Battery case, battery, energy storage device, and electric device

Abstract

An electric device. The electric device comprises an energy storage device, wherein the energy storage device comprises a battery, and the battery comprises a battery case. An accommodating cavity is formed in the battery case; the battery case comprises a uniform thickness area and a reinforced thickness area; the reinforced thickness area is connected to the uniform thickness area; the thickness of the reinforced thickness area is greater than that of the uniform thickness area; a chip fixing hole for fixing a chip is formed in the reinforced thickness area; the chip fixing hole is communicated with the accommodating cavity; and the chip is used for collecting a signal in the accommodating cavity.

Description

Battery shell, battery, energy storage device and electric device

[0001] Cross-reference to related applications

[0002] The present disclosure claims the priority of the Chinese patent application with the application date of May 31, 2024, the application number of 202410704294.X, and the patent application name of "Battery shell, battery, energy storage device and electric device", the entire content of which is incorporated herein by reference. TECHNICAL FIELD

[0003] The present disclosure relates to the technical field of batteries, in particular to a battery shell, a battery, an energy storage device and an electric device. BACKGROUND

[0004] Batteries are the key to the development of new energy vehicles. With the accelerated development of vehicle electrification transformation, safety anxiety of batteries has become a key factor restricting the large-scale popularization of electric vehicles.

[0005] In the related art, the battery management system usually only uses an external chip to monitor the voltage and temperature signals at the battery module level, but cannot monitor and evaluate the health status and safety status of each battery cell inside, and cannot meet the urgent needs of the rapid development of the new energy vehicle industry for high-safety batteries.

[0006] The internal space of the battery is limited, and placing a chip at a suitable position inside the battery to monitor the internal state requires improvement and design of the relevant structure of the battery. SUMMARY

[0007] The present disclosure aims to at least partially solve one of the above technical problems in the prior art. To this end, the present disclosure proposes a battery shell, which can design the position of the chip placement according to the needs, and can effectively monitor different positions inside the battery cell.

[0008] The present disclosure also proposes a battery having the above-mentioned battery shell.

[0009] The present disclosure also proposes an energy storage device having the above-mentioned battery.

[0010] The present disclosure also proposes an electric device having the above-mentioned energy storage device.

[0011] According to the battery shell of the present disclosure, the inside of the battery shell has a receiving cavity, the battery shell comprises a uniform thickness area and a thickened area, the thickened area is connected with the uniform thickness area, the thickness of the thickened area is greater than the thickness of the uniform thickness area, the thickened area is provided with a chip fixing hole for fixing a chip, the chip fixing hole is in communication with the receiving cavity, and the chip is used to collect signals in the receiving cavity.

[0012] According to the battery shell provided in the embodiments of the present disclosure, the thickened area of the battery shell can expand the mounting space of the chip, improve the stability and reliability of the chip fixation, and also improve the convenience of the chip mounting operation, without causing changes in the structures and positions of other components in the accommodation cavity. The chip fixation hole is arranged in the interior of the battery shell, and the chip is fixed in the chip fixation hole, so that the battery shell can protect the chip.

[0013] In some embodiments, the battery shell comprises a shell body, at least one end of the shell body being an open end, and the thickened area being arranged on the shell body; and a cover plate arranged at the open end.

[0014] In some embodiments, the cover plate comprises a positive cover plate arranged at one end of the shell body and a negative cover plate arranged at the other end of the shell body, and the positive cover plate is provided with a positive post hole and the negative cover plate is provided with a negative post hole.

[0015] In some embodiments, one end of the shell body is an open end, and the cover plate is provided with a positive post hole and a negative post hole separated from each other.

[0016] In some embodiments, the shell body comprises a first side plate and a second side plate arranged oppositely and a third side plate and a fourth side plate arranged oppositely, the width of each of the third side plate and the fourth side plate is greater than the width of each of the first side plate and the second side plate, and the thickened area is arranged on the first side plate and / or the second side plate.

[0017] In some embodiments, the thickness of the uniform thickened area ranges from 0.2 mm to 1 mm; the thickened area is a cuboid, and the length, width and thickness of the thickened area satisfy at least one of the following conditions: the length of the thickened area ranges from 0.1 m to 1 m; the width of the thickened area ranges from 13.5 mm to 25 mm; and the thickness of the thickened area ranges from 0.6 mm to 8 mm.

[0018] In some embodiments, the length, width and depth of the chip fixation hole satisfy at least one of the following conditions: the length of the chip fixation hole ranges from 0.1 cm to 2 cm; the width of the chip fixation hole ranges from 3 mm to 11 mm; and the depth of the chip fixation hole ranges from 0.1 mm to 6 mm.

[0019] In some embodiments, the thickened area is provided with a first channel and a second channel, the first channel and the second channel are both in communication with the chip fixation hole, and the first channel and the second channel are also both in communication with the accommodation cavity.

[0020] In some embodiments, the first channel communicates with one end of the chip fixing hole, and the second channel communicates with the other end of the chip fixing hole, and the first channel and the second channel both extend away from the chip fixing hole.

[0021] In some embodiments, the width of the first channel and the second channel is in the range of 0.5mm-5mm; and / or, the depth of the first channel and the second channel is in the range of 0.3mm-4mm.

[0022] A battery according to embodiments of the present disclosure includes a positive pole, a negative pole, a chip assembly, and a battery shell according to embodiments of the present disclosure; the battery shell is provided with a positive pole hole and a negative pole hole, the positive pole is arranged in the positive pole hole, and the negative pole is arranged in the negative pole hole; the chip assembly includes a chip, a positive pole piece, and a negative pole piece, the chip is embedded in the chip embedding hole and includes a circuit board and a detection structure, the circuit board has an integrated circuit thereon, the detection structure is electrically connected with the circuit board, and the chip is adapted to be electrically connected with the positive pole and the negative pole.

[0023] In some embodiments, the chip assembly further includes a positive pole piece and a negative pole piece, the positive pole piece is at least partially located in a first channel communicating with the chip fixing hole, one end of the positive pole piece is electrically connected with the circuit board, and the other end of the positive pole piece is adapted to be connected with the positive pole; the negative pole piece is at least partially located in a second channel communicating with the chip fixing hole, one end of the negative pole piece is electrically connected with the circuit board, and the other end of the negative pole piece is adapted to be connected with the negative pole.

[0024] According to embodiments of the present disclosure, the battery can supply power to the detection structure, and then the battery can supply power to the chip assembly. In one aspect, the chip can be embedded in the chip fixing hole, the chip is more firmly and stably fixed on the battery shell, and the two are connected to form an integral whole, the structure is stable, the integration of the chip and the battery shell is improved, and the structure is more compact; the battery and the chip assembly form an integrated self-powered battery chip assembly, without the need to set up an external power supply to supply power to the chip assembly, and the integration of the battery and the chip assembly is improved. At the same time, the thickened area of the battery shell can expand the installation space of the chip, improve the stability and reliability of the chip fixation, and also improve the convenience of chip installation operation, without causing changes in the structures and positions of other components in the accommodation cavity. The chip fixing hole is arranged inside the battery shell, and the chip is fixed in the chip fixing hole, so that the battery shell can protect the chip.

[0025] In some embodiments, the outer surfaces of the chip, the positive pole piece, and the negative pole piece are all coated with an insulating layer.

[0026] In some embodiments, the battery further comprises a pole core arranged in the accommodating cavity, the pole core having a positive pole lug and a negative pole lug, the positive pole member, the positive pole lug and the positive pole post being connected, and the negative pole member, the negative pole lug and the negative pole post being connected.

[0027] In some embodiments, the detection structure comprises a detection strip, one end of the detection strip being connected with the circuit board, and the other end of the detection strip being adapted to be inserted into the pole core.

[0028] The energy storage device according to the embodiments of the present disclosure comprises a plurality of batteries according to the embodiments of the present disclosure.

[0029] The energy storage device according to the embodiments of the present disclosure, by arranging the above-mentioned battery, the battery can supply power to the detection structure, and further the battery can supply power to the chip assembly. On the one hand, the chip can be embedded in the chip embedding hole, and the chip is more firmly and stably fixed on the battery shell, improving the integration of the chip and the battery shell, and the structure is more compact; the battery and the chip assembly form an integrated self-powered battery chip assembly, without the need to arrange an external power supply to supply power to the chip assembly, improving the integration of the battery and the chip assembly. At the same time, the thickened area of the battery shell can expand the installation space of the chip, improve the stability and reliability of the chip fixation, and also improve the convenience of the chip installation operation, without causing changes in the structure and position of other components in the accommodating cavity. The chip fixing hole is arranged in the interior of the battery shell, and the chip is fixed in the chip fixing hole, so that the battery shell can protect the chip.

[0030] The electric device according to the embodiments of the present disclosure comprises the energy storage device according to the embodiments of the present disclosure.

[0031] The electric device according to the embodiments of the present disclosure, by arranging the above-mentioned energy storage device, the battery can supply power to the detection structure, and further the battery can supply power to the chip assembly. On the one hand, the chip can be embedded in the chip embedding hole, and the chip is more firmly and stably fixed on the battery shell, improving the integration of the chip and the battery shell, and the structure is more compact; the battery and the chip assembly form an integrated self-powered battery chip assembly, without the need to arrange an external power supply to supply power to the chip assembly, improving the integration of the battery and the chip assembly. At the same time, the thickened area of the battery shell can expand the installation space of the chip, improve the stability and reliability of the chip fixation, and also improve the convenience of the chip installation operation, without causing changes in the structure and position of other components in the accommodating cavity. The chip fixing hole is arranged in the interior of the battery shell, and the chip is fixed in the chip fixing hole, so that the battery shell can protect the chip.

[0032] Additional aspects and advantages of the present disclosure will be made apparent from the following description. BRIEF DESCRIPTION OF DRAWINGS

[0033] Fig. 1 is a sectional view of a battery according to an embodiment of the present disclosure;

[0034] Fig. 2 is a three-dimensional perspective view of a housing body according to an embodiment of the present disclosure;

[0035] Fig. 3 is a front view of the housing body when unfolded according to an embodiment of the present disclosure;

[0036] Fig. 4 is a side view of the housing body when unfolded according to an embodiment of the present disclosure;

[0037] Fig. 5 is a top view of the housing body when unfolded according to an embodiment of the present disclosure;

[0038] Fig. 6 is a three-dimensional perspective view of the housing body when not fully unfolded according to an embodiment of the present disclosure;

[0039] Fig. 7 is another three-dimensional perspective view of the housing body when not fully unfolded according to an embodiment of the present disclosure;

[0040] Fig. 8 is a three-dimensional perspective view of the housing body according to an embodiment of the present disclosure;

[0041] Fig. 9 is a partial sectional view of a battery at one perspective according to an embodiment of the present disclosure;

[0042] Fig. 10 is a partial sectional view of a battery at another perspective according to an embodiment of the present disclosure;

[0043] Fig. 11 is a partial sectional view of a battery at yet another perspective according to an embodiment of the present disclosure;

[0044] Fig. 12 is a schematic view of an energy storage device according to an embodiment of the present disclosure;

[0045] Fig. 13 is a schematic view of an electrical device according to an embodiment of the present disclosure.

[0046] Reference signs: electrical device 3000, energy storage device 2000; battery 1000; battery housing 100, housing body 1, open end 10, accommodating cavity 11, uniform thickness region 12, thickened region 13, chip fixing hole 130, first channel 131, second channel 132, first side plate 141, second side plate 142, weld 1421, third side plate 143, fourth side plate 144, cover plate 2, positive electrode cover plate 21, positive electrode post hole 211, liquid injection hole 212, negative electrode cover plate 22, explosion-proof valve hole 221, negative electrode post hole 222; positive electrode post 200; negative electrode post 300; chip assembly 400, positive electrode piece 401, negative electrode piece 402, chip 403; detection tape 500; electrode core 600; positive electrode lead-out piece 701, negative electrode lead-out piece 702. DETAILED DESCRIPTION

[0047] Embodiments of the present disclosure are described below in detail with examples shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present disclosure, and cannot be understood as a limitation of the present disclosure.

[0048] In the description of the present disclosure, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present disclosure, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise explicitly specified.

[0049] The battery shell 100, the battery 1000, the energy storage device 2000 and the power utilization device 3000 according to the embodiments of the present disclosure are described in detail below in combination with FIGS. 1-13.

[0050] Referring to FIG. 1, the battery shell 100 according to the embodiments of the present disclosure has an accommodation cavity 11 inside the battery shell 100, which can accommodate the pole core 600. The battery shell 100 includes a uniform thickness area 12 and a thickened area 13 connected to the uniform thickness area 12, the thickness of the thickened area 13 is greater than that of the uniform thickness area 12, and the thickened area 13 is provided with a chip fixing hole 130, the chip 403 can be fixed in the chip fixing hole 130, the chip fixing hole 130 is in communication with the accommodation cavity 11, and the chip 403 is used to collect signals in the accommodation cavity 11.

[0051] Unlike the related art, the installation position of the chip 403 in the present disclosure depends on the position of the chip fixing hole 130 opened on the battery shell 100, and the chip 403 is arranged on the battery shell 100 rather than being limited to the cover plate 2. According to the monitoring requirements, the thickened area 13 can be arranged at different positions inside the battery shell 100, the chip fixing hole 130 is arranged at the thickened area 13, and the chip 403 can be fixed in the chip fixing hole 130, so that the chip 403 can be fixed at different positions inside the battery shell 100, thereby expanding the monitoring range of the chip 403, and not being limited to the vicinity of the cover plate 2, without causing changes in the structure and position of other components in the accommodation cavity 11. At the same time, the chip 403 can monitor the state changes of the pole core 600 in real time through the communication of the chip fixing hole 130 and the accommodation cavity 11, thereby improving the accuracy of the early warning.

[0052] When the chip 403 is fixed in the chip fixing hole 130, the chip 403 can be stably fixed in the battery shell 100, and the chip 403 will not move and dislocate, and the chip 403 will not be squeezed and deformed with the pole core 600.

[0053] According to the battery shell 100 of the embodiment of the present disclosure, the thickened area 13 of the battery shell 100 can expand the mounting space of the chip 403, improve the stability and reliability of the fixation of the chip 403, and also improve the convenience of the chip 403 mounting operation, without causing changes in the structures and positions of other components in the accommodation cavity 11. The chip fixing hole 130 is arranged inside the battery shell 100, and the chip 403 is fixed in the chip fixing hole 130. According to the design of the thickened area 13 and the chip fixing hole 130, when the chip 403 is arranged at different positions in the battery shell 100, the chip 403 can effectively monitor the changes in the temperature, pressure, gas, stress and other states of different positions inside the battery shell 100, real-time monitor the state changes of the pole core 600, improve the accuracy of early warning, prolong the reaction and processing time for danger, and further improve the safety of the battery 1000.

[0054] As shown in FIG. 1, in some embodiments, the battery shell 100 includes a shell body 1 and a cover plate 2. Please refer to FIGS. 2-4, at least one end of the shell body 1 is an open end 10, and the thickened area 13 is arranged on the shell body 1. Referring to FIG. 1, the cover plate 2 is arranged at the open end 10. In combination with the above embodiment, the thickened area 13 is arranged on the shell body 1, and the chip 403 can be fixed on the thickened area 13 of the shell body 1, which expands the monitoring range of the chip 403, instead of being limited to the vicinity of the cover plate 2. The chip 403 can effectively monitor the changes in the temperature, pressure, gas, stress and other states of different positions inside the battery shell 100, real-time monitor the state changes of the pole core 600, and improve the accuracy of early warning. Of course, the chip 403 can also be arranged on the cover plate 2 to real-time monitor the pole core 600 near the cover plate 2.

[0055] For example, the shell body 1 can be an aluminum shell, a steel shell, etc.

[0056] In some embodiments, the cover plate 2 is provided with a pole column hole for the pole column to pass through.

[0057] As shown in FIG. 1, in some embodiments, the cover plate 2 includes a positive cover plate 21 and a negative cover plate 22, the positive cover plate 21 is arranged at one end of the shell body 1, and the negative cover plate 22 is arranged at the other end of the shell body 1, and the pole hole includes a positive pole hole 211 arranged on the positive cover plate 21 and a negative pole hole 222 arranged on the negative cover plate 22. The battery shell 100 includes the shell body 1, the positive cover plate 21 and the negative cover plate 22, the positive cover plate 21 and the negative cover plate 22 are arranged at two ends of the shell body 1 respectively, the positive cover plate 21 is provided with the positive pole hole 211, and the positive pole 200 is arranged in the positive pole hole 211; the negative cover plate 22 is provided with the negative pole hole 222, and the negative pole 300 is arranged in the negative pole hole 222. In combination with the above-mentioned embodiments, the chip 403 is located in the shell body 1, the chip 403 does not occupy the space of the positive cover plate 21 and the negative cover plate 22, and the chip 403 is arranged staggered with the positive pole 200 and the negative pole 300, thereby reducing the interference between the chip 403 and the poles, and being conducive to the structure of the battery shell 100 being more compact.

[0058] In some embodiments not shown in the figure, one end of the shell body 1 is an open end 10, and the pole hole includes a positive pole hole 211 and a negative pole hole 222 separated from each other. The battery shell 100 includes the shell body 1 and a total cover plate, one end of the shell body 1 is an open end 10, the total cover plate is connected to the open end 10 of the shell body 1, the total cover plate is provided with the positive pole hole 211 and the negative pole hole 222, the positive pole hole 211 and the negative pole hole 222 are arranged on the total cover plate, the positive pole 200 is arranged in the positive pole hole 211, and the negative pole 300 is arranged in the negative pole hole 222. In combination with the above-mentioned embodiments, the chip 403 is located in the shell body 1, the chip 403 does not occupy the space of the total cover plate, and the chip 403 is arranged staggered with the positive pole 200 and the negative pole 300, thereby reducing the interference between the electrical elements, and being conducive to the structure of the battery shell 100 being more compact.

[0059] As shown in FIG. 1, for example, the cover plate 2 is provided with an explosion-proof valve hole 221 and a liquid injection hole 212, the explosion-proof valve hole 221 is arranged on one side of the cover plate 2 close to the negative pole hole 222, and the liquid injection hole 212 is arranged on one side of the cover plate 2 close to the positive pole hole 211. For example, the cover plate 2 includes a positive cover plate 21 and a negative cover plate 22, the positive cover plate 21 is provided with the positive pole hole 211 and the liquid injection hole 212, and the negative cover plate 22 is provided with the negative pole hole 222 and the explosion-proof valve hole 221; for another example, the cover plate 2 includes a total cover plate, the total cover plate is provided with the positive pole hole 211, the negative pole hole 222, the explosion-proof valve hole 221 and the liquid injection hole 212, wherein the explosion-proof valve hole 221 is arranged close to the negative pole hole 222 of the total cover plate, and the liquid injection hole 212 is arranged close to the positive pole hole 211 of the total cover plate.

[0060] As shown in FIGS. 5-7, in some embodiments, the shell body 1 comprises a first side plate 141, a second side plate 142, a third side plate 143 and a fourth side plate 144, wherein the first side plate 141 and the second side plate 142 are oppositely arranged, and the third side plate 143 and the fourth side plate 144 are oppositely arranged. The width of each of the third side plate 143 and the fourth side plate 144 is greater than the width of each of the first side plate 141 and the second side plate 142. It can be understood that the width of the side plate referred to herein refers to the size of the side plate in the left-right direction in FIG. 5, and the thickened area 13 is located on the first side plate 141 and / or the thickened area 13 is located on the second side plate 142. The first side plate 141 and the second side plate 142 are the narrow faces of the shell body 1 in FIG. 2, and the third side plate 143 and the fourth side plate 144 are the large faces of the shell body 1 in FIG. 2. The thickened area 13 can be arranged on the narrow face of the battery shell 100, the battery shell 100 is more symmetrical in structure, which is conducive to reducing the difficulty of production and processing technology of the battery shell 100, and is conducive to reducing the influence of the thickened area 13 on the volume of the accommodating cavity 11.

[0061] As shown in Figures 2-5, in some specific embodiments, the thickness range of the uniform thickness region 12 can be 0.2mm-1mm. For example, the thickness of the uniform thickness region 12 can be 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.7mm, 1mm, etc. Of course, the thickness of the uniform thickness region 12 can also be other values ​​between 0.2mm and 1mm, which will not be listed here. The thickening region 13 is a cuboid, and the length range of the thickening region 13 is 0.1m-1m. For example, the length of the thickening region 13 can be 0.1m, 0.2m, 0.3m, 0.4m, 0.5m, 0.7m, 1m, etc. Of course, the length of the thickening region 13 can also be other values ​​between 0.1m and 1m, which will not be listed here. The width of the thickened area 13 ranges from 13.5mm to 25mm. For example, the width of the thickened area 13 can be 13.5mm, 14mm, 15mm, 15.6mm, 17.4mm, 18.2mm, 19.1mm, 20.3mm, 21.4mm, 22mm, 23mm, 24mm, 25mm, etc. Of course, the width of the thickened area 13 can also be other values ​​between 13.5mm and 25mm, which will not be listed here. The thickness of the thickened area 13 ranges from 0.6mm to 8mm. For example, the thickness of the thickened area 13 can be 0.6mm, 1.2mm, 3.4mm, 5.8mm, 7.1mm, 8mm, etc. Of course, the thickness of the thickened area 13 can also be other values ​​between 0.6mm and 8mm, which will not be listed here. It is understood that, in this disclosure, width refers to the dimension in the left-right direction of Figure 5, length refers to the dimension in the up-down direction of Figure 5, and thickness and depth refer to the dimensions in directions perpendicular to both the left-right and up-down directions. The length, width, and thickness of the thickened region 13 satisfy at least one of the above ranges.

[0062] For example, when the thickened area 13 is provided on the first side plate 141, the width of the thickened area 13 may be equal to or less than the width of the first side plate 141, and / or, when the thickened area 13 is provided on the second side plate 142, the width of the thickened area 13 may be equal to or less than the width of the second side plate 142.

[0063] As shown in FIGS. 3-6, in some specific embodiments, the length of the chip fixing hole 130 ranges from 0.1 cm to 2 cm, and the length of the chip fixing hole 130 can be 0.1 cm, 0.2 cm, 0.3 cm, 0.4 cm, 0.7 cm, 0.9 cm, 1 cm, 1.2 cm, 1.8 cm, 2 cm, etc. The length of the chip fixing hole 130 herein can be other values between 0.1 cm and 2 cm, which are not listed one by one here. The width of the chip fixing hole 130 ranges from 3 mm to 11 mm, and the width of the chip fixing hole 130 can be 3 mm, 4 mm, 5.2 mm, 6.7 mm, 7.2 mm, 8.1 mm, 9.5 mm, 10.1 mm, 11 mm, etc. The width of the chip fixing hole 130 herein can be other values between 3 mm and 11 mm, which are not listed one by one here. The depth of the chip fixing hole 130 ranges from 0.1 mm to 6 mm, and the depth of the chip fixing hole 130 can be 0.1 mm, 0.4 mm, 0.8 mm, 1 mm, 2.6 mm, 3.2 mm, 4.1 mm, 4.6 mm, 5.1 mm, 5.5 mm, 6 mm, etc. The depth of the chip fixing hole 130 herein can be other values between 0.1 mm and 6 mm, which are not listed one by one here. The length, width, and depth of the chip fixing hole 130 satisfy at least one of the above ranges.

[0064] As shown in FIGS. 3-6, in some embodiments, the thickened area 13 is provided with a first channel 131 and a second channel 132, both of which communicate with the chip fixing hole 130, and both of which also communicate with the accommodation cavity 11. The first channel 131 and the second channel 132 can lead out and fix the electrical connecting pieces of the chip 403 in the chip fixing hole 130, which is conducive to avoiding extrusion deformation of the chip 403 and its electrical connecting pieces and the pole core 600. The first channel 131 and the second channel 132 communicate with the accommodation cavity 11, which is conducive to reducing the machining process and the complexity of production of the first channel 131 and the second channel 132, improving product quality, and also conducive to reducing the difficulty of assembling and disassembling the electrical connecting pieces of the chip 403.

[0065] As shown in FIGS. 1, 3 and 6, in some embodiments, the first channel 131 communicates with one end of the chip fixing hole 130, and the second channel 132 communicates with the other end of the chip fixing hole 130, and both the first channel 131 and the second channel 132 extend away from the chip fixing hole 130. In combination with the above-mentioned embodiments, the cover plate 2 includes a positive cover plate 21 and a negative cover plate 22, the positive cover plate 21 is arranged at one end of the shell body 1, and the negative cover plate 22 is arranged at the other end of the shell body 1; the first channel 131 communicates with one end of the chip fixing hole 130 and extends to one of the positive cover plate 21 or the negative cover plate 22, and the second channel 132 communicates with the other end of the chip fixing hole 130 and extends to the other of the positive cover plate 21 or the negative cover plate 22, which is conducive to making the inside of the battery shell 100 more compact. Moreover, the electrical connector mounted in the first channel 131 is far away from the electrical connector mounted in the second channel 132, and they are not easy to interfere with each other.

[0066] As shown in FIGS. 3-6, in some embodiments, the width of the first channel 131 and the second channel 132 ranges from 0.5mm to 5mm, the width of the first channel 131 can be 0.5mm, 0.6mm, 0.8mm, 1mm, 1.6mm, 2.1mm, 3.4mm, 4.2mm, 5.4mm, 5mm, etc., and the width of the first channel 131 can also be other values in the range of 0.5mm to 5mm, which will not be listed one by one here, the width of the second channel 132 can be 0.51mm, 0.62mm, 0.83mm, 1.2mm, 1.6mm, 2.3mm, 3.1mm, 4.2mm, 5.2mm, 5mm, etc., and the width of the second channel 132 can also be other values in the range of 0.5mm to 5mm, which will not be listed one by one here; and / or, the depth of the first channel 131 and the second channel 132 ranges from 0.3mm to 4mm, the depth of the first channel 131 can be 0.3mm, 0.4mm, 0.6mm, 0.8mm, 1mm, 1.6mm, 2.1mm, 3.4mm, 4mm, etc., and the depth of the first channel 131 can also be other values in the range of 0.3mm to 4mm, which will not be listed one by one here, the depth of the second channel 132 can be 0.3mm, 0.4mm, 0.6mm, 0.8mm, 1mm, 1.6mm, 2.1mm, 3.4mm, 4mm, etc., and the depth of the second channel 132 can also be other values in the range of 0.3mm to 4mm, which will not be listed one by one here.

[0067] Preferably, the first channel 131 and the second channel 132 have the same width, and the first channel 131 and the second channel 132 have the same depth. Alternatively, the first channel 131 and the second channel 132 have the same width, or the first channel 131 and the second channel 132 have the same depth. Alternatively, the first channel 131 and the second channel 132 have different widths, and / or the first channel 131 and the second channel 132 have different depths.

[0068] It needs to be further explained that the disclosure explicitly explains how the battery shell 100 with the built-in chip 403 should be designed. The placement position of the chip 403 in the battery shell 100 is specified, and the size and shape of the chip fixing hole 130 are explained.

[0069] As shown in FIG. 1, the battery 1000 according to the embodiment of the disclosure includes a positive pole 200, a negative pole 300, a chip assembly 400, and a battery shell 100 according to the embodiment of the disclosure. The battery shell 100 is provided with a positive pole hole 211 and a negative pole hole 222, the positive pole 200 is arranged in the positive pole hole 211, and the negative pole 300 is arranged in the negative pole hole 222; the chip assembly 400 includes a chip 403, the chip 403 is embedded in the chip fixing hole 130, the chip 403 includes a circuit board and a detection structure, the circuit board has an integrated circuit, the detection structure is electrically connected with the circuit board, and the chip 403 is adapted to be electrically connected with the positive pole 200 and the negative pole 300.

[0070] In some embodiments, the chip assembly 400 further includes a positive piece 401 and a negative piece 402, the positive piece 401 and the negative piece 402 are electrical connectors of the chip 403, the positive piece 401 is at least partially located in the first channel 131 communicating with the chip fixing hole 130, one end of the positive piece 401 is electrically connected with the circuit board, and the other end of the positive piece 401 is adapted to be connected with the positive pole 200, the negative piece 402 is at least partially located in the second channel 132 communicating with the chip fixing hole 130, one end of the negative piece 402 is electrically connected with the circuit board, and the other end of the negative piece 402 is adapted to be connected with the negative pole 300.

[0071] The battery shell 100 includes a cover plate 2 and a shell body 1, the cover plate 2 can be a total cover plate, the total cover plate is provided with a positive pole hole 211 and a negative pole hole 222, the positive pole 200 can protrude from the positive pole hole 211, the negative pole 300 can protrude from the negative pole hole 222, and the shell body 1 is further provided with a chip fixing hole 130, the chip fixing hole 130 can fix the chip 403.

[0072] As shown in FIG. 1, in some technical solutions, the cover plate 2 can be a positive cover plate 21 and a negative cover plate 22; the positive cover plate 21 includes a positive post hole 211, and the positive post 200 can extend out of the positive post hole 211; the negative cover plate 22 is provided with a negative post hole 222, and the negative post 300 can extend out of the negative post hole 222; the shell body 1 is provided with a chip fixing hole 130.

[0073] As shown in FIGS. 1, 9-11, the chip assembly 400 includes a chip 403, a positive piece 401 and a negative piece 402; the chip 403 is embedded in the chip fixing hole 130, and the chip 403 includes a circuit board and a detection structure; the circuit board has an integrated circuit thereon, and the detection structure is electrically connected with the circuit board. Referring to FIG. 1, one end of the positive piece 401 is electrically connected with the circuit board, and the other end of the positive piece 401 is adapted to be connected with the positive post 200; one end of the negative piece 402 is electrically connected with the circuit board, and the other end of the negative piece 402 is adapted to be connected with the negative post 300; and the positive post 200 and the negative post 300 are both electrically connected with the pole core 600 of the battery 1000. Thus, the detection structure is electrically connected with the circuit board, and the circuit board is electrically connected with the pole core 600 of the battery 1000 through the positive piece 401 and the negative piece 402. That is to say, the pole core 600 of the battery 1000 can supply power to the detection structure, and further, the pole core 600 of the battery 1000 can supply power to the chip assembly 400. On the one hand, the chip 403 can be embedded in the chip fixing hole 130, and the chip 403 is more firmly and stably fixed on the battery shell 100, improving the integration of the chip 403 and the battery shell 100, and the structure is more compact; the pole core 600 of the battery 1000 and the chip assembly 400 form an integrated self-powered battery chip assembly, and there is no need to set an external power supply to supply power to the chip assembly 400, improving the integration of the pole core 600 of the battery 1000 and the chip assembly 400.

[0074] It needs to be further explained that the detection structure can be a temperature sensor and its associated connecting piece to detect the temperature of the battery 1000; the detection structure can be a stress detection device to detect the stress condition inside the battery 1000; and the detection structure can also be a gas pressure detection device to detect the gas pressure inside the battery 1000. That is to say, according to different monitoring contents and requirements, the detection structure inside the chip 403 can be replaced according to different test requirements. Thus, the detection structure includes but is not limited to a temperature sensor, a stress detection device and a gas pressure detection device, etc.

[0075] According to the battery 1000 of the embodiment of the present disclosure, the pole core 600 of the battery 1000 can supply power to the detection structure, and then the pole core 600 of the battery 1000 can supply power to the chip assembly 400. In one aspect, the chip 403 can be embedded in the chip fixing hole 130, and the chip 403 is more firmly and stably fixed on the battery shell 100, and the two are connected to form a whole, the structure is stable, the integration of the chip 403 and the battery shell 100 is improved, and the structure is more compact; the pole core 600 of the battery 1000 and the chip assembly 400 form an integrated self-powered battery chip assembly, and there is no need to set an external power supply to supply power to the chip assembly 400, thereby improving the integration of the pole core 600 of the battery 1000 and the chip assembly 400. At the same time, the thickening area 13 of the battery shell 100 can expand the mounting space of the chip 403, improve the stability and reliability of the fixation of the chip 403, and also improve the convenience of the chip 403 installation operation, and will not cause changes in the structures and positions of other components in the accommodation cavity 11. The chip fixing hole 130 is arranged inside the battery shell 100, the chip 403 is fixed in the chip fixing hole 130, and the thickening area 13 and the chip fixing hole 130 are designed according to the monitoring requirements. When the chip 403 is arranged at different positions in the battery shell 100, the chip 403 can effectively monitor the changes in the temperature, pressure, gas and stress and other states of different positions inside the battery shell 100, monitor the state changes of the pole core 600 in real time, improve the accuracy of early warning, prolong the reaction and processing time for danger, and then improve the safety of the battery 1000.

[0076] In some embodiments, the outer surfaces of the chip 403, the positive electrode 401 and the negative electrode 402 are all coated with an insulating layer. In combination with the above-mentioned embodiments, the chip fixing hole 130, the first channel 131 and the second channel 132 all communicate with the accommodation cavity 11, the chip 403, the positive electrode 401 and the negative electrode 402 are respectively fixed on the shell body 1 and can contact the electrolyte, and the outer surfaces of the chip 403, the positive electrode 401 and the negative electrode 402 are coated with an insulating layer, which is beneficial to avoiding corrosion of the chip 403, the positive electrode 401 and the negative electrode 402, and is also beneficial to avoiding short circuit of the chip assembly 400.

[0077] As shown in FIG. 1, in some embodiments, the battery 1000 further comprises a pole core 600, the pole core 600 is arranged in the accommodating cavity 11, the pole core 600 has a positive pole lug and a negative pole lug, the positive pole piece 401 and the positive pole lug are connected with the positive pole post 200, and the negative pole piece 402 and the negative pole lug are connected with the negative pole post 300. The chip assembly 400 is connected with the positive pole post 200 of the battery 1000 through the positive pole piece 401, the chip assembly 400 is connected with the negative pole post 300 of the battery 1000 through the negative pole piece 402, a closed loop is formed between the chip assembly 400 and the pole core 600 of the battery 1000, the pole core 600 of the battery 1000 can supply power for the chip assembly 400, and an integrated self-powered battery chip assembly is formed, and the integration degree of the battery 1000 and the chip assembly 400 is improved. In addition, the positive pole piece 401, the positive pole lug and the positive pole post 200 are connected, and the negative pole piece 402, the negative pole lug and the negative pole post 300 are connected, which can make the internal structure of the battery 1000 more compact and improve the internal space utilization rate of the battery 1000; on the other hand, the pole core 600 can be monitored, and the accuracy of monitoring and the safety of the battery 1000 are improved.

[0078] As shown in FIG. 1, in some embodiments, the detection structure comprises a detection belt 500, one end of the detection belt 500 is connected with the circuit board, and the other end of the detection belt 500 is adapted to be inserted into the pole core 600. A detection belt 500 can be extended at the middle position of the chip 403, and the detection belt 500 can be extended into the inside of the pole core 600 of the battery 1000, so as to facilitate more accurate monitoring of the battery 1000.

[0079] As shown in FIG. 1, for example, the detection belt 500 extended by the chip 403 senses the changes of temperature and stress and other states at different positions in the pole core 600, and the shape of the detection belt 500 can be prepared into special shapes such as cross shape, X shape and rice shape. As shown in FIG. 1, the detection belt 500 is prepared into a cross shape, and the detection belt 500 can be monitored at multiple sites such as measuring temperature or stress at different positions, wherein the detection belt 500 placed horizontally can be implanted when the pole core 600 is laminated.

[0080] It needs to be further explained that according to the monitoring requirements, the number, length, width and the like of the detection belt 500 can be correspondingly modified and adjusted.

[0081] As shown in FIG. 1, in some embodiments, the other end of the positive pole piece 401 away from the chip 403 is connected with a positive pole lead-out piece 701, the positive pole lead-out piece 701 is connected between the positive pole post 300 and the positive pole lug, and / or the other end of the negative pole piece 402 away from the chip 403 is connected with a negative pole lead-out piece 702, the negative pole lead-out piece 702 is connected between the negative pole post 200 and the negative pole lug.

[0082] A specific embodiment will be described below with reference to Figs. 1-11.

[0083] As shown in Fig. 1, the battery shell 100 comprises a shell body 1 and a cover plate 2. Fig. 2 shows a three-dimensional structure of the shell body 1. From the appearance, the overall surface of the battery shell 100 is smooth, without obvious scratches. Figs. 3-5 are three views of the shell body 1 unfolded. As can be seen, the shell body 1 comprises a uniform thickness area 12 and a thickened area 13 after unfolding. The thickened area 13 can reserve a corresponding position for subsequent embedding of the chip 403. The thickness of the battery shell 100 in the uniform thickness area 12 ranges from 0.2mm to 1mm; while the thickened area 13 is a cuboid, with a length ranging from 0.1m to 1m, a width ranging from 13.5mm to 25mm, and a thickness ranging from 0.6mm to 8mm. In addition, a chip fixing hole 130 is designed in the middle position of the thickened area 13. The size of the chip fixing hole 130 is just suitable for embedding the chip 403. The shape of the chip fixing hole 130 is a cuboid or a cube, with a length ranging from 0.1cm to 2cm, a width ranging from 3cm to 11mm, and a depth ranging from 0.1mm to 6mm. In addition, the position of the chip fixing hole 130 is not limited to the middle position of the thickened area 13. According to the monitoring requirements, the chip fixing hole 130 can be opened at other positions of the thickened area 13 and the chip 403 can be placed therein, so as to realize the purpose of monitoring the signals such as temperature, air pressure or stress at different positions. Moreover, two channels are designed on both sides of the chip fixing hole 130, which are a first channel 131 and a second channel 132 respectively. The purpose of reserving the channels is to reserve space positions for the electrical connections of the chip 403. The shape of the channels is a cuboid slot or a cube slot, with a length that can be adjusted according to the position of the chip fixing hole 130, a width ranging from 0.5mm to 5mm, and a depth ranging from 0.3mm to 4mm.

[0084] Referring to FIGS. 2-4, the thickened area 13 of the shell body 1 is processed; referring to FIG. 5, the edges of the shell body 1 are first partially bent; referring to FIG. 6, the edges of the shell body 1 are partially bent; referring to FIG. 7, the edges of the thickened area 13 are bent; finally, the shell body 1 is welded by laser, i.e., the welding is achieved by using the heat generated by the laser beam striking the welding part to melt the aluminum at the weld 1421. After welding, the welds are scraped to make the weld 1421 flat, which will not affect the subsequent battery cells. The tensile strength of the weld 1421 is greater than 110 Mpa; the pressure resistance of the weld 1421 is greater than 1.2 Mpa; the helium detection of the weld 1421 after 2000 times of fatigue test under 0.2 Mpa pressure still meets the requirements; the pressure resistance of the weld 1421 when vibrating is greater than 1.2 Mpa, and the pressure resistance of the weld 1421 when impacted is greater than 1.2 Mpa. In addition, in addition to the above-mentioned laser butt welding, high-frequency welding can also be used, i.e., the surface layer metal at the welding position is quickly heated by using the skin effect and proximity effect of high-frequency current to achieve welding.

[0085] FIGS. 1, 8-11 show the three-dimensional structure of the battery shell 100 and its internal cross-sectional view. As shown in FIGS. 1, 9 and 10, the chip 403 is arranged in the chip fixing hole 130 of the battery shell 100, the chip assembly 400 includes the chip 403, the positive electrode 401 and the negative electrode 402, the positive electrode 401 and the negative electrode 402 are electrical connectors of the chip assembly 400, the positive electrode 401 is drawn out from the first channel 131 on one side of the chip fixing hole 130, and the negative electrode 402 is drawn out from the second channel 132 on the other side of the chip fixing hole 130. This design can stably fix the chip 403 in the aluminum shell, and the chip 403 will not move and dislocate, and the chip 403 and the electrical connectors will not be squeezed and deformed with the pole core 600. In addition, the chip 403 mainly includes a circuit board and a detection structure, and the corresponding circuit board and detection device can be replaced according to the test requirements, so as to realize the purpose of monitoring the internal temperature, pressure and stress of the battery 1000.

[0086] As shown in FIG. 1, the electrical connectors pulled out from both sides of the chip 403 are led to the vicinity of the pole lead-out sheet, the positive electrode member 401 is welded to the positive electrode lead-out sheet 701 using a spot welding process, and the negative electrode member 402 is welded to the negative electrode lead-out sheet 702 using a spot welding process. The positive electrode lead-out member 701 is connected to the positive electrode tab, and the negative electrode lead-out member 702 is connected to the negative electrode tab. In this way, the chip 403 can be powered by the battery 1000 itself. The current required by the chip 403 is between 1-20 μA, and the current is relatively small. The influence of the chip 403 on the battery 1000 can be ignored. In addition to the above-mentioned spot welding process, other processes such as ultrasonic welding and brazing can also be used to weld the electrical connectors and the lead-out sheet together.

[0087] Furthermore, in order to prevent the electrolyte in the battery 1000 from corroding the chip 403 and the electrical connection line, an insulating film is coated on the surface of the chip 403, the positive electrode member 401 and the negative electrode member 402. The insulating film is mainly composed of polyimide, polypropylene and polyethylene and other materials. The insulating film is a thin film with a thickness of 30-300 μm.

[0088] As shown in FIG. 1, the chip 403 can pull out corresponding detection belts 500 to sense the changes in temperature and stress at different positions inside the pole core 600. The detection belts 500 can be prepared in special shapes such as cross shape, X shape and rice shape. The length of the detection belts 500 can be adjusted according to the testing requirements. The width of the detection belts 500 is between 0.1 cm and 1 cm, and the thickness of the detection belts 500 is between 20 μm and 600 μm. The connection between the detection belts 500 and the chip 403 needs to be coated with an insulating film. The insulating film is mainly composed of polyimide, polypropylene and polyethylene and other materials, and the thickness of the insulating film is between 30 μm and 300 μm. The temperature and stress sensing positions inside the detection belts 500 can be set in circular, rectangular, square, elliptical and other shapes.

[0089] It should be further noted that the battery 1000 can be a blade-shaped battery 1000, for example, the length of the blade-shaped battery 1000 can be 400-700 mm; for another example, the length of the blade-shaped battery 1000 can be greater than 700 mm. The battery 1000 can also be a cylindrical battery 1000, or a square battery 1000, or a soft package battery 1000. The battery shell 100 structure is applicable to these batteries 1000, but the position of the chip fixing hole 130, the first channel 131 and the second channel 132 need to be adjusted and modified accordingly according to the different configurations of the battery 1000.

[0090] As shown in FIG. 12, the energy storage device 2000 according to the embodiment of the present disclosure includes a plurality of batteries 1000 according to the embodiment of the present disclosure.

[0091] According to the energy storage device 2000 provided by the embodiment of the present disclosure, by arranging the battery 1000, the battery 1000 can supply power for the detection structure, and then the battery 1000 can supply power for the chip assembly 400. In one aspect, the chip 403 can be embedded in the chip fixing hole 130, the chip 403 is more firmly and stably fixed on the battery shell 100, the integration of the chip 403 and the battery shell 100 is improved, and the structure is more compact; the battery 1000 and the chip assembly 400 form an integrated self-powered battery chip assembly, and there is no need to arrange an external power supply to supply power for the chip assembly 400, and the integration of the battery 1000 and the chip assembly 400 is improved. At the same time, the thickened area 13 of the battery shell 100 can expand the mounting space of the chip 403, improve the stability and reliability of the chip 403 fixation, and also improve the convenience degree of the chip 403 installation operation, and will not cause changes of other component structures and positions in the accommodating cavity 11. The chip fixing hole 130 is arranged in the inside of the battery shell 100, the chip 403 is fixed in the chip fixing hole 130, according to the monitoring requirement, the thickened area 13 and the chip fixing hole 130 are designed, when the chip 403 is arranged at different positions in the battery shell 100, the chip 403 can effectively monitor the changes of the temperature, pressure, gas and stress and other states of different positions in the inside of the battery shell 100, real-time monitor the state changes of the pole core 600, improve the accuracy of early warning, prolong the dangerous reaction and processing time, and then improve the safety of the battery 1000.

[0092] As shown in FIG. 13, the power utilization device 3000 according to the embodiment of the present disclosure comprises the energy storage device 2000 according to the embodiment of the present disclosure.

[0093] According to the power utilization device 3000 of the embodiment of the present disclosure, by arranging the above-mentioned energy storage device 2000, the battery 1000 can supply power for the detection structure, and then the battery 1000 can supply power for the chip assembly 400. On the one hand, the chip 403 can be embedded in the chip fixing hole 130, the chip 403 is more firmly and stably fixed on the battery shell 100, the integration of the chip 403 and the battery shell 100 is improved, and the structure is more compact; the battery 1000 and the chip assembly 400 form an integrated self-powered battery chip assembly, and there is no need to arrange an external power supply to supply power for the chip assembly 400, thereby improving the integration of the battery 1000 and the chip assembly 400. At the same time, the thickened area 13 of the battery shell 100 can expand the mounting space of the chip 403, improve the stability and reliability of the fixation of the chip 403, and also improve the convenience of the chip 403 installation operation, and will not cause changes in the structures and positions of other components in the accommodating cavity 11. The chip fixing hole 130 is arranged in the interior of the battery shell 100, the chip 403 is fixed in the chip fixing hole 130, the thickened area 13 and the chip fixing hole 130 are designed according to the monitoring requirements, when the chip 403 is arranged at different positions in the battery shell 100, the chip 403 can effectively monitor the changes of the temperature, pressure, gas and stress and other states of different positions in the interior of the battery shell 100, real-time monitor the state changes of the pole core 600, improve the accuracy of the early warning, prolong the dangerous reaction and processing time, and then improve the safety of the battery 1000.

[0094] Optionally, the power utilization device 3000 can be a vehicle, a ship, an airplane, a machine tool, a household appliance, etc.

[0095] In the description of the present disclosure, it should be understood that the terms "transverse", "length", "width", "thickness", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present disclosure and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present disclosure.

[0096] In the present disclosure, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or can be integrated; can be mechanical connection, or can be electrical connection or can communicate with each other; can be directly connected, or indirectly connected through an intermediate medium; can be the communication or interaction relationship between two elements inside two elements. For those skilled in the art, the specific meanings of the above-mentioned terms in the present disclosure can be understood according to the specific circumstances.

[0097] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this disclosure. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. In addition, those skilled in the art can combine and integrate the different embodiments or examples described in this specification.

[0098] Although embodiments of the present disclosure have been shown and described above, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present disclosure. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present disclosure.

Claims

1. A battery housing (100), wherein, The battery shell (100) has a containing cavity (11) in the inside, the battery shell (100) comprises a uniform thickness area (12) and a thickening area (13), the thickening area (13) is connected with the uniform thickness area (12), the thickness of the thickening area (13) is greater than the thickness of the uniform thickness area (12), the thickening area (13) is provided with a chip fixing hole (130) for fixing a chip (403), the chip fixing hole (130) is communicated with the containing cavity (11), and the chip (403) is used for collecting signals in the containing cavity (11).

2. The battery housing (100) of claim 1, wherein, The battery shell (100) comprises: A shell body (1), at least one end of the shell body (1) is an open end (10), and the thickening area (13) is located on the shell body (1); and A cover plate (2) arranged at the open end (10).

3. The battery housing (100) of claim 2, wherein, The cover plate (2) comprises a positive cover plate (21) and a negative cover plate (22), the positive cover plate (21) is arranged at one end of the shell body (1), the negative cover plate (22) is arranged at the other end of the shell body (1), the positive cover plate (21) is provided with a positive pole hole (211), and the negative cover plate (22) is provided with a negative pole hole (222).

4. The battery housing (100) of claim 2, wherein, The shell body (1) has an open end (10) at one end, and the cover plate (2) is provided with the positive pole hole (211) and the negative pole hole (222) which are separated.

5. The battery housing (100) according to any one of claims 2-4, wherein, The shell body (1) comprises a first side plate (141) and a second side plate (142) arranged oppositely and a third side plate (143) and a fourth side plate (144) arranged oppositely, the width of each of the third side plate (143) and the fourth side plate (144) is greater than the width of each of the first side plate (141) and the second side plate (142), and the thickening area (13) is located on the first side plate (141) and / or the second side plate (142).

6. The battery housing (100) according to any one of claims 1-5, wherein, The thickness of the uniform thickness area (12) ranges from 0.2mm to 1mm; The thickening area (13) is a cuboid, and the length, width and thickness of the thickening area (13) satisfy at least one of the following conditions: the length of the thickening area (13) ranges from 0.1m to 1m; the width of the thickening area (13) ranges from 13.5mm to 25mm; and the thickness of the thickening area (13) ranges from 0.6mm to 8mm.

7. The battery housing (100) according to any one of claims 1-6, wherein, The length, width and depth of the chip fixing hole (130) satisfy at least one of the following conditions: the length of the chip fixing hole (130) ranges from 0.1cm to 2cm; the width of the chip fixing hole (130) ranges from 3mm to 11mm; and the depth of the chip fixing hole (130) ranges from 0.1mm to 6mm.

8. The battery housing (100) according to any one of claims 1-7, wherein, The thickening area (13) is provided with a first channel (131) and a second channel (132), the first channel (131) and the second channel (132) are both communicated with the chip fixing hole (130), and the first channel (131) and the second channel (132) are also both communicated with the containing cavity (11).

9. The battery housing (100) of claim 8, wherein, The first channel (131) is in communication with one end of the chip fixing hole (130), and the second channel (132) is in communication with the other end of the chip fixing hole (130), and the first channel (131) and the second channel (132) extend away from the chip fixing hole (130).

10. The battery housing (100) according to claim 8 or 9, wherein The width of the first channel (131) and the second channel (132) ranges from 0.5mm to 5mm; and / or, the depth of the first channel (131) and the second channel (132) ranges from 0.3mm to 4mm.

11. A battery (1000), wherein, The battery (1000) comprises: The battery shell (100) according to any one of claims 1-10; A positive electrode post (200) and a negative electrode post (300), wherein the battery shell (100) is provided with a positive electrode post hole (211) and a negative electrode post hole (222), the positive electrode post (200) is arranged in the positive electrode post hole (211), and the negative electrode post (300) is arranged in the negative electrode post hole (222); A chip assembly (400) comprising a chip (403), wherein the chip (403) is embedded in the chip fixing hole (130) and comprises a circuit board and a detection structure, the circuit board is provided with an integrated circuit, the detection structure is electrically connected with the circuit board, and the chip (403) is adapted to be electrically connected with the positive electrode post (200) and the negative electrode post (300).

12. The battery (1000) according to claim 11, wherein The chip assembly (400) further comprises a positive electrode piece (401) and a negative electrode piece (402), wherein the positive electrode piece (401) is at least partially located in the first channel (131) in communication with the chip fixing hole (130), one end of the positive electrode piece (401) is electrically connected with the circuit board, and the other end of the positive electrode piece (401) is adapted to be connected with the positive electrode post (200), the negative electrode piece (402) is at least partially located in the second channel (132) in communication with the chip fixing hole (130), one end of the negative electrode piece (402) is electrically connected with the circuit board, and the other end of the negative electrode piece (402) is adapted to be connected with the negative electrode post (300).

13. The battery (1000) according to claim 12, wherein The outer surfaces of the chip (403), the positive electrode piece (401) and the negative electrode piece (402) are all coated with an insulating layer.

14. The battery (1000) according to claim 12 or 13, wherein The battery (1000) further comprises a pole core (600), wherein the pole core (600) is arranged in the accommodating cavity (11), the pole core (600) is provided with a positive electrode tab and a negative electrode tab, the positive electrode piece (401), the positive electrode tab and the positive electrode post (200) are connected, and the negative electrode piece (402), the negative electrode tab and the negative electrode post (300) are connected.

15. The battery (1000) according to claim 14, wherein The detection structure comprises a detection belt (500), one end of the detection belt (500) is connected with the circuit board, and the other end of the detection belt (500) is adapted to be inserted into the pole core (600).

16. An energy storage device (2000), wherein, The battery (1000) according to any one of claims 11-15; 17. An electrical consumer (3000), wherein The energy storage device (2000) according to claim 16.

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