A flexible thin film battery combined with an energy storage lithium battery

Abstract

The application relates to the technical field of battery structures, and provides a battery structure combining a flexible thin-film battery and an energy storage lithium battery, which comprises an energy storage lithium battery, a flexible thin-film battery, a light-transmitting outer protection piece, and a low-power-consumption circuit board.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of battery structures, in particular to a battery structure combining a flexible thin-film battery and an energy storage lithium battery. BACKGROUND

[0002] With the continuous development of new energy technologies, various types of batteries have been widely used in people's production and life. Energy storage lithium batteries, with their high energy density and good cycle performance, play an important role in the fields of portable electronic devices, new energy vehicles and the like. However, a single energy storage lithium battery is often difficult to meet the demand in terms of endurance in some scenarios, such as outdoor device power supply, emergency power supply and the like. Flexible thin-film batteries are light, thin, bendable, and can adapt to different shapes, and can be charged by absorbing light energy and the like. Combining a flexible thin-film battery and an energy storage lithium battery can make full use of the advantages of both and improve the overall endurance and adaptability of the battery. However, there is no battery structure in the prior art that efficiently integrates an energy storage lithium battery and a flexible thin-film battery. SUMMARY

[0003] Therefore, the application provides a battery structure combining a flexible thin-film battery and an energy storage lithium battery to solve the technical problem that there is no battery structure in the prior art that efficiently integrates an energy storage lithium battery and a flexible thin-film battery.

[0004] The application provides a battery structure combining a flexible thin-film battery and an energy storage lithium battery, wherein the battery structure combining the flexible thin-film battery and the energy storage lithium battery comprises:

[0005] an energy storage lithium battery;

[0006] a flexible thin-film battery, which is wound around the outer circumferential surface of the energy storage lithium battery;

[0007] a light-transmitting outer protective piece, which is wrapped around the outside of the flexible thin-film battery along the outer circumferential direction of the energy storage lithium battery;

[0008] a low-power-consumption circuit board, an input end of which is electrically connected to the flexible thin-film battery, and an output end of which is electrically connected to the energy storage lithium battery.

[0009] Further, the flexible thin film battery combined with the energy storage lithium battery includes a first lead wire, a second lead wire, a third lead wire, a fourth lead wire, a fifth lead wire and a sixth lead wire, the first end of the first lead wire and the first end of the second lead wire are connected to the positive electrode of the energy storage lithium battery, the first end of the third lead wire and the first end of the fourth lead wire are connected to the negative electrode of the energy storage lithium battery, the second end of the first lead wire and the second end of the third lead wire form the input end of the energy storage lithium battery, the second end of the second lead wire and the second end of the fourth lead wire form the output end of the energy storage lithium battery, the first end of the fifth lead wire is connected to the positive electrode of the flexible thin film battery, the first end of the sixth lead wire is connected to the negative electrode of the flexible thin film battery, the second end of the fifth lead wire forms the positive electrode output end of the flexible thin film battery, and the second end of the sixth lead wire forms the negative electrode output end of the flexible thin film battery. The low-power circuit board has an input positive electrode, an input negative electrode, an output positive electrode and an output negative electrode, the second end of the fifth lead wire is connected to the input positive electrode, the second end of the sixth lead wire is connected to the input negative electrode, the output positive electrode is connected to the second end of the first lead wire, and the output negative electrode is connected to the second end of the third lead wire.

[0010] Further, the second end of the first lead wire, the second end of the second lead wire, the second end of the third lead wire, the second end of the fourth lead wire, the second end of the fifth lead wire and the second end of the sixth lead wire all extend out of the first end of the energy storage lithium battery in the axial direction.

[0011] Further, the flexible thin film battery combined with the energy storage lithium battery includes a circuit board mounting shell, the first end of the energy storage lithium battery in the axial direction is connected to the circuit board mounting shell, the low-power circuit board is arranged inside the circuit board mounting shell, and the second end of the first lead wire, the second end of the second lead wire, the second end of the third lead wire, the second end of the fourth lead wire, the second end of the fifth lead wire and the second end of the sixth lead wire all extend into the inside of the circuit board mounting shell.

[0012] Further, the light-transmitting outer protective piece is a transparent heat-shrinkable film.

[0013] Further, the light-transmitting outer protective piece is a high-transmittance PVC pipe, and the energy storage lithium battery and the flexible thin film battery are accommodated in the high-transmittance PVC pipe and do not extend out of the two ends of the high-transmittance PVC pipe in the axial direction.

[0014] Further, the two ports of the high-transmittance PVC pipe are provided with sealing glue to seal the energy storage lithium battery and the flexible thin film battery in the high-transmittance PVC pipe.

[0015] Further, the light-transmitting outer protective member comprises a first transparent arc-shaped half pipe and a second transparent arc-shaped half pipe, the cross sections of the first transparent arc-shaped half pipe and the second transparent arc-shaped half pipe are both semicircular arcs, a first end of the first transparent arc-shaped half pipe in the circumferential direction is hinged to a first end of the second transparent arc-shaped half pipe in the circumferential direction, a second end of the first transparent arc-shaped half pipe in the circumferential direction can be closed to a second end of the second transparent arc-shaped half pipe in the circumferential direction or opened to the second end, when the second end of the first transparent arc-shaped half pipe in the circumferential direction is closed to the second end of the second transparent arc-shaped half pipe in the circumferential direction, the first transparent arc-shaped half pipe and the second transparent arc-shaped half pipe form a circular pipe structure, and the locking structure locks the second end of the first transparent arc-shaped half pipe in the circumferential direction and the second end of the second transparent arc-shaped half pipe in the circumferential direction to each other when the second end of the first transparent arc-shaped half pipe in the circumferential direction is closed to the second end of the second transparent arc-shaped half pipe in the circumferential direction.

[0016] Further, the inner side of the first transparent arc-shaped half pipe is formed with two first arc-shaped limiting grooves arranged along the axial direction of the first transparent arc-shaped half pipe, the first arc-shaped limiting grooves are formed on the inner side of the first transparent arc-shaped half pipe by first protruding structures, the inner side of the second transparent arc-shaped half pipe is formed with two second arc-shaped limiting grooves arranged along the axial direction of the second transparent arc-shaped half pipe, the second arc-shaped limiting grooves are formed on the inner side of the second transparent arc-shaped half pipe by second protruding structures, the two first arc-shaped limiting grooves and the two second arc-shaped limiting grooves are aligned one by one in correspondence, the flexible thin-film battery can be limited between the two first arc-shaped limiting grooves and between the two second arc-shaped limiting grooves, and the energy storage lithium battery is blocked by the first protruding structures and the second protruding structures to not contact the flexible thin-film battery when the energy storage lithium battery is accommodated in the circular pipe structure.

[0017] Further, the inner side of the first transparent arc-shaped half pipe is formed with a first arc-shaped sliding limiting groove between the two first arc-shaped limiting grooves, the inner side of the second transparent arc-shaped half pipe is formed with a second arc-shaped sliding limiting groove between the two second arc-shaped limiting grooves, the first arc-shaped sliding limiting groove penetrates out of both ends of the first transparent arc-shaped half pipe along the circumferential direction of the first transparent arc-shaped half pipe, and the second arc-shaped sliding limiting groove penetrates out of both ends of the second transparent arc-shaped half pipe along the circumferential direction of the second transparent arc-shaped half pipe, the light-transmitting outer protective member comprises a transparent sliding block and an elastic clamp arranged on the transparent sliding block, the transparent sliding block can be slidingly limited in the first arc-shaped sliding limiting groove along the first arc-shaped sliding limiting groove and in the second arc-shaped sliding limiting groove along the second arc-shaped sliding limiting groove, and the elastic clamp can clamp and fix the flexible thin-film battery.

[0018] The beneficial effects of the battery structure combining a flexible thin-film battery and an energy storage lithium battery provided by this invention are as follows:

[0019] Improved battery life: This application combines a flexible thin-film battery with an energy storage lithium battery into an integrated battery structure. The flexible thin-film battery can charge the energy storage lithium battery under conditions such as sunlight, thereby effectively improving the battery life of the entire battery structure and meeting the usage needs of more scenarios.

[0020] Compact and reasonable structure: The flexible thin-film battery is wound around the outer circumference of the energy storage lithium battery, making full use of the space and making the overall structure compact.

[0021] High adaptability: Flexible thin-film batteries are bendable and can be rolled around the outer circumference of the energy storage lithium battery to adapt to the shape of the energy storage lithium battery, making the battery structure highly adaptable to different installation environments.

[0022] In a further embodiment, the second ends of the first, second, third, fourth, fifth, and sixth wires all extend from the same end along the axial direction of the energy storage lithium battery, facilitating subsequent circuit connections and use. The high-transmittance PVC tube on the outside not only protects the internal energy storage lithium battery and flexible thin-film battery from external physical damage, but its high transmittance also does not affect the flexible thin-film battery's absorption of light energy for charging. The sealant on both sides (which can be a non-corrosive sealant) effectively prevents moisture and dust from entering the battery, ensuring the stability and safety of the battery structure, while also preventing the sealant from corroding the battery. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of a battery structure combining a flexible thin-film battery and an energy storage lithium battery according to an embodiment of this application.

[0025] Figure 2 This is a schematic diagram of the electrical connections in a battery structure combining a flexible thin-film battery and an energy storage lithium battery according to an embodiment of this application.

[0026] Figure 3 This is a three-dimensional schematic diagram of a battery structure combining a flexible thin-film battery and an energy storage lithium battery according to an embodiment of this application.

[0027] Figure 4 A perspective view of a light-transmitting outer protective piece in a battery structure combining a flexible thin-film battery and an energy storage lithium battery according to an embodiment of the present application;

[0028] Figure 5 A perspective view of a light-transmitting outer protective piece in a battery structure combining a flexible thin-film battery and an energy storage lithium battery according to an embodiment of the present application; Figure 4 An enlarged view of A in the middle;

[0029] Figure 6 A perspective view of a light-transmitting outer protective piece in a battery structure combining a flexible thin-film battery and an energy storage lithium battery according to an embodiment of the present application; Figure 4 An enlarged view of B in the middle;

[0030] Figure 7 A perspective view of a light-transmitting outer protective piece in a battery structure combining a flexible thin-film battery and an energy storage lithium battery according to an embodiment of the present application;

[0031] Figure 8 A perspective view of a light-transmitting outer protective piece in a battery structure combining a flexible thin-film battery and an energy storage lithium battery according to an embodiment of the present application; Figure 7 An enlarged view of C in the middle;

[0032] Figure 9 A perspective view of a light-transmitting outer protective piece in a battery structure combining a flexible thin-film battery and an energy storage lithium battery according to an embodiment of the present application; Figure 7 An enlarged view of D in the middle;

[0033] Figure 10 A perspective view of a light-transmitting outer protective piece in a battery structure combining a flexible thin-film battery and an energy storage lithium battery according to an embodiment of the present application; Figure 7 An enlarged view of E in the middle.

[0034] Explanation of reference signs:

[0035] 1 - energy storage lithium battery; 2 - flexible thin-film battery; 3 - first lead wire; 4 - second lead wire; 5 - third lead wire; 6 - fourth lead wire; 7 - fifth lead wire; 8 - sixth lead wire; 9 - circuit board mounting seat; 10 - transparent heat-shrinkable film; 11 - high-transmittance PVC pipe; 12 - sealant; 13 - lock; 14 - clamping head; 15 - transparent sliding block; 16 - hinged shaft; 17 - first half clamp; 18 - second half clamp; 100 - low-power circuit board; 101 - input positive electrode; 102 - input negative electrode; 103 - output positive electrode; 104 - output negative electrode; 200 - first transparent arc-shaped half pipe; 201 - first arc-shaped limiting groove; 202 - first arc-shaped sliding limiting groove; 300 - second transparent arc-shaped half pipe; 301 - second arc-shaped limiting groove; 302 - second arc-shaped sliding limiting groove. DETAILED DESCRIPTION

[0036] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The accompanying drawings show one or more embodiments of the present application, so that the disclosed technical solutions of the present application can be understood more accurately and thoroughly. However, it should be understood that the present application can be implemented in various forms, and is not limited to the embodiments described below.

[0037] The same or similar reference numerals in the drawings correspond to the same or similar components; in the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the terms describing the positional relationship in the drawings are only used for exemplary illustration, and cannot be understood as a limitation on the present application. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to the specific circumstances.

[0038] In addition, if the present application has a description involving "first", "second", etc., the description of "first", "second", etc. is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implying the number of indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, "and / or" or "and / or" appearing throughout the text means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B are satisfied at the same time.

[0039] In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that a person of ordinary skill in the art can realize it, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor is it within the scope of protection claimed by the present application.

[0040] Referring to Figures 1 to 3 The present application provides a flexible thin film battery combined with an energy storage lithium battery, wherein the flexible thin film battery combined with the energy storage lithium battery comprises:

[0041] an energy storage lithium battery 1;

[0042] a flexible thin film battery 2, which can be a piece of multi-section flexible battery, the flexible thin film battery 2 is wound on the outer circumferential surface of the energy storage lithium battery 1, and the flexible thin film battery 2 wound on the outer circumferential surface of the energy storage lithium battery 1 can be in contact with the outer circumferential surface of the energy storage lithium battery 1 or not in contact (with a gap between the outer circumferential surface of the energy storage lithium battery 1);

[0043] a light-transmitting outer protection piece, which is wrapped outside the flexible thin film battery 2 along the outer circumferential direction of the energy storage lithium battery 1;

[0044] The low-power circuit board 100 is electrically connected with the flexible thin film battery 2 at the input end, and is electrically connected with the energy storage lithium battery 1 at the output end.

[0045] The flexible thin film battery and the energy storage lithium battery are combined to form a whole battery structure, the flexible thin film battery 2 can charge the energy storage lithium battery 1 under the condition of light and the like, thereby effectively improving the endurance of the whole battery structure and meeting the use requirements of more scenes. The flexible thin film battery 2 is wound on the outer circumferential surface of the energy storage lithium battery 1, and the space is fully utilized, so that the overall structure is compact. In addition, the flexible thin film battery 2 has a bendable characteristic, and winding on the outer circumferential surface of the energy storage lithium battery 1 can adapt to the shape of the energy storage lithium battery 1, so that the battery structure has good adaptability in different installation environments.

[0046] According to the specific embodiment of the present application, the battery structure combining the flexible thin film battery and the energy storage lithium battery includes a first lead wire 3, a second lead wire 4, a third lead wire 5, a fourth lead wire 6, a fifth lead wire 7 and a sixth lead wire 8, the first end of the first lead wire 3 and the first end of the second lead wire 4 are both connected to the positive electrode of the energy storage lithium battery 1, the first end of the third lead wire 5 and the first end of the fourth lead wire 6 are both connected to the negative electrode of the energy storage lithium battery 1, the second end of the first lead wire 3 and the second end of the third lead wire 5 form the input end of the energy storage lithium battery 1, the second end of the second lead wire 4 and the second end of the fourth lead wire 6 form the output end of the energy storage lithium battery 1, for supplying power to external devices, the first end of the fifth lead wire 7 is connected to the positive electrode of the flexible thin film battery 2, the first end of the sixth lead wire 8 is connected to the negative electrode of the flexible thin film battery 2, the second end of the fifth lead wire 7 forms the positive electrode output end of the flexible thin film battery 2, and the second end of the sixth lead wire 8 forms the negative electrode output end of the flexible thin film battery 2. The low-power circuit board 100 has an input positive electrode 101, an input negative electrode 102, an output positive electrode 103 and an output negative electrode 104, the second end of the fifth lead wire 7 is connected to the input positive electrode 101, the second end of the sixth lead wire 8 is connected to the input negative electrode 102, the output positive electrode 103 is connected to the second end of the first lead wire 3, and the output negative electrode 104 is connected to the second end of the third lead wire 5.

[0047] According to the preferred embodiment of the present application, the second end of the first lead wire 3, the second end of the second lead wire 4, the second end of the third lead wire 5, the second end of the fourth lead wire 6, the second end of the fifth lead wire 7 and the second end of the sixth lead wire 8 all extend out of the first end of the energy storage lithium battery 1 in the axial direction.

[0048] According to one embodiment of the present application, the battery structure of the flexible thin film battery combined with the energy storage lithium battery comprises a circuit board mounting shell 9, the axial first end of the energy storage lithium battery 1 is connected to the circuit board mounting shell 9, a low-power circuit board 100 is arranged inside the circuit board mounting shell 9, and the second end of the first lead wire 3, the second end of the second lead wire 4, the second end of the third lead wire 5, the second end of the fourth lead wire 6, the second end of the fifth lead wire 7 and the second end of the sixth lead wire 8 all extend to the inside of the circuit board mounting shell 9.

[0049] According to one embodiment of the present application, the light-transmitting outer protection piece is a transparent heat-shrinkable film 10.

[0050] According to another embodiment of the present application, the light-transmitting outer protection piece is a high-transmittance PVC pipe 11, and the energy storage lithium battery 1 and the flexible thin film battery 2 are both accommodated in the high-transmittance PVC pipe 11 and do not protrude from the axial two ends of the high-transmittance PVC pipe 11.

[0051] According to one embodiment of the present application, the two ports of the high-transmittance PVC pipe 11 are provided with sealing glue 12 to seal the energy storage lithium battery 1 and the flexible thin film battery 2 in the high-transmittance PVC pipe 11, and the sealing glue 12 can be corrosion-free sealing glue or other suitable types of sealing glue 12.

[0052] Referring to Figures 4 to 10According to one embodiment of the present application, the light-transmitting outer protective piece comprises a first transparent arc-shaped half pipe 200, a second transparent arc-shaped half pipe 300 and a locking structure, the cross sections of the first transparent arc-shaped half pipe 200 and the second transparent arc-shaped half pipe 300 are both semicircular arcs, the first end of the first transparent arc-shaped half pipe 200 in the circumferential direction is hinged to the first end of the second transparent arc-shaped half pipe 300 in the circumferential direction, the second end of the first transparent arc-shaped half pipe 200 in the circumferential direction can be closed to the second end of the second transparent arc-shaped half pipe 300 in the circumferential direction or opened to each other, when the second end of the first transparent arc-shaped half pipe 200 in the circumferential direction is closed to the second end of the second transparent arc-shaped half pipe 300 in the circumferential direction, the first transparent arc-shaped half pipe 200 and the second transparent arc-shaped half pipe 300 form a circular pipe structure, when the second end of the first transparent arc-shaped half pipe 200 in the circumferential direction is closed to the second end of the second transparent arc-shaped half pipe 300 in the circumferential direction, the locking structure locks the second end of the first transparent arc-shaped half pipe 200 in the circumferential direction and the second end of the second transparent arc-shaped half pipe 300 in the circumferential direction to each other, the locking structure specifically comprises a lock catch 13 arranged at the second end of the first transparent arc-shaped half pipe 200 in the circumferential direction and a clamping head 14 arranged at the second end of the second transparent arc-shaped half pipe 300 in the circumferential direction, the clamping hole on the lock catch 13 can be clamped on the clamping head 14, and the flexible thin-film battery 2 is conveniently installed between the first transparent arc-shaped half pipe 200 and the second transparent arc-shaped half pipe 300 after the second end of the first transparent arc-shaped half pipe 200 in the circumferential direction is opened to the second end of the second transparent arc-shaped half pipe 300 in the circumferential direction.

[0053] According to one embodiment of the present application, the inner side of the first transparent arc-shaped half pipe 200 is formed with two first arc-shaped limiting grooves 201 arranged along the axial direction of the first transparent arc-shaped half pipe 200, the first arc-shaped limiting grooves 201 are formed on the inner side of the first transparent arc-shaped half pipe 200 through first protruding structures, the inner side of the second transparent arc-shaped half pipe 300 is formed with two second arc-shaped limiting grooves 301 arranged along the axial direction of the second transparent arc-shaped half pipe 300, the second arc-shaped limiting grooves 301 are formed on the inner side of the second transparent arc-shaped half pipe 300 through second protruding structures, the two first arc-shaped limiting grooves 201 and the two second arc-shaped limiting grooves 301 are aligned one by one in correspondence, the flexible thin-film battery 2 can be limited between the two first arc-shaped limiting grooves 201 and between the two second arc-shaped limiting grooves 301, and the energy storage lithium battery 1 is blocked by the first protruding structure and the second protruding structure when accommodated in the circular pipe structure and does not contact the flexible thin-film battery 2, the advantage of the present embodiment is that the energy storage lithium battery 1 and the flexible thin-film battery 2 will not adversely affect each other due to the contact of each other, but as mentioned above, the scheme that the energy storage lithium battery 1 and the flexible thin-film battery 2 contact each other will also fall within the protection scope of the present application.

[0054] According to one embodiment of the present application, the inner side of the first transparent arc-shaped half pipe 200 is formed with a first arc-shaped sliding limiting groove 202 between two first arc-shaped limiting grooves 201, and the inner side of the second transparent arc-shaped half pipe 300 is formed with a second arc-shaped sliding limiting groove 302 between two second arc-shaped limiting grooves 301. The first arc-shaped sliding limiting groove 202 penetrates through both ends of the first transparent arc-shaped half pipe 200 along the circumferential direction of the first transparent arc-shaped half pipe 200, and the second arc-shaped sliding limiting groove 302 penetrates through both ends of the second transparent arc-shaped half pipe 300 along the circumferential direction of the second transparent arc-shaped half pipe 300. The light-transmitting outer protective member includes a transparent sliding block 15 and an elastic clamp provided on the transparent sliding block 15. The transparent sliding block 15 can be slidingly limited in the first arc-shaped sliding limiting groove 202 along the first arc-shaped sliding limiting groove 202, and can be slidingly limited in the second arc-shaped sliding limiting groove 302 along the second arc-shaped sliding limiting groove 302. Specifically, the transparent sliding block 15 has a T-shaped head, and the cross sections of the first arc-shaped sliding limiting groove 202 and the second arc-shaped sliding limiting groove 302 are both T-shaped to match the T-shaped head. The elastic clamp can clamp and fix the flexible thin-film battery 2. When packaging the flexible thin-film battery 2, one end of the flexible thin-film battery 2 can be clamped by the elastic clamp. Then, the transparent sliding block 15 is pushed along the first arc-shaped sliding limiting groove 202 to slide out of the first arc-shaped sliding limiting groove 202. After that, the transparent sliding block 15 is put into the second arc-shaped sliding limiting groove 302, and then the transparent sliding block 15 is pushed along the second arc-shaped sliding limiting groove 302 to continue sliding. In this way, the flexible thin-film battery 2 gradually enters and is limited between the two first arc-shaped limiting grooves 201 and the two second arc-shaped limiting grooves 301. The size of the transparent sliding block 15 and the elastic clamp should ensure that the energy storage lithium battery 1 is blocked by the first protruding structure and the second protruding structure when it is accommodated in the circular pipe structure, so as not to be in contact with the elastic clamp.

[0055] According to a specific embodiment of the present application, the elastic clamp specifically includes a hinged shaft 16, a torsional spring, a first half clamp 17, and a second half clamp 18. The first half clamp 17 is fixedly connected to the transparent sliding block 15, and the second half clamp 18 is hinged to the first half clamp 17 through the hinged shaft 16. The torsional spring is arranged on the hinged shaft 16 and forms an elastic force that presses the second half clamp 18 against the first half clamp 17. By pressing the second half clamp 18 with an external force, the first half clamp 17 and the second half clamp 18 can be opened away from each other.

[0056] It should be noted that the above embodiments only express the preferred embodiments of the present application, and the description is more specific and detailed, but it should not be construed as a limitation of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, such as combining different features in the various embodiments, etc., which should all belong to the protection scope of the present application.

Claims

1. A battery structure combining a flexible thin-film battery and an energy storage lithium battery, characterized in that, The battery structure combining the flexible thin-film battery and the energy storage lithium battery includes: Energy storage lithium batteries; A flexible thin-film battery, wherein the flexible thin-film battery is wound around the outer circumferential surface of the energy storage lithium battery; A light-transmitting outer protective component, which wraps around the outside of the flexible thin-film battery along the outer circumferential direction of the energy storage lithium battery; A low-power circuit board, wherein the input terminal of the low-power circuit board is electrically connected to the flexible thin-film battery, and the output terminal of the low-power circuit board is electrically connected to the energy storage lithium battery; The light-transmitting outer casing is a high-transmittance PVC tube. Both the energy storage lithium battery and the flexible thin-film battery are housed within the high-transmittance PVC tube and do not extend beyond its axial ends. Sealant is applied to both ends of the high-transmittance PVC tube to seal the energy storage lithium battery and the flexible thin-film battery within it. Inside the tube; the light-transmitting outer protective component includes a first transparent arc-shaped semi-tube, a second transparent arc-shaped semi-tube, and a locking structure. Both the first and second transparent arc-shaped semi-tubes have semi-circular cross-sections. The first circumferential end of the first transparent arc-shaped semi-tube is hinged to the first circumferential end of the second transparent arc-shaped semi-tube. The second circumferential end of the first transparent arc-shaped semi-tube can be closed or opened with the second circumferential end of the second transparent arc-shaped semi-tube. When the second circumferential end of the first transparent arc-shaped semi-tube is closed with the second circumferential end of the second transparent arc-shaped semi-tube, the first and second transparent arc-shaped semi-tubes form a circular tube structure. When the second circumferential end of the first transparent arc-shaped semi-tube is closed with the second circumferential end of the second transparent arc-shaped semi-tube, the locking structure prevents the first transparent arc-shaped semi-tube from opening. The second end is locked to the second end of the second transparent arc-shaped semi-tube in the circumferential direction; the inner side of the first transparent arc-shaped semi-tube has two first arc-shaped limiting grooves arranged at intervals along the axial direction of the first transparent arc-shaped semi-tube, the first arc-shaped limiting grooves are formed with the inner side of the first transparent arc-shaped semi-tube through a first protrusion structure, the inner side of the second transparent arc-shaped semi-tube has two second arc-shaped limiting grooves arranged at intervals along the axial direction of the second transparent arc-shaped semi-tube, the second arc-shaped limiting grooves are formed with the inner side of the second transparent arc-shaped semi-tube through a second protrusion structure, the two first arc-shaped limiting grooves and the two second arc-shaped limiting grooves are aligned one-to-one, the flexible thin film battery can be limited between the two first arc-shaped limiting grooves and between the two second arc-shaped limiting grooves, when the energy storage lithium battery is housed in the circular tube structure, it is blocked by the first protrusion structure and the second protrusion structure and does not contact the flexible thin film battery.The inner side of the first transparent arc-shaped semi-tube has a first arc-shaped sliding limiting groove formed between two first arc-shaped limiting grooves. The inner side of the second transparent arc-shaped semi-tube has a second arc-shaped sliding limiting groove formed between two second arc-shaped limiting grooves. The first arc-shaped sliding limiting groove extends through both ends of the first transparent arc-shaped semi-tube along its circumference. The second arc-shaped sliding limiting groove extends through both ends of the second transparent arc-shaped semi-tube along its circumference. The light-transmitting outer protective component includes a transparent slider and an elastic clip disposed on the transparent slider. The transparent slider can slide and be limited within the first arc-shaped sliding limiting groove, and can also slide and be limited within the second arc-shaped sliding limiting groove. The elastic clip can clamp and fix the flexible thin-film battery.

2. The battery structure combining a flexible thin-film battery and an energy storage lithium battery according to claim 1, characterized in that, The battery structure combining the flexible thin-film battery and the energy storage lithium battery includes a first wire, a second wire, a third wire, a fourth wire, a fifth wire, and a sixth wire. The first end of the first wire and the first end of the second wire are both connected to the positive electrode of the energy storage lithium battery. The first end of the third wire and the first end of the fourth wire are both connected to the negative electrode of the energy storage lithium battery. The second end of the first wire and the second end of the third wire form the input terminal of the energy storage lithium battery. The second end of the second wire and the second end of the fourth wire form the output terminal of the energy storage lithium battery. The first end of the fifth wire is connected to the positive electrode of the flexible thin-film battery. The first end of the sixth wire is connected to the negative electrode of the flexible thin-film battery. The second end of the fifth wire forms the positive output terminal of the flexible thin-film battery, and the second end of the sixth wire forms the negative output terminal of the flexible thin-film battery. The low-power circuit board has an input positive electrode, an input negative electrode, an output positive electrode, and an output negative electrode. The second end of the fifth wire is connected to the input positive electrode, the second end of the sixth wire is connected to the input negative electrode, the output positive electrode is connected to the second end of the first wire, and the output negative electrode is connected to the second end of the third wire.

3. The battery structure combining a flexible thin-film battery and an energy storage lithium battery according to claim 2, characterized in that, The second ends of the first wire, the second wire, the third wire, the fourth wire, the fifth wire, and the sixth wire all extend out of the first end of the energy storage lithium battery along its axial direction.

4. The battery structure combining a flexible thin-film battery and an energy storage lithium battery according to claim 3, characterized in that, The battery structure combining the flexible thin-film battery and the energy storage lithium battery includes a circuit board mounting housing. The first axial end of the energy storage lithium battery is connected to the circuit board mounting housing. The low-power circuit board is disposed inside the circuit board mounting housing. The second ends of the first wire, the second wire, the third wire, the fourth wire, the fifth wire, and the sixth wire all extend into the interior of the circuit board mounting housing.

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