Tabless battery, tabless battery array, tabless battery-based ctc, and application apparatus

Abstract

Disclosed in the present invention is a tabless battery, comprising a battery case, a cell, and a cell insulating film. A positive electrode sheet leading-out edge and a negative electrode sheet leading-out edge are respectively provided on the upper and lower sides in the height direction of the cell, and the cell insulating film wraps the outer side of the cell; the battery case comprises a positive electrode, a housing, and a negative electrode, the positive electrode and the negative electrode being fixedly connected to the housing in an electrical insulation manner, the housing being provided with a pressure relief opening, and the cell wrapped with the cell insulating film being disposed in the housing; the positive electrode sheet leading-out edge of the cell is integrally and electrically connected, and the negative electrode sheet leading-out edge of the cell is integrally and electrically connected; the positive electrode sheet leading-out edge is electrically connected to the positive electrode of the tabless battery, and the negative electrode sheet leading-out edge is electrically connected to the negative electrode of the tabless battery; the positive electrode and the negative electrode of the power battery are no longer provided with lead-out terminals, and the battery leads out electric energy by means of a contact electrode guide rail.

Description

Electrodeless battery, electrodeless battery array, electrodeless battery CTC and application device Technical Field

[0001] The present invention relates to the field of power batteries, and in particular to a polarityless battery, a polarityless battery array, a polarityless battery CTC and an application device. Background Art

[0002] Electric vehicles are the main consumption market for power batteries. The development of power battery packs is divided into three stages: the 1.0 stage of standardized modules; the large module structure is the CTP2.0 stage, CATL's long modules and BYD's blade batteries are the CTP2.0 stage; the industry development trend is CTC 3.0.

[0003] CTC (Cell to Chassis) is the direct integration of power batteries and vehicle chassis. CTC can improve production efficiency and reduce the cost of electric vehicles. Tesla will first apply CTC technology to the Model Y in 2022. In fact, the CTC battery pack structure composed of Tesla's cylindrical batteries is still very complex, and the batteries cannot be quickly repaired.

[0004] The technical routes of existing automotive battery packs are all based on existing power battery forms: for example, based on Tesla's 4680 battery, it adopts a tab-free wire-out process to reduce the battery's comprehensive equivalent internal resistance, and its electrical performance is excellent, but its cylindrical structure is not the ideal structural form of an automotive power battery; another example is BYD's blade battery, which is suitable for the mechanical structure of an automotive power battery pack, but the long blade battery extends the battery's electrochemical path, increases the battery's equivalent comprehensive internal resistance, and its electrical performance is not ideal.

[0005] The key requirements of Ideal CTC are: first, the mechanical structure achieves a perfect match between the power battery and the vehicle chassis; second, a power battery with superior electrical performance; and third, easy maintenance. To achieve this, it is necessary to reverse-engineer a new power battery and CTC structure that meet CTC requirements.

[0006] In the prior art, Korean patent application "Non-polarity battery shell plate structure", publication number: KR1020050041653A, discloses a non-polarity battery shell plate structure, which is convenient for assembly and prevents short circuit when the battery is inserted. According to the prior art, the -electrode plate (18) and the fixing member (20) are respectively cut into a pair of -electrode plates (18) and -electrode plates (16) by curves, the fixing member (20) between the pair and the -electrode connector (14) or the electrode connecting plate (30) are respectively on one side (14) of the two ends of the -electrode plate (16) of the -electrode connector (14) or the electrode connecting plate (30), wherein these are connected into one body and include a +electrode connecting part (12) or the electrode connecting plate (30) and the -electrode plate (18), including an opening portion (22, 23) in which the positive electrode (26) of the battery (1) is inserted. Furthermore, the electrode plate structure of the polarityless battery shell is arranged inside the opening portion (23) of the fixing member (20), and the short fire wall (42) protrudes, so that the positive electrode (26) of the battery (1) can contact the positive electrode plate (16) through the opening portion (22, 23).

[0007] In the prior art, the Japanese patent application "Protectionless Battery", publication number: JP1988228933A, discloses a capacitanceless battery, including: a housing for accommodating a power supply battery, an energy transmission medium, an energy sending part and a switching circuit, with a power supply battery for external energy supply, an energy transmission medium for supplying energy to the outside in a non-contact manner; an energy transmission unit, arranged between the power battery and the energy transmission medium, for converting the direct current of the power battery into energy and outputting it to the energy transmission medium; connecting the power battery and the energy transmission unit, and opening and closing the connection; and a switching circuit for execution.

[0008] In the prior art, the Korean patent application "Non-polar battery formation device", publication number: KR2020140004595U, discloses a non-polar formation device that can perform a formation process in a formation device that performs a formation process of a battery cell or battery without being affected by the polarity of the inserted battery or battery. It is a formation device 100 for activating a battery cell or battery, a battery insertion part 110, a battery insertion part 110; the power required for charging the battery or battery inserted into the battery insertion part 110, when power cannot be obtained from the first input power source 120 according to the polarity direction of the battery cell or battery inserted into the battery insertion unit 110, the battery insertion unit 110 second input power source 130 provides the power required for charging the inserted battery cell or battery; the switch unit 140 is composed of a first switch and a second switch, and is used to connect / disconnect the electrical connection of the battery insertion unit 110; the battery cell or battery inserted into the battery insertion unit 110 is discharged, including: a discharge unit 150, to perform the on / off non-polar battery formation device by inserting the battery insertion unit 110 and the switch unit 140 through the first input power source 120 or the second input power source 130 according to the polarity direction of the battery cell or battery, and charging or discharging the battery cell or battery pack through the discharge unit 150.

[0009] In the prior art, Korean patent application "Non-polarized Battery," publication number KR1020210082455A, discloses a battery having at least one non-contact electrode and a method for forming the same. The battery includes a first substrate having a first coating disposed thereon, and a second portion of the first substrate proximal to the width of the first substrate comprises a conductive material. An internal separator is disposed above the first substrate. A second substrate is disposed above the internal separator. The second substrate has a second coating disposed thereon. The first substrate, internal separator, and second substrate are continuous, and the first, internal separator, and second substrate are wound around a central axis. The first substrate includes a first coating, wherein the second portion of the first substrate proximal to the width of the first substrate comprises a conductive material; the second substrate includes a second coating; an internal separator is disposed between the first and second substrates, wherein the first substrate, internal separator, and second substrate are wound around a central axis to form an electrode.

[0010] Among the existing related technologies, the domestic patent "Box Structure, Battery, and Electrical Device" with authorization announcement number: CN 216648494 U discloses a box structure, battery, and electrical device. A reinforcement body is connected between the upper cover and the lower box body to enhance the bonding strength between the upper cover and the lower box body and improve the stability of the box structure. Since the reinforcement body is provided with a cooling channel for coolant circulation, during the heat dissipation process of the battery pack, coolant is introduced into the cooling channel, and the heat conduction between the cooling channel and the battery pack is utilized to achieve effective cooling of the battery pack. Therefore, it can be seen that the present application integrates the water cooling function into the reinforcement body. In this way, while meeting the requirements of heat dissipation and structural strength, it takes into account space utilization and can eliminate the water cooling plate and bottom guard plate of the traditional box body. The high integration level is conducive to improving energy density and also helps to reduce the weight of the box structure. In addition, by integrating the water cooling function into the reinforcement body, it is transferred to the box structure, avoiding the risk of leakage caused by damage due to collision.

[0011] Among the existing related technologies, the domestic patent application "Battery Pack, Vehicle, and Energy Storage Device," publication number CN 110165116 A, discloses a battery pack, vehicle, and energy storage device. The battery pack includes a battery array and a support member. The battery array includes a plurality of single cells. The single cells have a first dimension, which is the maximum distance between two parallel planes virtually clamping the single cells. At least one single cell satisfies the following conditions: 600mm ≤ first dimension ≤ 2500mm and is supported on the support member. The normal direction of the two parallel planes corresponding to the first dimension is the Q direction. A battery placement area is formed within the battery pack, and the battery array is located within the battery placement area. The single cells extend along the Q direction from one side of the battery placement area to the other side of the battery placement area. The battery pack of this application increases the battery capacity of the battery pack by forming a battery array with multiple long single cells. Furthermore, by adopting a specific range of first dimensions, the space utilization of the battery pack can be improved.

[0012] In order to fully meet the needs of the CTC architecture's on-board power system in terms of both mechanical structure and electrical performance, the inventors proposed a new structural form of a polarity battery. The positive and negative electrodes of the polarity battery no longer have lead terminals, and the battery draws electrical energy through contact electrode rails, commonly known as a polarity battery; and a CTC structural scheme based on the polarity battery.

[0013] Summary of the Invention

[0014] To achieve the above-mentioned objectives, the present invention provides a non-polar battery, comprising a battery casing, a battery cell and a battery cell insulating film; a positive electrode sheet lead-out edge and a negative electrode sheet lead-out edge are respectively provided on the upper and lower sides along the height direction of the battery cell, and the battery cell insulating film is wrapped around the outer side of the battery cell; the battery casing comprises a positive electrode at the top, a shell and a negative electrode at the bottom, the positive electrode and the negative electrode are fixedly connected to the shell in an electrically insulated manner, the shell is provided with a pressure relief port, and the battery cell wrapped with the battery cell insulating film is placed in the shell; the positive electrode sheet lead-out edge of the battery cell is electrically connected as a whole, and the negative electrode sheet lead-out edge of the battery cell is electrically connected as a whole; the positive electrode sheet lead-out edge is electrically connected to the positive electrode of the non-polar battery, and the negative electrode sheet lead-out edge is electrically connected to the negative electrode of the non-polar battery; lead-out terminals are no longer provided on the positive and negative electrodes of the non-polar battery, and the battery leads out electrical energy through contact electrode rails.

[0015] As a preferred embodiment of the present invention, the length direction X dimension of the electrodeless battery is the first dimension, the height direction Y is the second dimension, and the thickness direction Z is the third dimension. The first dimension X is 300-4000mm, the second dimension Y is 30-500mm, and the third dimension Z is 10-300mm.

[0016] As a preferred embodiment of the present invention, the battery cell is a laminated battery cell having a long cubic structure, the leading edge of the positive electrode sheet protrudes from the upper edge of the battery cell by 2-20 mm, and the leading edge of the negative electrode sheet protrudes from the lower edge of the battery cell by 2-20 mm.

[0017] As a preferred embodiment of the present invention, the battery cell is a wound battery cell with an elongated elliptical structure, the leading edge of the positive electrode sheet protrudes from the upper edge of the battery cell by 2-20 mm, and the leading edge of the negative electrode sheet protrudes from the lower edge of the battery cell by 2-20 mm.

[0018] As a preferred embodiment of the present invention, the positive and negative electrodes of the polar battery are arranged on a plane formed by the height direction Y and the direction Z, and the positive and negative electrodes are fixedly installed on the polar battery casing to be electrically insulated; the positive electrode is connected to the positive electrode sheet of the battery cell by means of an L-shaped electrode connecting plate, and the negative electrode is connected to the negative electrode sheet of the battery cell by means of an L-shaped electrode connecting plate.

[0019] As a preferred embodiment of the present invention, the positive and negative electrodes of the polar battery are arranged on a plane formed by the height direction Y and the direction Z, and the positive and negative electrodes are fixedly installed with the polar battery shell to be electrically insulated; the positive electrode is connected to the positive electrode sheet of the battery cell with the help of an L-shaped electrode connecting plate, and the negative electrode is connected to the negative electrode sheet of the battery cell with the help of an L-shaped electrode connecting plate; the positive and negative electrodes are sheet electrodes, and the sheet electrodes extend out of the shell in a horizontal direction.

[0020] As a preferred embodiment of the present invention, the positive and negative electrodes of the polar battery are arranged on a plane formed by the height direction Y and the direction Z, and the positive and negative electrodes are fixedly installed on the polar battery shell to be electrically insulated; the positive electrode is connected to the positive electrode sheet of the battery cell by means of an L-shaped electrode connecting plate, and the negative electrode is connected to the negative electrode sheet of the battery cell by means of an L-shaped electrode connecting plate; the positive and negative electrodes are sheet electrodes, and the sheet electrodes extend out of the shell in a vertical direction.

[0021] As a preferred embodiment of the present invention, the positive and negative electrodes of the polar battery are arranged on a plane formed by the height direction Y and the direction Z, and the positive and negative electrodes are fixedly installed on the polar battery shell to be electrically insulated; the positive electrode is connected to the positive electrode sheet of the battery cell by means of an L-shaped electrode connecting plate, and the negative electrode is connected to the negative electrode sheet of the battery cell by means of an L-shaped electrode connecting plate; the positive and negative electrodes are cylindrical electrodes, and the cylindrical electrodes extend out of the shell in the horizontal direction.

[0022] As a preferred embodiment of the present invention, the positive and negative electrodes of the polar battery are arranged on the upper and lower sides of the plane formed by the length direction X and the direction Y, and the positive and negative electrodes are fixedly installed on the polar battery casing to be electrically insulated; the positive electrode is connected to the positive electrode sheet of the battery cell by means of an L-shaped electrode connecting plate, and the negative electrode is connected to the negative electrode sheet of the battery cell by means of an L-shaped electrode connecting plate.

[0023] As a preferred embodiment of the present invention, the positive and negative electrodes of the polar battery are respectively arranged on the upper or lower side of the two side planes formed by the length direction X and the direction Y, and the positive and negative electrodes are fixedly installed with the outer shell of the polar battery to be electrically insulated; the positive electrode is connected to the positive electrode sheet of the battery cell by means of an L-shaped electrode connecting plate, and the negative electrode is connected to the negative electrode sheet of the battery cell by means of an L-shaped electrode connecting plate.

[0024] As a preferred embodiment of the present invention, the non-polar battery is a liquid electrolyte battery, a solid electrolyte battery, a solid-liquid mixed battery, or a condensed state battery.

[0025] As a preferred embodiment of the present invention, the battery cell is formed by connecting a plurality of identical battery cells in series. The identical battery cells herein refer to having the same mechanical structure and electrical parameters.

[0026] A polar battery array comprises polar batteries and contact electrode rails, wherein two adjacent polar batteries are electrically connected via the contact electrode rails; the contact electrode rails have an "E"-shaped cross-section, and a plurality of elastic contact electrodes are provided at the bottom and inner sides of the two sides of the contact electrode rails, respectively; a limiting grid is provided between the two contact electrodes at the bottom, and the limiting grid constrains the fixed spacing between the polar batteries; the polar batteries in the array are slidably inserted between the contact electrode rails on the upper and lower sides of the polar batteries to achieve electrical connection and mechanical fixation of the polar batteries.

[0027] A CTC structure based on a polarized battery comprises a vehicle chassis, a chassis upper cover, a chassis side cover, a polarized battery array and a contact electrode guide rail; the vehicle chassis and the chassis upper cover are respectively provided with vertical structural members and horizontal structural members, the vertical structural members and the horizontal structural members divide the vehicle chassis and the chassis upper cover into a plurality of battery compartments, each of which is provided with the polarized battery array; the vertical structural members and / or the horizontal structural members are provided with a cooling and heat dissipation system and a sensor, the upper surface of the vertical structural member of the vehicle chassis is provided with a system control module, the system control module is electrically connected to the polarized battery and the sensor through the contact electrode guide rail, and the polarized battery is monitored, monitored and managed by the system control module; the contact electrode guide rail is provided on the inner side of the vehicle chassis and the chassis upper cover to form a fixed mounting position for the polarized battery array.

[0028] A preferred method of CTC structure based on a polar battery, wherein the positive and negative electrodes of the polar battery are arranged on a plane formed by the height direction Y and the direction Z, and the positive and negative electrodes are fixedly installed with the polar battery casing to be electrically insulated; the positive electrode is connected to the positive electrode sheet of the battery cell by means of an L-shaped electrode connecting plate, and the negative electrode is connected to the negative electrode sheet of the battery cell by means of an L-shaped electrode connecting plate.

[0029] A preferred method for a CTC structure based on a polar battery, wherein the positive and negative electrodes of the polar battery are arranged on a plane formed by the height direction Y and the direction Z, and the positive and negative electrodes are fixedly installed to the polar battery shell to be electrically insulated; the positive electrode is connected to the positive electrode sheet of the battery cell by means of an L-shaped electrode connecting plate, and the negative electrode is connected to the negative electrode sheet of the battery cell by means of an L-shaped electrode connecting plate; the positive and negative electrodes are sheet electrodes, and the sheet electrodes extend horizontally from the shell.

[0030] A preferred method for a CTC structure based on a polar battery, wherein the positive and negative electrodes of the polar battery are arranged on a plane formed by the height direction Y and the direction Z, and the positive and negative electrodes are fixedly installed to the polar battery shell to be electrically insulated; the positive electrode is connected to the positive electrode sheet of the battery cell by means of an L-shaped electrode connecting plate, and the negative electrode is connected to the negative electrode sheet of the battery cell by means of an L-shaped electrode connecting plate; the positive and negative electrodes are sheet electrodes, and the sheet electrodes extend vertically from the shell.

[0031] A preferred method for a CTC structure based on a polar battery, wherein the positive and negative electrodes of the polar battery are arranged on a plane formed by the height direction Y and the direction Z, and the positive and negative electrodes are fixedly installed to the polar battery shell to be electrically insulated; the positive electrode is connected to the positive electrode sheet of the battery cell by means of an L-shaped electrode connecting plate, and the negative electrode is connected to the negative electrode sheet of the battery cell by means of an L-shaped electrode connecting plate; the positive and negative electrodes are cylindrical electrodes, and the cylindrical electrodes extend horizontally from the shell.

[0032] A preferred embodiment of a CTC structure based on a polar battery, wherein the positive and negative electrodes of the polar battery are arranged on the upper and lower sides of the plane formed by the longitudinal direction X and the direction Y, and the positive and negative electrodes are fixedly installed to the polar battery casing to be electrically insulated; the positive electrode is connected to the positive electrode sheet of the battery cell by means of an L-shaped electrode connecting plate, and the negative electrode is connected to the negative electrode sheet of the battery cell by means of an L-shaped electrode connecting plate.

[0033] A preferred embodiment of a CTC structure based on a polar battery, wherein the positive and negative electrodes of the polar battery are respectively arranged on the upper or lower side of the two side planes formed by the longitudinal direction X and the direction Y, and the positive and negative electrodes are fixedly installed to the outer shell of the polar battery to be electrically insulated; the positive electrode is connected to the positive electrode sheet of the battery cell by means of an L-shaped electrode connecting plate, and the negative electrode is connected to the negative electrode sheet of the battery cell by means of an L-shaped electrode connecting plate.

[0034] A preferred embodiment of the CTC structure based on the non-polar battery is that the number of the battery compartments is 2, 4, 6 or 8, and the battery compartments are provided with the above-mentioned non-polar battery arrays; the outer sides of all the battery compartments of the vehicle chassis are provided with side battery extraction ports for observing and replacing batteries during maintenance; the non-polar battery arrays in 2, 4, 6 or 8 battery compartments are connected in series in sequence to form a high-voltage non-polar battery array.

[0035] An electric vehicle, whose power system is any one of the above-mentioned CTC structures based on the electrodeless battery and any one of the above-mentioned electrodeless batteries.

[0036] An energy storage system or an electrical device includes a power battery, wherein the power battery is any one of the above-mentioned electrodeless batteries.

[0037] The beneficial effects achieved by the above technical solution are: the electrochemical path of the present electrodeless battery is the shortest, which can effectively reduce the comprehensive internal resistance, reduce heat generation, and has the advantage of being easy to use in the CTC structure; in addition, the present electrodeless battery can be effectively connected in series to form a electrodeless battery array, which is easy to use; in addition, the present electrodeless battery is suitable for the CTC structure, and its mechanical structure matching degree with the requirements of CTC is better than that of existing batteries, such as: Tesla 4680 battery, BYD's blade battery, Ningde Kirin battery or Great Wall's Dragon Scale Armor and other existing power batteries, and its electrical performance is comparable to Tesla 4680-type full-pole ear battery, especially with the beneficial effects of rapid battery replacement and maintenance without disassembling the vehicle body. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] FIG1 is an exploded view of a polarless battery according to a specific embodiment.

[0039] FIG2 is a schematic diagram of the structure of the non-polar battery and the contact electrode rail according to the specific embodiment.

[0040] FIG3 is a schematic diagram of the contact electrode rail structure according to a specific embodiment.

[0041] FIG4 is a schematic diagram of the structure of the non-polar battery array according to a specific embodiment.

[0042] FIG5 is a schematic diagram of a structure of several polarity-free batteries connected in series according to a specific embodiment.

[0043] FIG6 is an exploded view of a CTC structure based on a non-polar battery according to a specific embodiment.

[0044] FIG7 is a partial cross-sectional view of the CTC structure based on the non-polar battery described in the specific embodiment.

[0045] Explanation of the accompanying numbers: 100 is a non-polar battery; 101 is a positive electrode; 102 is a battery shell; 103 is a negative electrode; 104 is a battery cell; 105 is a battery cell insulating film; 106 is the lead-out edge of the positive electrode sheet; 107 is the lead-out edge of the negative electrode sheet; 108 is a pressure relief port; 200 is a contact electrode guide rail; 201 is the two sides; 202 is a limit grid; 203 is an elastic contact electrode; 301 is a vehicle chassis; 302 is a chassis upper cover; 303 is a vertical structural member; 304 is a horizontal structural member; 305 is a chassis side cover; 306 is a non-polar battery array; 307 is a side battery extraction port. DETAILED DESCRIPTION

[0046] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0047] As shown in Figures 1 and 2, embodiment 1 is a non-polar battery 100, comprising a battery casing 102, a battery cell 104 and a battery cell insulating film 105; a positive electrode sheet lead-out edge 106 and a negative electrode sheet lead-out edge 107 are respectively provided on the upper and lower sides along the height direction of the battery cell, and the battery cell insulating film is wrapped around the outside of the battery cell 104; the battery casing comprises a positive electrode 101, a shell and a negative electrode 103, the positive and negative electrodes are fixedly connected to the shell in an electrically insulated manner, the shell is provided with a pressure relief port 108, and the battery cell wrapped with the battery cell insulating film 105 is placed in the shell; the positive electrode sheet lead-out edge 106 of the battery cell is electrically connected as a whole, and the negative electrode sheet lead-out edge 107 of the battery cell is electrically connected as a whole; the positive electrode sheet lead-out edge 106 is electrically connected to the positive electrode of the non-polar battery, and the negative electrode sheet lead-out edge 107 is electrically connected to the negative electrode of the non-polar battery; lead-out terminals are no longer provided on the positive and negative electrodes of the non-polar battery, and the battery leads out electrical energy through the contact electrode rails.

[0048] As a preferred embodiment of this embodiment 1, the length direction dimension of the non-polar battery is the first dimension, the height direction is the second dimension, and the thickness direction is the third dimension. The first dimension is 300-4000mm, the second dimension is 30-500mm, and the third dimension is 10-300mm.

[0049] As a preferred embodiment of this embodiment 1, the battery cell is a laminated battery cell with a long cubic structure, the lead-out edge of the positive electrode sheet protrudes 2-20 mm from the upper edge of the battery cell, and the lead-out edge of the negative electrode sheet protrudes 2-20 mm from the lower edge of the battery cell.

[0050] As a preferred embodiment of this embodiment 1, the battery cell is a wound battery cell with an elongated elliptical structure, the leading edge of the positive electrode sheet protrudes from the upper edge of the battery cell by 2-20 mm, and the leading edge of the negative electrode sheet protrudes from the lower edge of the battery cell by 2-20 mm.

[0051] In a preferred embodiment of this embodiment 1, the positive and negative electrodes of the non-polar battery are arranged on a plane formed by the height direction Y and the direction Z, and the positive and negative electrodes are fixedly installed on the non-polar battery casing to be electrically insulated; the positive electrode is connected to the positive electrode sheet of the battery cell by means of an L-shaped electrode connecting plate, and the negative electrode is connected to the negative electrode sheet of the battery cell by means of an L-shaped electrode connecting plate.

[0052] In a preferred embodiment of this embodiment 1, the positive and negative electrodes of the polar battery are arranged on a plane formed by the height direction Y and the direction Z, and the positive and negative electrodes are fixedly installed with the polar battery shell to be electrically insulated; the positive electrode is connected to the positive electrode sheet of the battery cell with the help of an L-shaped electrode connecting plate, and the negative electrode is connected to the negative electrode sheet of the battery cell with the help of an L-shaped electrode connecting plate; the positive and negative electrodes are sheet electrodes, and the sheet electrodes extend out of the shell in a horizontal direction.

[0053] In a preferred embodiment of this embodiment 1, the positive and negative electrodes of the polar battery are arranged on a plane formed by the height direction Y and the direction Z, and the positive and negative electrodes are fixedly installed to the polar battery shell to be electrically insulated; the positive electrode is connected to the positive electrode sheet of the battery cell by means of an L-shaped electrode connecting plate, and the negative electrode is connected to the negative electrode sheet of the battery cell by means of an L-shaped electrode connecting plate; the positive and negative electrodes are sheet electrodes, and the sheet electrodes extend out of the shell in a vertical direction.

[0054] In a preferred embodiment of this embodiment 1, the positive and negative electrodes of the polar battery are arranged on a plane formed by the height direction Y and the direction Z, and the positive and negative electrodes are fixedly installed with the polar battery shell to be electrically insulated; the positive electrode is connected to the positive electrode sheet of the battery cell with the help of an L-shaped electrode connecting plate, and the negative electrode is connected to the negative electrode sheet of the battery cell with the help of an L-shaped electrode connecting plate; the positive and negative electrodes are cylindrical electrodes, and the cylindrical electrodes extend out of the shell in a horizontal direction.

[0055] In a preferred embodiment of this embodiment 1, the positive and negative electrodes of the non-polar battery are arranged on the upper and lower sides of the plane formed by the length direction X and the direction Y, and the positive and negative electrodes are fixedly installed with the non-polar battery casing to be electrically insulated; the positive electrode is connected to the positive electrode sheet of the battery cell by means of an L-shaped electrode connecting plate, and the negative electrode is connected to the negative electrode sheet of the battery cell by means of an L-shaped electrode connecting plate.

[0056] In a preferred embodiment of this embodiment 1, the positive and negative electrodes of the polar battery are respectively arranged on the upper or lower side of the two side planes formed by the length direction X and the direction Y, and the positive and negative electrodes are fixedly installed with the outer shell of the polar battery to be electrically insulated; the positive electrode is connected to the positive electrode sheet of the battery cell by means of an L-shaped electrode connecting plate, and the negative electrode is connected to the negative electrode sheet of the battery cell by means of an L-shaped electrode connecting plate.

[0057] As a preferred embodiment of the present embodiment 1, the non-polar battery is a liquid electrolyte battery, a solid electrolyte battery, a solid-liquid hybrid battery or a condensed state battery.

[0058] As a preferred embodiment of the present embodiment 1, the battery cell is formed by connecting a plurality of identical battery cells in series. The identical battery cells herein refer to battery cells having the same mechanical structure and electrical parameters.

[0059] As shown in Figures 3, 4 and 5, implementation scheme 2 is a polar battery array, including polar batteries and contact electrode rails 200, and two adjacent polar batteries are electrically connected through the contact electrode rails; the cross-section of the contact electrode rail is "E"-shaped, and a number of elastic contact electrodes 203 are respectively provided on the bottom and the inner sides of the two sides 201 of the contact electrode rail, and a limiting grid 202 is set between the two contact electrodes at the bottom, and the limiting grid constrains the fixed interval between the polar batteries; the polar batteries of the array are slidably inserted between the contact electrode rails on the upper and lower sides of the polar batteries to achieve electrical connection and mechanical fixation of the polar batteries.

[0060] As shown in Figures 6 and 7, the CTC structure of the polarity battery of Implementation Option 3 includes a vehicle chassis 301, a chassis upper cover 302, a chassis side cover 305, a polarity battery array 306 and a contact electrode guide rail; the vehicle chassis and the chassis upper cover are respectively provided with vertical structural members 303 and horizontal structural members 304, and the vertical structural members and horizontal structural members divide the vehicle chassis and the chassis upper cover into several battery compartments, and the battery compartments are respectively provided with the polarity battery array; the vertical structural members and / or horizontal structural members are provided with cooling and heat dissipation systems and sensors, and a system control module is provided on the upper surface of the vertical structural member of the vehicle chassis, and the system control module is electrically connected to the polarity battery and the sensor through the contact electrode guide rail, and the polarity battery is monitored, monitored and managed by the system control module; the contact electrode guide rail is provided on the inner side of the vehicle chassis and the chassis upper cover to form a fixed installation position for the polarity battery array.

[0061] As a preferred embodiment of the CTC structure of the polar battery of Implementation Option 3, the positive and negative electrodes of the polar battery are arranged on the plane formed by the height direction Y and the direction Z, and the positive and negative electrodes are fixedly installed on the polar battery casing to be electrically insulated; the positive electrode is connected to the positive electrode sheet of the battery cell by means of an L-shaped electrode connecting plate, and the negative electrode is connected to the negative electrode sheet of the battery cell by means of an L-shaped electrode connecting plate.

[0062] As a preferred embodiment of the CTC structure of the polar battery of Implementation Option 3, the positive and negative electrodes of the polar battery are arranged on the plane formed by the height direction Y and the direction Z, and the positive and negative electrodes are fixedly installed with the polar battery shell to be electrically insulated; the positive electrode is connected to the positive electrode sheet of the battery cell with the help of an L-shaped electrode connecting plate, and the negative electrode is connected to the negative electrode sheet of the battery cell with the help of an L-shaped electrode connecting plate; the positive and negative electrodes are sheet electrodes, and the sheet electrodes extend out of the shell in the horizontal direction.

[0063] As a preferred embodiment of the CTC structure of the polar battery of Implementation Option 3, the positive and negative electrodes of the polar battery are arranged on the plane formed by the height direction Y and the direction Z, and the positive and negative electrodes are fixedly installed with the polar battery shell to be electrically insulated; the positive electrode is connected to the positive electrode sheet of the battery cell with the help of an L-shaped electrode connecting plate, and the negative electrode is connected to the negative electrode sheet of the battery cell with the help of an L-shaped electrode connecting plate; the positive and negative electrodes are sheet electrodes, and the sheet electrodes extend out of the shell in a vertical direction.

[0064] As a preferred embodiment of the CTC structure of the polar battery of Implementation Option 3, the positive and negative electrodes of the polar battery are arranged on the plane formed by the height direction Y and the direction Z, and the positive and negative electrodes are fixedly installed with the polar battery shell to be electrically insulated; the positive electrode is connected to the positive electrode sheet of the battery cell with the help of an L-shaped electrode connecting plate, and the negative electrode is connected to the negative electrode sheet of the battery cell with the help of an L-shaped electrode connecting plate; the positive and negative electrodes are cylindrical electrodes, and the cylindrical electrodes extend out of the shell in the horizontal direction.

[0065] As a preferred embodiment of the CTC structure of the polar battery of Implementation Option 3, the positive and negative electrodes of the polar battery are arranged on the upper and lower sides of the plane formed by the length direction X and the direction Y, and the positive and negative electrodes are fixedly installed on the polar battery casing to be electrically insulated; the positive electrode is connected to the positive electrode sheet of the battery cell by means of an L-shaped electrode connecting plate, and the negative electrode is connected to the negative electrode sheet of the battery cell by means of an L-shaped electrode connecting plate.

[0066] As a preferred embodiment of the CTC structure of the polar battery of Implementation Option 3, the positive and negative electrodes of the polar battery are respectively arranged on the upper or lower side of the two side planes formed by the length direction X and the direction Y, and the positive and negative electrodes are fixedly installed with the outer shell of the polar battery to be electrically insulated; the positive electrode is connected to the positive electrode sheet of the battery cell by means of an L-shaped electrode connecting plate, and the negative electrode is connected to the negative electrode sheet of the battery cell by means of an L-shaped electrode connecting plate.

[0067] As a preferred embodiment of this embodiment 3, there are 2 or 4 or 6 or 8 battery compartments, and the battery compartments are provided with the aforementioned polarityless battery arrays; the outer sides of all battery compartments of the vehicle chassis are provided with side battery extraction ports 307 for observing and replacing batteries during maintenance; the polarityless battery arrays in 2 or 4 or 6 or 8 battery compartments are connected in series in sequence to form a high-voltage polarityless battery array.

[0068] As a preferred CTC structure based on a non-polar battery, the positive electrode and the negative electrode of the non-polar battery are arranged on the same side in the height direction.

[0069] As a preferred CTC structure based on a non-polar battery, the positive electrode and the negative electrode of the non-polar battery are arranged on the upper and lower sides of the same side in the longitudinal direction of the battery.

[0070] As a preferred CTC structure based on a non-polar battery, the positive electrode and the negative electrode of the non-polar battery are respectively arranged on the upper side or the lower side of the two side surfaces in the longitudinal direction of the battery.

[0071] As an electric vehicle of this embodiment 4, its power system is any one of the above-mentioned CTC structures based on the non-polar battery and any one of the above-mentioned non-polar batteries.

[0072] An energy storage system or electrical device according to Embodiment 5 includes a power battery, which is any of the aforementioned polarless batteries.

[0073] It should be noted that although the above embodiments have been described herein, this does not limit the scope of patent protection of the present invention. Therefore, based on the innovative concept of the present invention, changes and modifications to the embodiments described herein, or equivalent structural or equivalent process transformations made using the contents of the present invention's specification and drawings, and direct or indirect application of the above technical solutions to other related technical fields, are all included in the scope of patent protection of the present invention.

Claims

1. A non-polar battery, characterized in that: include: A battery casing, a battery cell and a battery cell insulating film; a positive electrode sheet lead-out edge and a negative electrode sheet lead-out edge are respectively provided on the upper and lower sides along the height direction of the battery cell, and the battery cell insulating film is wrapped around the outer side of the battery cell; the battery casing comprises a positive electrode at the top, a shell and a negative electrode at the bottom, the positive electrode and the negative electrode are fixedly connected to the shell in an electrically insulating manner, the shell is provided with a pressure relief port, and the battery cell wrapped with the battery cell insulating film is placed in the shell; the positive electrode sheet lead-out edge of the battery cell is electrically connected as a whole, and the negative electrode sheet lead-out edge of the battery cell is electrically connected as a whole; the positive electrode sheet lead-out edge is electrically connected to the positive electrode of the polarless battery, and the negative electrode sheet lead-out edge is electrically connected to the negative electrode of the polarless battery; lead-out terminals are no longer provided on the positive and negative electrodes of the polarless battery, and the battery leads out electrical energy through contact electrode rails.

2. The electrodeless battery according to claim 1, characterized in that: The length direction X dimension of the electrodeless battery is a first dimension, the height direction Y is a second dimension, and the thickness direction Z is a third dimension. The first dimension X is 300-4000mm, the second dimension Y is 30-500mm, and the third dimension Z is 10-300mm.

3. The electrodeless battery according to claim 1, characterized in that: The battery cell is a laminated battery cell with an elongated cubic structure. The lead-out edge of the positive electrode sheet protrudes from the upper edge of the battery cell by 2-20 mm, and the lead-out edge of the negative electrode sheet protrudes from the lower edge of the battery cell by 2-20 mm.

4. The electrodeless battery according to claim 1, characterized in that: The battery cell is a wound battery cell with an elongated elliptical structure. The lead-out edge of the positive electrode sheet protrudes from the upper edge of the battery cell by 2-20 mm, and the lead-out edge of the negative electrode sheet protrudes from the lower edge of the battery cell by 2-20 mm.

5. The electrodeless battery according to any one of claims 1 to 4, characterized in that: The positive and negative electrodes of the non-polar battery are arranged on a plane formed by the height direction Y and the thickness direction Z, and the positive and negative electrodes are fixedly installed on the non-polar battery casing to be electrically insulated; the positive electrode is connected to the positive electrode sheet of the battery cell by means of an L-shaped electrode connecting plate, and the negative electrode is connected to the negative electrode sheet of the battery cell by means of an L-shaped electrode connecting plate.

6. The electrodeless battery according to any one of claims 1 to 4, characterized in that: The positive and negative electrodes of the polar battery are arranged on a plane formed by the height direction Y and the thickness direction Z, and the positive and negative electrodes are fixedly installed on the polar battery shell to be electrically insulated; the positive electrode is connected to the positive electrode sheet of the battery cell by means of an L-shaped electrode connecting plate, and the negative electrode is connected to the negative electrode sheet of the battery cell by means of an L-shaped electrode connecting plate; the positive and negative electrodes are sheet electrodes, and the sheet electrodes extend out of the shell in a horizontal direction.

7. The electrodeless battery according to any one of claims 1 to 4, characterized in that: The positive and negative electrodes of the polar battery are arranged on a plane formed by the height direction Y and the thickness direction Z, and the positive and negative electrodes are fixedly installed on the polar battery shell to be electrically insulated; the positive electrode is connected to the positive electrode sheet of the battery cell by means of an L-shaped electrode connecting plate, and the negative electrode is connected to the negative electrode sheet of the battery cell by means of an L-shaped electrode connecting plate; the positive and negative electrodes are sheet electrodes, and the sheet electrodes extend out of the shell in a vertical direction.

8. The electrodeless battery according to any one of claims 1 to 4, characterized in that: The positive and negative electrodes of the polar battery are arranged on a plane formed by the height direction Y and the thickness direction Z, and the positive and negative electrodes are fixedly installed with the polar battery shell to be electrically insulated; the positive electrode is connected to the positive electrode sheet of the battery cell by means of an L-shaped electrode connecting plate, and the negative electrode is connected to the negative electrode sheet of the battery cell by means of an L-shaped electrode connecting plate; the positive and negative electrodes are cylindrical electrodes, and the cylindrical electrodes extend out of the shell in a horizontal direction.

9. The electrodeless battery according to any one of claims 1 to 4, characterized in that: The positive and negative electrodes of the non-polar battery are arranged on the upper and lower sides of the plane formed by the length direction X and the height direction Y, and the positive and negative electrodes are fixedly installed with the non-polar battery casing to be electrically insulated; the positive electrode is connected to the positive electrode sheet of the battery cell by means of an L-shaped electrode connecting plate, and the negative electrode is connected to the negative electrode sheet of the battery cell by means of an L-shaped electrode connecting plate.

10. The electrodeless battery according to any one of claims 1 to 4, characterized in that: The positive electrode and negative electrode of the polar battery are respectively arranged on the upper or lower side of the two side planes formed by the length direction X and the height direction Y, and the positive electrode and the negative electrode are fixedly installed with the outer shell of the polar battery for electrical insulation; the positive electrode is connected to the positive electrode sheet of the battery cell by means of an L-shaped electrode connecting plate, and the negative electrode is connected to the negative electrode sheet of the battery cell by means of an L-shaped electrode connecting plate.

11. The electrodeless battery according to any one of claims 1 to 4, characterized in that: The non-polar battery is a liquid electrolyte battery, a solid electrolyte battery, a solid-liquid mixed battery, or a condensed battery.

12. The electrodeless battery according to any one of claims 1 to 4, characterized in that: The battery cell is formed by connecting a plurality of identical battery cells in series. The identical battery cells here refer to the battery cells having the same mechanical structure and electrical parameters.

13. A non-polar battery array, characterized in that: include: The polar battery and contact electrode rail described in any one of claims 1 to 4, two adjacent polar batteries are electrically connected through the contact electrode rail; the cross-section of the contact electrode rail is "E"-shaped, and a plurality of elastic contact electrodes are respectively provided at the bottom and the inner sides of the two sides of the contact electrode rail, and a limit grid is provided between the two contact electrodes at the bottom, and the limit grid constrains the fixed interval between the polar batteries; the array of polar batteries is slidably inserted between the contact electrode rails on the upper and lower sides of the polar batteries to achieve electrical connection and mechanical fixation of the polar batteries.

14. A CTC structure based on a non-polar battery, characterized in that: include: A vehicle chassis, a chassis upper cover, a chassis side cover, the non-polar battery array as claimed in claim 13 and a contact electrode guide rail; the vehicle chassis and the chassis upper cover are respectively provided with vertical structural members and horizontal structural members, the vertical structural members and the horizontal structural members divide the vehicle chassis and the chassis upper cover into a number of battery compartments, each of which is provided with the non-polar battery array; the vertical structural members and / or the horizontal structural members are provided with a cooling and heat dissipation system and a sensor, a system control module is provided on the upper surface of the vertical structural member of the vehicle chassis, the system control module is electrically connected to the non-polar battery and the sensor through the contact electrode guide rail, and the non-polar battery is monitored, monitored and managed by the system control module; the contact electrode guide rail is arranged on the inner side of the vehicle chassis and the chassis upper cover to form a fixed installation position for the non-polar battery array.

15. The CTC structure based on the non-polar battery according to claim 14, characterized in that: The positive and negative electrodes of the non-polar battery are arranged on a plane formed by the height direction Y and the thickness direction Z, and the positive and negative electrodes are fixedly installed on the non-polar battery casing to be electrically insulated; the positive electrode is connected to the positive electrode sheet of the battery cell by means of an L-shaped electrode connecting plate, and the negative electrode is connected to the negative electrode sheet of the battery cell by means of an L-shaped electrode connecting plate.

16. The CTC structure based on the non-polar battery according to claim 14, characterized in that: The positive and negative electrodes of the polar battery are arranged on a plane formed by the height direction Y and the thickness direction Z, and the positive and negative electrodes are fixedly installed on the polar battery shell to be electrically insulated; the positive electrode is connected to the positive electrode sheet of the battery cell by means of an L-shaped electrode connecting plate, and the negative electrode is connected to the negative electrode sheet of the battery cell by means of an L-shaped electrode connecting plate; the positive and negative electrodes are sheet electrodes, and the sheet electrodes extend out of the shell in a horizontal direction.

17. The CTC structure based on the non-polar battery according to claim 14, characterized in that: The positive and negative electrodes of the polar battery are arranged on a plane formed by the height direction Y and the thickness direction Z, and the positive and negative electrodes are fixedly installed on the polar battery shell to be electrically insulated; the positive electrode is connected to the positive electrode sheet of the battery cell by means of an L-shaped electrode connecting plate, and the negative electrode is connected to the negative electrode sheet of the battery cell by means of an L-shaped electrode connecting plate; the positive and negative electrodes are sheet electrodes, and the sheet electrodes extend out of the shell in a vertical direction.

18. The CTC structure based on the non-polar battery according to claim 14, characterized in that: The positive and negative electrodes of the polar battery are arranged on a plane formed by the height direction Y and the thickness direction Z, and the positive and negative electrodes are fixedly installed with the polar battery shell to be electrically insulated; the positive electrode is connected to the positive electrode sheet of the battery cell by means of an L-shaped electrode connecting plate, and the negative electrode is connected to the negative electrode sheet of the battery cell by means of an L-shaped electrode connecting plate; the positive and negative electrodes are cylindrical electrodes, and the cylindrical electrodes extend out of the shell in a horizontal direction.

19. The CTC structure based on the non-polar battery according to claim 14, characterized in that: The positive and negative electrodes of the non-polar battery are arranged on the upper and lower sides of the plane formed by the length direction X and the height direction Y, and the positive and negative electrodes are fixedly installed with the non-polar battery casing to be electrically insulated; the positive electrode is connected to the positive electrode sheet of the battery cell by means of an L-shaped electrode connecting plate, and the negative electrode is connected to the negative electrode sheet of the battery cell by means of an L-shaped electrode connecting plate.

20. The CTC structure based on the non-polar battery according to claim 14, characterized in that: The positive electrode and negative electrode of the polar battery are respectively arranged on the upper or lower side of the two side planes formed by the length direction X and the height direction Y, and the positive electrode and the negative electrode are fixedly installed with the outer shell of the polar battery for electrical insulation; the positive electrode is connected to the positive electrode sheet of the battery cell by means of an L-shaped electrode connecting plate, and the negative electrode is connected to the negative electrode sheet of the battery cell by means of an L-shaped electrode connecting plate.

21. The CTC structure based on a non-polar battery according to any one of claims 14 to 20, characterized in that: There are 2, 4, 6 or 8 battery compartments, and the battery compartments are provided with the polarityless battery array; the outer sides of all battery compartments of the vehicle chassis are provided with side battery extraction ports for observing and replacing batteries during maintenance; the polarityless battery arrays in 2, 4, 6 or 8 battery compartments are connected in series in sequence to form a high-voltage polarityless battery array.

22. An electric vehicle, characterized in that: Its power system is the CTC structure based on the non-polar battery described in one of claims 14 to 21 and the non-polar battery described in one of claims 1-12.

23. An energy storage system or an electrical device, characterized in that: It comprises a power battery, wherein the power battery is the electrodeless battery as described in any one of claims 1-12.

Images