Energy storage power supply module structure and assembling method

Abstract

The invention discloses an energy storage power supply module structure and an assembling method, and relates to the technical field of energy storage power supplies, the energy storage power supply module structure comprises a module framework, a plurality of super capacitor modules, a positive electrode connecting bar, a middle connecting bar and a negative electrode connecting bar, the module framework is internally provided with an accommodating cavity, and the module framework is provided with a positive electrode interface and a negative electrode interface; the plurality of super-capacitor modules are located in the accommodating cavity, each super-capacitor module comprises at least one super-capacitor monomer, all the positive pole columns of the same super-capacitor module are arranged on the same side, and all the super-capacitor monomers are distributed in an array; the positive electrode connecting bar is connected to the positive electrode interface and all positive electrode posts of one super capacitor module; the middle connecting bar is connected to the negative pole of the previous super capacitor module and the positive pole of the next super capacitor module; and the negative electrode connecting bar is connected to the negative electrode interface and all negative electrode posts of the last super capacitor module. The series-parallel flexible configuration of monomers in the module is realized, and the applicability of the energy storage power supply module is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of energy storage power supply, in particular to an energy storage power supply module structure and an assembling method. BACKGROUND

[0002] An energy storage power supply system (such as a lithium battery, a super capacitor, a lithium ion capacitor and a battery capacitor) is composed of a large number of energy storage units in series and parallel connection. In order to improve the operation convenience and modular design, the energy storage units are often first integrated into an energy storage power supply module (or an energy storage pack) through a certain series and parallel connection, and then the modules are connected in series to form a complete energy storage power supply system.

[0003] However, the requirements for energy storage power supply are quite different among different vehicle models and projects in the current rail transit field, so the series and parallel configuration of the units in the energy storage power supply module mostly needs to be customized and developed according to the specific project space size, power, voltage and current requirements, and the universality among projects is low, and the research and development, production and manufacturing and test verification costs are high.

[0004] Therefore, how to realize the flexible configuration of the series and parallel of the units inside the module to improve the applicability of the energy storage power supply module is a technical problem to be solved by the person skilled in the art at present. SUMMARY

[0005] The purpose of the present application is to provide an energy storage power supply module structure and an assembling method, which can realize the flexible configuration of the series and parallel of the units inside the module to improve the applicability of the energy storage power supply module.

[0006] To achieve the above-mentioned purpose, the present application provides an energy storage power supply module structure, comprising:

[0007] A module skeleton is internally provided with a containing cavity, and the module skeleton is provided with a positive electrode interface and a negative electrode interface;

[0008] A plurality of super capacitor modules are located in the containing cavity, and each super capacitor module comprises at least one super capacitor unit, the positive electrode pole and the negative electrode pole of the super capacitor unit are located on the opposite sides of the super capacitor unit, and all the positive electrode poles of the same super capacitor module are arranged on the same side, and all the super capacitor units are arrayed;

[0009] A positive electrode connecting row is connected to the positive electrode interface and all the positive electrode poles of one super capacitor module;

[0010] An intermediate connecting row is connected to the negative electrode pole of the previous super capacitor module and the positive electrode pole of the next super capacitor module adjacent thereto, and the number of the intermediate connecting rows is multiple, so that multiple groups of super capacitor modules are connected in series;

[0011] A negative electrode connecting row is connected to the negative electrode interface and all the negative electrode poles of the last super capacitor module.

[0012] In a possible implementation, the intermediate connection row is provided with through holes for the positive or negative pole to pass through, and the number of through holes is twice the number of super capacitor cells in the same super capacitor module.

[0013] In a possible implementation, the module skeleton comprises:

[0014] a first heat sink on one side of the super capacitor cell;

[0015] a second heat sink on the other side of the super capacitor cell;

[0016] two side plates, each connected to the first heat sink and the second heat sink, and the two side plates are parallel to each other and form a through cavity with the first heat sink and the second heat sink;

[0017] a bottom plate connected to the side plates, the first heat sink and the second heat sink, and used for sealing one end of the cavity;

[0018] a top cover plate connected to the side plates, the first heat sink and the second heat sink, and used for sealing the other end of the cavity to form a containing cavity.

[0019] In a possible implementation, the first heat sink is provided with a first heat-conducting silica gel on the side facing the super capacitor cell, and the first heat-conducting silica gel is used to separate the first heat sink and the super capacitor cell.

[0020] In a possible implementation, the second heat sink is provided with a second heat-conducting silica gel on the side facing the super capacitor cell, and the second heat-conducting silica gel is used to separate the second heat sink and the super capacitor cell.

[0021] In a possible implementation, the top cover plate is provided with a voltage balancing unit, and the voltage balancing unit is connected to the positive connection row, the negative connection row and the intermediate connection row through wires.

[0022] In a possible implementation, there is a first gap between the intermediate connection row between the first heat sink and the super capacitor cell;

[0023] and / or, there is a second gap between the intermediate connection row between the second heat sink and the super capacitor cell.

[0024] In a possible implementation, the positive interface and the negative interface are located on the outside of the top cover plate.

[0025] In a possible implementation, the connection between the positive connection row and the positive pole is welding;

[0026] The connection between the intermediate connection row and the positive pole, and the connection between the intermediate connection row and the negative pole are both welding;

[0027] The connection mode between the negative electrode connecting row and the negative electrode pole is welding.

[0028] Based on the above, the application further provides an assembling method of the energy storage power supply module structure, which is suitable for the energy storage power supply module structure of any of the above embodiments, and the assembling method comprises the following steps of:

[0029] Distributing all the super capacitor cell arrays in the plurality of super capacitor modules in the accommodating cavity of the module framework, and setting all the positive electrode poles in the same super capacitor module on the same side;

[0030] Connecting the intermediate connecting row to the negative electrode pole of the previous super capacitor module and the positive electrode pole of the next super capacitor module adjacent thereto, until the first super capacitor module and the last super capacitor module are connected in series one by one;

[0031] Connecting the positive electrode connecting row connected to the positive electrode interface to all the positive electrode poles of the first super capacitor module;

[0032] Connecting the negative electrode connecting row connected to the negative electrode interface to all the negative electrode poles of the last super capacitor module, and completing the series connection of the plurality of super capacitor modules.

[0033] Compared with the prior art, the technical scheme provided by the application has at least the following beneficial effects:

[0034] Specifically, the super capacitor cell arrays are distributed in the accommodating cavity of the module framework, the positive electrode pole and the negative electrode pole of the super capacitor cell are located on the opposite sides of the super capacitor cell, the super capacitor cells are grouped to form a plurality of super capacitor modules according to the series-parallel connection needs, all the positive electrode poles of the same super capacitor module are set on the same side, the intermediate connecting row is connected to the negative electrode pole of the previous super capacitor module and the positive electrode pole of the next super capacitor module adjacent thereto, so that the plurality of groups of super capacitor modules are connected in series, the positive electrode connecting row is connected to the positive electrode interface and all the positive electrode poles of the first super capacitor module, and the negative electrode connecting row is connected to the negative electrode interface and all the negative electrode poles of the last super capacitor module, the external interfaces of the super capacitor module are consistent, the compatibility and interchangeability of different projects can be realized, the research and development cycle is shortened, the research and development cost is reduced, and the stability of the product is improved; the flexible selection of the intermediate connecting row in combination with the different series-parallel needs of the energy storage power supply module realizes the flexible configuration of the series-parallel connection of the cells in the energy storage power supply module under the same space, so as to improve the applicability of the energy storage power supply module. BRIEF DESCRIPTION OF DRAWINGS

[0035] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, 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 embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0036] Figure 1 This is a schematic diagram of the energy storage power module structure provided in Embodiment 4 of the present invention;

[0037] Figure 2 for Figure 1 Sectional view along the middle AA;

[0038] Figure 3 This is a schematic diagram of the energy storage power module structure provided in Embodiment 1 of the present invention;

[0039] Figure 4 for Figure 3 A sectional view along the middle edge BB;

[0040] Figure 5 for Figure 3 A sectional view along the center CC;

[0041] Figure 6 This is a schematic diagram of the energy storage power module structure provided in Embodiment 2 of the present invention;

[0042] Figure 7 for Figure 6 A sectional view along the middle DD;

[0043] Figure 8 for Figure 6 A sectional view along the middle of EE;

[0044] Figure 9 This is a schematic diagram of the energy storage power module structure provided in Embodiment 3 of the present invention;

[0045] Figure 10 for Figure 9 Sectional view along the middle FF;

[0046] Figure 11 for Figure 9 A cross-sectional view along the middle section GG;

[0047] Figure 12 This is a schematic diagram of the energy storage power module structure provided in Embodiment 5 of the present invention;

[0048] Figure 13 for Figure 12 A cross-sectional view along the middle HH;

[0049] Figure 14 forFigure 12 A cross-sectional view along the middle JJ;

[0050] Figure 15 This is a schematic diagram of the energy storage power module structure provided in Embodiment Six of the present invention;

[0051] Figure 16 for Figure 15 A cross-sectional view along the middle KK;

[0052] Figure 17 for Figure 15 A cross-sectional view along the middle LL.

[0053] in:

[0054] 100-Module skeleton, 110-Accommodation cavity, 120-First heat sink, 130-Second heat sink, 140-Side plate, 150-Bottom plate, 160-Top cover plate, 170-Voltage balancing unit;

[0055] 200-Supercapacitor Single Unit;

[0056] 300-Positive terminal block;

[0057] 400 - Intermediate Connector Row;

[0058] 500-Negative terminal connector. Detailed Implementation

[0059] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0060] To enable those skilled in the art to better understand the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0061] In the description of this invention, it should be understood that the terms "top," "bottom," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the position or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations of this invention.

[0062] The purpose of this invention is to provide an energy storage power module structure and assembly method that enables flexible configuration of individual units in series and parallel within the module, thereby improving the applicability of the energy storage power module.

[0063] Please seeFigure 1 and Figure 2 To achieve the above objectives, the present invention provides an energy storage power module structure, including a module frame 100, multiple supercapacitor modules, a positive terminal connection bar 300, an intermediate connection bar 400, and a negative terminal connection bar 500. The module frame 100 has an internal receiving cavity 110, a positive terminal interface, and a negative terminal interface. A fixing plate is provided within the receiving cavity 110, and the fixing plate has an array of fixing positions for fixing the supercapacitor cells 200 described below. Multiple supercapacitor modules are located within the receiving cavity 110. Each supercapacitor module includes at least one supercapacitor cell 200. The positive and negative terminals of the supercapacitor cell 200 are located on opposite sides of the supercapacitor cell 200, with all positive terminals of the same supercapacitor module arranged on the same side. All supercapacitor cells 200 are distributed in an array.

[0064] A positive terminal connector 300 connects to the positive terminal interface and all positive terminals of a supercapacitor module. The connection between the positive terminal connector 300 and the positive terminals can be, but is not limited to, laser welding. An intermediate connector 400 has through holes for positive or negative terminals to pass through. The number of through holes is twice the number of supercapacitor cells 200 in the same supercapacitor module. The intermediate connector 400 connects to the negative terminals of the preceding supercapacitor module and the positive terminals of the next adjacent supercapacitor module. Multiple intermediate connectors 400 are used to connect multiple supercapacitor modules in series. The connection between the intermediate connector 400 and the positive terminals, and between the intermediate connector 400 and the negative terminals, can be, but is not limited to, laser welding. A negative terminal connector 500 connects to the negative terminal interface and all negative terminals of the last supercapacitor module. The connection between the negative terminal connector 500 and the negative terminals can be, but is not limited to, laser welding.

[0065] The supercapacitor cells 200 are arrayed within the cavity 110 of the module frame 100. The positive and negative terminals of each supercapacitor cell 200 are located on opposite sides of the cell. The supercapacitor cells 200 are grouped to form multiple supercapacitor modules according to series / parallel connection requirements. All positive terminals of the same supercapacitor module are positioned on the same side. A central connecting bar 400 connects the negative terminal of the preceding supercapacitor module to the positive terminal of the next adjacent supercapacitor module, thus connecting multiple groups of supercapacitor modules in series. The positive terminals are connected via... Connector 300 connects to the positive interface and all positive terminals of the first supercapacitor module, and connects to the negative interface and all negative terminals of the last supercapacitor module via negative connector 500. The supercapacitor modules have consistent external interfaces, enabling compatibility and interchangeability for different projects, shortening the R&D cycle, reducing R&D costs, and improving product stability. The flexible selection of intermediate connector 400, combined with the different series and parallel requirements of the energy storage power module, allows for flexible configuration of individual units in series and parallel within the same space, thereby improving the applicability of the energy storage power module.

[0066] In this embodiment, by adjusting the arrangement of the positive and negative terminals of the supercapacitor cell 200, and combining the adaptive adjustments of the intermediate connection row 400, positive connection row 300, and negative connection row 500, and based on the maximum single-cell space utilization, taking a supercapacitor cell 200 with a quantity of 40 and an array arrangement of 5 rows and 8 columns as an example, it is possible to achieve super power module configurations in series and parallel modes such as 1 parallel 40 series, 2 parallel 20 series, 4 parallel 10 series, 5 parallel 8 series, 8 parallel 5 series, and 10 parallel 4 series.

[0067] Please see Figure 3 , Figure 4 and Figure 5 In Example 1, when a supercapacitor module configuration of 1 parallel and 40 series is required, each supercapacitor cell 200 is regarded as a supercapacitor module, that is, each supercapacitor module includes only one supercapacitor cell 200. The supercapacitor cells 200 in each row can be placed in opposite directions. The intermediate connecting row 400 can adopt a rectangular structure. Thirty-nine intermediate connecting rows 400 are set to connect the negative terminal of the previous supercapacitor cell 200 to the positive terminal of the next adjacent supercapacitor cell 200. The positive connecting row 300 is connected to the positive terminal and the positive terminal of the first supercapacitor cell 200. The negative connecting row 500 is connected to the negative terminal and the negative terminal of the last supercapacitor cell 200, so that multiple supercapacitor modules are connected in series.

[0068] Please see Figure 6 , Figure 7 and Figure 8In Embodiment 2, when a supercapacitor module configuration of 2 parallel and 20 series is required, each pair of supercapacitor cells 200 is considered as a supercapacitor module, that is, each supercapacitor module includes two supercapacitor cells 200. The supercapacitor cells 200 in each row can be divided into four groups, with adjacent supercapacitor modules in different groups placed face up and face down. The intermediate connecting row 400 can adopt a rectangular structure or a square structure. The rectangular structure is used to connect two adjacent supercapacitor modules in the same row, and the square structure is used to connect two adjacent supercapacitor modules in different rows. By setting nineteen intermediate connecting rows 400, the negative terminal of the previous supercapacitor module and the positive terminal of the next adjacent supercapacitor module are connected in sequence. The positive terminal connecting row 300 is connected to the positive terminal interface and all the positive terminals of the first supercapacitor module, and the negative terminal connecting row 500 is connected to the negative terminal interface and all the negative terminals of the last supercapacitor module, so that multiple groups of supercapacitor modules are connected in series.

[0069] Please see Figure 9 , Figure 10 and Figure 11 In Embodiment 3, when a supercapacitor module configuration of 4 parallel and 10 series is required, each group of four supercapacitor cells 200 is considered as a supercapacitor module, that is, each supercapacitor module includes four supercapacitor cells 200. The supercapacitor cells 200 in each row can be divided into two groups, with adjacent supercapacitor modules in different groups placed opposite each other. The intermediate connecting strip 400 can adopt a rectangular structure or a strip structure. The strip structure is used to connect two adjacent supercapacitor modules in the same row, and the rectangular structure is used to connect two adjacent supercapacitor modules in different rows. Nine intermediate connecting strips 400 are set to connect the negative terminal of the previous supercapacitor module and the positive terminal of the next supercapacitor module adjacent to it. The positive terminal connecting strip 300 is connected to the positive terminal interface and all the positive terminals of the first supercapacitor module, and the negative terminal connecting strip 500 is connected to the negative terminal interface and all the negative terminals of the last supercapacitor module, so that multiple groups of supercapacitor modules are connected in series.

[0070] Please see Figure 1 and Figure 2In Example 4, when a supercapacitor module configuration of 5 parallel and 8 series is required, each group of five supercapacitor cells 200 is considered as a supercapacitor module, that is, each supercapacitor module includes five supercapacitor cells 200. The ten supercapacitor cells 200 in each two columns can be divided into two groups. Adjacent supercapacitor modules in different groups are placed face up and face down. The intermediate connecting bar 400 can adopt a convex structure, a concave structure, or a rectangular structure. By setting seven intermediate connecting bars 400, they are connected to the negative terminal of the previous supercapacitor module and the positive terminal of the next supercapacitor module adjacent to it. The positive connecting bar 300 is connected to the positive interface and all the positive terminals of the first supercapacitor module. The negative connecting bar 500 is connected to the negative interface and all the negative terminals of the last supercapacitor module, so that multiple groups of supercapacitor modules are connected in series.

[0071] Please see Figure 12 , Figure 13 and Figure 14 In Example 5, when a supercapacitor module configuration of 8 parallel and 5 series is required, each group of eight supercapacitor cells 200 is considered as a supercapacitor module, that is, each supercapacitor module includes eight supercapacitor cells 200. The supercapacitor cells 200 in each row can be divided into groups sequentially, and adjacent supercapacitor modules in different groups are placed in opposite directions. The intermediate connecting strip 400 can adopt a rectangular structure, and the long strip structure is used to connect two adjacent supercapacitor modules in different rows. By setting five intermediate connecting strips 400 to connect the negative terminal of the previous supercapacitor module and the positive terminal of the next supercapacitor module adjacent to it, the positive terminal connecting strip 300 is connected to the positive terminal interface and all the positive terminals of the first supercapacitor module, and the negative terminal connecting strip 500 is connected to the negative terminal interface and all the negative terminals of the last supercapacitor module, so that multiple groups of supercapacitor modules are connected in series.

[0072] Please see Figure 15 , Figure 16 and Figure 17In Example 6, when a supercapacitor module configuration of 10 parallel and 4 series is required, each ten supercapacitor cells 200 are considered as a supercapacitor module, that is, each supercapacitor module includes ten supercapacitor cells 200. The ten supercapacitor cells 200 in each of the four columns can be divided into two groups. Adjacent supercapacitor modules in different groups are placed face up and face down. The intermediate connecting bar 400 can adopt a convex structure, a concave structure, or a rectangular structure. By setting three intermediate connecting bars 400, they are connected to the negative terminal of the previous supercapacitor module and the positive terminal of the next supercapacitor module adjacent to it. The positive connecting bar 300 is connected to the positive interface and all the positive terminals of the first supercapacitor module. The negative connecting bar 500 is connected to the negative interface and all the negative terminals of the last supercapacitor module, so that multiple groups of supercapacitor modules are connected in series.

[0073] In one possible implementation, the module frame 100 includes a first heat sink 120, a second heat sink 130, two side plates 140, a bottom plate 150, and a top cover plate 160. The first heat sink 120 is located on one side of the supercapacitor cell 200, and a first thermally conductive silicone sealant is provided on the side of the first heat sink 120 facing the supercapacitor cell 200. The first thermally conductive silicone sealant is used to dissipate the heat generated by the supercapacitor cell 200 during operation through the first heat sink 120. The first thermally conductive silicone sealant is also used to create a gap between the first heat sink 120 and the supercapacitor cell 200, so that the positive electrode connection bar 300, the negative electrode connection bar 500, and the intermediate connection bar 400 are insulated from the first heat sink 120. The second heat sink 130 is located on the other side of the supercapacitor cell 200. The second thermally conductive silicone sealant allows heat generated during the operation of the supercapacitor cell 200 to dissipate through the second heat sink 130. The second thermally conductive silicone sealant also creates a gap between the second heat sink 130 and the supercapacitor cell 200, thus insulating the positive terminal connection 300, negative terminal connection 500, and intermediate connection 400 from the second heat sink 130. A first gap exists between the intermediate connection 400 located between the first heat sink 120 and the supercapacitor cell 200 for electrical isolation between the intermediate connection 400s, preventing short circuits. A second gap exists between the intermediate connection 400 located between the second heat sink 130 and the supercapacitor cell 200 for electrical isolation between the intermediate connection 400s, preventing short circuits.

[0074] Both side plates 140 are connected to the first heat sink 120 and the second heat sink 130, and the two side plates 140 are parallel to each other, forming a through cavity with the first heat sink 120. A bottom plate 150 is connected to the side plates 140, the first heat sink 120, and the second heat sink 130, and is used to seal one end of the cavity. A top cover plate 160 is connected to the side plates 140, the first heat sink 120, and the second heat sink 130, and is used to seal the other end of the cavity to form a receiving cavity 110. The positive and negative terminals are located outside the top cover plate 160. A voltage equalization unit 170 is provided on the top cover plate 160, which is used to connect to the positive terminal connection bar 300, the negative terminal connection bar 500, and the intermediate connection bar 400 via wires, facilitating the inspection and maintenance of the supercapacitor module structure.

[0075] Based on the above, this application also provides an assembly method for an energy storage power module structure, applicable to the energy storage power module structure of any of the above embodiments. The assembly method includes: arranging all supercapacitor cells 200 of multiple supercapacitor modules in an array within the receiving cavity 110 of the module frame 100, and arranging all positive terminals within the same supercapacitor module on the same side; connecting an intermediate connecting bar 400 to the negative terminal of the previous supercapacitor module and the positive terminal of the next adjacent supercapacitor module, until the first supercapacitor module is connected in series with the last supercapacitor module; connecting a positive connecting bar 300 connected to the positive terminal interface to all the positive terminals of the first supercapacitor module; and connecting a negative connecting bar 500 connected to the negative terminal interface to all the negative terminals of the last supercapacitor module, thus completing the series connection of multiple supercapacitor modules.

[0076] By utilizing the symmetrical structure of the positive and negative terminals of the cylindrical supercapacitor cells 200, and adjusting the arrangement direction of the supercapacitor cells 200 in each supercapacitor module, different intermediate connection bars 400 can be configured to achieve flexible configuration of individual cell series and parallel schemes within the module. The supercapacitor modules have consistent external interfaces, enabling compatibility and interchangeability across different projects, shortening the R&D cycle, reducing R&D costs, and improving product stability. The flexible selection of intermediate connection bars 400, combined with different series and parallel requirements of the modules, allows for matching with varying system module capacity, voltage, current, and power requirements. Flexible configuration of individual cells in series and parallel within the same space improves the applicability of the energy storage power module.

[0077] It should be noted that in this specification, relational terms such as first and second are used only to distinguish one entity from several other entities, and do not necessarily require or imply any such actual relationship or order between these entities.

[0078] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0079] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The descriptions of the above embodiments are only for the purpose of helping to understand the method and core ideas of the present invention. It should be noted that those skilled in the art can make several improvements and modifications to the present invention without departing from the principles of the present invention, and these improvements and modifications also fall within the protection scope of the present invention.

Claims

1. A structure for an energy storage power module, characterized in that, include: The module frame (100) has an internal cavity (110) and a positive terminal interface and a negative terminal interface. Multiple supercapacitor modules are located within the receiving cavity (110). Each supercapacitor module includes at least one supercapacitor cell (200). The positive and negative terminals of the supercapacitor cell (200) are located on opposite sides of the supercapacitor cell (200). All the positive terminals of the same supercapacitor module are arranged on the same side, and all the supercapacitor cells (200) are distributed in an array. A positive terminal connector (300) is connected to the positive terminal interface and all the positive terminals of the supercapacitor module; Intermediate connecting blocks (400) are connected to the negative terminal of the previous supercapacitor module and the positive terminal of the next supercapacitor module adjacent to it. There are multiple intermediate connecting blocks (400) so that multiple sets of supercapacitor modules are connected in series. The negative terminal connector (500) is connected to the negative terminal interface and all the negative terminal posts of the last supercapacitor module.

2. The energy storage power module structure according to claim 1, characterized in that, The intermediate connecting bar (400) is provided with through holes, which are used for the positive electrode post or the negative electrode post to pass through. The number of through holes is twice the number of supercapacitor cells (200) in the same supercapacitor module.

3. The energy storage power module structure according to claim 1, characterized in that, The module skeleton (100) includes: The first heat sink (120) is located on one side of the supercapacitor cell (200); The second heat sink (130) is located on the other side of the supercapacitor cell (200); Two side plates (140) are connected to the first heat sink (120) and the second heat sink (130). The two side plates (140) are parallel to each other and form a through cavity with the first heat sink (120). A base plate (150), connected to the side plate (140), the first heat sink (120) and the second heat sink (130), is used to seal one end of the cavity; A top cover plate (160), connected to the side plate (140), the first heat sink plate (120) and the second heat sink plate (130), is used to seal the other end of the cavity to form the receiving cavity (110).

4. The energy storage power module structure according to claim 3, characterized in that, The first heat sink (120) is provided with a first thermally conductive silicone on the side facing the supercapacitor cell (200). The first thermally conductive silicone is used to space the first heat sink (120) and the supercapacitor cell (200) apart.

5. The energy storage power module structure according to claim 3, characterized in that, The second heat sink (130) is provided with a second thermally conductive silicone on the side facing the supercapacitor cell (200). The second thermally conductive silicone is used to space the second heat sink (130) and the supercapacitor cell (200) together.

6. The energy storage power module structure according to claim 3, characterized in that, The top cover plate (160) is provided with a voltage equalization unit (170), which is used to connect to the positive terminal connection bar (300), the negative terminal connection bar (500) and the intermediate connection bar (400) via wires.

7. The energy storage power module structure according to claim 3, characterized in that, A first gap exists between the intermediate connecting bar (400) located between the first heat sink (120) and the supercapacitor cell (200); And / or, there is a second gap between the intermediate connecting row (400) located between the second heat sink (130) and the supercapacitor cell (200).

8. The energy storage power module structure according to claim 3, characterized in that, The positive and negative terminals are located on the outside of the top cover plate (160).

9. The energy storage power module structure according to any one of claims 1 to 8, characterized in that, The connection between the positive electrode connector (300) and the positive electrode post is by welding; The connection between the intermediate connecting bar (400) and the positive terminal post, and between the intermediate connecting bar (400) and the negative terminal post, are both made by welding. The connection between the negative electrode connector (500) and the negative electrode post is by welding.

10. A method for assembling an energy storage power module structure, characterized in that, The assembly method, applicable to the energy storage power module structure as described in any one of claims 1-9, comprises: All the supercapacitor cells (200) in the multiple supercapacitor modules are arrayed in the receiving cavity (110) of the module skeleton (100), and all the positive electrode posts in the same supercapacitor module are arranged on the same side. The intermediate connecting bar (400) is connected to the negative terminal of the previous supercapacitor module and the positive terminal of the next supercapacitor module adjacent to it, until the first supercapacitor module to the last supercapacitor module are connected in series. The positive terminal connector (300) connected to the positive terminal interface is connected to all the positive terminal posts of the first supercapacitor module; The negative terminal connector (500) connected to the negative terminal interface is connected to all the negative terminal posts of the last supercapacitor module, thus completing the series connection of multiple supercapacitor modules.

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