CN220934194U - Battery module and energy storage power supply - Google Patents

Abstract

The utility model relates to the field of energy storage power supply operation, and discloses a battery module and an energy storage power supply. The battery module provided by the utility model can heat the sub-cell module and accelerate heat dissipation of the sub-cell module, and through the dislocation arrangement of the sub-cell module, the heat conduction area of the first end face and the second end face is increased, the heating efficiency is improved, and the overall heat dissipation effect is improved.

Description

Battery module and energy storage power supply

Technical Field

The utility model relates to the field of energy storage power supply operation, in particular to a battery module and an energy storage power supply.

Background

Nowadays, increasing battery capacity and increasing input and output power are major trends of energy storage power supplies. However, under the use conditions of large capacity and high multiplying power, the battery pack needs to have a heat dissipation system with high energy efficiency, and generally, for the battery pack, the peripheral sub-cell modules have better heat dissipation environments, while the central sub-cell modules have poorer heat dissipation and heat accumulation effects. On the other hand, the current energy storage power supply has few applicable scenes, especially in low-temperature cold areas, the capacity and the discharge efficiency of the energy storage power supply are seriously affected, and the energy storage power supply cannot be normally used in a low-temperature environment.

Therefore, a battery module and an energy storage power supply are needed to solve the above-mentioned technical problems.

Disclosure of utility model

Based on the above, the utility model aims to provide a battery module and an energy storage power supply, which can heat a sub-cell module and accelerate heat dissipation of the sub-cell module, and increase the heat conduction area of a first end face and a second end face through dislocation arrangement of the sub-cell module, thereby improving the heating efficiency and the overall heat dissipation effect.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

in a first aspect, a battery module is provided, including a main body portion, a heating element and a heat dissipation element, the main body portion includes a plurality of sub-battery cell modules that are arranged in a staggered manner in a vertical direction, a first end face and a second end face are formed in the vertical direction, the heating element is in heat conduction connection with the first end face to heat the sub-battery cell modules, and the heat dissipation element is in heat conduction connection with the second end face.

As an alternative to the battery module,

The first end face includes: the first end of the sub-cell module and a portion of the periphery of the sub-cell module;

The second end face includes: the second end of the sub-cell module and a portion of the periphery of the sub-cell module.

As an optional technical scheme of battery module, the heating piece includes the heat conduction membrane, the inside of heat conduction membrane is equipped with the heating plate, just the heating plate is along circuitous curve reciprocal extension, the heat conduction membrane with sub-electric core module heat conduction is connected.

As an alternative solution of the battery module, the heat conductive film includes:

The first heat conduction section is attached to the first end portion of the sub-cell module, and the second heat conduction section is attached to the part of the periphery of the sub-cell module.

As an optional technical scheme of the battery module, a heat insulation plate is arranged on one side, away from the main body, of the heat conducting film.

As an optional technical solution of the battery module, the heat dissipation member includes:

A first heat dissipation segment attached to the second end of the sub-cell module; and

And the second heat dissipation section is attached to part of the periphery of the sub-cell module.

As an optional technical scheme of the battery module, a plurality of radiating holes penetrating along the horizontal direction are formed in the radiating piece;

The radiating holes are used for circulating radiating gas; or the heat dissipation holes are filled with phase-change heat dissipation materials.

As an optional technical scheme of the battery module, the battery module further comprises a heat-conducting rubber pad, wherein the heat-conducting rubber pad is arranged between the main body part and the heat dissipation part, and the main body part is in heat conduction connection with the heat dissipation part through the heat-conducting rubber pad.

As an optional technical scheme of the battery module, the sub-battery cell module comprises a plurality of battery cells arranged side by side; or the sub-cell modules comprise a single sheet-like cell.

As an optional technical scheme of the battery module, the main body part further comprises a shell, a flame-retardant heat insulation plate is arranged in the shell, the flame-retardant heat insulation plate is arranged in the vertical direction and separates the inner cavity of the shell to form at least two subcavities, and the subcavities are accommodated in the subcavities; and/or

The inner cavity of the main body part is filled with flame-retardant heat-insulating glue.

In a second aspect, there is also provided an energy storage power supply comprising an inverter module and a battery module as described above, the inverter module being electrically connected with the battery module.

The beneficial effects of the utility model are as follows:

According to the battery module and the energy storage power supply, the main body part is used for accommodating the sub-battery core module, the heating element heats the main body part to adapt to a low-temperature working environment, and the heat dissipation element accelerates heat dissipation of the main body part so as to improve heat dissipation efficiency. Further, the plurality of sub-battery cell modules are arranged in a staggered manner in the vertical direction, a first end face and a second end face are formed in the vertical direction, so that the adjacent sub-battery cell modules form a height difference in the vertical direction, the staggered arrangement enables the surface areas of the first end face and the second end face to be larger than a single plane structure, the heat conduction area for heating and radiating is increased, the heating piece is in heat conduction connection with the first end face to heat the sub-battery cell modules, the heating efficiency of the sub-battery cell modules is improved, and the battery modules can normally operate in cold areas; the heat dissipation piece is in heat conduction connection with the second end face, so that heat dissipation of the sub-battery cell module is accelerated, and the overall heat dissipation effect is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.

Fig. 1 is a schematic structural view of a battery module according to an embodiment of the present utility model;

FIG. 2 is a schematic view showing an internal structure of a main body according to a first embodiment of the present utility model;

FIG. 3 is a schematic view of a part of a main body according to a first embodiment of the present utility model;

FIG. 4 is a schematic diagram of a first bus bar and a second bus bar according to a first embodiment of the present utility model;

FIG. 5 is a schematic diagram of a matching structure of a main body and a heating element according to a first embodiment of the present utility model;

fig. 6 is a schematic structural diagram of a first heat conductive film according to a first embodiment of the present utility model;

fig. 7 is a schematic structural diagram of a second heat conductive film according to a first embodiment of the present utility model;

Fig. 8 is a schematic diagram of a matching structure of a main body and a heat dissipation element according to a first embodiment of the present utility model;

fig. 9 is a partially exploded view of a battery module according to an embodiment of the present utility model;

fig. 10 is a schematic layout diagram of a battery module according to a second embodiment of the present utility model;

fig. 11 is a schematic layout view of a battery module according to a third embodiment of the present utility model.

In the figure:

10. A main body portion; 100. a first end face; 200. a second end face;

11. A sub-cell module; 12. a first bus bar; 13. a second bus bar; 14. a housing; 15. flame-retardant heat insulation board; 16. a subchamber; 17. a glue injection hole;

20. A heating member; 21. a first heat conductive film; 211. a horizontal section; 212. a vertical section; 22. a second heat conductive film; 23. a heating sheet; 24. a heat insulating plate; 25. sampling plate; 26. an upper bracket;

31. A heat sink; 311. a heat radiation hole; 312. a first heat dissipation section; 313. a second heat dissipation section; 32. a heat conducting rubber pad; 33. a bottom pallet; 34. and a lower bracket.

Detailed Description

In order to make the technical problems solved by the present utility model, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

Example 1

The embodiment provides energy storage power supply, and energy storage power supply includes the dc-to-ac converter module and the battery module of electric connection, and battery module is energy storage power supply's main component, plays the effect of storing the electric energy, and the dc-to-ac converter module is used for the current conversion in order to realize the input and the output of electric energy. As shown in fig. 1 to 9, the battery module includes a main body 10, a heating member 20 and a heat dissipation member 31, the main body 10 includes a plurality of sub-battery cell modules 11, the heating member 20 and the heat dissipation member 31 are respectively disposed at both ends of the main body 10 in a vertical direction, the heating member 20 can heat the sub-battery cell modules 11 through one end of the main body 10, and the other end of the main body 10 can conduct heat through the heat dissipation member 31.

Further, as shown in fig. 1, 2, 5 and 8, the plurality of sub-cell modules 11 are arranged offset from each other in the vertical direction, and form a first end face 100 and a second end face 200 in the vertical direction. The heating element 20 is thermally coupled to the first end face 100 to heat the sub-cell module 11 and the heat sink 31 is thermally coupled to the second end face 200.

Specifically, the battery module and the energy storage power supply provided in this embodiment accommodate the sub-battery module 11 through the main body 10, the heating element 20 heats the main body 10 to adapt to a low-temperature working environment, and the heat dissipation element 31 accelerates the heat dissipation of the main body 10, so as to improve the heat dissipation efficiency. Further, the plurality of sub-cell modules 11 are arranged in a staggered manner in the vertical direction, and a first end face 100 and a second end face 200 are formed in the vertical direction, so that the adjacent sub-cell modules 11 form a height difference in the vertical direction, the staggered arrangement enables the surface areas of the first end face 100 and the second end face 200 to be larger than a single plane structure, the heat conduction area for heating and radiating is increased, the heating element 20 is in heat conduction connection with the first end face 100 to heat the sub-cell modules 11, the heating efficiency of the sub-cell modules 11 is improved, and the battery modules can normally operate in cold areas; the heat dissipation element 31 is in heat conduction connection with the second end surface 200, so that heat dissipation of the sub-cell module 11 is accelerated, and the overall heat dissipation effect is improved.

Illustratively, the first end face 100 includes a first end of the sub-cell module 11 and a portion of the outer perimeter of the sub-cell module 11, and the second end face 200 includes a second end of the sub-cell module 11 and a portion of the outer perimeter of the sub-cell module 11. In this embodiment, as shown in fig. 1, the heating element 20, the main body 10 and the heat dissipation element 31 are sequentially arranged from top to bottom, the first end surface 100 is disposed at the upper end of the main body 10, and the second end surface 200 is disposed at the lower end of the main body 10. At the upper end of the main body 10, the sub-cell modules 11 at both sides protrude from the middle sub-cell module 11, the heating member 20 heats the sub-cell modules 11 downward, at the lower end of the main body 10, the sub-cell modules 11 at both sides of the middle sub-cell module 11 protrude, and heat in the main body 10 is conducted out from the top to bottom through the heat dissipation member 31. Of course, in other embodiments, the heating element 20, the main body 10 and the heat sink 31 are arranged in order from bottom to top.

As shown in fig. 1, 2, 5 and 8, the sub-cell modules 11 disposed on two sides are offset in the same direction with respect to the middle sub-cell module 11, so as to form a middle concave structure at the upper end of the main body 10 and a middle convex structure at the lower end of the main body 10, the heating element 20 protrudes into the middle concave structure, and the heat dissipation element 31 covers the middle convex structure. The heating element 20 is in heat conduction connection with the end face of the first end face 100 to heat the sub-battery cell module 11, so that the heating efficiency of the outer sub-battery cell module 11 and the whole main body part 10 is improved, and the battery module can normally operate in cold areas; the heat dissipation element 31 is in heat conduction connection with the second end surface 200, so that heat dissipation of the middle sub-cell module 11 is accelerated, the heat accumulation effect of the middle area is dealt with, and the overall heat dissipation effect is improved.

Illustratively, one of the primary functions of the main body portion 10 is to provide thermal isolation of the sub-cell modules 11. As shown in fig. 1, 3, 5 and 8, corresponding to the main body 10, the lower side of the heating element 20 is provided with an upper bracket 26, the upper side of the heat dissipation element 31 is provided with a lower bracket 34, the main body 10 includes a housing 14 disposed between the upper bracket 26 and the lower bracket 34, the housing 14, the upper bracket 26 and the lower bracket 34 together form a cavity structure for accommodating and enclosing the plurality of sub-cell modules 11, and the plurality of sub-cell modules 11 are distributed in a matrix.

Illustratively, as shown in FIG. 3, a flame-retardant and heat-insulating panel 24 is disposed within the housing 14, the flame-retardant and heat-insulating panel 24 being disposed in a vertical direction and spacing the inner cavities of the main body portion 10 to form at least two subcavities 16. In the present embodiment, three flame-retardant and heat-insulating boards 24 are arranged side by side, the three flame-retardant and heat-insulating boards 24 space the inner cavity of the main body part 10 to form four sub-cavities 16, and a row of sub-cell modules 11 are respectively installed in the four sub-cavities 16. The arrangement of the flame-retardant and heat-insulating plate 24 can realize the heat insulation of the sub-cell module 11 pieces on different parallel circuits, effectively insulate the heat spreading caused by the thermal runaway of one sub-cell module 11 and play a role in fire prevention.

For example, the flame retardant and heat insulating panel 24 may employ fiber composite reinforced aerogel, and has certain mechanical strength while insulating heat, preventing fire and resisting high temperature, so as to improve supporting strength.

Illustratively, the inner cavity of the main body 10 is filled with a flame-retardant and heat-insulating adhesive, specifically, each sub-cavity 16 is filled with a flame-retardant and heat-insulating adhesive, so that the thermal runaway protection and the temperature equalization effect of the whole module are realized.

The flame-retardant heat-insulating adhesive is an organic silicon foaming adhesive, has the characteristics of heat insulation and flame retardance, and can absorb vibration to reduce the influence of the sub-cell module 11.

Illustratively, as shown in fig. 3, on the housing 14, tiny glue injection holes 17 are respectively formed corresponding to the respective sub-cavities 16, so as to encapsulate the flame-retardant heat-insulating glue in the respective sub-cavities 16.

Illustratively, the sub-cell module 11 includes a plurality of cells arranged side-by-side; or the sub-cell module 11 comprises a single sheet-like cell.

As shown in fig. 1, 2, 4, 5 and 8, the main body 10 is further provided with a first busbar 12 and a second busbar 13 to realize serial connection and parallel connection of the plurality of sub-cell modules 11, the first busbar 12 is disposed at the first end face 100 (i.e. the upper end of the main body 10), the first busbar 12 is electrically connected with the plurality of sub-cell modules 11, and the middle part of the first busbar 12 is bent towards the sub-cell modules 11 and protrudes into the first end face 100; the second bus bar 13 is disposed on the second end surface 200 (i.e. the lower end of the main body 10), the second bus bar 13 is electrically connected to the plurality of sub-cell modules 11, and the middle back ion cell module 11 of the second bus bar 13 is bent to form a recess portion for accommodating the second end surface 200.

The first bus bar 12 and the second bus bar 13 are made of an aluminum alloy, for example.

As shown in fig. 5-7, the heating element 20 further includes a heat conducting film, the heat conducting film is internally provided with heating fins 23, the heating fins 23 are uniformly distributed in the heat conducting film, the heating fins 23 extend reciprocally along a roundabout curve, and the heat conducting film is directly connected with the sub-cell module 11 in a heat conducting manner or connected with the sub-cell module 11 in a heat conducting manner through the first bus bar 12.

The heat conductive film includes a first heat conductive section extending in a horizontal direction, the first heat conductive section being attached to a first end of the sub-cell module 11, and a second heat conductive section extending in a vertical direction, the second heat conductive section being attached to a part of the outer circumference of the sub-cell module 11. The heat conducting film is matched with the bending structure of the first busbar 12 through a special-shaped design, so that heat is conducted to the sub-cell module 11 through the whole upper end face of the main body part 10, and the heating efficiency is improved.

As shown in fig. 6 and 7, the heat conductive film has two forms, including a first heat conductive film 21 and a second heat conductive film 22, and the first heat conductive film 21 includes a horizontal section 211 and a vertical section 212 connected in an L-shape, wherein the horizontal section 211 is a first heat conductive section, and the vertical section 212 is a second heat conductive section; the second heat conductive film 22 is provided in a planar structure, and is constituted by the first heat conductive section.

Illustratively, the heat conducting film may be a graphene material or a polyimide material of composite metal powder.

For example, the heating sheet 23 may be a heating element such as a graphene electric heating sheet.

As shown in fig. 5, two first heat conductive films 21 are provided, the two first heat conductive films 21 are symmetrically distributed on the left and right sides of the second heat conductive film 22, a groove structure is formed between the two first heat conductive films 21, the upper bracket 26 is correspondingly arranged to be a middle concave structure adapted to the first end face 100, a sampling plate 25 is provided in the groove structure, and the sampling plate 25 is electrically connected with the sub-cell module 11 to measure the voltage and the temperature of the sub-cell module 11, so that the module space is fully utilized to realize the monitoring of the state of the sub-cell module 11.

Illustratively, as shown in fig. 1 and 5, the side of the heat conductive film facing away from the main body portion 10 is provided with a heat insulating plate 24 for heat insulation and strength support.

Illustratively, the heat shield 24 is made from mica sheets.

As illustrated in fig. 1, 8 and 9, the heat sink 31 includes a first heat sink segment 312 and a second heat sink segment 313, the first heat sink segment 312 extending in a horizontal direction, the first heat sink segment 312 being attached to the second end of the sub-cell module 11; the second heat dissipation segment 313 extends in the vertical direction, and the second heat dissipation segment 313 is attached to a portion of the outer circumference of the sub-cell module 11. In this embodiment, the heat dissipation element 31 is configured in a concave structure, the second end surface 200 protrudes into the concave region of the heat dissipation element 31, the concave side wall of the heat dissipation element 31 formed by the second heat dissipation section 313 is in heat conduction connection with a part of the outer periphery of the sub cell module 11, the concave bottom surface of the heat dissipation element 31 formed by the first heat dissipation section 312 is in heat conduction connection with the second end of the sub cell module 11, and the step horizontal surface of the heat dissipation element 31 formed by the first heat dissipation section 312 is in heat conduction connection with the second end of the sub cell module 11. The heat dissipation piece 31 is adapted to the bending structure of the second busbar 13 through the special-shaped design, so that the sub-cell module 11 can conduct heat to the heat dissipation piece 31 through the whole lower end face of the main body part 10, and heat dissipation efficiency is improved.

Illustratively, the heat sink 31 is made of an aluminum alloy material and is made by an aluminum extrusion process.

As shown in fig. 8 and 9, the heat dissipation element 31 is provided with a plurality of heat dissipation holes 311 penetrating in a horizontal direction, and in some embodiments, the heat dissipation element 31 adopts an air cooling heat dissipation scheme, and the heat dissipation holes 311 are used for heat dissipation gas to circulate; in other embodiments, the heat dissipation element 31 adopts a phase-change heat dissipation scheme, and the heat dissipation holes 311 are filled with a phase-change heat dissipation material such as hydrogel. The heat dissipation holes 311 can be flexibly applied to different heat dissipation schemes while accelerating heat dissipation, and have strong adaptability.

As shown in fig. 8 and 9, the heat dissipation element 31 further includes a heat-conducting rubber pad 32, the heat-conducting rubber pad 32 is disposed between the main body 10 and the heat dissipation element 31, the main body 10 and the heat dissipation element 31 are in heat-conducting connection through the heat-conducting rubber pad 32, the air gap between the main body 10 and the heat dissipation element 31 is filled by the heat-conducting rubber pad 32, the heat-conducting efficiency is further improved, and the heat-conducting rubber pad 32 can be made of a heat-conducting silica gel material.

As shown in fig. 8 and 9, the heat dissipation element 31 further includes a bottom support plate 33, and the bottom of the heat dissipation element 31 is nested on the hollow portion of the bottom support plate 33, so that the outer surface of the aluminum alloy for heat dissipation is located on the bottom surface of the whole module, thereby avoiding the contact between the high-temperature metal housing and the user and improving the safety.

The inverter module is arranged above the battery module, the BMS board is arranged on the side surface of the whole battery module, the full utilization of the whole space is ensured, the influence of power consumption heat flow of other components on the battery module 11 is avoided, and the thermal management effect of the battery module is further ensured.

Example two

As shown in fig. 10, on the basis of the first embodiment, the present embodiment provides another battery module, which is mainly different from the first embodiment in the form of dislocation arrangement of the sub-battery cell modules 11, and is specifically different from the first embodiment in that:

The sub-cell modules 11 are arranged in a step shape, the sub-cell modules 11 in the main body part 10 are distributed symmetrically left and right, the height of the sub-cell module 11 positioned in the middle is lowest, the heights of the sub-cell modules 11 positioned at the two sides of the sub-cell module are gradually increased along the direction deviating from the center, so that a step-shaped structure with the middle low and the two sides lifted upwards is formed, the heat conduction area between the periphery of the sub-cell module 11 and the heating piece 20 and the heat dissipation piece 31 is further increased, and particularly the heat conduction area of the outer sub-cell module 11 corresponding to the first end face 100 is increased, and the heating efficiency is improved; the heat conduction area of the middle sub-cell module 11 corresponding to the second end surface 200 is increased, and the heat dissipation efficiency is improved.

Illustratively, the heating element 20 and the heat dissipation element 31 are also configured in a stepped configuration that is adapted to the arrangement of the sub-cell modules 11.

Example III

As shown in fig. 11, based on the first embodiment, the present embodiment provides another battery module, which is mainly different from the first embodiment in the form of dislocation arrangement of the sub-battery cell modules 11, and is specifically different from the first embodiment in that:

The sub-cell modules 11 are arranged in a serpentine staggered manner, the sub-cell modules 11 in the main body 10 are distributed symmetrically left and right, the sub-cell modules 11 positioned in the middle are higher in height, the sub-cell modules 11 positioned on two adjacent sides are lower in height, and the sub-cell modules 11 arranged at intervals are identical in height, so that a serpentine staggered structure with adjacent staggered positions and equal heights is formed. This structure can further increase the heat conduction area between the outer periphery of the sub-cell module 11 and the heating member 20 and the heat dissipation member 31, and especially, the non-outermost sub-cell module 11 is exposed at the outer periphery of both sides corresponding to one end of the first end surface 100 or the second end surface 200, thereby greatly increasing the heat conduction area and improving the heating efficiency and the heat dissipation efficiency.

Illustratively, the heating element 20 and the heat dissipation element 31 are also configured as adapted serpentine bends, as appropriate for the arrangement of the sub-cell modules 11.

Note that the above is only a preferred embodiment of the present utility model and the technical principle applied. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims (11)

1. The battery module is characterized by comprising a main body part, a heating part and a heat dissipation part, wherein the main body part comprises a plurality of sub-battery cell modules which are arranged in a staggered mode in the vertical direction, a first end face and a second end face are formed in the vertical direction, the heating part is in heat conduction connection with the first end face to heat the sub-battery cell modules, and the heat dissipation part is in heat conduction connection with the second end face.

2. The battery module according to claim 1, wherein the battery module comprises,

The first end face includes: the first end of the sub-cell module and a portion of the periphery of the sub-cell module;

The second end face includes: the second end of the sub-cell module and a portion of the periphery of the sub-cell module.

3. The battery module according to claim 2, wherein the heating member comprises a heat conductive film, a heating sheet is provided inside the heat conductive film, and the heating sheet extends reciprocally along a detour curve, and the heat conductive film is thermally connected with the sub-battery cell module.

4. The battery module according to claim 3, wherein the heat conductive film comprises:

The first heat conduction section is attached to the first end portion of the sub-cell module, and the second heat conduction section is attached to the part of the periphery of the sub-cell module.

5. The battery module according to claim 4, wherein a side of the heat conductive film facing away from the main body portion is provided with a heat insulating plate.

6. The battery module according to claim 2, wherein the heat sink comprises:

A first heat dissipation segment attached to the second end of the sub-cell module; and

And the second heat dissipation section is attached to part of the periphery of the sub-cell module.

7. The battery module according to claim 6, wherein a plurality of heat dissipation holes penetrating in a horizontal direction are provided in the heat dissipation member;

The radiating holes are used for circulating radiating gas; or the heat dissipation holes are filled with phase-change heat dissipation materials.

8. The battery module of claim 6, further comprising a thermal pad disposed between the main body portion and the heat sink, the main body portion and the heat sink being thermally connected by the thermal pad.

9. The battery module according to any one of claims 1-8, wherein the sub-battery cells comprise a plurality of battery cells arranged side by side; or the sub-cell modules comprise a single sheet-like cell.

10. The battery module according to any one of claims 1 to 8, wherein the main body part further comprises a housing, a flame-retardant heat insulation plate is arranged in the housing, the flame-retardant heat insulation plate is arranged in a vertical direction and separates an inner cavity of the housing to form at least two subchambers, and the subchambers are accommodated in the subchambers; and/or

The inner cavity of the main body part is filled with flame-retardant heat-insulating glue.

11. An energy storage power supply, characterized by comprising an inverter module and the battery module according to any one of claims 1-10, the inverter module being electrically connected with the battery module.