CN115360408B - Outdoor lithium electronic battery system for energy storage - Google Patents

Outdoor lithium electronic battery system for energy storage

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Publication number
CN115360408B
CN115360408B CN202211137707.8A CN202211137707A CN115360408B CN 115360408 B CN115360408 B CN 115360408B CN 202211137707 A CN202211137707 A CN 202211137707A CN 115360408 B CN115360408 B CN 115360408B
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China
Prior art keywords
lithium
battery pack
ion battery
pipe
fixed
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CN202211137707.8A
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CN115360408A (en
Inventor
陈宇
胡长友
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Hefei Huayu Smart Power Energy Co Ltd
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Hefei Huayu Smart Power Energy Co Ltd
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567—Liquids
    • H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)

Abstract

本发明公开了一种户外储能用锂电子电池系统，涉及锂电子电池领域，包括壳体，所述壳体的内腔设置有锂电池组，所述锂电池组由多个锂电池并联构成，所述壳体的内壁上设置有储水箱。所述储水箱的内腔设置有水泵，所述水泵上安装有进水管，所述进水管的一端连接有第一散热件，且进水管的另一端延伸于储水箱的内腔，所述第一散热件的下方设置有第二散热件。本发明能够对户外使用的锂电池组进行散热工作，增加热量交换的时间，能够充分的锂电池组合空气进行的热量交换，同时可时对锂电池组的底部进行降温，针对传统的锂电池组底部与壳体相贴合、散热较慢的缺点做出改进，提升了冷却效果，对锂电子电池组可进行有效保护。

The present invention discloses a lithium-ion battery system for outdoor energy storage, which relates to the field of lithium-ion batteries and includes a shell, an inner cavity of the shell is provided with a lithium-ion battery pack, the lithium-ion battery pack is composed of a plurality of lithium-ion batteries connected in parallel, and a water tank is provided on the inner wall of the shell. The inner cavity of the water tank is provided with a water pump, and a water inlet pipe is installed on the water pump. One end of the water inlet pipe is connected to a first heat sink, and the other end of the water inlet pipe extends into the inner cavity of the water tank, and a second heat sink is provided below the first heat sink. The present invention can dissipate heat for lithium-ion battery packs used outdoors, increase the heat exchange time, and fully exchange heat between the lithium-ion battery pack and the air. At the same time, it can cool the bottom of the lithium-ion battery pack. It makes improvements to the shortcomings of traditional lithium-ion battery packs that the bottom is in contact with the shell and the heat dissipation is slow, thereby improving the cooling effect and effectively protecting the lithium-ion battery pack.

Description

Outdoor lithium electronic battery system for energy storage
Technical Field
The invention relates to the field of lithium electronic batteries, in particular to a lithium electronic battery system for outdoor energy storage.
Background
A lithium ion battery (LIB for short) is a rechargeable battery in which lithium ions move from a negative electrode to a positive electrode during discharge and return during charge. Lithium ion batteries use intercalation lithium compounds as electrode materials, as compared to metallic lithium used in non-rechargeable lithium batteries. The battery has a high energy density.
The existing lithium-ion battery pack for an energy storage cabinet is easy to generate heat accumulation during operation, in a summer high-temperature environment, the outdoor high-temperature environment and the heat generated during operation of the lithium-ion battery pack enable the surface of the lithium-ion battery pack to be in a high-temperature state, the high-temperature operation can accelerate the increase of the internal resistance of the battery and accelerate the aging of the battery, and meanwhile, the lithium-ion battery pack is easy to generate high-temperature faults to influence the normal power supply and use.
Disclosure of Invention
In view of the above problems, the present application provides a lithium-ion battery system for outdoor energy storage.
In order to achieve the above purpose, the application provides a lithium electronic battery system for outdoor energy storage, which comprises a shell, wherein a lithium battery pack is arranged in an inner cavity of the shell, the lithium battery pack is formed by connecting a plurality of lithium batteries in parallel, and a water storage tank is arranged on the inner wall of the shell.
The inner chamber of storage water tank is provided with the water pump, install the inlet tube on the water pump, the one end of inlet tube is connected with first radiating member, and the other end of inlet tube extends in the inner chamber of storage water tank, the below of first radiating member is provided with the second radiating member, works as the water pump drives the inside coolant liquid of storage water tank and flows, and the coolant liquid passes in proper order first radiating member, second radiating member.
According to the technical scheme, the first heat dissipation piece comprises the shunt tubes connected to the end parts of the water inlet pipe, the guide tubes are fixed at the openings of the two ends of the shunt tubes, and the side tubes are fixed at the bottom ends of the guide tubes.
The guide tube is L-shaped, the side tube is in a serpentine coiled shape, in a natural state, the side tube is positioned on the side face of the lithium battery pack, and the cooling liquid level is in serpentine circulation on the inner side of the side tube until flowing into the lower part of the lithium battery pack.
According to the technical scheme, the second heat dissipation part comprises a bottom pipe fixed at the end part of the side pipe, a return pipe is fixed at the other end of the bottom pipe, and a cooling cavity is arranged on the return pipe.
The bottom pipe is in a serpentine coiled shape, and when the cooling liquid sequentially passes through the first heat dissipation part and the second heat dissipation part, the cooling liquid flows into the return pipe and the cooling cavity until the cooling liquid enters the water storage tank again.
According to the technical scheme, the cooling cavity comprises a conical part, a plurality of heat dissipation rings are fixed on the outer surface of the conical part, and the outer surfaces of the heat dissipation rings are sheet-shaped bulges.
The technical scheme of the invention is further improved in that a positioning beam is fixed below the inner cavity of the shell, and a plurality of positioning columns are fixed at the top of the positioning beam.
The outer surface joint of reference column has interior strip of establishing, interior side of establishing the strip is fixed with a plurality of fin, works as install interior strip of establishing on the reference column, interior strip, fin are located the below of lithium cell group, just the fin is located the inboard of a pair of bottom tube.
According to the technical scheme, the lithium battery pack is further improved in that the bearing plate is clamped above the positioning column, and in a natural state, the bearing plate is attached to the bottom of the lithium battery pack.
The technical scheme of the invention is further improved in that the outer side of the shell is provided with a ventilation window.
The technical scheme of the invention is further improved in that a cover body can be detachably connected to the upper side of the shell.
In summary, the invention has the technical effects and advantages that:
According to the invention, heat dissipation work can be carried out on the outdoor lithium battery pack, the heat exchange time is increased, the heat exchange between the lithium battery and air can be fully carried out, meanwhile, the bottom of the lithium battery pack can be cooled, the defects of the conventional lithium battery pack that the bottom of the lithium battery pack is attached to a shell and the heat dissipation is slower are overcome, the cooling effect is improved, and the lithium battery pack can be effectively protected. In addition, the situation that the cooling liquid flows in an outdoor extremely high-temperature environment for a long time to reduce the heat dissipation efficiency can be effectively reduced, and the heat exchange efficiency is ensured.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic view showing a structure of the lithium battery pack according to the present invention when the lithium battery pack is mounted inside the case and the cover.
Fig. 3 is a schematic view of a position structure of a first heat dissipating assembly of the lithium battery assembly according to the present invention.
Fig. 4 is a schematic diagram of the location structure of the water storage tank and the second heat dissipating component of the present invention.
Fig. 5 is a schematic diagram of the position structures of the first heat dissipating component and the second heat dissipating component according to the present invention.
Fig. 6 is an enlarged schematic view of the structure of fig. 5 a according to the present invention.
FIG. 7 is a schematic view of a retaining beam, a retaining post, an inner strip, a heat sink and a carrier plate structure according to the present invention.
In the figure, 1, a shell; 2, a lithium battery pack, 3, a water storage tank, 4, a water inlet pipe, 5, a shunt pipe, 6, a guide pipe, 7, a side pipe, 8, a bottom pipe, 9, a return pipe, 10, a cooling cavity, 1001, a conical part, 1002, a heat dissipation ring, 11, a positioning beam, 12, a positioning column, 13, an inner strip, 14, a heat dissipation fin, 15, a bearing plate, 16, a ventilation window, 17 and a cover body.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment 1 referring to fig. 1-2, the outdoor lithium-ion battery system for energy storage comprises a shell 1, wherein a lithium battery pack 2 is arranged in an inner cavity of the shell 1, the lithium battery pack 2 is formed by connecting a plurality of lithium batteries in parallel, and a water storage tank 3 is arranged on the inner wall of the shell 1. The inside of the water storage tank 3 stores a cooling liquid, and the water storage tank 3 is a metal water tank in the prior art.
The inner chamber of storage water tank 3 is provided with the water pump, installs inlet tube 4 on the water pump, and the one end of inlet tube 4 is connected with first radiating member, and the other end of inlet tube 4 extends in the inner chamber of storage water tank 3, and the below of first radiating member is provided with the second radiating member, and when the water pump drove the inside coolant liquid of storage water tank 3 and flows, the coolant liquid passes first radiating member, second radiating member in proper order. Inside casing 1, first radiating part and second radiating part all distribute in the outside of lithium cell group 2, when the coolant liquid circulation is through first radiating part and second radiating part, produce the heat exchange in the outside of lithium cell group 2, reduce the temperature when lithium cell group 2 operates.
As shown in fig. 3 and 4, the first heat dissipation member includes a shunt tube 5 connected to the end of the water inlet tube 4, and guide tubes 6 are fixed at openings at two ends of the shunt tube 5, and side tubes 7 are fixed at the bottom ends of the guide tubes 6.
The guide pipe 6 is L-shaped, the side pipe 7 is in a serpentine coiled shape, the side pipe 7 is positioned on the side surface of the lithium battery pack 2 in a natural state, and cooling liquid flows in a serpentine shape on the inner side of the side pipe 7 until flowing into the lower part of the lithium battery pack 2. The purpose of the side pipes 7 distributed in the shape of a serpentine coil is to increase the circulation time of water, further to increase the heat exchange time when the cooling liquid circulates, and to sufficiently exchange heat between the lithium battery pack 2 and the air, and further to improve the cooling effect.
As shown in fig. 3 and 4, the second radiator includes a bottom pipe 8 fixed to an end of the side pipe 7, a return pipe 9 fixed to the other end of the bottom pipe 8, and a cooling chamber 10 provided on the return pipe 9.
The bottom pipe 8 is in a serpentine disc shape, and when the cooling liquid sequentially passes through the first heat dissipation part and the second heat dissipation part, the cooling liquid flows into the return pipe 9 and the cooling cavity 10 until the cooling liquid enters the water storage tank 3 again.
The coolant liquid can get into the second cooling module under the action of gravity after first cooling module, and the inside bottom tube 8 of second cooling module is located the below of lithium cell group 2, and when the coolant liquid flows in the bottom tube 8, can cool down the bottom of lithium cell group 2, improves to traditional lithium cell group 2, and bottom casing laminating mutually, the shortcoming that the heat dissipation is slower, and bottom tube 8 is serpentine coil pipe form distribution equally, has promoted the cooling effect.
As shown in fig. 6, the cooling cavity 10 includes a tapered portion 1001, and a plurality of heat dissipation rings 1002 are fixed to an outer surface of the tapered portion 1001, and an outer surface of the heat dissipation rings 1002 is formed as a sheet-like protrusion. As the air passes through the cooling chamber 10, the tapered portion 1001 of the surface of the cooling chamber 10 can accelerate the speed of the accelerated wind, and can more comprehensively contact with the air. Meanwhile, the heat dissipation ring 1002 can exchange heat between the cooling liquid in the cooling cavity 10 and the outside air, so that the heat exchange speed is increased, and the heat dissipation ring 1002 is made of red copper and has good heat dissipation performance. Cooling liquid in the cooling cavity 10 is cooled, cooling of water is accelerated, and cooling effect of the water is improved.
The cooling liquid passes through the back flow 9, is cooled down by cooling cavity 10 after, can get into the inside of storage water tank 3 again, and is further, under the effect of water pump, can make the cooling liquid lead to again and get into first radiator unit and second radiator unit to reach the cyclic utilization of cooling liquid, but make full use of resource.
In example 2, as shown in fig. 5 and 7, in order to avoid a situation in which the temperature of the cooling liquid increases after passing through the first heat sink and the second heat sink in the outdoor high-temperature environment, the heat dissipation efficiency to the lower side of the lithium battery pack 2 is reduced. The following method is adopted:
A positioning beam 11 is fixed below the inner cavity of the shell 1, and a plurality of positioning columns 12 are fixed on the top of the positioning beam 11. The outer surface joint of reference column 12 has interior strip 13, and interior strip 13's side is fixed with a plurality of fin 14, and when installing interior strip 13 on the reference column 12, interior strip 13, fin 14 are located the below of lithium cell group 2, and fin 14 is located the inboard of a pair of bottom tube 8.
The cooling fin 14 is located below the lithium battery pack 2, so that the heat dissipation speed below the lithium battery pack 2 can be accelerated, and meanwhile, the heat exchange speed of the bottom tube 8 can be further accelerated, and when the cooling liquid flows through the first cooling piece and the second cooling piece, the heat exchange efficiency of the cooling liquid in the process of flowing inside the bottom tube 8 can be guaranteed.
As shown in fig. 7, a bearing plate 15 is clamped above the positioning column 12, and in a natural state, the bearing plate 15 is attached to the bottom of the lithium battery pack 2. When the radiating fins 14 are detached, the lithium battery pack 2 can be taken out, the bearing plate 15 is lifted upwards until the bearing plate 15 is separated from the positioning column 12, and then the internal strip 13 and the radiating fins 14 are synchronously taken out.
After the cooling fins 14 are taken out, the cooling fins 14 can be cleaned, adhesion of dust to the cooling fins 14 is reduced, and a plurality of groups of the built-in strips 13 and the cooling fins 14 are cleaned. To ensure long-term use of the heat sink 14
As shown in fig. 2, a ventilation window 16 is provided on the outside of the housing 1. The ventilation window 16 is provided with a plurality of through holes, so that air can smoothly flow into the shell 1, and the heat dissipation work can be smoothly performed. Meanwhile, the water retaining eaves are arranged on the outer sides of the through holes, rainwater is prevented from entering the shell 1 through the through holes, and the phenomenon that the lithium battery pack 2 contacts with the rainwater to generate a short circuit is effectively avoided.
As shown in fig. 2, the cover 17 can be detachably connected to the upper part of the casing 1, and when the lithium battery pack 2 is used outdoors, the cover 17 and the casing 1 are combined to protect the lithium battery pack 2, so that the lithium battery pack can normally operate in wet and overcast weather, and external impurities are effectively prevented from contacting the lithium battery pack 2, so that the safety performance of the lithium battery pack 2 in the process of flushing and discharging is guaranteed.
It should be noted that the foregoing description is only a preferred embodiment of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood that modifications, equivalents, improvements and modifications to the technical solution described in the foregoing embodiments may occur to those skilled in the art, and all modifications, equivalents, and improvements are intended to be included within the spirit and principle of the present invention.

Claims (5)

1.一种户外储能用锂电子电池系统，其特征在于：包括壳体(1)，所述壳体(1)的内腔设置有锂电池组(2)，所述锂电池组(2)由多个锂电池并联构成，所述壳体(1)的内壁上设置有储水箱(3)；1. A lithium-ion battery system for outdoor energy storage, characterized in that it comprises a housing (1), a lithium battery pack (2) is arranged in an inner cavity of the housing (1), the lithium battery pack (2) is composed of a plurality of lithium batteries connected in parallel, and a water tank (3) is arranged on the inner wall of the housing (1); 所述储水箱(3)的内腔设置有水泵，所述水泵上安装有进水管(4)，所述进水管(4)的一端连接有第一散热件，且进水管(4)的另一端延伸于储水箱(3)的内腔，所述第一散热件的下方设置有第二散热件，当所述水泵驱使储水箱(3)内部的冷却液流动时，冷却液依次穿过所述第一散热件、第二散热件；The inner cavity of the water storage tank (3) is provided with a water pump, and a water inlet pipe (4) is installed on the water pump. One end of the water inlet pipe (4) is connected to a first heat sink, and the other end of the water inlet pipe (4) extends into the inner cavity of the water storage tank (3). A second heat sink is provided below the first heat sink. When the water pump drives the coolant inside the water storage tank (3) to flow, the coolant passes through the first heat sink and the second heat sink in sequence. 所述第一散热件包括有连接于进水管(4)端部的分流管(5)，所述分流管(5)的两端开口处均固定有导向管(6)，所述导向管(6)的底端固定有侧管(7)；The first heat dissipation element comprises a diverter pipe (5) connected to the end of the water inlet pipe (4), a guide pipe (6) is fixed at both end openings of the diverter pipe (5), and a side pipe (7) is fixed at the bottom end of the guide pipe (6); 所述导向管(6)呈L状设置，所述侧管(7)呈蛇形盘管状，自然状态下，所述侧管(7)位于锂电池组(2)的侧面，所述冷却液位于侧管(7)的内侧呈蛇形流通，直至流入所述锂电池组(2)下方；The guide tube (6) is arranged in an L-shape, and the side tube (7) is in a serpentine coil shape. In a natural state, the side tube (7) is located on the side of the lithium battery pack (2), and the coolant is located on the inner side of the side tube (7) and flows in a serpentine shape until it flows into the bottom of the lithium battery pack (2); 所述第二散热件包括有固定于侧管(7)的端部的底管(8)，所述底管(8)的另一端固定有回流管(9)，所述回流管(9)上设置有冷却腔体(10)；The second heat dissipation element comprises a bottom tube (8) fixed to the end of the side tube (7), a return tube (9) is fixed to the other end of the bottom tube (8), and a cooling cavity (10) is provided on the return tube (9); 所述底管(8)呈蛇形盘管状，当冷却液依次穿过所述第一散热件、第二散热件，冷却液流通进入所述回流管(9)、冷却腔体(10)，直至冷却液再次进入所述储水箱(3)的内部；The bottom pipe (8) is in the shape of a serpentine coil. When the coolant passes through the first heat sink and the second heat sink in sequence, the coolant flows into the return pipe (9) and the cooling cavity (10) until the coolant enters the interior of the water storage tank (3) again. 所述冷却腔体(10)包括有锥形部(1001)，所述锥形部(1001)的外表面固定有多个散热环(1002)，所述散热环(1002)的外表面呈片状凸起。The cooling cavity (10) comprises a conical portion (1001), a plurality of heat dissipation rings (1002) are fixed to the outer surface of the conical portion (1001), and the outer surfaces of the heat dissipation rings (1002) are flaky protrusions. 2.根据权利要求1所述的户外储能用锂电子电池系统，其特征在于：所述壳体(1)的内腔靠下方固定有定位梁(11)，所述定位梁(11)的顶部固定有多个定位柱(12)；2. The lithium-ion battery system for outdoor energy storage according to claim 1, characterized in that a positioning beam (11) is fixed at the lower part of the inner cavity of the housing (1), and a plurality of positioning columns (12) are fixed at the top of the positioning beam (11); 所述定位柱(12)的外表面卡接有内设条(13)，所述内设条(13)的侧面固定有多个散热片(14)，当所述定位柱(12)上安装有内设条(13)时，所述内设条(13)、散热片(14)位于锂电池组(2)的下方，且所述散热片(14)位于一对底管(8)的内侧。An inner bar (13) is clamped on the outer surface of the positioning column (12), and a plurality of heat sinks (14) are fixed to the side of the inner bar (13). When the inner bar (13) is installed on the positioning column (12), the inner bar (13) and the heat sinks (14) are located below the lithium battery pack (2), and the heat sinks (14) are located on the inner side of a pair of bottom tubes (8). 3.根据权利要求2所述的户外储能用锂电子电池系统，其特征在于：所述定位柱(12)的上方卡接有承载板(15)，自然状态下，所述承载板(15)贴合锂电池组(2)的底部。3. The lithium-ion battery system for outdoor energy storage according to claim 2 is characterized in that a carrier plate (15) is clamped above the positioning column (12), and in a natural state, the carrier plate (15) is attached to the bottom of the lithium battery pack (2). 4.根据权利要求1所述的户外储能用锂电子电池系统，其特征在于：所述壳体(1)的外侧设置透气窗(16)。4. The lithium-ion battery system for outdoor energy storage according to claim 1, characterized in that a ventilation window (16) is provided on the outer side of the housing (1). 5.根据权利要求1所述的户外储能用锂电子电池系统，其特征在于：所述壳体(1)的上方可拆卸连接有盖体(17)。5. The lithium-ion battery system for outdoor energy storage according to claim 1, characterized in that a cover (17) is detachably connected to the upper portion of the housing (1).
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CN116315277A (en) * 2023-04-11 2023-06-23 合肥华宇智航动力能源有限公司 Lithium-ion power battery pack
CN118712568B (en) * 2024-06-25 2025-06-06 杭州东建能源科技有限公司 Lithium battery high-temperature protection structure and operation method thereof
CN118553975B (en) * 2024-07-30 2024-09-24 天津泰然储能科技有限公司 Coil-heat dissipation integrated flow battery pile liquid inlet and outlet pipe structure
CN119786803A (en) * 2024-12-16 2025-04-08 深圳市虎电集成电子科技有限责任公司 A heat dissipation modular lithium battery pack

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CN216015485U (en) * 2021-05-11 2022-03-11 湖南恒澎新能源科技有限公司 Heat abstractor based on lithium ion battery PACK

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CN111900510A (en) * 2020-06-19 2020-11-06 浙江大学 An electric forklift lithium-ion battery partition cooling device
CN216015485U (en) * 2021-05-11 2022-03-11 湖南恒澎新能源科技有限公司 Heat abstractor based on lithium ion battery PACK

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