CN117080609B - Modularized lithium iron phosphate energy storage battery pack - Google Patents
Modularized lithium iron phosphate energy storage battery pack Download PDFInfo
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- CN117080609B CN117080609B CN202310823297.0A CN202310823297A CN117080609B CN 117080609 B CN117080609 B CN 117080609B CN 202310823297 A CN202310823297 A CN 202310823297A CN 117080609 B CN117080609 B CN 117080609B
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- bin body
- energy storage
- iron phosphate
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- 238000004146 energy storage Methods 0.000 title claims abstract description 34
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 title claims abstract description 31
- 239000012530 fluid Substances 0.000 claims abstract description 31
- 238000007789 sealing Methods 0.000 claims description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 239000004020 conductor Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 7
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 238000013461 design Methods 0.000 description 7
- 230000017525 heat dissipation Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 210000004027 cell Anatomy 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 210000000352 storage cell Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- 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
- H01M10/6561—Gases
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/258—Modular batteries; Casings provided with means for assembling
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a modularized lithium iron phosphate energy storage battery pack, which relates to the technical field of batteries and is mainly formed by combining a plurality of module batteries, wherein the module batteries comprise: the bin body is internally preset with a plurality of lithium iron phosphate energy storage batteries; the through hole is arranged at one side of the bin body and is used for communicating the interior of the bin body; the extension pipe is arranged at one side of the bin body, which is far away from the through hole, and is used for communicating the inside of the bin body, and the extension pipe is arranged in a matched manner with the through hole; the first flange and the second groove are arranged in a matching way, and the second flange and the first groove are arranged in a matching way; when two of the module cells are connected, a first fluid passage and a second fluid passage can be formed.
Description
Technical Field
The invention relates to the technical field of batteries, in particular to a modularized lithium iron phosphate energy storage battery pack.
Background
With the rapid development of renewable energy sources, energy storage technology becomes an important means for solving energy storage and scheduling. The lithium iron phosphate energy storage battery pack is used as a common energy storage technology, has the advantages of high energy density, long service life, high efficiency and the like, and gradually becomes the main stream of the market.
However, lithium iron phosphate energy storage batteries are prone to overheating problems during long-term high-load operation, severely affecting their performance and life. In order to solve the problem, a modularized lithium iron phosphate energy storage battery pack is currently presented on the market, and the energy capacity and the output power of the whole battery pack are improved by combining a plurality of battery modules together. However, this modular design presents some problems in terms of heat dissipation.
On the one hand, it is difficult to construct a good heat dissipation path while the existing modular battery pack is mounted. Heat is difficult to be efficiently conducted and dissipated due to a certain gap between each battery module. This may cause the internal temperature of the battery pack to be uneven, and some battery modules are easily overheated, thereby reducing the life and performance of the entire battery pack.
On the other hand, the existing modular battery pack has poor installation effect. Because the connection mode and the fixing mode between the battery modules are limited, the problems of loosening, poor contact and the like are easy to occur, so that the stability and the safety of the battery pack are influenced. Furthermore, there may be irregular operations during the installation process, resulting in damage or breakage of the battery module.
Accordingly, there is a need for a modular lithium iron phosphate energy storage battery that addresses the problems set forth in the background.
Disclosure of Invention
In order to achieve the above purpose, the present invention provides the following technical solutions: a modular lithium iron phosphate energy storage battery consisting essentially of a plurality of modular cells, the modular cells comprising:
The bin body is internally preset with a plurality of lithium iron phosphate energy storage batteries;
the through hole is arranged at one side of the bin body and is used for communicating the interior of the bin body;
The extension pipe is arranged at one side of the bin body, which is far away from the through hole, and is used for communicating the inside of the bin body, and the extension pipe is arranged in a matched manner with the through hole; and
The first flange, the second groove, the second flange and the first groove are sequentially arranged on the side part of the bin body clockwise, the first flange and the second groove are arranged in a matched mode, and the second flange and the first groove are arranged in a matched mode;
when two of the module cells are connected, a first fluid passage and a second fluid passage can be formed.
Further, preferably, the length direction of the first flange, the second groove, the second flange and the first groove is the same as the width direction of the bin body, the extension pipe is located between the first flange and the first groove, and the through hole is located between the second flange and the second groove.
Further, as an optimization, the first flange, the second groove, the second flange and the first groove are respectively and fixedly connected to the bin body through sealing gaskets, and sealing rings are arranged on the inner wall of the through hole.
Further preferably, the first fluid passage is supplied with oil from an external oil supply device and collects oil from an external oil collection device;
the second fluid passage is supplied with gas by an external gas supply device and collects gas by an external gas collection device;
The extension pipe is made of heat-conducting materials;
and a temperature sensor is attached to the surface of the extension pipe, and the flow rate of the gas is correspondingly regulated according to the detection result of the temperature sensor.
Further, preferably, two sealing liquid separation plates are symmetrically arranged in the bin body and used for isolating oil, and one side, close to the end part of the bin body, of each sealing liquid separation plate is also provided with a three-dimensional heat conductor fixed in the bin body;
the part of the bin body corresponding to the plate body of the second fluid channel is made of heat conducting materials.
Further, as the preference, the upper end middle part of the storehouse body still is fixed with the base post, T type annular has been seted up to the lateral part of base post, it is provided with four T type slides to slide in the T type annular, each all be fixed with a rope body on the T type slide, be first rope body, second rope body, third rope body, fourth rope body respectively, rotate on the first rope body and be provided with first connector, rotate on the second rope body and be provided with the second connector, rotate on the third rope body and be provided with the third connector, rotate on the fourth rope body and be provided with the fourth connector, first connector is the same with the structure of third connector, the second connector is the same with the structure of fourth connector, first connector and second connector assorted setting.
Further, preferably, the first connector includes a threaded connector and a synchronous magnetic block disposed at an end of the threaded connector, the second connector includes a threaded connection groove and an elastic pad fixed in the threaded connection groove, and an iron block is embedded in the elastic pad.
Compared with the prior art, the invention provides a modularized lithium iron phosphate energy storage battery pack, which has the following beneficial effects:
in the embodiment of the invention, a first fluid channel and a second fluid channel can be formed in the process of splicing and constructing the modularized lithium iron phosphate energy storage battery pack, wherein the first fluid channel can supply oil to flow so as to take away most of heat on the lithium iron phosphate energy storage battery, and the second fluid channel can supply gas to flow so as to take away a small part of heat on the lithium iron phosphate energy storage battery and take away part of heat on oil, thereby guaranteeing continuous cooling of the oil.
Drawings
FIG. 1 is a schematic perspective view of a modular battery in a modular lithium iron phosphate energy storage battery;
FIG. 2 is a schematic cross-sectional view of a modular battery in a modular lithium iron phosphate energy storage battery;
FIG. 3 is a schematic diagram of a modular lithium iron phosphate energy storage battery;
fig. 4 is a schematic perspective view of a connection assembly in a modular lithium iron phosphate energy storage battery;
fig. 5 is a schematic structural diagram of a first connector and a second connector in a modular lithium iron phosphate energy storage battery;
Fig. 6 is a schematic diagram of a second modular lithium iron phosphate energy storage battery;
In the figure: 1. a bin body; 2. a first flange; 3. a first groove; 4. a second flange; 5. a second groove; 6. a through hole; 7. an extension tube; 8. a connection assembly; 9. sealing the liquid separation plate; 10. a three-dimensional heat conductor; 11. a seal ring; 12. a sealing gasket; 13. a base column; 14. a T-shaped ring groove; 15. a T-shaped slide seat; 17. a first connector; 18. a second connector; 19. a third connector; 20. a fourth connector; 21. a threaded connector; 22. synchronizing magnetic blocks; 23. a threaded connection groove; 24. an elastic pad.
Detailed Description
Referring to fig. 1 to 6, in an embodiment of the present invention, a modularized lithium iron phosphate energy storage battery pack is provided, which is mainly formed by combining a plurality of module batteries, wherein the module batteries include:
The bin body 1 is internally preset with a plurality of lithium iron phosphate energy storage batteries;
The through hole 6 is arranged at one side of the bin body 1 and is used for communicating the interior of the bin body 1;
the extension pipe 7 is arranged at one side of the bin body 1 away from the through hole 6 and is used for communicating the interior of the bin body 1, and the extension pipe 7 is arranged in a matched mode with the through hole 6; and
The first flange 2, the second groove 5, the second flange 4 and the first groove 3 are sequentially arranged on the side part of the bin body 1 clockwise, the first flange 2 and the second groove 5 are arranged in a matched mode, and the second flange 4 is arranged in a matched mode with the first groove 3;
when two of the module cells are connected, a first fluid passage a and a second fluid passage b can be constructed.
In addition, the first fluid passage a is supplied with oil from an external oil supply device and collects oil from an external oil collection device;
the second fluid passage b is supplied with gas by an external gas supply device and collected by an external gas collection device;
The extension pipe 7 is made of heat-conducting materials;
a temperature sensor is attached to the surface of the extension pipe 7, and the flow rate of the gas is adjusted accordingly according to the detection result of the temperature sensor.
In the process of splicing and constructing the modularized lithium iron phosphate energy storage battery pack, an innovative design is adopted to solve the heat dissipation problem, so that a first fluid channel and a second fluid channel are formed. The design can effectively improve the heat dissipation effect of the battery pack and ensure the stable operation of the battery pack.
In one aspect, the first fluid passage is configured to remove a majority of heat from the lithium iron phosphate energy storage cell by the flow of oil. During the installation of the battery pack, oil can flow through a specific channel to take away heat generated by the battery. The design can effectively reduce the temperature of the battery and prevent the overheat problem. Meanwhile, the flow of oil can also keep the temperature of the battery pack evenly distributed, and the heat dissipation effect of the whole battery pack is improved.
On the other hand, the design of second fluid passageway is in order to take away the little heat on the lithium iron phosphate energy storage battery and take away some heat on the fluid through the gas flow, provides the guarantee for the continuous cooling of fluid. In the structure of the battery pack, a specific passage is provided so that gas can flow and take away part of heat. The design can further improve the heat dissipation effect of the battery pack, and ensure that the cooling process of oil is more sufficient and effective.
Through the design and the configuration, the spliced and constructed modularized lithium iron phosphate energy storage battery pack can form a first fluid channel and a second fluid channel, and the heat dissipation effect is effectively improved. The heat generated by the battery is taken away by the flowing of oil liquid and gas, and the temperature stability and the reliable performance of the battery pack are ensured.
As a preferred embodiment, the length direction of the first flange 2, the second groove 5, the second flange 4 and the first groove 3 is the same as the width direction of the bin body 1, the extension pipe 7 is located between the first flange 2 and the first groove 3, and the through hole 6 is located between the second flange 4 and the second groove 5.
As a preferred embodiment, the first flange 2, the second groove 5, the second flange 4, and the first groove 3 are respectively and fixedly connected to the bin body 1 by adopting a sealing gasket 12, and a sealing ring 11 is arranged on the inner wall of the through hole 6.
By the above arrangement, the stability and tightness of the first fluid channel and the second fluid channel can be improved, and it should be further explained that the meaning of the matching arrangement of the extension pipe 7 and the through hole 6 is that: the axis of the extension pipe 7 is arranged in line with the axis of the through hole 6, and the outer diameter of the extension pipe 7 is the same as the inner diameter of the through hole 6 or slightly smaller than the inner diameter of the through hole 6 under the condition of arranging the sealing ring 11; the meaning that the first flange 2 and the second groove 5 are arranged in a matching manner is that the first flange 2 can be just embedded into the second groove 5 in a sealing manner, the meaning that the second flange 4 and the first groove 3 are arranged in a matching manner is that the second flange 4 can be just embedded into the first groove 3 in a sealing manner, of course, the first flange 2 and the second flange 4 are identical in structural size, and the first groove 3 and the second groove 5 are identical in structural size.
In this embodiment, two sealing liquid separation plates 9 are symmetrically arranged in the bin body 1 and used for isolating oil, and one side of the sealing liquid separation plates 9, which is close to the end of the bin body 1, is also provided with a three-dimensional heat conductor 10 fixed in the bin body 1;
The plate body part of the bin body 1 corresponding to the second fluid channel b is made of heat conducting materials.
In this embodiment, coupling assembling 8 still is provided with in the middle part of the upper end of the storehouse body 1, coupling assembling 8 includes the foundation column 13, T type annular 14 has been seted up to the lateral part of foundation column 13, it is provided with four T type slide 15 to slide in the T type annular 14, each all be fixed with a rope body on the T type slide 15, be first rope body, second rope body, third rope body, fourth rope body respectively, rotate on the first rope body and be provided with first connector 17, rotate on the second rope body and be provided with second connector 18, rotate on the third rope body and be provided with third connector 19, rotate on the fourth rope body and be provided with fourth connector 20, first connector is the same with the structure of third connector 19, second connector 18 is the same with the structure of fourth connector 20, first connector 17 and second connector 18 phase-match setting.
That is, in the present embodiment, in order to secure the stability of the battery pack and the reliability of connection, a connection assembly is also configured. The connecting components are carefully designed, so that the firmness of connection can be ensured, and the tripping phenomenon caused by vibration can not occur. In this way, even under the condition that the battery pack runs under high load for a long time, the connecting assembly can maintain a stable connecting state, and reliable battery pack support is provided.
More specifically, the first connector 17 includes a threaded connector 21 and a synchronous magnetic block 22 disposed at an end of the threaded connector 21, the second connector 18 includes a threaded connection groove 23 and an elastic pad 24 fixed in the threaded connection groove 23, and an iron block is embedded in the elastic pad 24.
It should be explained that after the threaded connector 21 is in threaded connection with the threaded connection groove 23, the synchronous magnetic block 22 adsorbs the iron block in the elastic pad 24, and the elastic pad 24 has elasticity, so that the iron block can approach the synchronous magnetic block 22 and be firmly adsorbed with the synchronous magnetic block, and under some vibration scenarios, when the threaded connector 21 rotates, the threaded connection groove rotates synchronously therewith, that is, the threaded connection is released without relative rotation, so that the connection firmness of the threaded connector and the threaded connection is improved.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (3)
1. The utility model provides a modularization lithium iron phosphate energy storage group battery, its mainly is formed by a plurality of module batteries combination, its characterized in that: the module battery includes:
The bin body (1) is internally preset with a plurality of lithium iron phosphate energy storage batteries;
the through hole (6) is arranged at one side of the bin body (1) and is used for communicating the interior of the bin body (1);
The extension pipe (7) is arranged at one side of the bin body (1) far away from the through hole (6) and is used for communicating the inside of the bin body (1), and the extension pipe (7) is arranged in a matched mode with the through hole (6); and
The first flange (2) is arranged on the side part of the bin body (1), the second groove (5), the second flange (4) and the first groove (3) are arranged clockwise in sequence, the first flange (2) and the second groove (5) are arranged in a matched mode, and the second flange (4) is arranged in a matched mode with the first groove (3);
When two of the module cells are connected, a first fluid channel (a) and a second fluid channel (b) can be formed;
The first fluid passage (a) is supplied with oil by an external oil supply device and collects oil by an external oil collection device;
the second fluid passage (b) is supplied with gas by an external gas supply device and collected by an external gas collection device;
the extension pipe (7) is made of heat conduction materials;
A temperature sensor is attached to the surface of the extension pipe (7), and the flow rate of the gas is correspondingly regulated according to the detection result of the temperature sensor;
The length direction of the first flange (2), the second groove (5), the second flange (4) and the first groove (3) is the same as the width direction of the bin body (1), the extension pipe (7) is positioned between the first flange (2) and the first groove (3), and the through hole (6) is positioned between the second flange (4) and the second groove (5);
The novel plastic storage bin is characterized in that a base column (13) is further fixed in the middle of the upper end of the bin body (1), T-shaped ring grooves (14) are formed in the side portions of the base column (13), four T-shaped sliding seats (15) are slidably arranged in the T-shaped ring grooves (14), a rope body is fixed on each T-shaped sliding seat (15), a first rope body, a second rope body, a third rope body and a fourth rope body are respectively arranged on the T-shaped sliding seats (15), a first connecting head (17) is rotatably arranged on the first rope body, a second connecting head (18) is rotatably arranged on the second rope body, a third connecting head (19) is rotatably arranged on the third rope body, a fourth connecting head (20) is rotatably arranged on the fourth rope body, the first connecting head is identical to the third connecting head (19), the second connecting head (18) is identical to the fourth connecting head (20) in structure, and the first connecting head (17) and the second connecting head (18) are arranged in a matched mode;
The first connector (17) comprises a threaded connector (21) and a synchronous magnetic block (22) arranged at the end part of the threaded connector (21), the second connector (18) comprises a threaded connecting groove (23) and an elastic pad (24) fixed in the threaded connecting groove (23), and an iron block is embedded in the elastic pad.
2. A modular lithium iron phosphate energy storage battery according to claim 1, wherein: the first flange (2), the second groove (5), the second flange (4) and the first groove (3) are respectively and fixedly connected to the bin body (1) by adopting sealing gaskets (12), and sealing rings (11) are arranged on the inner wall of the through hole (6).
3. A modular lithium iron phosphate energy storage battery according to claim 1, wherein: two sealing liquid separation plates (9) are symmetrically arranged in the bin body (1) and used for isolating oil, and one side, close to the end part of the bin body (1), of each sealing liquid separation plate (9) is also provided with a three-dimensional heat conductor (10) fixed in the bin body (1);
The plate body part of the bin body (1) corresponding to the second fluid channel (b) is made of heat conducting materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310823297.0A CN117080609B (en) | 2023-07-06 | 2023-07-06 | Modularized lithium iron phosphate energy storage battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310823297.0A CN117080609B (en) | 2023-07-06 | 2023-07-06 | Modularized lithium iron phosphate energy storage battery pack |
Publications (2)
| Publication Number | Publication Date |
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| CN117080609A CN117080609A (en) | 2023-11-17 |
| CN117080609B true CN117080609B (en) | 2024-04-26 |
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| CN202310823297.0A Active CN117080609B (en) | 2023-07-06 | 2023-07-06 | Modularized lithium iron phosphate energy storage battery pack |
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| CN117080609A (en) | 2023-11-17 |
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