CN214505695U - Thermal safety battery module - Google Patents
Thermal safety battery module Download PDFInfo
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- CN214505695U CN214505695U CN202120417541.XU CN202120417541U CN214505695U CN 214505695 U CN214505695 U CN 214505695U CN 202120417541 U CN202120417541 U CN 202120417541U CN 214505695 U CN214505695 U CN 214505695U
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- 238000005070 sampling Methods 0.000 claims abstract description 47
- 238000002955 isolation Methods 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims description 8
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- 239000004743 Polypropylene Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000004964 aerogel Substances 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 2
- 238000000605 extraction Methods 0.000 abstract description 7
- 238000009413 insulation Methods 0.000 description 29
- 238000007599 discharging Methods 0.000 description 11
- 238000010521 absorption reaction Methods 0.000 description 5
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- 238000003860 storage Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
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- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- 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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Abstract
The utility model provides a thermal safety battery module relates to the battery module field. The thermal safety battery module comprises a main shell, a plurality of electric cores, a wiring harness isolation plate and an upper cover plate, wherein the plurality of electric cores are arranged in the main shell; a plurality of heat discharge holes are formed in the wiring harness isolation plate and correspond to the battery core, a sampling wiring harness is arranged on the upper side of the wiring harness isolation plate, the end portion of the sampling wiring harness is electrically connected with a sampling piece used for collecting voltage or temperature of the battery core, and the sampling wiring harness corresponds to the heat discharge holes. When thermal runaway appeared in one of them electric core, the high temperature eruption thing that the electric core produced was released through the heat extraction hole of pencil division board, and the sampling pencil arranges in corresponding heat extraction hole department, can burn out the sampling pencil of pencil division board upside fast to in time acquire the unusual thermal runaway early warning signal of voltage, the safety in utilization of whole battery module is higher.
Description
Technical Field
The utility model relates to a battery module technical field especially relates to a thermal safety battery module.
Background
The electric vehicle is a common vehicle, and a power source of the electric vehicle is a battery module. The battery module inevitably has thermal runaway and other problems in the use process, so that the safety design of the battery module is very important.
At present, disclose the safety design of a battery module among the prior art to specifically disclose the battery module and included module casing, first thermal-insulated buffer board, a plurality of electric cores and the thermal-insulated buffer board of second, a plurality of electric cores are placed side by side in the module casing, and are equipped with first thermal-insulated buffer board between the side of the electric core in the outside and the inside wall of module casing. The second buffer board that insulates against heat is established in the module casing, and separates relative setting with first buffer board that insulates against heat, and the second separates to insulate against heat and presss from both sides between buffer board and the first buffer board that insulates against heat and is equipped with electric core. Through first thermal-insulated buffer board and the thermal-insulated buffer board of second can be spaced apart electric core and module casing and the electric core of adjacent group, can prevent when thermal runaway in electric core, the flame of electric core from stretching to the electric core of module casing or adjacent group, improves the security and the stability of battery module.
Because the design that a plurality of electric cores are parallelly connected is usually adopted in the battery module, if one of them electric core thermal runaway time, and other electric cores are still in normal condition, then the normal voltage can be gathered to the parallel circuit of this group of electric cores. Therefore, when single-cell thermal runaway occurs in the conventional battery module, thermal runaway voltage early warning cannot be triggered in time, and thus a thermal runaway early warning signal delays to cause more serious safety problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, an object of the utility model is to provide a thermal safety battery module to solve traditional battery module when taking place single electric core thermal runaway, unable timely trigger thermal runaway voltage early warning, thereby thermal runaway early warning signal postpones and causes more serious safety problem.
The utility model discloses a thermal safety battery module's technical scheme does:
the thermal safety battery module comprises a main shell, a plurality of electric cores, a wiring harness isolation plate and an upper cover plate, wherein the electric cores are installed in the main shell, the wiring harness isolation plate is arranged above the electric cores, and the upper cover plate is fixedly connected to the upper part of the main shell;
the battery comprises a wiring harness isolation plate and is characterized in that a plurality of heat discharge holes are formed in the wiring harness isolation plate, the heat discharge holes correspond to the battery core, a sampling wiring harness is arranged on the upper side of the wiring harness isolation plate, the end part of the sampling wiring harness is electrically connected with a sampling sheet used for collecting the voltage or the temperature of the battery core, and the sampling wiring harness corresponds to the heat discharge holes.
Furthermore, the upper part of the battery cell is provided with an explosion-proof valve, and the explosion-proof valve is arranged in the heat discharge hole in a matching manner.
Furthermore, the busbar is installed in the location on the pencil division board, the upper portion of electricity core is equipped with utmost point ear, the busbar with utmost point ear conductive connection, the sampling pencil with the busbar conductive connection, just the location of sampling piece sets up on the busbar.
Furthermore, a positioning groove is arranged on the busbar and is in concave-convex fit with the sampling sheet; still be equipped with the deformation dashpot on the busbar, the deformation dashpot corresponds the setting and is in adjacent two between the electric core.
Furthermore, a positioning hole and an identification hole are arranged on the busbar, the positioning hole is matched with the lug of the battery cell in a positioning manner, and the identification hole corresponds to the positive pole mark or the negative pole mark of the battery cell.
Further, it is a plurality of electric core is in the side by side stack-up in the main casing body, adjacent two still be equipped with the thermal-insulated buffer module of fire prevention between the electric core, the thermal-insulated buffer module of fire prevention includes the thermal-insulated pad of fire prevention of two interval arrangements, and is between two blotter between the thermal-insulated pad of fire prevention.
Furthermore, the fireproof heat insulation pad comprises a heat insulation pad outer frame and a heat insulation pad body, and the heat insulation pad body is arranged in the heat insulation pad outer frame; the heat insulating mattress frame adopts the silica gel material to make, just the heat insulating mattress body adopts aerogel material to make, the blotter adopts polypropylene foam to make.
Further, the upside of sampling pencil still is equipped with the drainage baffle, the drainage baffle has and shelters from a plurality of shielded parts in heat dissipation hole, the drainage baffle is located the outside of shielded part still interval is equipped with a plurality of through-holes.
Further, the shape of main casing body is the cuboid form, and it includes bottom plate, two curb plates and two end plates, the curb plate is followed the length direction of main casing body arranges, the end plate is followed the width direction of main casing body arranges, and is a plurality of electric core is followed the length direction closed assembly of main casing body sets up.
Furthermore, the inside of end plate is equipped with the storage tank, install the phase transition heat absorption structure in the storage tank.
Has the advantages that: the thermal safety battery module adopts the structural design that a wiring harness isolation plate is arranged between an electric core and a sampling wiring harness, a plurality of heat discharging holes are formed in the wiring harness isolation plate, the heat discharging holes are arranged corresponding to the electric core, and the sampling wiring harness is arranged at the position corresponding to the heat discharging holes; during normal work, voltage or temperature data of electric core are gathered through the sampling piece of sampling pencil tip, and when thermal runaway appeared in one of them electric core, the high temperature eruption thing that electric core produced was released through the heat extraction hole of pencil division board, and the sampling pencil is arranged in corresponding heat extraction hole department, can burn out the sampling pencil of pencil division board upside fast to in time acquire abnormal voltage's thermal runaway early warning signal. The problem that the traditional battery module cannot trigger the early warning of the thermal runaway voltage when the single-battery-core thermal runaway occurs is avoided, the thermal runaway early warning signal is quicker and more timely, and the use safety of the whole battery module is higher.
Drawings
Fig. 1 is a schematic perspective view of a thermal safety battery module according to an embodiment 1 of the present invention;
fig. 2 is an exploded view of a thermal safety battery module according to embodiment 1 of the present invention;
FIG. 3 is a perspective view of the bus bar of FIG. 2;
FIG. 4 is a perspective view of the sampling beam of FIG. 2;
FIG. 5 is a perspective view of the baffle of FIG. 2;
FIG. 6 is a perspective view of the fire protection, thermal insulation and cushioning assembly of FIG. 2;
fig. 7 is a perspective view of the phase-change heat absorption structure of fig. 2.
In the figure: the heat-insulation and heat-insulation device comprises a main shell 1, an upper cover plate 10, a side plate 11, an end plate 12, a phase-change heat-absorption structure 13, an insulation protective film 14, an electric core 2, a lug 20, a wiring harness isolation plate 3, a heat-removal hole 30, a busbar 4, a deformation buffer groove 40, a positioning hole 41, a marking hole 42, a positioning groove 43, a sampling wiring harness 5, a sampling sheet 50, a wiring harness groove 51, a drainage baffle 6, a shielding part 60, a through hole 61, a fireproof heat-insulation buffer component 7, a fireproof heat-insulation pad 71, a buffer pad outer frame 710, a buffer pad body 711 and a buffer pad 72.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
The specific embodiment 1 of the thermal safety battery module of the present invention, as shown in fig. 1 to 7, includes a main housing 1, a plurality of battery cells 2, a harness isolation plate 3 and an upper cover plate 10, wherein the plurality of battery cells 2 are installed in the main housing 1, the harness isolation plate 3 is disposed above the plurality of battery cells 2, and the upper cover plate 10 is fixedly connected to the upper portion of the main housing 1; the wiring harness isolation plate 3 is provided with a plurality of heat discharging holes 30, the heat discharging holes 30 correspond to the battery cells 2, the sampling wiring harness 5 is arranged on the upper side of the wiring harness isolation plate 3, the end part of the sampling wiring harness 5 is electrically connected with a sampling sheet 50 used for collecting the voltage or the temperature of the battery cells 2, and the sampling wiring harness 5 corresponds to the plurality of heat discharging holes 30.
The thermal safety battery module adopts the structural design that a wiring harness isolation plate 3 is arranged between an electric core 2 and a sampling wiring harness 5, a plurality of heat discharging holes 30 are formed in the wiring harness isolation plate 3, the heat discharging holes 30 are arranged corresponding to the electric core 2, and the sampling wiring harness 5 is arranged at the position corresponding to the plurality of heat discharging holes 30; during normal work, gather electric core 2's voltage or temperature data through sampling piece 50 of 5 tip of sampling pencil, when thermal runaway appeared in one of them electric core 2, the heat extraction hole 30 of the high temperature eruption thing warp bundle division board 3 that electric core 2 produced releases away, and sampling pencil 5 arranges in corresponding heat extraction hole 30 department, can burn out the sampling pencil 5 of 3 upsides of pencil division board fast to in time acquire the unusual thermal runaway early warning signal of voltage. The problem that the traditional battery module cannot trigger the early warning of the thermal runaway voltage when the single-battery-core thermal runaway occurs is avoided, the thermal runaway early warning signal is quicker and more timely, and the use safety of the whole battery module is higher.
In the present embodiment, the upper portion of the battery cell 2 is provided with an explosion-proof valve, and the explosion-proof valve is fittingly arranged in the heat discharging hole 30 of the wiring harness isolation plate 3. When electric core 2 thermal runaway, the blast proof valve that is located upper portion can produce high temperature eruption thing, because blast proof valve matches and sets up in the heat extraction hole 30 of pencil division board 3, then high temperature eruption thing can directly carry out the injection to sampling pencil 5 and burn and lose, has guaranteed that accurate quick acquisition has reached the early warning signal of thermal runaway.
And, fix a position on the pencil division board 3 and install busbar 4, the upper portion of electric core 2 is equipped with utmost point ear 20, and busbar 4 is connected with the utmost point ear 20 of electric core 2 electrically conductively, and sampling pencil 5 is connected with busbar 4 electrically conductively, and sampling piece 50 location sets up on busbar 4. Specifically, be equipped with constant head tank 43 on the busbar 4, the constant head tank 43 and the unsmooth cooperation of sampling piece 50 of busbar 4 have avoided causing the problem of thickness increase because of sampling piece 50 and the stack of busbar 4 through design constant head tank 43.
The busbar 4 is further provided with a deformation buffer groove 40, the deformation buffer groove 40 is correspondingly arranged between two adjacent electric cores 2, and when the electric cores 2 expand due to thermal runaway, the deformation buffer groove 40 enables the busbar 4 to adapt to the volume change of the electric cores 2 to generate corresponding telescopic change. And, the busbar 4 is provided with a positioning hole 41 and an identification hole 42, the positioning hole 41 is in positioning fit with the tab 20 of the electric core 2, and the identification hole 42 corresponds to the positive pole mark or the negative pole mark of the electric core 2. The mark hole 42 is a small hole compared to the positioning hole 41, and after the busbar 4 is mounted on the electric core 2, a "+" (positive mark) or "-" (negative mark) on the electric core 2 can be observed through the mark hole 42, so as to detect whether the busbar 4 is accurately assembled on the corresponding electrode.
In the present embodiment, a plurality of battery cells 2 are stacked in parallel in the main housing 1, and a fireproof heat-insulating buffer assembly 7 is further disposed between two adjacent battery cells 2, where the fireproof heat-insulating buffer assembly 7 includes two fireproof heat-insulating pads 71 arranged at intervals, and a cushion pad 72 interposed between the two fireproof heat-insulating pads 71. Specifically, the fireproof heat insulation pad 71 comprises a heat insulation pad outer frame 710 and a heat insulation pad body 711, wherein the heat insulation pad body 711 is arranged in the heat insulation pad outer frame 710; the heat insulation pad outer frame 710 is made of a silica gel material, the heat insulation pad body 711 is made of an aerogel material, and the cushion pad 72 is made of a polypropylene foam material.
Furthermore, the fireproof heat insulation pads 71 on the two sides play a role in fireproof heat insulation, and the width of the heat insulation pad outer frame 710 is 4mm to 10mm, preferably 6 mm; when the electric core 2 is exploded due to thermal runaway, the outer frame 710 of the heat insulation pad can play a role of fire prevention to ensure the reliability of the structure of the battery module due to the flame distance and the concentration at the electric core 2 and the top position around the electric core 2; the thermal insulation pad body 711 has the characteristics of low thermal conductivity (the thermal conductivity is less than 0.03w/mk) and high flame retardant rating (the level of UL94V 0), and can isolate the thermal runaway battery cell from transferring heat to the surrounding battery cells. The fireproof heat insulation pads 71 on both sides can also protect the middle cushion pad 72 from fire. The buffer pad 72 in the middle can absorb the explosion pressure through compression deformation, alleviate the aggregation of the upper cover plate 10 of the explosion pressure, avoid forming the impact damage effect on the upper cover of the battery pack, and can absorb the expansion deformation of the battery core 2 in the normal charging and discharging use process, thereby ensuring the structural reliability of the battery module. The thicknesses of the fireproof heat-insulation pad 71 and the cushion pad 72 are both 2mm, and the overall thickness of the fireproof heat-insulation buffer assembly 7 is 6 mm; the length and width dimensions of the fireproof heat insulation pad 71 and the buffer pad 72 are both smaller than the length and width dimensions of the battery cell 2 from 0.5mm to 3mm, so that the thickness of the fireproof heat insulation buffer assembly 7 is prevented from being compressed when the battery cell 2 expands, the outline dimension of the fireproof heat insulation buffer assembly 7 is too large, and the appearance of the battery module is further influenced.
Wherein, still be equipped with drainage baffle 6 at the upside of sampling pencil 5, drainage baffle 6 has a plurality of sheltering from portions 60 that shelter from heat dissipation hole 50, and drainage baffle 6 is located the outside of sheltering from portions 60 and still is equipped with a plurality of through-holes 61 at the interval. Drainage baffle 6 adopts the design that corresponds explosion-proof valve department and establishes shielding plate 60, fretwork around, and the material is fire-resistant high temperature resistant material such as mica, and thickness is not less than 2mm for shelter from the high temperature eruption thing of electric core 2 thermal runaway production, change the vertical injection direction of high temperature eruption thing into around diffusion sputtering, reduced the impact effort to the battery package upper cover.
In addition, the shape of the main casing 1 is a cuboid, and the main casing includes a bottom plate, two side plates 11 and two end plates 12, the side plates 11 are arranged along the length direction of the main casing 1, the end plates 12 are arranged along the width direction of the main casing 1, and the plurality of battery cells 2 are stacked along the length direction of the main casing 1. In addition, a containing groove is provided inside the end plate 12, and a phase change heat absorption structure 13 is installed in the containing groove. After being heated, the phase-change heat absorption structure 13 is changed from solid to liquid or directly to gas, so that a large amount of heat is absorbed, and the temperature level of thermal runaway of the battery core is reduced. Utilize the storage tank to hold and match phase change heat-absorbing structure 13, ensure not additionally to occupy the all the other spaces of battery module, guaranteed the space utilization of battery module when strengthening thermal safety. An insulating protective film 14 is further arranged at the bottom of the battery cell 2, so that the safety of the bottom of the battery cell 2 is improved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (10)
1. A thermal safety battery module is characterized by comprising a main shell, a plurality of battery cores, a wiring harness isolation plate and an upper cover plate, wherein the battery cores are installed in the main shell;
the battery comprises a wiring harness isolation plate and is characterized in that a plurality of heat discharge holes are formed in the wiring harness isolation plate, the heat discharge holes correspond to the battery core, a sampling wiring harness is arranged on the upper side of the wiring harness isolation plate, the end part of the sampling wiring harness is electrically connected with a sampling sheet used for collecting the voltage or the temperature of the battery core, and the sampling wiring harness corresponds to the heat discharge holes.
2. The thermal safety battery module as claimed in claim 1, wherein an explosion-proof valve is arranged at the upper part of the battery core, and the explosion-proof valve is arranged in the heat discharge hole in a matching manner.
3. The thermal safety battery module as claimed in claim 1, wherein a bus bar is positioned and mounted on the harness isolation plate, a tab is disposed on an upper portion of the battery core, the bus bar is electrically connected with the tab, the sampling harness is electrically connected with the bus bar, and the sampling sheet is positioned and disposed on the bus bar.
4. The thermal safety battery module according to claim 3, wherein the bus bar is provided with a positioning groove, and the positioning groove is in concave-convex fit with the sampling sheet; still be equipped with the deformation dashpot on the busbar, the deformation dashpot corresponds the setting and is in adjacent two between the electric core.
5. The thermal safety battery module as claimed in claim 3, wherein the busbar is provided with a positioning hole and an identification hole, the positioning hole is in positioning fit with the tab of the battery cell, and the identification hole corresponds to the positive pole mark or the negative pole mark of the battery cell.
6. The thermal safety battery module according to any one of claims 1 to 5, wherein a plurality of the battery cells are stacked in parallel in the main housing, and a fireproof and heat-insulating buffer assembly is further disposed between two adjacent battery cells, and the fireproof and heat-insulating buffer assembly comprises two fireproof and heat-insulating cushions which are arranged at intervals and a cushion pad which is disposed between the two fireproof and heat-insulating cushions.
7. The thermal safety battery module according to claim 6, wherein the fireproof heat-insulating pad comprises a heat-insulating pad outer frame and a heat-insulating pad body, and the heat-insulating pad body is arranged in the heat-insulating pad outer frame; the heat insulating mattress frame adopts the silica gel material to make, just the heat insulating mattress body adopts aerogel material to make, the blotter adopts polypropylene foam to make.
8. The thermal safety battery module as claimed in claim 1, wherein a drainage baffle is further disposed on an upper side of the sampling harness, the drainage baffle has a plurality of shielding portions for shielding the heat dissipation holes, and a plurality of through holes are further disposed on an outer side of the shielding portions at intervals.
9. The thermal safety battery module according to claim 1, wherein the main housing is rectangular, and the thermal safety battery module comprises a bottom plate, two side plates and two end plates, the side plates are arranged along the length direction of the main housing, the end plates are arranged along the width direction of the main housing, and the plurality of battery cells are stacked along the length direction of the main housing.
10. The thermal safety battery module according to claim 9, wherein the end plates are provided inside with receiving grooves in which phase change heat absorbing structures are mounted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120417541.XU CN214505695U (en) | 2021-02-25 | 2021-02-25 | Thermal safety battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120417541.XU CN214505695U (en) | 2021-02-25 | 2021-02-25 | Thermal safety battery module |
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| Publication Number | Publication Date |
|---|---|
| CN214505695U true CN214505695U (en) | 2021-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120417541.XU Active CN214505695U (en) | 2021-02-25 | 2021-02-25 | Thermal safety battery module |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115425373A (en) * | 2022-09-15 | 2022-12-02 | 东风汽车集团股份有限公司 | Battery module and electric automobile |
| CN117117389A (en) * | 2023-10-24 | 2023-11-24 | 山东中卓环保能源科技有限公司 | New energy storage battery module and wire harness plate assembly thereof |
| WO2024026780A1 (en) * | 2022-08-04 | 2024-02-08 | 宁德时代新能源科技股份有限公司 | Battery and electrical device |
-
2021
- 2021-02-25 CN CN202120417541.XU patent/CN214505695U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024026780A1 (en) * | 2022-08-04 | 2024-02-08 | 宁德时代新能源科技股份有限公司 | Battery and electrical device |
| CN115425373A (en) * | 2022-09-15 | 2022-12-02 | 东风汽车集团股份有限公司 | Battery module and electric automobile |
| CN115425373B (en) * | 2022-09-15 | 2024-05-31 | 东风汽车集团股份有限公司 | Battery module and electric automobile |
| CN117117389A (en) * | 2023-10-24 | 2023-11-24 | 山东中卓环保能源科技有限公司 | New energy storage battery module and wire harness plate assembly thereof |
| CN117117389B (en) * | 2023-10-24 | 2024-01-09 | 山东中卓环保能源科技有限公司 | New energy storage battery module and wire harness plate assembly thereof |
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Effective date of registration: 20211231 Address after: 511434 No. 36, Longying Road, Shilou Town, Panyu District, Guangzhou City, Guangdong Province Patentee after: GAC AION New Energy Vehicle Co.,Ltd. Address before: 23rd floor, Chengyue building, No. 448-458, Dongfeng Middle Road, Yuexiu District, Guangzhou City, Guangdong Province 510030 Patentee before: GUANGZHOU AUTOMOBILE GROUP Co.,Ltd. |