CN104993187A - Mean-temperature method of cylindrical battery - Google Patents
Mean-temperature method of cylindrical battery Download PDFInfo
- Publication number
- CN104993187A CN104993187A CN201510418176.3A CN201510418176A CN104993187A CN 104993187 A CN104993187 A CN 104993187A CN 201510418176 A CN201510418176 A CN 201510418176A CN 104993187 A CN104993187 A CN 104993187A
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- Prior art keywords
- change material
- battery
- phase
- annulus
- battery pack
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Classifications
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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
- 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
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
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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
- H01M2200/00—Safety devices for primary or secondary batteries
-
- 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
Abstract
The invention discloses a mean-temperature method of a cylindrical battery. The mean-temperature method of the cylindrical battery has the technical scheme that 1, the arrangement mode is determined according to the battery pack forming requirements, and a casing module is designed; 2, a cylindrical battery cell is assembled in the casing module, and sealant is coated for sealing; 3, liquid phase change material composite glue is prepared; 4, the phase change material composite glue is poured into the casing module, and a battery pack with good temperature consistency is obtained after curing and forming. The phase change material composite glue is prepared by phase change materials and organic silicon filling and sealing glue according to a certain ratio, wherein the phase change materials use paraffin and graphite as major components; the organic silicon filling and sealing glue uses vinyl silicone oil and modified aluminum oxide powder as major components. Through the structure features of the mean-temperature method, the mean-temperature method has the beneficial effects that the battery core has good temperature consistency; the module structure is good in intensity and can pass by the battery pack-relevant vibration, falling and collision tests. The phase change material composite glue is encapsulated in the casing; no loss occurs after the long-time cyclic use; the permanent service life is realized.
Description
Technical field
The present invention relates to a kind of temperature equalizing method of cylindrical battery, especially a kind of phase-change thermal storage technology and heat conduction Embedding Material technology carry out heat absorption and heat conducting module to heat production time battery operated, belong to battery thermal management technical field.
Background technology
Along with the fast development of electric automobile, smart machine and electric energy storage series products, in the application of electrokinetic cell, 18650 type cylindrical batteries are due to technology relative maturity, production cost is low, power brick in groups utilance is high, stable performance, obtains the extensive use of producer.Electrokinetic cell is operationally because load power consumption is large, battery pack easily produces a large amount of heat when moment high power discharge, the processing mode of heat production become one of problem that cell stack designs emphasis considers, because the consistency difference of temperature is the key factor affecting battery operated efficiency between battery.Traditional type of cooling is as fan cooled because effect with low cost is undesirable still as the main type of cooling, and the mode of liquid cools is because cost is high and there is leak of liquid and send out risk, and rare producer adopts.Along with people are to the higher requirement of battery pack proposition safety and reliability aspect, traditional cooling scheme cannot be completely satisfied, and the heat management design difficulty of battery pack also improves gradually according to specific occasion application.Furthermore, when the power brick of equipment proposes, meeting on the basis as waterproof, collision, resistance to compression, anti-vibration and the requirement such as fire-retardant, when each battery has good temperature consistency (± 2 DEG C) effect, to there is no good solution at present.
Summary of the invention
For promote power brick battery between temperature consistency, and meet the requirement of battery pack structure safety and reliability, present invention is disclosed a kind of temperature equalizing method of cylindrical battery.The battery pack adopting the method to make, has good temperature consistency between battery, battery pack have structural strength good, can the high temperature resistant and feature that has extended cycle life, and the requirement of battery pack anti-flammability and insulating properties can be met.
For reaching above-mentioned effect, the technical solution used in the present invention is, 1, according to battery requirement determination arrangement mode in groups, and design housing module.2, cylindrical battery core is assembled in housing module, is coated with sealant sealing.3, obtaining liq phase-change material compound adhesive.4, phase-change material compound adhesive is poured in housing module, obtains the battery pack with good temperature consistency after curing molding.
Step one, arrangement mode according to battery requirement determination battery in groups, design housing module.Battery pack comprises upper casing, lower casing, battery, phase-change material compound adhesive, seal cover and fluid sealant.
Described upper casing is a shedding shell, is made up of, the first reinforcement reinforcement by connection first frame and the first planar wall rectangular first frame, the first planar wall and some first reinforcements.First planar wall is provided with some first through holes and the first annulus, arranges the second reinforcement as required between any two the first annulus.
Described lower casing is a shedding shell, is made up of, the 3rd reinforcement reinforcement by connection second frame and the second planar wall rectangular second frame, the second planar wall and some 3rd reinforcements.Second frame is provided with the second through hole and the second annulus, third through-hole and the 3rd annulus.Second planar wall is provided with some fourth holes and the 4th annulus, arranges the 4th reinforcement as required between any two the 4th annulus.
Described upper casing and lower casing can be combined into a housing module, and upper casing seals (can gluing or hot-melt adhesive paste) at the boss of registration interface designs and lower casing at the matching grooves of registration interface designs.Housing module after combination, the first through hole of described upper casing and the fourth hole position correspondence of lower casing, and the external diameter of the size in aperture and battery coupling, make battery be fixed.
Step 2, battery core pack to be loaded in above-mentioned housing module.Instil in the gap of the anchor ring of each battery head and the first annulus of upper casing fluid sealant respectively, makes to form sealing between battery and upper casing.Another head of battery and lower casing do same sealing.
Step 3, preparation phase-change material compound adhesive.(1) phase-change material is made up of according to weight portion according to a certain percentage paraffin, expanded graphite, fire retardant and macromolecule stabilizer.First heating paraffin is melted into liquid, then adds expanded graphite, fire retardant and macromolecule stabilizer and stir, after cooling, phase-change material is ground to form to be less than 200 object solid powders stand-by.(2) configure bi-component organic silicon potting adhesive, main component is vinyl silicone oil, alumina powder jointed, the silane coupler of modification and platinum catalyst etc., configures according to a certain percentage form according to weight portion, and configuration is viscous liquid under normal temperature after stirring.(3) preparation is stirred at normal temperatures in certain mass ratio in above-mentioned (1) and (2), obtains the liquid phase change material compound adhesive with good fluidity and appropriate viscosity after stirring.
Step 4, the embedding of liquid composite phase-change material glue are in battery pack.Encapsulating method is: the third through-hole seal cap sealing of lower casing, and the second via openings of lower casing is placed upward, and the above-mentioned liquid phase change material compound adhesive prepared pours housing module inside into by the second through hole, until fill.Use the second hole of seal cap sealing lower casing after the solidification of liquid phase change material compound adhesive, so far the equal isothermal segment of battery pack has assembled, and can enter battery pack assembling next step.
The architectural feature of this cylindrical battery temperature equalizing method in sum, the phase-change material compound adhesive after solidification and the face of cylinder good contact of battery, phase-change material compound adhesive is sealed in housing simultaneously.Its beneficial effect is: 1, phase-change material compound adhesive has the heat storage function of phase-change material, there is good heat conductivility simultaneously, the heat production during work of each battery is rapidly absorbed transmission, and the working temperature between battery reaches unanimity, and makes the service behaviour of battery obtain best performance.2, phase-change material compound adhesive is sealed in shell, can not leak, and the material of phase-change material compound adhesive does not reduce itself, long service life, does not impact other part of battery case inside simultaneously.3, solidification after, phase-change material compound adhesive is the solid with certain softer, elastic, battery pack vibration, fall and clash into time, good protective effect can be had to battery, improve fail safe and the environmental suitability of battery pack.4, phase-change material compound adhesive has good heat conductivility, and by the hot link of housing module and battery case, exploitation secondary cooling measure, improves the performance of battery pack.On overall, the temperature equalizing method of described this cylindrical battery has good practical value, is worthy of promotion and application.
Accompanying drawing explanation
The battery pack overall diagram that Fig. 1 adopts the present invention to design.
The battery pack exploded view that Fig. 2 adopts the present invention to design.
Fig. 3 upper case structure figure.
Fig. 4 lower casing structure chart.
Structure chart (not pouring into phase-change material compound adhesive) after the assembling of Fig. 5 battery.
Fig. 6 battery pack finished product analyses and observe detail view.
Embodiment
Below embodiments of the present invention are specifically described.
Step one, arrangement mode according to battery requirement determination battery in groups, design housing module.In the present embodiment, 30 battery that battery pack arranges evenly arrangement by 5 row 6 form.The overall diagram of battery pack is as Fig. 1, and the exploded view of battery pack, as Fig. 2, comprises upper casing 1, lower casing 2, battery 3, phase-change material compound adhesive 4, seal cover 5 and fluid sealant 6.
As shown in Figure 3, described upper casing 1 is a shedding shell, is made up of rectangular first frame 11, first planar wall 12 and some first reinforcements 13, the first reinforcement 13 reinforcement by connection first frame 11 and the first planar wall 12.First planar wall 12 is provided with some first through hole 121 and the first annulus 122, arranges the second reinforcement 123 as required between any two the first annulus 122.
As shown in Figure 4, described lower casing 2 is shedding shells, is made up of rectangular second frame 21, second planar wall 22 and some 3rd reinforcements 23, the 3rd reinforcement 23 reinforcement by connection second frame 21 and the second planar wall 22.Second frame 21 is provided with the second through hole 211 and the second annulus 212, third through-hole 213 and the 3rd annulus 214 as shown in the figure.Second planar wall 22 is provided with some fourth holes 221 and the 4th annulus 222, arranges the 4th reinforcement 223 as required between any two the 4th annulus.
As shown in Figure 5 and Figure 6, described upper casing 1 and lower casing 2 can be combined into a housing module, and the boss 111 that upper casing 1 designs at mating surface 11P and lower casing 2 mate sealing (can gluing or hot-melt adhesive paste) at the groove 215 that mating surface 21P designs.Housing module after combination, the first through hole 121 of described upper casing 1 and the fourth hole 221 position correspondence of lower casing 2, and the external diameter of the size in aperture and battery 3 coupling, make battery 3 be fixed.
Step 2, battery 3 is assembled in (as Fig. 5) in above-mentioned housing module.As the detailed view of Fig. 6, at the gap instillation fluid sealant 6 respectively of the anchor ring of each battery 3 head and the first annulus 122 of upper casing 1, make to form sealing between battery 3 and upper casing 1.Another head and the lower casing 2 of battery 3 do same sealing.
Step 3, configuration phase-change material compound adhesive 4.(1) phase-change material by paraffin, expanded graphite, fire retardant and macromolecule stabilizer in mass ratio routine 100:10:5:2 form.First heating paraffin is melted into liquid, then adds expanded graphite, fire retardant and macromolecule stabilizer and stir, after cooling, phase-change material is ground to form to be less than 200 object solid powders stand-by.(2) configure bi-component organic silicon potting adhesive, main component is vinyl silicone oil, alumina powder jointed, the silane coupler of modification and platinum catalyst etc., and 200:400:10:1 proportional arrangement by weight forms, and configuration is viscous liquid under normal temperature after stirring.(3) above-mentioned (1) and (2) in mass ratio routine 4:10 stir preparation at normal temperatures, obtain the liquid phase change material compound adhesive 4 with good fluidity and appropriate viscosity after stirring.
Step 4, the embedding of liquid composite phase-change material glue are in battery pack.Encapsulating method is: the third through-hole 213 of lower casing 2 is sealed with seal cover 5, and the opening up placement of the second through hole 211 of lower casing 2, the above-mentioned liquid phase change material compound adhesive 4 prepared pours housing module inside into, until fill by the second through hole 211.Liquid phase change material compound adhesive 4 solidifies the second hole 211 that rear use seal cover 5 seals lower casing 2, and so far the equal isothermal segment of battery pack has assembled, and can enter battery pack assembling next step.
Above-described embodiment is the present invention's preferably execution mode; but embodiments of the present invention are not restricted to the described embodiments; as adjusted the formula rate of material; change the position of wherein parts, quantity or change the shape etc. of housing; change, the modification done under other any does not deviate from Spirit Essence of the present invention and principle, substitute, combine, simplify; all should be substitute mode and the technical scheme of equivalence, be included within protection scope of the present invention.
Claims (7)
1. a temperature equalizing method for cylindrical battery, its technical scheme is, (1), according to battery requirement determination arrangement mode in groups, designs housing module; (2) cylindrical battery core is assembled in housing module, is coated with sealant sealing; (3) obtaining liq phase-change material compound adhesive; (4) phase-change material compound adhesive is poured in housing module, obtains the battery pack with good temperature consistency after curing molding;
Battery pack comprises upper casing, lower casing, battery, phase-change material compound adhesive, seal cover and fluid sealant.
2. upper casing according to claim 1 is a shedding shell, is made up of, the first reinforcement reinforcement by connection first frame and the first planar wall rectangular first frame, the first planar wall and some first reinforcements; First planar wall is provided with some first through holes and the first annulus, arranges the second reinforcement as required between any two the first annulus.
3. lower casing according to claim 1 is a shedding shell, is made up of, the 3rd reinforcement reinforcement by connection second frame and the second planar wall rectangular second frame, the second planar wall and some 3rd reinforcements; Second frame is provided with the second through hole and the second annulus, third through-hole and the 3rd annulus; Second planar wall is provided with some fourth holes and the 4th annulus, arranges the 4th reinforcement as required between any two the 4th annulus.
4. phase-change material compound adhesive according to claim 1, its collocation method is: (1) phase-change material is made up of according to weight portion according to a certain percentage paraffin, expanded graphite, fire retardant and macromolecule stabilizer; First heating paraffin is melted into liquid, then adds expanded graphite, fire retardant and macromolecule stabilizer and stir, after cooling, phase-change material is ground to form to be less than 200 object solid powders stand-by; (2) configure bi-component organic silicon potting adhesive, main component is vinyl silicone oil, alumina powder jointed, the silane coupler of modification and platinum catalyst etc., configures according to a certain percentage form according to weight portion, and configuration is viscous liquid under normal temperature after stirring; (3) preparation is stirred at normal temperatures in certain mass ratio in above-mentioned (1) and (2), obtains the liquid phase change material compound adhesive with good fluidity and appropriate viscosity after stirring.
5. upper casing according to claim 1 and lower casing can be combined into a housing module, and upper casing seals (can gluing or hot-melt adhesive paste) at the boss of registration interface designs and lower casing at the matching grooves of registration interface designs; Housing module after combination, the first through hole of described upper casing and the fourth hole position correspondence of lower casing, and the external diameter of the size in aperture and battery coupling.
6. a kind of cylindrical battery temperature equalizing method according to claim 1, its phase-change material heat-conducting glue by the mode of perfusion, the phase-change material heat-conducting glue of liquid condition is poured in the housing of battery pack, and phase-change material heat-conducting glue is at enclosure interior curing molding.
7. seal cover according to claim 1, it is for sealing the second through hole and the third through-hole of lower casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510418176.3A CN104993187A (en) | 2015-07-16 | 2015-07-16 | Mean-temperature method of cylindrical battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510418176.3A CN104993187A (en) | 2015-07-16 | 2015-07-16 | Mean-temperature method of cylindrical battery |
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| CN104993187A true CN104993187A (en) | 2015-10-21 |
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| CN201510418176.3A Pending CN104993187A (en) | 2015-07-16 | 2015-07-16 | Mean-temperature method of cylindrical battery |
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|---|---|---|---|---|
| CN105552472A (en) * | 2016-01-26 | 2016-05-04 | 苏州安靠电源有限公司 | High-capacity battery pack temperature control apparatus and high-capacity battery pack with same |
| CN105720322A (en) * | 2016-03-23 | 2016-06-29 | 广东工业大学 | Battery module heating apparatus and manufacturing method therefor |
| CN105810867A (en) * | 2016-05-10 | 2016-07-27 | 国防科学技术大学 | Solid-state polymer lithium battery pack and preparation method thereof |
| CN105811046A (en) * | 2016-06-01 | 2016-07-27 | 广东工业大学 | Battery module |
| CN105826632A (en) * | 2016-03-25 | 2016-08-03 | 北京新能源汽车股份有限公司 | Battery module and vehicle provided with same |
| CN105870539A (en) * | 2016-06-03 | 2016-08-17 | 广东工业大学 | Battery module |
| CN106058373A (en) * | 2016-08-08 | 2016-10-26 | 欣旺达电子股份有限公司 | Heat-conducting and heat-absorbing component for battery pack and battery pack |
| CN106207042A (en) * | 2016-09-12 | 2016-12-07 | 北京新能源汽车股份有限公司 | A kind of battery module and automobile |
| CN106229437A (en) * | 2016-08-31 | 2016-12-14 | 戴剑兵 | A kind of battery modules |
| CN106257742A (en) * | 2016-09-14 | 2016-12-28 | 安徽舟之航电池有限公司 | Vehicular dynamic battery system temperature control system |
| CN106785221A (en) * | 2017-02-10 | 2017-05-31 | 华霆（合肥）动力技术有限公司 | Battery cooling apparatus preparation method, battery cooling apparatus and battery modules |
| CN107346813A (en) * | 2017-08-24 | 2017-11-14 | 乔丰科技实业（深圳）有限公司 | A kind of plastic structure and its processing method for being used to install battery |
| CN108063196A (en) * | 2016-11-07 | 2018-05-22 | 南京德朔实业有限公司 | Battery pack and electric tool |
| CN109148773A (en) * | 2018-08-26 | 2019-01-04 | 深圳市领航致远科技有限公司 | A kind of battery protecting apparatus and balance car of balance car |
| CN109722215A (en) * | 2017-10-27 | 2019-05-07 | 宁德时代新能源科技股份有限公司 | Heat absorption pouring sealant and battery thereof |
| CN111864314A (en) * | 2020-07-24 | 2020-10-30 | 苏州华骞时代新能源科技有限公司 | Lithium cell group temperature equalization mechanism |
| CN112186296A (en) * | 2020-09-23 | 2021-01-05 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Battery thermal management structure |
| CN112736343A (en) * | 2020-12-29 | 2021-04-30 | 深圳市依卓尔能源有限公司 | Power supply radiating through heat-conducting phase-change composite material and preparation method thereof |
| WO2022002255A1 (en) * | 2020-07-03 | 2022-01-06 | 苏州宝时得电动工具有限公司 | Battery pack, and manufacturing method therefor |
| US11283118B2 (en) | 2017-10-27 | 2022-03-22 | Lg Energy Solution, Ltd. | Battery module integrated with battery cell cooling and fixing structure, and battery pack including same |
| CN114830419A (en) * | 2020-06-16 | 2022-07-29 | 株式会社Lg新能源 | Battery pack, electronic apparatus and vehicle including the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105552472A (en) * | 2016-01-26 | 2016-05-04 | 苏州安靠电源有限公司 | High-capacity battery pack temperature control apparatus and high-capacity battery pack with same |
| CN105720322A (en) * | 2016-03-23 | 2016-06-29 | 广东工业大学 | Battery module heating apparatus and manufacturing method therefor |
| CN105720322B (en) * | 2016-03-23 | 2018-11-23 | 广东工业大学 | A kind of battery modules heating device and its manufacturing method |
| CN105826632A (en) * | 2016-03-25 | 2016-08-03 | 北京新能源汽车股份有限公司 | Battery module and vehicle provided with same |
| WO2017193227A1 (en) * | 2016-05-10 | 2017-11-16 | 国防科学技术大学 | Solid-state polymer lithium battery pack and preparation method therefor |
| CN105810867A (en) * | 2016-05-10 | 2016-07-27 | 国防科学技术大学 | Solid-state polymer lithium battery pack and preparation method thereof |
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| CN105811046A (en) * | 2016-06-01 | 2016-07-27 | 广东工业大学 | Battery module |
| CN105870539A (en) * | 2016-06-03 | 2016-08-17 | 广东工业大学 | Battery module |
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| CN106207042A (en) * | 2016-09-12 | 2016-12-07 | 北京新能源汽车股份有限公司 | A kind of battery module and automobile |
| CN106257742A (en) * | 2016-09-14 | 2016-12-28 | 安徽舟之航电池有限公司 | Vehicular dynamic battery system temperature control system |
| CN108063196A (en) * | 2016-11-07 | 2018-05-22 | 南京德朔实业有限公司 | Battery pack and electric tool |
| CN108063196B (en) * | 2016-11-07 | 2021-08-27 | 南京德朔实业有限公司 | Battery pack and electric tool |
| CN106785221B (en) * | 2017-02-10 | 2019-02-26 | 华霆（合肥）动力技术有限公司 | Battery cooling apparatus preparation method, battery cooling apparatus and battery modules |
| CN106785221A (en) * | 2017-02-10 | 2017-05-31 | 华霆（合肥）动力技术有限公司 | Battery cooling apparatus preparation method, battery cooling apparatus and battery modules |
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| US11283118B2 (en) | 2017-10-27 | 2022-03-22 | Lg Energy Solution, Ltd. | Battery module integrated with battery cell cooling and fixing structure, and battery pack including same |
| CN109722215A (en) * | 2017-10-27 | 2019-05-07 | 宁德时代新能源科技股份有限公司 | Heat absorption pouring sealant and battery thereof |
| CN109148773A (en) * | 2018-08-26 | 2019-01-04 | 深圳市领航致远科技有限公司 | A kind of battery protecting apparatus and balance car of balance car |
| CN114830419A (en) * | 2020-06-16 | 2022-07-29 | 株式会社Lg新能源 | Battery pack, electronic apparatus and vehicle including the same |
| WO2022002255A1 (en) * | 2020-07-03 | 2022-01-06 | 苏州宝时得电动工具有限公司 | Battery pack, and manufacturing method therefor |
| CN111864314A (en) * | 2020-07-24 | 2020-10-30 | 苏州华骞时代新能源科技有限公司 | Lithium cell group temperature equalization mechanism |
| CN112186296A (en) * | 2020-09-23 | 2021-01-05 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Battery thermal management structure |
| CN112186296B (en) * | 2020-09-23 | 2022-02-15 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Battery thermal management structure |
| CN112736343A (en) * | 2020-12-29 | 2021-04-30 | 深圳市依卓尔能源有限公司 | Power supply radiating through heat-conducting phase-change composite material and preparation method thereof |
| WO2023075309A1 (en) * | 2021-10-27 | 2023-05-04 | 주식회사 엘지에너지솔루션 | Cylindrical battery module and cylindrical battery pack including same |
| WO2023080551A1 (en) * | 2021-11-08 | 2023-05-11 | 주식회사 엘지에너지솔루션 | Battery module having function of preventing leakage of potting resin and battery pack including same |
| WO2023115505A1 (en) * | 2021-12-24 | 2023-06-29 | 宁德时代新能源科技股份有限公司 | Battery, power consumption device, preparation method for battery, and manufacturing mold |
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