CN109860461A - The preparation method of battery case, battery and battery case - Google Patents
The preparation method of battery case, battery and battery case Download PDFInfo
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- CN109860461A CN109860461A CN201910059814.5A CN201910059814A CN109860461A CN 109860461 A CN109860461 A CN 109860461A CN 201910059814 A CN201910059814 A CN 201910059814A CN 109860461 A CN109860461 A CN 109860461A
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- outer cover
- cover body
- battery case
- battery
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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 present invention relates to battery technology field, the preparation method of specially a kind of battery case, battery and battery case.The battery case includes outer cover body, and the outer cover body encloses a cavity body by two pairs of sides and a bottom surface；Each pair of side includes two parallel sides；Opening corresponding with the bottom surface is provided in the cavity body；The area of first pair of side is greater than the area of second pair of side, and the centre of two sides of first pair of side is each provided at least one to the protrusion protruded inside the cavity body；The inner surface and the outer surface of the outer cover body covers one layer of nonconducting passivation layer.For the battery case by designing the strip of gully shape on the side of outer cover body, increasing heat radiation area improves the heat-sinking capability of battery case.
Description
Technical field
The present invention relates to battery technology field, the system of a kind of battery case, battery and battery case is especially related to
Preparation Method.
Background technique
Motorized is the main trend of auto industry future development, in rigid requirements such as energy-saving and emission-reduction, the emission regulations of country
Under, new-energy automobile is taken advantage of a favourable situation and is risen.Core component of the lithium-ion-power cell as current new-energy automobile, in recent years
It rapidly develops.In order to meet the requirement of electric car course continuation mileage and quick charge, have battery by increasing battery capacity
There is higher energy density.However temperature rise is higher particularly problematic in use for lithium ion battery, works as lithium-ion electric
When pond internal temperature rise is excessively high, more side reaction can occur for inside battery, so that lithium ion battery makes lithium ion battery produce gas
It can be deteriorated with cycle performance, meanwhile, battery quantity of heat production is big and heat-sinking capability difference easily causes the thermal runaway of single battery, to draw
Safety accident is sent out, present, production caused by how solving lithium ion battery in use is gradually popularized in new-energy automobile
Heat and heat dissipation problem become particularly significant.
Summary of the invention
The main object of the present invention is to provide a kind of battery case, it is intended to solve what lithium ion battery was generated in use process
Heat is not easy the problem of distributing.
The present invention proposes a kind of battery case, including outer cover body, and the outer cover body is by two pairs of sides and a bottom surface
Enclose a cavity body；Each pair of side includes two parallel sides；It is provided in the cavity body and the bottom surface phase
Corresponding opening；The area of first pair of side is greater than the area of second pair of side, in two sides of first pair of side
Between be each provided at least one to the protrusion protruded inside the cavity body；The inner surface and the outer surface of the outer cover body is equal
Cover one layer of nonconducting passivation layer.
Further, above-mentioned battery case further includes top cover, and the top cover is installed over said opening, the relatively described bottom surface
Setting, the top cover are connected with the outer cover body.
Further, explosion-protection equipment is provided on the top cover.
Further, the outer cover body material is aluminium alloy.
The application also proposes a kind of lithium ion battery, including battery case as described in any one of the above embodiments.
The application also proposes the preparation method of battery case described in any of the above embodiments, comprising steps of
Outer cover body is immersed in 30-80 DEG C of degreasing cleaning fluid and cleans 5-15min；
Outer cover body is cleaned with tap water；
Outer cover body is immersed to 2-10min in 40-70 DEG C of lye；
Outer cover body is immersed to 3-6min in 30-70 DEG C of acid solution；
Outer cover body is immersed as anode in corresponding electrolyte, is 15-35 DEG C in solution temperature, voltage is 15-30V's
Under the conditions of carry out solution, outer cover body surfaces externally and internally generates one layer of passivation layer.
Further, the degreasing cleaning fluid ingredient includes one of gasoline, carbon tetrachloride, trichloro ethylene or a variety of.
Further, the lye ingredient includes one of sodium hydroxide, sodium metasilicate, sodium carbonate or a variety of.
Further, the acid solution ingredient includes one of nitric acid, sulfuric acid, phosphoric acid or a variety of.
Compared with prior art, the beneficial effects of the present invention are: the battery case on the side of outer cover body by designing
The strip of gully shape, increasing heat radiation area improve the heat-sinking capability of battery case.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the battery case of the embodiment of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
In figure: 1, outer cover body, 2, first pairs of sides, 3, second pairs of sides, 4, protrusion, 5, passivation layer.
Specific embodiment
It should be appreciated that the description for being such as related to " first ", " second " in invention is used for description purposes only, and cannot understand
For its relative importance of indication or suggestion or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.Specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
Referring to Fig.1, the application proposes a kind of battery case, including outer cover body 1, and the outer cover body 1 is by two pairs of sides
A cavity body is enclosed with a bottom surface (not shown)；Each pair of side includes two parallel sides；The cavity
Opening corresponding with the bottom surface is provided on body；The area of first pair of side 2 is greater than the area of second pair of side 3, described
The centre of two sides of first pair of side 2 is each provided at least one to the protrusion 4 protruded inside the cavity body；It is described
The inner surface and the outer surface of outer cover body 1 covers one layer of nonconducting passivation layer 5.
In this embodiment, the outer cover body 1 encloses a cavity body by two pairs of sides and a bottom surface, wherein two
Opposite side face includes four sides, and each opposite side face includes two sides, and the two sides are parallel.Piece of metal is passed through into drawing
It stretches moulding process and encloses the outer cover body 1 for constituting rectangular-shape, it is preferred that the thickness of the side and the bottom surface is 0.6-
1.0mm；The area of first pair of side 2 is greater than the area of second pair of side 3, the centre of two sides of first pair of side 2
At least one is each provided with to the protrusion 4 protruded inside the cavity body, it is preferred that the present embodiment is in first pair of side
The centre of 2 two sides is each provided with three to the protrusion 4 protruded inside the cavity body；The area of first pair of side 2
Larger, protrusion 4 refers to being equipped in the centre of the inner surface of first pair of side 2 to protruding inside the cavity body in gully
The strip of shape, strip protrude from the inner surface of first pair of side 2.The heat that lithium ion battery generates during charge or discharge
It directly exports and distributes by first pair of side 2 of outer cover body 1, ensure that lithium ion battery work within the scope of normal temperature
Make, improves the cycle performance of lithium ion battery, also effectively prevent the thermal runaway situation caused because heat can not distribute, simultaneously
Production efficiency is also improved, production cost is reduced.It is noted that when single battery is at mould group, 1 surface of outer cover body
The strip in gully shape of protrusion can also add cooling device, improve heat-sinking capability.1 inner surface of outer cover body covers one layer not
Conductive passivation layer 5, when accommodating lithium battery in outer cover body 1, what lithium battery touched be outer cover body 1 inner surface on do not lead
The passivation layer 5 of electricity prevents lithium battery short-circuit, increases safety so that lithium battery and outer cover body 1 be kept apart.Outer cover body 1
Outer surface covers one layer of nonconducting passivation layer 5, can be used for that outer surface is protected not to be corroded, while having beautiful effect.
It in one embodiment, further include top cover (not shown), the top cover installation is over said opening, relatively described
Bottom surface setting, the top cover are connected with the outer cover body 1.
In this embodiment, top cover is arranged in the opening of outer cover body 1, in such a way that welding and/or screw are fixed,
Top cover with outer cover body 1 is closely coupled connects, form the space of a sealing, can prevent the electrolyte of battery from leaking, together
When be also possible to prevent external liquid and enter inside outer cover body 1.
In one embodiment, explosion-protection equipment is provided on the top cover.
In this embodiment, it is provided with explosion-protection equipment on top cover, when battery occurs unexpected, once exploding, will had
Effect reduces blast impulse and involves bomb fragments to the probability of personal injury and property loss.
In one embodiment, 1 material of outer cover body is aluminium alloy.
In this embodiment, 1 material of outer cover body is aluminium alloy, and one side aluminum alloy material is compared to other metal materials
Matter has light weight, and the high advantage of intensity, aluminum alloy casing resistance to deformation intensity is big, can effectively improve the circulation of lithium battery
Utilize the service life；Another aspect aluminum alloy material corrosion resistance is strong, when lithium battery uses aluminum alloy material as battery case, no
Using only when it is relatively low to operating environment requirements, can also realize the protection to battery internal components.Aluminum alloy casing one simultaneously
Denier is damaged, and can be replaced in time, is recycled to the aluminum alloy casing of damage, is protected environment well.
The application also proposes a kind of lithium ion battery, including described in any item battery cases among the above.Using the present invention
Battery case lithium ion battery, in lithium ion battery coil core process, the larger face temperature rise of core is big, influences after core is encapsulated
Heat dissipation performance improves production efficiency using that can cancel this encapsulated process of core after the battery case, reduces production cost.
The application first embodiment also proposes the preparation method of battery case, comprising steps of
S1,15min will be cleaned in 30 DEG C of outer cover body immersion of degreasing cleaning fluid；
S2, outer cover body is cleaned with tap water；
S3, outer cover body is immersed into 10min in 40 DEG C of lye；
S4, outer cover body is immersed into 6min in 30 DEG C of acid solution；
S5, outer cover body is immersed as anode in corresponding electrolyte, the sulfuric acid solution that electrolyte is 15%, aluminium ion contains
Amount is less than 5g/L, 35 DEG C of solution temperature, a solution is carried out under the conditions of voltage 30V, outer cover body surfaces externally and internally generates one layer of passivation
Layer 5.In outer cover body inside and outside wall after specially treated, one layer of passivation layer 5 is covered.
Preferentially, the thickness range of passivation layer 5 is 20-80um.
Wherein, the degreasing cleaning fluid ingredient includes one of gasoline, carbon tetrachloride, trichloro ethylene or a variety of；It is described
Lye ingredient includes one of sodium hydroxide, sodium metasilicate, sodium carbonate or a variety of；The acid solution ingredient includes nitric acid, sulfuric acid, phosphorus
One of acid is a variety of.
The application second embodiment also proposes the preparation method of battery case, comprising steps of
S1,5min will be cleaned in 80 DEG C of outer cover body immersion of degreasing cleaning fluid；
S2, outer cover body is cleaned with tap water；
S3, outer cover body is immersed into 2min in 70 DEG C of lye；
S4, outer cover body is immersed into 3min in 70 DEG C of acid solution；
S5, outer cover body is immersed as anode in corresponding electrolyte, the sulfuric acid solution that electrolyte is 15%, aluminium ion contains
Amount is less than 5g/L, 15 DEG C of solution temperature, a solution is carried out under the conditions of voltage 15V, outer cover body surfaces externally and internally generates one layer of passivation
Layer 5.In outer cover body inside and outside wall after specially treated, one layer of passivation layer 5 is covered.
Preferentially, the thickness range of passivation layer 5 is 20-80um.
Wherein, the degreasing cleaning fluid ingredient includes one of gasoline, carbon tetrachloride, trichloro ethylene or a variety of；It is described
Lye ingredient includes one of sodium hydroxide, sodium metasilicate, sodium carbonate or a variety of；The acid solution ingredient includes nitric acid, sulfuric acid, phosphorus
One of acid is a variety of.
Test case
Ternary (NCM523, the NCM523 are ternary material model) rectangular 50Ah capacity type battery core is chosen in this example
(2614891, described 2614891 be battery core model), this battery core designs for multi pole ears, in battery core manufacturing process, in advance naked
Temp.-sensing wire is laid between two core of battery core.Temp.-sensing wire is used for the temperature rise tested in the battery core course of work, is located in one of
Core surface middle part.
Battery case of the present invention is assembled into together with explosionproof top cover, naked battery core, electrolyte and backing board 2614891 lithiums from
Sub- battery, in this test case, technique is made without the encapsulated link of core.
Test case has the battery of the battery case of passivation layer using the present invention, tests 3C electric discharge temperature rise, 4C electric discharge temperature
Liter, 3C/1C cycle life, 4C/1C cycle life, test result are as shown in table 1.
Above every test all uses the conventional test manner of this field, is not specifically limited herein.
Comparative example
Selection ternary (NCM523, the NCM523 are ternary material model) rectangular 50Ah capacity type battery core (2614891,
Described 2614891 be battery core model), this battery core designs for multi pole ears, and battery case selects common aluminum alloy outer cover body, in battery core
In manufacturing process, temp.-sensing wire is laid between two core of naked battery core in advance.Temp.-sensing wire is for testing in the battery core course of work
Temperature rise, be located in one of core surface middle part, technique production has the encapsulated link of core.
Common enclosure is assembled into 2614891 lithium ion batteries together with top cover, naked battery core, electrolyte and backing board, this
In comparative example, technique production has the encapsulated link of core.
Comparative example uses the battery of common batteries shell, tests 3C electric discharge temperature rise, 4C electric discharge temperature rise, 3C/1C circulation longevity
Life, 4C/1C cycle life, test result are as shown in table 1.
Above every test all uses the conventional test manner of this field, is not specifically limited herein.
1 test case of table and the cell testing results of comparative example preparation
It is shown by above-mentioned test result it is found that the test case of the application is bright in terms of heat dissipation performance compared with comparative example
Aobvious to be better than comparative example, battery case of the invention is used to be packed into lithium ion battery coil core, the structure increase side of the strip of gully shape
The heat-sinking capability of shape lithium ion battery, using the battery of battery case of the invention in 3C, 4C electric discharge temperature rise experiment, compared to
There is apparent reduction using the battery of common batteries shell, simultaneously because battery heat dissipation performance is good, 3C/1C, 4C/1C circulation
There is bigger promotion in service life.Battery case of the invention simultaneously is nonconducting blunt in one layer of surfaces externally and internally generation by processing
Change layer, core no longer needs this encapsulated process, and the heat that lithium ion battery generates in charge and discharge process directly passes through metal
Outer cover body is exported and is distributed, and be ensure that lithium ion battery works within the scope of normal temperature, is improved following for lithium ion battery
Ring performance also effectively prevents the thermal runaway situation caused because heat can not distribute, while also improving production efficiency, reduces
Production cost.
It is noted that battery discharge C rate, the size of general charging and discharging currents are often indicated with charge-discharge magnification, it may be assumed that
Charge-discharge magnification=charging and discharging currents/rated capacity；Such as: when rated capacity is that the battery of 100Ah is discharged with 20A, electric discharge
Multiplying power is 0.2C.C: the ratio for indicating battery charging and discharging size of current, i.e. multiplying power；1C, 2C, 0.2C are battery discharge speed
Rate: a kind of measurement of electric discharge speed is indicated.1 hour discharge off of capacity used, referred to as 1C electric discharge；5 hours discharge offs, then
Referred to as 1/5=0.2C electric discharge.The capacity of battery can be generally detected by different discharge currents.24Ah battery is come
It says, 2C discharge current is 48A, and 0.5C discharge current is 12A.
In conclusion the battery case increases radiating surface by the strip of the design gully shape on the side of outer cover body 1
The long-pending heat-sinking capability to improve battery case；It is nonconducting in one layer of the inner surface and the outer surface covering of outer cover body 1 simultaneously
Passivation layer 5 can cancel the encapsulated process of core, not only improve production efficiency, but also reduce cost.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all utilizations
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content is applied directly or indirectly in other correlations
Technical field, be included within the scope of the present invention.
Claims (9)
1. a kind of battery case, which is characterized in that including outer cover body, the outer cover body is enclosed by two pairs of sides and a bottom surface
Synthesize a cavity body；Each pair of side includes two parallel sides；It is provided in the cavity body opposite with the bottom surface
The opening answered；The area of first pair of side is greater than the area of second pair of side, the centre of two sides of first pair of side
At least one is each provided with to the protrusion protruded inside the cavity body；The inner surface and the outer surface of the outer cover body is covered
One layer of nonconducting passivation layer of lid.
2. battery case as described in claim 1, which is characterized in that further include top cover, the top cover is mounted on the opening
On, the relatively described bottom surface setting, the top cover is connected with the outer cover body.
3. battery case as claimed in claim 2, which is characterized in that be provided with explosion-protection equipment on the top cover.
4. battery case as described in claim 1, which is characterized in that the outer cover body material is aluminium alloy.
5. a kind of lithium ion battery, which is characterized in that including battery case such as of any of claims 1-4.
6. the preparation method of battery case of any of claims 1-4, which is characterized in that comprising steps of
Outer cover body is immersed in 30-80 DEG C of degreasing cleaning fluid and cleans 5-15min；
Outer cover body is cleaned with tap water；
Outer cover body is immersed to 2-10min in 40-70 DEG C of lye；
Outer cover body is immersed to 3-6min in 30-70 DEG C of acid solution；
Outer cover body is immersed as anode in corresponding electrolyte, is 15-35 DEG C in solution temperature, voltage is the condition of 15-30V
Under carry out solution, outer cover body surfaces externally and internally generates one layer of passivation layer.
7. the preparation method of battery case as claimed in claim 6, which is characterized in that the degreasing cleaning fluid ingredient includes vapour
One of oil, carbon tetrachloride, trichloro ethylene are a variety of.
8. the preparation method of battery case as claimed in claim 6, which is characterized in that the lye ingredient includes hydroxide
One of sodium, sodium metasilicate, sodium carbonate are a variety of.
9. the preparation method of battery case as claimed in claim 6, which is characterized in that the acid solution ingredient includes nitric acid, sulphur
One of acid, phosphoric acid are a variety of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910059814.5A CN109860461A (en) | 2019-01-22 | 2019-01-22 | The preparation method of battery case, battery and battery case |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910059814.5A CN109860461A (en) | 2019-01-22 | 2019-01-22 | The preparation method of battery case, battery and battery case |
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| CN109860461A true CN109860461A (en) | 2019-06-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111961310A (en) * | 2020-07-21 | 2020-11-20 | 界首市南都华宇电源有限公司 | Power battery shell material |
| CN116732508A (en) * | 2023-08-16 | 2023-09-12 | 江苏睿恩新能源科技有限公司 | Surface anti-corrosion treatment method for lithium ion battery steel shell |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060063174A (en) * | 2004-12-07 | 2006-06-12 | 삼성에스디아이 주식회사 | Secondary battery module and wall of secondary battery module |
| CN201758157U (en) * | 2010-06-30 | 2011-03-09 | 中国电力科学研究院 | Battery module with cooling channel |
| CN105633306A (en) * | 2015-12-17 | 2016-06-01 | 佛山市南海区欣源电子有限公司 | Cooling-type lithium-ion battery |
| CN105762311A (en) * | 2016-04-07 | 2016-07-13 | 苏州工业园区职业技术学院 | Cooling shell used for power battery |
| WO2017076867A1 (en) * | 2015-11-02 | 2017-05-11 | Valeo Klimasysteme Gmbh | Cooling module for a battery, battery for a vehicle and method for producing a cooling module |
| CN106835231A (en) * | 2016-12-22 | 2017-06-13 | 当涂县宏宇金属炉料有限责任公司 | A kind of aluminium alloy surface treatment method |
| US20180019508A1 (en) * | 2015-03-27 | 2018-01-18 | Lg Chem, Ltd. | Battery module |
| US20180090728A1 (en) * | 2015-09-18 | 2018-03-29 | Lg Chem, Ltd. | Battery pack |
| CN107958966A (en) * | 2016-10-18 | 2018-04-24 | 南京金邦动力科技有限公司 | A kind of automobile lithium battery group installs case |
| CN107958971A (en) * | 2016-10-18 | 2018-04-24 | 南京金邦动力科技有限公司 | A kind of automobile lithium battery assembly housing |
| CN207504143U (en) * | 2017-12-01 | 2018-06-15 | 广州旅行家电子商务有限公司 | A kind of novel startup battery |
| CN207587875U (en) * | 2017-11-30 | 2018-07-06 | 广东安电能源科技有限公司 | A kind of lithium ion battery with radiator structure |
| CN108832232A (en) * | 2018-08-24 | 2018-11-16 | 德朗能（张家港）动力电池有限公司 | Convenient for the cylinder type lithium battery of heat dissipation |
| CN109037787A (en) * | 2018-09-07 | 2018-12-18 | 广东新凌嘉新能源股份有限公司 | A kind of manufacturing method of new-energy automobile Li-ion batteries piles structure and its 18650 batteries |
-
2019
- 2019-01-22 CN CN201910059814.5A patent/CN109860461A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060063174A (en) * | 2004-12-07 | 2006-06-12 | 삼성에스디아이 주식회사 | Secondary battery module and wall of secondary battery module |
| CN201758157U (en) * | 2010-06-30 | 2011-03-09 | 中国电力科学研究院 | Battery module with cooling channel |
| US20180019508A1 (en) * | 2015-03-27 | 2018-01-18 | Lg Chem, Ltd. | Battery module |
| US20180090728A1 (en) * | 2015-09-18 | 2018-03-29 | Lg Chem, Ltd. | Battery pack |
| WO2017076867A1 (en) * | 2015-11-02 | 2017-05-11 | Valeo Klimasysteme Gmbh | Cooling module for a battery, battery for a vehicle and method for producing a cooling module |
| CN105633306A (en) * | 2015-12-17 | 2016-06-01 | 佛山市南海区欣源电子有限公司 | Cooling-type lithium-ion battery |
| CN105762311A (en) * | 2016-04-07 | 2016-07-13 | 苏州工业园区职业技术学院 | Cooling shell used for power battery |
| CN107958966A (en) * | 2016-10-18 | 2018-04-24 | 南京金邦动力科技有限公司 | A kind of automobile lithium battery group installs case |
| CN107958971A (en) * | 2016-10-18 | 2018-04-24 | 南京金邦动力科技有限公司 | A kind of automobile lithium battery assembly housing |
| CN106835231A (en) * | 2016-12-22 | 2017-06-13 | 当涂县宏宇金属炉料有限责任公司 | A kind of aluminium alloy surface treatment method |
| CN207587875U (en) * | 2017-11-30 | 2018-07-06 | 广东安电能源科技有限公司 | A kind of lithium ion battery with radiator structure |
| CN207504143U (en) * | 2017-12-01 | 2018-06-15 | 广州旅行家电子商务有限公司 | A kind of novel startup battery |
| CN108832232A (en) * | 2018-08-24 | 2018-11-16 | 德朗能（张家港）动力电池有限公司 | Convenient for the cylinder type lithium battery of heat dissipation |
| CN109037787A (en) * | 2018-09-07 | 2018-12-18 | 广东新凌嘉新能源股份有限公司 | A kind of manufacturing method of new-energy automobile Li-ion batteries piles structure and its 18650 batteries |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111961310A (en) * | 2020-07-21 | 2020-11-20 | 界首市南都华宇电源有限公司 | Power battery shell material |
| CN116732508A (en) * | 2023-08-16 | 2023-09-12 | 江苏睿恩新能源科技有限公司 | Surface anti-corrosion treatment method for lithium ion battery steel shell |
| CN116732508B (en) * | 2023-08-16 | 2023-11-21 | 江苏睿恩新能源科技有限公司 | Surface anti-corrosion treatment method for lithium ion battery steel shell |
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