CN105655505A - Maintainable cylindrical lithium-ion battery - Google Patents
Maintainable cylindrical lithium-ion battery Download PDFInfo
- Publication number
- CN105655505A CN105655505A CN201610136565.1A CN201610136565A CN105655505A CN 105655505 A CN105655505 A CN 105655505A CN 201610136565 A CN201610136565 A CN 201610136565A CN 105655505 A CN105655505 A CN 105655505A
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- CN
- China
- Prior art keywords
- battery
- cylindrical lithium
- ion battery
- cylindrical
- block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 32
- 239000003792 electrolyte Substances 0.000 claims abstract description 22
- 229920000642 polymer Polymers 0.000 claims abstract description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 23
- 229910052744 lithium Inorganic materials 0.000 claims description 23
- 230000004888 barrier function Effects 0.000 claims description 7
- 239000002904 solvent Substances 0.000 claims description 4
- 229910052493 LiFePO4 Inorganic materials 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 239000013543 active substance Substances 0.000 claims description 3
- 239000013538 functional additive Substances 0.000 claims description 3
- -1 hexafluorophosphoric acid lithium salts Chemical class 0.000 claims description 3
- 150000005677 organic carbonates Chemical class 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- 239000011888 foil Substances 0.000 claims description 2
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- 239000010439 graphite Substances 0.000 claims description 2
- 238000007373 indentation Methods 0.000 claims description 2
- OVAQODDUFGFVPR-UHFFFAOYSA-N lithium cobalt(2+) dioxido(dioxo)manganese Chemical compound [Li+].[Mn](=O)(=O)([O-])[O-].[Co+2] OVAQODDUFGFVPR-UHFFFAOYSA-N 0.000 claims description 2
- 238000004880 explosion Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 abstract 2
- 238000005192 partition Methods 0.000 abstract 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000010926 waste battery Substances 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000376 reactant Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 2
- 229910003002 lithium salt Inorganic materials 0.000 description 2
- 159000000002 lithium salts Chemical class 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000007774 positive electrode material Substances 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229910001290 LiPF6 Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 1
- 229910052808 lithium carbonate Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000006259 organic additive Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000126 substance Substances 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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/317—Re-sealable arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/148—Lids or covers characterised by their shape
- H01M50/152—Lids or covers characterised by their shape for cells having curved cross-section, e.g. round or elliptic
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
Abstract
The invention provides a maintainable cylindrical lithium-ion battery. The maintainable cylindrical lithium-ion battery comprises a cylindrical shell, covering caps, an anode, a partition membrane, a cathode and electrolyte, wherein the anode, the partition membrane, the cathode and the electrolyte are arranged in the cylindrical shell; each circular covering cap is provided with a circular hole, an anti-explosion valve and two sealing valve structures, the circular hole is used for fixing a pole column, the anti-explosion valve is opened to discharge pressure to prevent the battery from deformation which causes shell explosion when the internal pressure or temperature reaches a preset standard and excessive internal gas accumulates, and each sealing valve structure sequentially comprises a sealing bolt, a sealing ring and a polymer rubber ring from outside to inside. The maintainable cylindrical lithium-ion battery has the advantages that the maintainable cylindrical lithium-ion battery has a performance repairing function, that is to say, the gas in the lithium-ion battery can be discharged timely, the interface in the battery can be repaired, the old electrolyte can be replaced at any time, the circulation service life of the lithium-ion battery is prolonged, the replacing frequency of waste batteries is lowered at the same time, and resource waste is reduced.
Description
Technical field
The present invention relates to field of lithium ion battery, more specifically, relate to a kind of maintainable cylindrical lithium ion battery.
Background technology
Along with the epoch of electric automobile just quietly arrive, under trend of the times, countries in the world government and Ge great motor corporation are all in the application actively promoting Development of EV technology. The core of electric automobile is exactly battery, existing battery system is mainly lithium ion battery, in it is actually used, the electrolyte being made up of organic carbonate solvents and functional additive is first and in follow-up normal battery charge and discharge process, being continuously generated and destroying along with SEI film, along with the carrying out of charge and discharge cycles, in battery, the amount of gas of accumulation gets more and more, cause inner pressure of battery to rise, bring hidden danger to the safety of battery.
Along with the increase of volume, the gathering of energy, environment is used to become severe, the battery sealed is because of impaired and probability that aerogenesis sets off an explosion and the extent of injury that blast causes also are increasing, the time that battery uses simultaneously is more long, the gas that battery endogenous cause of ill electrolyte decomposition causes can get more and more, electrolyte content reduces, the unstable SEI film thickness being simultaneously generated increases, and all can cause that the internal resistance of cell increases, and affects cycle life. It is thus desirable to develop the battery technology of a kind of long circulation life that can extend lithium ion battery service life.
Two of capacity of lithium ion battery decay main reason is that: one is the growth of the interface impedance caused because of aerogenesis and interface side reaction; Another is that long-time circulation lower interface side reaction consumption electrolyte causes the reduction of its amount even dry. In the previous case, interface impedance is mainly caused by SEI layer covering electrode surface deposition. Based on this, it is necessary to find a kind of effective method to reduce the thickness of electrode surface SEI film. SEI layer is by alkyl lithium carbonates, lithium carbonate, lithium fluoride etc. Some in these materials can be dissolved by some organic solvents.
Summary of the invention
For above-mentioned prior art lithium ion battery Problems existing, the present invention provides a kind of maintainable cylindrical lithium battery, and the gas in lithium battery can be discharged by it, carries out the interface in battery and repairs and old electrolyte is replaced at any time.
In order to solve these problems in currently available technology, present invention provide the technical scheme that
A kind of maintainable cylindrical lithium ion battery, including cylindrical housings, block and battery core, block is located at described cylindrical housings two ends, and battery core is encapsulated in described cylindrical shell, and battery core includes positive pole, barrier film, negative pole, electrolyte, it is characterised in that:
Described block is provided with circular hole, explosion-proof valve, at least one seal valve structure, and described circular hole is used for fixing pole, and when explosion-proof valve is for preventing internal pressure or temperature from reaching preset standard, gas build-up inside is too much, and explosion-proof valve will be opened, and proceed by release;Described seal valve structure includes sealing bolt and sealing ring, also has the block hole coordinated with described sealing bolt being located in block; Seal valve structure can to the gas discharging in lithium battery, and the interface in battery is repaired and old electrolyte is replaced at any time.
As preferably, being provided with annular brace step in described block hole, annular brace step is obtained by the Polymer materialspreparation being prone to deformation, such as macromolecule silica gel.
Seal valve structure in the technical program contains detachable block, for ease of the unlatching of sealing bolt, does not generally adopt the friction tight connected modes such as interference fit, accordingly, it is preferred that threaded engagement is passed through in sealing bolt and block hole.
As preferably, the outer wall of described sealing bolt is provided with the spacing preiection coordinated with described annular brace step, is provided with sealing ring as sealing ring between described annular brace step and spacing preiection.
As preferably, the end face of described sealing bolt is provided with the interior hex slot for opening or many chamfered grooves. For preventing the improper of lithium battery from opening, misoperation is susceptible to security incident, and the end face of sealing bolt of the present invention offers interior hex slot or many chamfered grooves, it is necessary to special instrument just can be opened, and can promote the operation safety in maintenance process.
Described explosion-proof valve is to be welded in end cap by the foil of prefabricated indentation to constitute, and relief valve pressure release value is between 1-10Mpa.
A kind of maintainable cylindrical lithium ion battery, it is preferable that be provided with two seal valve structures in block.
Preferably, described battery positive electrode active material can be LiFePO4, cobalt acid lithium, LiMn2O4, nickle cobalt lithium manganate etc., and battery cathode active substance can be Delanium, native graphite, lithium titanate etc.
Preferably, the thickness of described barrier film is 20-40um.
Preferably, described electrolyte is made up of hexafluorophosphoric acid lithium salts and organic carbonate solvents and functional additive.
Compared with prior art, the beneficial effects of the present invention is: having can maintenance function: fresh lithium battery electrolytes can be changed in good time, extend lithium battery cycle life, reduce the frequency that old and useless battery is changed, reduce the wasting of resources. Simple in construction simultaneously, makes and attended operation is convenient, and cost is low.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is the schematic diagram of the embodiment of the present invention 1.
Fig. 2 is the structure structural map of the embodiment of the present invention 1.
Wherein, 1 is cylindrical shell, and 2 is block, and 3 is pole, and 4 is seal valve structure, and 5 is sealing bolt, and 51 is nut, and 52 is screw rod, and 6 is sealing ring, and 7 is block hole, and 8 is explosion-proof valve.
Detailed description of the invention
Below in conjunction with specific embodiment, such scheme is described further. Should be understood that these embodiments to be an illustration for the present invention and be not limited to restriction the scope of the present invention. The implementation condition adopted in embodiment can do further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in normal experiment.
Introduce and general introduction
The present invention by way of example but not provides the mode of restriction and illustrates. It should be noted that " one " or " one " embodiment described in present disclosure is not necessarily referring to same detailed description of the invention, and refers to and have at least one.
Various aspects of the invention are described below. But, as will be readily apparent to one of skill in the art, the present invention can be implemented according to the only some or all of aspects of the present invention.For purposes of illustration, provide concrete numbering, material and configuration herein, enable one to thoroughly understand the present invention. But, for those of skill in the art it would be apparent that the present invention can implement without concrete details. In other examples, omit or simplify well-known feature for not making the present invention obscure.
Various operations are sequentially carried out description as multiple discrete steps, and by most helpful in illustrating in the way of understanding the present invention; But, in-order description should be construed as to imply that these operations and be necessarily dependent on order.
According to the reactant of type species, various embodiment will be described. For those of skill in the art it would be apparent that the present invention can use any number of different types of reactant to implement, and it is more than those reactants provided for the purpose of illustration and here. Additionally, also it would be apparent that the invention is not limited in any specific mixing example.
Embodiment 1
Below in conjunction with attached Fig. 1 and 2, the present invention can be safeguarded that cylindrical lithium battery is described in further detail.
A kind of maintainable cylindrical lithium ion battery as shown in Figure 2, including cylindrical housings 1, block 2 and battery core, block 2 is located at cylindrical housings 1 two ends, battery core is encapsulated in described circular cylindrical shell body, battery core includes positive pole, barrier film, negative pole, electrolyte, described block 2 is provided with circular hole, explosion-proof valve, at least one seal valve structure 4, circular hole is used for fixing pole 3, when explosion-proof valve is for preventing internal pressure or temperature from reaching preset standard, gas build-up inside is too much, explosion-proof valve will be opened, and proceed by release; Described seal valve structure 4 includes sealing bolt 5 and sealing ring 6, also has the block hole 7 coordinated with described sealing bolt 5 being located in block; Seal valve structure 4 can to the gas discharging in lithium battery, and the interface in battery is repaired and old electrolyte is replaced at any time.
As shown in Figure 1 can maintenance type lithium ion cylinder battery have passed through 4000 weeks circulation after capacity drop to 70%, its structure member includes block and the anode of Qi Nei, barrier film, battery cathode, electrolyte; Described block is provided with the hole for fixing pole as shown in Figure 1 on it, safety explosion-proof valve and seal valve. This inside battery includes positive electrode, negative material, barrier film and electrolyte, and described positive and negative electrode material is self-produced LiFePO4 and lithium titanate material, and electrolyte includes lithium salts LiPF6, carbonate organic solvent and additive. The process safeguarded is: turned on by two sealing bolts of diagram in glove box, the high-purity DMC solvent of 20ml is injected from sealing valve opening by the method for vac sorb, sealing ring and sealing bolt threaded through bores will be installed, and battery storage in the environment of 45 degrees Celsius lower 6 hours. So repeat 3 times, just solubilized and wash the electrolyte lithium salt of remnants off and repair inside battery interface. Therefrom inject fresh electrolyte again, be used for sealed cell at the macromolecule silica gel that gap filling is suitable simultaneously. After sealing, then battery is after chemical conversion normally and partial volume step process every time, and discharge capacity has returned to more than the 95% of initial capacity after tested, and so far battery maintenance process terminates.
In sum, the invention provides the lithium battery of a kind of replaceable electrolyte. Therefore the present invention is in production technology, and the advance of cost and the advantage in performance and technology is it is clear that this technology facilitates implementation industrialization and is conducive to improving the market application foreground of lithium ion battery.
The above specific embodiment is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also making some improvement or replacement, these improve or replace and should also be as being considered as protection scope of the present invention.
Claims (10)
1. a maintainable cylindrical lithium ion battery, including cylindrical housings, block and battery core, block is located at described cylindrical housings two ends, and battery core is encapsulated in described cylindrical shell, and battery core includes positive pole, barrier film, negative pole, electrolyte, it is characterised in that:
Described block is provided with circular hole, explosion-proof valve, at least one seal valve structure, and described circular hole is used for fixing pole; Described seal valve structure includes sealing bolt and sealing ring, also has the block hole coordinated with described sealing bolt being located in block.
2.According to claimThe cylindrical lithium battery safeguarded described in 1, it is characterised in that: it is provided with annular brace step in described block hole.
3.According to claimThe cylindrical lithium battery safeguarded described in 1, it is characterised in that: annular brace step is obtained by the Polymer materialspreparation being prone to deformation.
4.According to claimThe cylindrical lithium battery safeguarded described in 1, it is characterised in that: threaded engagement is passed through in described sealing bolt and block hole.
5.According to claimThe cylindrical lithium battery safeguarded described in 1, it is characterised in that: the outer wall of described sealing bolt is provided with the spacing preiection coordinated with described annular brace step, is provided with sealing ring as sealing ring between described annular brace step and spacing preiection.
6.According to claimThe cylindrical lithium battery safeguarded described in 1, it is characterised in that: the end face of described sealing bolt is provided with the interior hex slot for opening or many chamfered grooves.
7.According to claimThe cylindrical lithium battery safeguarded described in 1, it is characterised in that: described explosion-proof valve is to be welded in end cap by the foil of prefabricated indentation to constitute.
8.According to claimThe cylindrical lithium battery safeguarded described in 1, it is characterised in that: the active substance of described anode is LiFePO4, cobalt acid lithium, LiMn2O4, nickle cobalt lithium manganate, and the active substance of described battery cathode is Delanium, native graphite, lithium titanate.
9.According to claimThe cylindrical lithium battery safeguarded described in 1, it is characterised in that: the thickness of described barrier film is 20-60um.
10.According to claimThe cylindrical lithium battery safeguarded described in 1, it is characterised in that: described electrolyte is made up of hexafluorophosphoric acid lithium salts and organic carbonate solvents and functional additive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610136565.1A CN105655505A (en) | 2016-03-10 | 2016-03-10 | Maintainable cylindrical lithium-ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610136565.1A CN105655505A (en) | 2016-03-10 | 2016-03-10 | Maintainable cylindrical lithium-ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105655505A true CN105655505A (en) | 2016-06-08 |
Family
ID=56492434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610136565.1A Pending CN105655505A (en) | 2016-03-10 | 2016-03-10 | Maintainable cylindrical lithium-ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105655505A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108110189A (en) * | 2017-12-15 | 2018-06-01 | 中银（宁波）电池有限公司 | Maintainable alkaline zinc-manganese battery and maintenance method of alkaline zinc-manganese battery |
| CN109037760A (en) * | 2018-06-22 | 2018-12-18 | 王振波 | A kind of maintainable lithium-ion battery and its maintaining method |
| CN111613753A (en) * | 2020-05-28 | 2020-09-01 | 横店集团东磁股份有限公司 | Lithium ion battery |
| CN111900452A (en) * | 2020-06-24 | 2020-11-06 | 湖南科霸汽车动力电池有限责任公司 | Vertical sealed cylindrical battery and preparation method thereof |
| CN114335783A (en) * | 2021-12-29 | 2022-04-12 | 星恒电源股份有限公司 | Method for realizing secondary service life of lithium ion battery and application |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108110189A (en) * | 2017-12-15 | 2018-06-01 | 中银（宁波）电池有限公司 | Maintainable alkaline zinc-manganese battery and maintenance method of alkaline zinc-manganese battery |
| CN109037760A (en) * | 2018-06-22 | 2018-12-18 | 王振波 | A kind of maintainable lithium-ion battery and its maintaining method |
| CN111613753A (en) * | 2020-05-28 | 2020-09-01 | 横店集团东磁股份有限公司 | Lithium ion battery |
| CN111613753B (en) * | 2020-05-28 | 2021-10-01 | 横店集团东磁股份有限公司 | Lithium ion battery |
| CN111900452A (en) * | 2020-06-24 | 2020-11-06 | 湖南科霸汽车动力电池有限责任公司 | Vertical sealed cylindrical battery and preparation method thereof |
| CN114335783A (en) * | 2021-12-29 | 2022-04-12 | 星恒电源股份有限公司 | Method for realizing secondary service life of lithium ion battery and application |
| CN114335783B (en) * | 2021-12-29 | 2024-03-29 | 星恒电源股份有限公司 | Method for realizing secondary service life of lithium ion battery and application |
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Application publication date: 20160608 |