CN104319419A - High-voltage special-shaped Li-polymer soft-package battery - Google Patents
High-voltage special-shaped Li-polymer soft-package battery Download PDFInfo
- Publication number
- CN104319419A CN104319419A CN201410627479.1A CN201410627479A CN104319419A CN 104319419 A CN104319419 A CN 104319419A CN 201410627479 A CN201410627479 A CN 201410627479A CN 104319419 A CN104319419 A CN 104319419A
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- China
- Prior art keywords
- battery
- high voltage
- polymer flexible
- lighium polymer
- battery case
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- Pending
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- 229920000642 polymer Polymers 0.000 title claims abstract description 35
- 239000011245 gel electrolyte Substances 0.000 claims abstract description 14
- 239000002033 PVDF binder Substances 0.000 claims abstract description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000002985 plastic film Substances 0.000 claims abstract description 11
- 229920006255 plastic film Polymers 0.000 claims abstract description 11
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims abstract description 10
- 238000000576 coating method Methods 0.000 claims abstract description 10
- 239000002245 particle Substances 0.000 claims abstract description 4
- 239000010408 film Substances 0.000 claims description 25
- 229910052744 lithium Inorganic materials 0.000 claims description 25
- 230000004888 barrier function Effects 0.000 claims description 23
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 229910002804 graphite Inorganic materials 0.000 claims description 12
- 239000010439 graphite Substances 0.000 claims description 12
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical class [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 8
- 229920000098 polyolefin Polymers 0.000 claims description 7
- 239000010409 thin film Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 239000002202 Polyethylene glycol Substances 0.000 claims description 3
- 229920001223 polyethylene glycol Polymers 0.000 claims description 3
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 24
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 18
- 239000011244 liquid electrolyte Substances 0.000 abstract description 6
- 239000012528 membrane Substances 0.000 abstract description 4
- 238000004880 explosion Methods 0.000 abstract 1
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 abstract 1
- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical compound [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 abstract 1
- 229910021382 natural graphite Inorganic materials 0.000 abstract 1
- 150000002641 lithium Chemical group 0.000 description 11
- 239000000047 product Substances 0.000 description 11
- 239000010410 layer Substances 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 5
- 239000003792 electrolyte Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000008151 electrolyte solution Substances 0.000 description 3
- 230000005012 migration Effects 0.000 description 3
- 238000013508 migration Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000003487 electrochemical reaction Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000013589 supplement 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
-
- 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
-
- 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
-
- 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)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
The invention provides a high-voltage special-shaped Li-polymer soft-package battery, belongs to the technical field of batteries and solves the problem that a conventional battery is difficult to be manufactured into a special-shaped battery and is not safe. The high-voltage special-shaped Li-polymer soft-package battery comprises a battery shell, a positive plate and a negative plate, wherein the positive plate and the negative extend out of the battery shell; the battery shell is made of aluminum plastic film and takes the shape of a cuboid which is bent for certain radian; gel electrolyte, an anode mixed with lithium cobalt oxide particles, a cathode taking natural graphite as the main material, and a separating membrane for separating the anode from the cathode, and a PVDF coating is applied on the surface of the separating membrane. The high-voltage special-shaped Li-polymer soft-package battery adopts gel electrolyte so as to avoid the safety problem that leakage, explosion or the like occurs probably when a lithium-ion battery adopting liquid electrolyte is in use.
Description
Technical field
The invention belongs to cell art, relate to a kind of high voltage abnormity lighium polymer flexible-packed battery.
Background technology
Polymer Li-ion battery in the ripe and commercialization of global technology for many years, along with movable electrical appliances itself to miniaturization, thinning future development to facilitate carrying of consumer.Polymer Li-ion battery just by increasing mancarried electronic aid and can wear designer such as health care electrical equipment etc. be familiar with.It has many merits, and such as security performance is good, thickness is little, lightweight, capacity is large.
Polymer Li-ion battery is all generally regular shape, although polymer Li-ion battery having applied to mancarried electronic aid and can wear on health care electrical equipment etc. successively gradually, but the polymer Li-ion battery of regular shape in use brings a lot of inconvenience to people, polymer lithium ion battery internal adopts liquid electrolyte in addition, and it exists great potential safety hazard.
Traditional lithium-ion battery uses liquid electrolyte and single base material PE barrier film, and fail safe exists great hidden danger.Polymer Li-ion battery uses gel electrolyte and coated separator, and fail safe obtains the lifting of matter.High voltage system opposite sex lighium polymer flexible-packed battery, in conjunction with product technology up-to-date at present, technique, material, battery performance is greatly improved, and field of employment is more extensive.
Summary of the invention
The object of the invention is to there are the problems referred to above for existing technology, propose a kind of high voltage abnormity lighium polymer flexible package pond, the present invention not only security performance is high, and lighium polymer flexible package pond has been made the different shape meeting people and dress.
Object of the present invention realizes by following technical proposal: a kind of high voltage abnormity lighium polymer flexible-packed battery, comprise battery case, stretch out the positive plate of battery case and negative plate, it is characterized in that, described battery case materials is aluminum plastic film, described battery case is in bending to the rectangular-shaped of certain radian, be provided with gel electrolyte in described battery case inside, doped with the anode of lithium and cobalt oxides particle, take native graphite as the negative electrode of main material and barrier film that anode and cathode spacer are opened, described membrane surface has one deck PVDF coating.
Lithium and cobalt oxides and native graphite all have layer structure, this lamellar structure compound allows lithium ion turnover, and irreversible change can not be there is in material structure, during charging, lithium atom in anode is ionized into lithium ion and electronics, obtains the lithium ion of outside input energy, in the electrolytic solution by anode to cathodic migration, and lithium ion and electronics compound on negative electrode is lithium atom, and the lithium atom again formed is inserted in the layer structure of negative electrode graphite.Otherwise during electric discharge.Battery case is in bending to the rectangular-shaped of certain radian in addition, its battery in battery case also in bending to the rectangular-shaped of certain radian, this phenomenon is an important breakthrough in lighium polymer flexible package pond, the battery that required by electronic product in general wearing product is wanted, substantially all needs the regular storage battery that dismounting is replaced or shape matching is large.
Described gel electrolyte is polyethylene glycol oxide.Can be there is the safety issue such as leakage, blast in liquid electrolyte lithium ion battery, and solid state battery (<20 DEG C) except interior temperature slightly raises there is no other safety issue any appearance.Gel electrolyte has the features such as good pliability, film forming, stability, cost are low, not only can be used as positive and negative electrode spacer film with but also can be used as the electrolyte transmitting ion and use.
Voltage regime between described positive plate and negative plate is 4.35V.Conventional lithium battery voltage system is 4.2V, and the general actual boosting of voltage of dressing product circuit is that the voltage of 5V, 4.35V has not only met conventional required magnitude of voltage, and is that 4.35V matches with other special required accurate voltage.When charging the battery, voltage by originally 4.35V must not have been risen to higher than 4.2V, spread of voltage when avoiding charging and be less than the damage that the 4.35V period causes battery higher than 4.2V.
The thickness of the aluminum plastic film that described battery case adopts is 100 μm-120 μm.Aluminum plastic film has high barrier; Good cold stamping shaped property; Paracentesis resistance; Electrolyte resistance stability; Electrical property (comprising insulating properties).The thickness of aluminum plastic film is less than 150 μm and suitable just passable, and thickness is crossed conference and taken up space and reduce the memory space of battery, and the too small battery case of thickness is fragile.
The height of described battery case is 1mm-5mm.Because wearing product is direct and contact human skin, so the height of battery case is suitable for, highly excessive, cause wearing uncomfortable.
Described positive plate and negative plate all adopt the cold cutting technique of ultraviolet to make.Use the cold cutting mode of ultraviolet, be different from traditional machinery and cut mode, solve the Special-shaped battery field that the tradition mode of cutting cannot relate to.
Described barrier film is the polyolefin porous separator of high-strength thin-film.The polyolefin porous separator of high-strength thin-film does not participate in the electrochemical reaction in battery, but interior layer assembly crucial in lithium battery.Capacity, the key performance such as cycle performance and charging and discharging currents density of battery all have direct relation with barrier film, the effective combination property that must improve lithium battery of performance of the polyolefin porous separator of high-strength thin-film, and have that intensity is high, fire prevention, chemical-resistant reagent, acid-alkali-corrosive-resisting, good biocompatibility, the feature such as nontoxic.
Described membrane thicknesses is 20 μm-30 μm.Barrier film separate batteries anode and cathode, prevents short circuit, and barrier film has indispensable impact to the meeting structure of battery, internal resistance, capacity, cycle-index and security performance, and the appropriate thickness of barrier film is just passable.
Described PVDF coating layer thickness is 5 μm-10 μm.PVDF coating has excellent chemical resistance, high temperature resistant color distortion, oxidative resistance, resistance to wear, UV resistant, resistant to high energy radiation, pliability, very high anti-intensity and the resistance to impact intensity of rising, and substantially increases the useful life of battery.
Compared with prior art, this high voltage abnormity lighium polymer flexible package pond advantage have following some:
1, this high voltage abnormity lighium polymer flexible package pond adopts gel electrolyte, avoids liquid electrolyte lithium ion battery that the safety issue such as leakage, blast can occur.
2, the battery case in this high voltage abnormity lighium polymer flexible package pond is in bending to the rectangular-shaped of certain radian, wearing product after making and human body are dressed position and are mutually mated, not only visually award the impact of a kind of U.S. in people's soul, and it is small, lightweight, deposit electricity has rechargeable function greatly, also.
3, this high voltage abnormity lighium polymer flexible package pond voltage regime be 4.35V, reduce charge time voltage instability on the impact of battery.
Accompanying drawing explanation
Fig. 1 is the structural representation in this high voltage abnormity lighium polymer flexible package pond.
Fig. 2 is the internal structure schematic diagram of this high voltage abnormity lighium polymer flexible package pond when charging.
In figure, 1, battery case; 2, positive plate; 3, negative plate; 4, gel electrolyte; 5, barrier film; 6, PVDF coating; 7, lithium and cobalt oxides; 8, native graphite.
Embodiment
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As shown in Figure 1 and Figure 2, a kind of high voltage abnormity lighium polymer flexible-packed battery, comprise battery case 1, stretch out the positive plate 2 of battery case 1 and negative plate 3, battery case 1 material is aluminum plastic film, battery case 1 is in bending to the rectangular-shaped of certain radian, be provided with in battery case 1 inside gel electrolyte 4, doped with lithium and cobalt oxides 7 particle anode, with native graphite 8 negative electrode that is main material and the barrier film 5 anode and cathode spacer opened, barrier film 5 surface has one deck PVDF coating 6.
Lithium and cobalt oxides 7 and native graphite 8 all have layer structure, this lamellar structure compound allows lithium ion turnover, and irreversible change can not be there is in material structure, during charging, lithium atom in anode is ionized into lithium ion and electronics, obtains the lithium ion of outside input energy, in the electrolytic solution by anode to cathodic migration, and lithium ion and electronics compound on negative electrode is lithium atom, and the lithium atom again formed is inserted in the layer structure of negative electrode graphite.Otherwise during electric discharge.Battery case 1 is in bending to the rectangular-shaped of certain radian in addition, its battery in battery case 1 also in bending to the rectangular-shaped of certain radian, this phenomenon is an important breakthrough in lighium polymer flexible package pond, the battery that required by electronic product in general wearing product is wanted, substantially all needs the regular storage battery that dismounting is replaced or shape matching is large.
Gel electrolyte 4 is polyethylene glycol oxide.Can be there is the safety issue such as leakage, blast in liquid electrolyte lithium ion battery, and solid state battery (<20 DEG C) except interior temperature slightly raises there is no other safety issue any appearance.Gel electrolyte 4 has the features such as good pliability, film forming, stability, cost are low, not only can be used as positive and negative electrode spacer film 5 with but also can be used as the electrolyte transmitting ion and use.
Voltage regime between positive plate 2 and negative plate 3 is 4.35V.Conventional lithium battery voltage system is 4.2V, and the general actual boosting of voltage of dressing product circuit is that the voltage of 5V, 4.35V has not only met conventional required magnitude of voltage, and is that 4.35V matches with other special required accurate voltage.When charging the battery, voltage by originally 4.35V must not have been risen to higher than 4.2V, spread of voltage when avoiding charging and be less than the damage that the 4.35V period causes battery higher than 4.2V.
The thickness of the aluminum plastic film that battery case 1 adopts is 100 μm-120 μm.Aluminum plastic film has high barrier; Good cold stamping shaped property; Paracentesis resistance; Electrolyte resistance stability; Electrical property (comprising insulating properties).The thickness of aluminum plastic film is less than 150 μm and suitable just passable, and thickness is crossed conference and taken up space and reduce the memory space of battery, and thickness too small battery case 1 is fragile.The height of battery case 1 is 1mm-5mm.Because wearing product is direct and contact human skin, so the height of battery case 1 is suitable for, highly excessive, cause wearing uncomfortable.Positive plate 2 and negative plate 3 all adopt the cold cutting technique of ultraviolet to make.Use the cold cutting mode of ultraviolet, be different from traditional machinery and cut mode, solve the Special-shaped battery field that the tradition mode of cutting cannot relate to.
Barrier film 5 is the polyolefin porous separator 5 of high-strength thin-film.The polyolefin porous separator 5 of high-strength thin-film does not participate in the electrochemical reaction in battery, but interior layer assembly crucial in lithium battery.Capacity, the key performance such as cycle performance and charging and discharging currents density of battery all have direct relation with barrier film 5, the effective combination property that must improve lithium battery of performance of the polyolefin porous separator 5 of high-strength thin-film, and have that intensity is high, fire prevention, chemical-resistant reagent, acid-alkali-corrosive-resisting, good biocompatibility, the feature such as nontoxic.Barrier film 5 thickness is 20 μm-30 μm.Barrier film 5 separate batteries anode and cathode, prevents short circuit, and barrier film 5 has indispensable impact to the meeting structure of battery, internal resistance, capacity, cycle-index and security performance, and the appropriate thickness of barrier film 5 is just passable.PVDF coating 6 thickness is 5 μm-10 μm.PVDF coating 6 has excellent chemical resistance, high temperature resistant color distortion, oxidative resistance, resistance to wear, UV resistant, resistant to high energy radiation, pliability, very high anti-intensity and the resistance to impact intensity of rising, and substantially increases the useful life of battery.
General principle: during charging, lithium atom in anode is ionized into lithium ion and electronics, obtain the lithium ion of outside input energy, in the electrolytic solution by anode to cathodic migration, and lithium ion and electronics compound on negative electrode is lithium atom, and the lithium atom again formed is inserted in the layer structure of negative electrode graphite.During electric discharge, the lithium atom be inserted in native graphite 8 is mobile from native graphite 8 inner cathode surface, and be ionized into lithium ion and electronics at cathode surface, they are again combined into lithium atom at anode then insert in the layer structure of lithium and cobalt oxides 7 of anode respectively by electrolyte and load flow anode.The Special-shaped battery field adopting the cold cutting mode of ultraviolet to solve the tradition mode of cutting in addition cannot to relate to, it is convenient to need to bring in the wearing product process of battery in use to people.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ the terms such as battery case 1, positive plate 2, negative plate 3, gel electrolyte 4, barrier film 5, PVDF coating 6, lithium and cobalt oxides 7, native graphite 8 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (9)
1. a high voltage abnormity lighium polymer flexible-packed battery, comprise battery case (1), stretch out positive plate (2) and the negative plate (3) of battery case (1), it is characterized in that, described battery case (1) material is aluminum plastic film, described battery case (1) is in bending to the rectangular-shaped of certain radian, gel electrolyte (4) is provided with in described battery case (1) inside, doped with the anode of lithium and cobalt oxides (7) particle, the negative electrode being main material with native graphite (8) and the barrier film (5) that anode and cathode spacer are opened, described barrier film (5) surface has one deck PVDF coating (6).
2. a kind of high voltage abnormity lighium polymer flexible-packed battery according to claim 1, it is characterized in that, described gel electrolyte (4) is polyethylene glycol oxide.
3. a kind of high voltage abnormity lighium polymer flexible-packed battery according to claim 1, it is characterized in that, the voltage regime between described positive plate (2) and negative plate (3) is 4.35V.
4. a kind of high voltage abnormity lighium polymer flexible-packed battery according to claim 1, it is characterized in that, the thickness of the aluminum plastic film that described battery case (1) adopts is 100 μm-120 μm.
5. a kind of high voltage abnormity lighium polymer flexible-packed battery according to claim 4, it is characterized in that, the height of described battery case (1) is 1mm-5mm.
6. a kind of high voltage abnormity lighium polymer flexible-packed battery according to claim 3, it is characterized in that, described positive plate (2) and negative plate (3) all adopt the cold cutting technique of ultraviolet to make.
7. a kind of high voltage abnormity lighium polymer flexible-packed battery according to claim 1, is characterized in that, the polyolefin porous separator (5) that described barrier film (5) is high-strength thin-film.
8. a kind of high voltage abnormity lighium polymer flexible-packed battery according to claim 7, it is characterized in that, described barrier film (5) thickness is 20 μm-30 μm.
9. a kind of high voltage abnormity lighium polymer flexible-packed battery according to claim 1, it is characterized in that, described PVDF coating (6) thickness is 5 μm-10 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410627479.1A CN104319419A (en) | 2014-11-10 | 2014-11-10 | High-voltage special-shaped Li-polymer soft-package battery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410627479.1A CN104319419A (en) | 2014-11-10 | 2014-11-10 | High-voltage special-shaped Li-polymer soft-package battery |
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| CN104319419A true CN104319419A (en) | 2015-01-28 |
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| CN201410627479.1A Pending CN104319419A (en) | 2014-11-10 | 2014-11-10 | High-voltage special-shaped Li-polymer soft-package battery |
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| CN108258319A (en) * | 2016-12-28 | 2018-07-06 | 杉杉能源（宁夏）有限公司 | A kind of arc battery component and preparation method thereof, arc battery |
| WO2022183874A1 (en) * | 2021-03-05 | 2022-09-09 | 东莞新能安科技有限公司 | Battery and power consuming device |
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| WO2022183874A1 (en) * | 2021-03-05 | 2022-09-09 | 东莞新能安科技有限公司 | Battery and power consuming device |
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Application publication date: 20150128 |