CN106654169A - Positive electrode plate of lithium ion battery and preparation method for positive electrode plate - Google Patents
Positive electrode plate of lithium ion battery and preparation method for positive electrode plate Download PDFInfo
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- CN106654169A CN106654169A CN201611267184.3A CN201611267184A CN106654169A CN 106654169 A CN106654169 A CN 106654169A CN 201611267184 A CN201611267184 A CN 201611267184A CN 106654169 A CN106654169 A CN 106654169A
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- nickel ion
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
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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
- 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0404—Methods of deposition of the material by coating on electrode collectors
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/136—Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
- H01M4/1391—Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
- H01M4/1397—Processes of manufacture of electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
-
- 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 positive electrode plate of a lithium ion battery and a preparation method for the positive electrode plate. The positive electrode plate of the lithium ion battery comprises a current collector, a current collector coating layer and a positive electrode coating material; and the current collector coating layer is prepared from lithium nickel manganese oxide and a binder. In an overcharge process of the lithium ion battery prepared from the positive electrode plate of the lithium ion battery, the lithium nickel manganese oxide can continuously release a part of lithium ions at a relatively high voltage, so that irreversible change of the positive electrode active substrate structure and oxygenolysis of an electrolyte can be relieved, the safety performance of the battery is improved, and the cycle life of the battery is prolonged.
Description
Technical field
The invention belongs to technical field of lithium ion, is related to a kind of based lithium-ion battery positive plate and preparation method thereof.
Background technology
As the continuous development of science and technology, the application of lithium ion battery are more and more extensive, people are to performance of lithium ion battery
Require also more and more higher, especially New-energy electric vehicle field, do not require nothing more than lithium ion battery and have higher and higher energy close
Degree, and require that lithium ion battery has the service life and security performance become better and better.At present, lithium ion battery is due to overcharging
The fire event of initiation is of common occurrence, and safety of the lithium ion battery under the conditions of overcharging is important in lithium battery applications research
One of problem.On the one hand, when lithium ion battery is drastically overcharged, because cell voltage rises rapidly with polarization increase, certainly will
Cause the irreversible change of positive active material structure and the oxidation Decomposition of electrolyte, and release substantial amounts of heat, cause battery
Intrinsic pressure and temperature steeply rises, and there is the hidden dangers such as blast, burning；On the other hand, when lithium ion battery connection in series-parallel is combined
Afterwards, because the concordance of lithium ion battery is poor, single lithium ion battery is frequently overcharged, and cycle life is low, drives whole group lithium ion
Battery shortens, or even long-time is used and there is potential safety hazard.People generally add anti-overcharge addition using electrolyte
Agent reducing overcharging for battery, but can not completely prevent battery overcharge phenomenon, its is anti-overcharge limited in one's ability.
The content of the invention
It is an object of the invention to provide a kind of based lithium-ion battery positive plate and preparation method thereof, the technical problem to be solved is
The anti-overcharge ability of lithium ion battery is improved, the cycle life of lithium ion battery is improved, the security performance of lithium ion battery is improved.
A kind of based lithium-ion battery positive plate, including collector is characterized in that：Collector outside is provided with current collector coatings, collects
Fluid coatings outside is provided with positive pole coating material；
Described current collector coatings include nickel ion doped and binding agent；
Described collector is aluminium foil；
Described positive pole coating material includes positive active material, conductive agent, binding agent；Wherein positive active material is iron phosphate
One or more in lithium, nickle cobalt lithium manganate, cobalt acid lithium, LiMn2O4, conductive agent is conductive black, CNT, Nano carbon fibers
One or more in dimension, Ketjen black, binding agent is Kynoar.
Making step is as follows：
First by nickel ion doped, binding agent Kynoar with mass ratio 100:1~100:3 to be added to N-Methyl pyrrolidone molten
Dispersed with stirring uniformly obtains nickel ion doped slurry in agent, slurry solid content 70% ~ 80%,
Nickel ion doped slurry is coated on two faces of current collector aluminum foil again, 5 ~ 10 μm of each face coating thickness.Then use
Positive active material, conductive agent, binding agent prepare anode sizing agent, and anode sizing agent is coated in into the collector with nickel ion doped coating
Two sides on, drying, rolling, obtain based lithium-ion battery positive plate.
First by nickel ion doped（LiNi0.5Mn1.5O4）, binding agent Kynoar is with mass ratio 100:2 are added to N- first
Dispersed with stirring uniformly obtains the nickel ion doped slurry of solid content 78.5% in base pyrrolidinone solvent, then nickel ion doped slurry is applied
Overlay on two faces of 16 ± 1 μm of current collector aluminum foils of thickness, 8 ± 1 μm of each face coating thickness.Then by positive active material phosphorus
Sour ferrum lithium, conductive agent multi-walled carbon nano-tubes, binding agent Kynoar compare 98 with solid masses:2:1 is added to N- methylpyrroles
Dispersed with stirring uniformly obtains the anode sizing agent of solid content 52% in alkanone solvent, and anode sizing agent is respectively coated on into band nickel ion doped
Commonly obtain without on two faces of the current collector aluminum foil of nickel ion doped coating with being coated on the two sides of the current collector aluminum foil of coating
To two kinds of based lithium-ion battery positive plates.
It is characterized in that comprising the following steps：
First by nickel ion doped, binding agent Kynoar with mass ratio 100:1~100:3 to be added to N-Methyl pyrrolidone molten
Dispersed with stirring uniformly obtains nickel ion doped slurry in agent, slurry solid content 70% ~ 80%,
Nickel ion doped slurry is coated on two faces of current collector aluminum foil again, 5 ~ 10 μm of each face coating thickness.Then use
Positive active material, conductive agent, binding agent prepare anode sizing agent, and anode sizing agent is coated in into the collector with nickel ion doped coating
Two sides on, drying, rolling, obtain based lithium-ion battery positive plate.
First by nickel ion doped, binding agent Kynoar with mass ratio 100:2 are added to N-Methyl pyrrolidone solvent
Middle dispersed with stirring uniformly obtains the nickel ion doped slurry of solid content 78.5%, then nickel ion doped slurry is coated in into 16 ± 1 μm of thickness
On two faces of current collector aluminum foil, 8 ± 1 μm of each face coating thickness.Then it is anode active material of phosphate iron lithium, conductive agent is more
Wall carbon nano tube, binding agent Kynoar（PVDF Solef 5130）Compare 98 with solid masses:2:1 is added to N- methyl pyrroles
Dispersed with stirring uniformly obtains the anode sizing agent of solid content 52% in pyrrolidone solvent, and anode sizing agent is respectively coated on into band nickel mangaic acid
On the two sides of the current collector aluminum foil of lithium coating and it is coated on common two faces without the current collector aluminum foil of nickel ion doped coating
Obtain two kinds of based lithium-ion battery positive plates.
During overcharging, nickel ion doped is offseting higher to the lithium ion battery prepared using the based lithium-ion battery positive plate
Can continue to discharge part lithium ion under voltage, alleviate the irreversible change of positive active material structure and the oxygen of electrolyte
Change and decompose, improve the security performance and cycle life of battery.
Anode sizing agent is prepared, is coated with the present invention, pole piece rolling technology is the general processes well known of the art.
Advantages of the present invention is with effect：The present invention uses nickel ion doped as plus plate current-collecting body coating, nickel ion doped pair
Negative pole has of a relatively high voltage, when lithium ion battery is overcharged, can continue under of a relatively high voltage discharge lithium from
Son, alleviates the irreversible change of positive active material structure and the oxidation Decomposition of electrolyte, improves the safety of battery
Energy and cycle life.
Description of the drawings
Fig. 1 is the based lithium-ion battery positive plate sectional structure chart,
Wherein, 1-1 is collector, and 1-2 is current collector coatings, and 1-3 is coating anode material.
Specific embodiment
The present invention is employed the following technical solutions：A kind of based lithium-ion battery positive plate and preparation method thereof, the lithium ion anode
Piece（1）By collector（1-1）, current collector coatings（1-2）With positive pole coating material（1-3）Composition, current collector coatings are by nickel ion doped
With binding agent composition, collector is aluminium foil, and positive pole coating material is made up of positive active material, conductive agent, binding agent, positive-active
Material is one or more in LiFePO4, nickle cobalt lithium manganate, cobalt acid lithium, LiMn2O4, and conductive agent is conductive black, carbon nanometer
One or more in pipe, carbon nano-fiber, Ketjen black, binding agent is Kynoar.
First by nickel ion doped, binding agent Kynoar with mass ratio 100:1~100:3 are added to N- crassitudes
Dispersed with stirring uniformly obtains nickel ion doped slurry, slurry solid content 70% ~ 80% in ketone solvent, then nickel ion doped slurry is coated in
On two faces of current collector aluminum foil, 5 ~ 10 μm of each face coating thickness.Then positive active material, conductive agent, binding agent are used
Anode sizing agent is prepared, anode sizing agent is coated on the two sides of the collector with nickel ion doped coating, dried, rolling obtains lithium
Ion battery positive plate, during overcharging, nickel ion doped exists the lithium ion battery prepared using the based lithium-ion battery positive plate
To offset continue under high voltage and discharge part lithium ion, alleviate the irreversible change and electricity of positive active material structure
The oxidation Decomposition of solution liquid, improves the security performance and cycle life of battery.
Anode sizing agent is prepared, is coated with the present invention, pole piece rolling technology is the general processes well known of the art.
Embodiment
26650-3200-3.2V lithium ion batteries are prepared respectively using the invention positive plate and common positive plate, first will
Nickel ion doped（LiNi0.5Mn1.5O4 ShanDong JingGong Electronic Science Co., Ltd）, binding agent Kynoar（PVDF Solef
5130）With mass ratio 100:2 are added to N-Methyl pyrrolidone（Maiqi Chemical Co., Ltd.）Dispersed with stirring is equal in solvent
The even nickel ion doped slurry for obtaining solid content 78.5%, then nickel ion doped slurry is coated in into 16 ± 1 μm of current collector aluminum foils of thickness
On two faces, 8 ± 1 μm of each face coating thickness.Then by anode active material of phosphate iron lithium（DY-1 German sides nanosecond science and technology are limited
Company）, conductive agent multi-walled carbon nano-tubes（Nanosecond science and technology company limited of CN-1N German sides）, binding agent Kynoar（PVDF
Solef 5130）Compare 98 with solid masses:2:1 is added to N-Methyl pyrrolidone（Maiqi Chemical Co., Ltd.）In solvent
Dispersed with stirring uniformly obtains the anode sizing agent of solid content 52%, and anode sizing agent is respectively coated on into the afflux with nickel ion doped coating
On the two sides of body aluminium foil and be coated on common two faces without the current collector aluminum foil of nickel ion doped coating obtain two kinds of lithiums from
Sub- battery anode slice, positive electrode coating one side 150 ± 2g/m of surface density2, pole piece 135 ± 3 μm of thickness of rolling, using two kinds of lithiums
Ion battery positive plate prepares respectively 26650-3200-3.2V lithium ion batteries and carries out the test of 2.5V ~ 3.7V 1C charge-discharge performances
With overcharge（By GB/T31485-2015 6.3.3）, test result is as follows：
Claims (5)
1. a kind of based lithium-ion battery positive plate, including collector（1-1）It is characterized in that：Collector（1-1）Outside is provided with afflux
Body coating（1-2）, current collector coatings（1-2）Outside is provided with positive pole coating material（1-3）；
Described current collector coatings（1-2）Including nickel ion doped and binding agent；
Described collector（1-1）For aluminium foil；
Described positive pole coating material includes positive active material, conductive agent, binding agent；Wherein positive active material is iron phosphate
One or more in lithium, nickle cobalt lithium manganate, cobalt acid lithium, LiMn2O4, conductive agent is conductive black, CNT, Nano carbon fibers
One or more in dimension, Ketjen black, binding agent is Kynoar.
2. a kind of based lithium-ion battery positive plate according to claim 1, is characterized in that：Making step is as follows：
First by nickel ion doped, binding agent Kynoar with mass ratio 100:1~100:3 to be added to N-Methyl pyrrolidone molten
Dispersed with stirring uniformly obtains nickel ion doped slurry in agent, slurry solid content 70% ~ 80%,
Nickel ion doped slurry is coated on two faces of current collector aluminum foil again, 5 ~ 10 μm of each face coating thickness；Then use
Positive active material, conductive agent, binding agent prepare anode sizing agent, and anode sizing agent is coated in into the collector with nickel ion doped coating
Two sides on, drying, rolling, obtain based lithium-ion battery positive plate.
3. a kind of based lithium-ion battery positive plate according to claim 2, is characterized in that：
First by nickel ion doped（LiNi0.5Mn1.5O4）, binding agent Kynoar is with mass ratio 100:2 are added to N- methylpyrroles
Dispersed with stirring uniformly obtains the nickel ion doped slurry of solid content 78.5% in alkanone solvent, then nickel ion doped slurry is coated in into thickness
On two faces of 16 ± 1 μm of current collector aluminum foils of degree, 8 ± 1 μm of each face coating thickness；Then by positive active material iron phosphate
Lithium, conductive agent multi-walled carbon nano-tubes, binding agent Kynoar compare 98 with solid masses:2:1 is added to N-Methyl pyrrolidone
Dispersed with stirring uniformly obtains the anode sizing agent of solid content 52% in solvent, and anode sizing agent is respectively coated on into band nickel ion doped coating
Current collector aluminum foil two sides on and be coated on common two faces without the current collector aluminum foil of nickel ion doped coating and obtain two
Plant based lithium-ion battery positive plate.
4. a kind of preparation method of the based lithium-ion battery positive plate as described in power 1,2,3, is characterized in that comprising the following steps：
First by nickel ion doped, binding agent Kynoar with mass ratio 100:1~100:3 to be added to N-Methyl pyrrolidone molten
Dispersed with stirring uniformly obtains nickel ion doped slurry in agent, slurry solid content 70% ~ 80%,
Nickel ion doped slurry is coated on two faces of current collector aluminum foil again, 5 ~ 10 μm of each face coating thickness；Then use
Positive active material, conductive agent, binding agent prepare anode sizing agent, and anode sizing agent is coated in into the collector with nickel ion doped coating
Two sides on, drying, rolling, obtain based lithium-ion battery positive plate.
5. a kind of preparation method of based lithium-ion battery positive plate according to claim 4, is characterized in that：First by nickel mangaic acid
Lithium, binding agent Kynoar are with mass ratio 100:2 are added to dispersed with stirring in N-Methyl pyrrolidone solvent is uniformly consolidated
The nickel ion doped slurry of content 78.5%, then nickel ion doped slurry is coated in into two faces of 16 ± 1 μm of current collector aluminum foils of thickness
On, 8 ± 1 μm of each face coating thickness；Then by anode active material of phosphate iron lithium, conductive agent multi-walled carbon nano-tubes, binding agent
Kynoar（PVDF Solef 5130）Compare 98 with solid masses:2:1 is added to stirring point in N-Methyl pyrrolidone solvent
The anode sizing agent for uniformly obtaining solid content 52% is dissipated, anode sizing agent is respectively coated on into the current collector aluminum foil with nickel ion doped coating
Two sides on and be coated on common two faces without the current collector aluminum foil of nickel ion doped coating and obtain two kinds of lithium ion batteries
Positive plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611267184.3A CN106654169A (en) | 2016-12-31 | 2016-12-31 | Positive electrode plate of lithium ion battery and preparation method for positive electrode plate |
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| CN201611267184.3A CN106654169A (en) | 2016-12-31 | 2016-12-31 | Positive electrode plate of lithium ion battery and preparation method for positive electrode plate |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107785537A (en) * | 2017-08-31 | 2018-03-09 | 上海空间电源研究所 | A kind of method of modifying of new type lithium ion battery anode pole piece, its purposes and pole piece |
| CN108400284A (en) * | 2018-04-20 | 2018-08-14 | 合肥国轩高科动力能源有限公司 | A kind of perforation positive plate of lithium ion battery and preparation method thereof |
| CN108807982A (en) * | 2018-07-10 | 2018-11-13 | 江西星盈科技有限公司 | A kind of making formula of the positive electrode of high compacted density |
| CN109411751A (en) * | 2018-12-05 | 2019-03-01 | 珠海光宇电池有限公司 | A kind of lithium ion cell positive and preparation method thereof and the lithium ion battery cell containing the anode |
| CN109777159A (en) * | 2019-03-25 | 2019-05-21 | 广西师范大学 | A kind of preparation method of lithium ion cell positive conductive agent, conductive agent slurry |
| CN110416490A (en) * | 2019-07-27 | 2019-11-05 | 珠海冠宇电池有限公司 | A kind of based lithium-ion battery positive plate that can provide dual security protection for taking into account energy density |
| CN110752350A (en) * | 2019-11-02 | 2020-02-04 | 河南电池研究院有限公司 | Preparation method of soft package lithium ion battery positive electrode functional coating for relieving deposition of metal ions on negative electrode |
| CN111916664A (en) * | 2020-09-08 | 2020-11-10 | 珠海冠宇电池股份有限公司 | Positive plate, preparation method and battery |
| CN112436179A (en) * | 2020-12-07 | 2021-03-02 | 上汽大众汽车有限公司 | High-safety lithium ion battery |
| CN113130910A (en) * | 2019-12-30 | 2021-07-16 | 江西格林德能源有限公司 | Positive pole piece of lithium ion battery |
| CN113314694A (en) * | 2021-06-08 | 2021-08-27 | 江西安驰新能源科技有限公司 | High-rate lithium ion battery positive plate and preparation method thereof, and lithium ion battery |
| CN114759161A (en) * | 2022-05-12 | 2022-07-15 | 北京卫蓝新能源科技有限公司 | Multilayer positive plate and preparation method thereof |
| CN114784223A (en) * | 2022-04-28 | 2022-07-22 | 广东马车动力科技有限公司 | Positive plate and preparation method and application thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102208598A (en) * | 2011-05-12 | 2011-10-05 | 中国科学院宁波材料技术与工程研究所 | Electrode plate of graphene coating modified lithium secondary battery and manufacturing method thereof |
| CN102709603A (en) * | 2012-05-28 | 2012-10-03 | 上海电力学院 | Method for producing lithium ion battery directly taking FePO4 as positive electrode material |
| CN103137961A (en) * | 2012-07-19 | 2013-06-05 | 东莞新能源科技有限公司 | Anode material, preparation method of anode material and lithium ion battery comprising anode material |
| CN103325991A (en) * | 2013-05-31 | 2013-09-25 | 余玉英 | Total temperature-range lithium ion battery |
| CN104157831A (en) * | 2014-08-19 | 2014-11-19 | 哈尔滨工业大学 | Spinel nickel manganese acid lithium and layered lithium-rich manganese-based composite cathode material with core-shell structure and preparation method thereof |
| CN104600244A (en) * | 2014-12-29 | 2015-05-06 | 惠州市恒泰科技有限公司 | Multilayer positive plate, production method of positive plate and lithium ion battery |
-
2016
- 2016-12-31 CN CN201611267184.3A patent/CN106654169A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102208598A (en) * | 2011-05-12 | 2011-10-05 | 中国科学院宁波材料技术与工程研究所 | Electrode plate of graphene coating modified lithium secondary battery and manufacturing method thereof |
| CN102709603A (en) * | 2012-05-28 | 2012-10-03 | 上海电力学院 | Method for producing lithium ion battery directly taking FePO4 as positive electrode material |
| CN102709603B (en) * | 2012-05-28 | 2014-12-10 | 上海电力学院 | Method for producing lithium ion battery directly taking FePO4 as positive electrode material |
| CN103137961A (en) * | 2012-07-19 | 2013-06-05 | 东莞新能源科技有限公司 | Anode material, preparation method of anode material and lithium ion battery comprising anode material |
| CN103325991A (en) * | 2013-05-31 | 2013-09-25 | 余玉英 | Total temperature-range lithium ion battery |
| CN104157831A (en) * | 2014-08-19 | 2014-11-19 | 哈尔滨工业大学 | Spinel nickel manganese acid lithium and layered lithium-rich manganese-based composite cathode material with core-shell structure and preparation method thereof |
| CN104600244A (en) * | 2014-12-29 | 2015-05-06 | 惠州市恒泰科技有限公司 | Multilayer positive plate, production method of positive plate and lithium ion battery |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107785537A (en) * | 2017-08-31 | 2018-03-09 | 上海空间电源研究所 | A kind of method of modifying of new type lithium ion battery anode pole piece, its purposes and pole piece |
| CN108400284A (en) * | 2018-04-20 | 2018-08-14 | 合肥国轩高科动力能源有限公司 | A kind of perforation positive plate of lithium ion battery and preparation method thereof |
| CN108400284B (en) * | 2018-04-20 | 2021-01-01 | 合肥国轩高科动力能源有限公司 | Punched positive plate of lithium ion battery and preparation method thereof |
| CN108807982A (en) * | 2018-07-10 | 2018-11-13 | 江西星盈科技有限公司 | A kind of making formula of the positive electrode of high compacted density |
| CN109411751A (en) * | 2018-12-05 | 2019-03-01 | 珠海光宇电池有限公司 | A kind of lithium ion cell positive and preparation method thereof and the lithium ion battery cell containing the anode |
| CN109777159B (en) * | 2019-03-25 | 2020-12-01 | 广西师范大学 | Preparation method of lithium ion battery positive electrode conductive agent and conductive agent slurry |
| CN109777159A (en) * | 2019-03-25 | 2019-05-21 | 广西师范大学 | A kind of preparation method of lithium ion cell positive conductive agent, conductive agent slurry |
| CN110416490A (en) * | 2019-07-27 | 2019-11-05 | 珠海冠宇电池有限公司 | A kind of based lithium-ion battery positive plate that can provide dual security protection for taking into account energy density |
| CN110752350A (en) * | 2019-11-02 | 2020-02-04 | 河南电池研究院有限公司 | Preparation method of soft package lithium ion battery positive electrode functional coating for relieving deposition of metal ions on negative electrode |
| CN113130910A (en) * | 2019-12-30 | 2021-07-16 | 江西格林德能源有限公司 | Positive pole piece of lithium ion battery |
| CN111916664A (en) * | 2020-09-08 | 2020-11-10 | 珠海冠宇电池股份有限公司 | Positive plate, preparation method and battery |
| CN111916664B (en) * | 2020-09-08 | 2022-09-23 | 珠海冠宇电池股份有限公司 | Positive plate, preparation method and battery |
| CN112436179A (en) * | 2020-12-07 | 2021-03-02 | 上汽大众汽车有限公司 | High-safety lithium ion battery |
| CN113314694A (en) * | 2021-06-08 | 2021-08-27 | 江西安驰新能源科技有限公司 | High-rate lithium ion battery positive plate and preparation method thereof, and lithium ion battery |
| CN114784223A (en) * | 2022-04-28 | 2022-07-22 | 广东马车动力科技有限公司 | Positive plate and preparation method and application thereof |
| CN114759161A (en) * | 2022-05-12 | 2022-07-15 | 北京卫蓝新能源科技有限公司 | Multilayer positive plate and preparation method thereof |
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