WO2022206175A1 - 一种负极和包含该负极的电化学装置和电子装置 - Google Patents
一种负极和包含该负极的电化学装置和电子装置 Download PDFInfo
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- WO2022206175A1 WO2022206175A1 PCT/CN2022/075646 CN2022075646W WO2022206175A1 WO 2022206175 A1 WO2022206175 A1 WO 2022206175A1 CN 2022075646 W CN2022075646 W CN 2022075646W WO 2022206175 A1 WO2022206175 A1 WO 2022206175A1
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- negative electrode
- active material
- electrode active
- electrochemical device
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- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
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- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
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- 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
- 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
- H01M4/1393—Processes of manufacture of electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
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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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
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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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
-
- 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
- H01M2004/021—Physical characteristics, e.g. porosity, surface area
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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
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/027—Negative electrodes
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Definitions
- Electrochemical devices eg, lithium-ion batteries
- Small-sized lithium-ion batteries are often used as power sources for driving portable electronic communication devices (eg, camcorders, mobile phones, or notebook computers, etc.), especially high-performance portable devices.
- portable electronic communication devices eg, camcorders, mobile phones, or notebook computers, etc.
- medium-sized and large-sized lithium-ion batteries with high output characteristics have been developed for use in electric vehicles (EVs) and large-scale energy storage systems (ESSs).
- EVs electric vehicles
- ESSs large-scale energy storage systems
- the differential mercury inflow amount of the hole A is 0.150-0.190 mL/g ⁇ m -1 .
- the pore size of the hole B is 660 nm, 670 nm, 680 nm, 690 nm, 700 nm, 710 nm, 720 nm, 730 nm, 740 nm, 750 nm, 760 nm, 770 nm, 780 nm, 790 nm, 790 nm, 800 nm, or any two of these values range composed of.
- the volume ratio of the pores B to the pores A is 0.7:1-1.42:1. In some embodiments, the volume ratio of the pores B to the pores A is 0.7:1, 0.8:1, 0.9:1, 1:1, 1.1:1, 1.2:1, 1.3:1, 1.4:1 , 1.42:1, or a range of any two of these values.
- the volume ratio of pore B to pore A is within the above range, the area of the negative electrode active material exposed to the electrolyte can be controlled, side reactions can be reduced, and the first-efficiency reduction can be avoided; at the same time, the flow and infiltration of the electrolyte can be ensured to avoid an increase in impedance.
- the negative active material particles have a Dv50 of 7.2 ⁇ m, 8 ⁇ m, 10 ⁇ m, 12 ⁇ m, 14 ⁇ m, 16 ⁇ m, 18 ⁇ m, 20 ⁇ m, 21.6 ⁇ m, or a range of any two of these values.
- the organic solvent includes, but is not limited to: ethylene carbonate (EC), propylene carbonate (PC), diethyl carbonate (DEC), ethyl methyl carbonate (EMC), dimethyl carbonate (DMC), propylene carbonate or ethyl propionate.
- Cyclic thickness expansion ratio corresponding to the number of cycles (H n -H 0 )/H 0 ⁇ 100%.
- the DSC exothermic peak temperature refers to the DSC exothermic peak temperature of the negative electrode active material layer when the lithium-ion battery is charged to a voltage of 4.45V, which is used to characterize the thermal stability of the negative electrode material.
Abstract
Description
Claims (14)
- 一种负极,所述负极包括集流体和位于所述集流体上的负极活性材料层,所述负极活性材料层包含负极活性材料颗粒,所述负极活性材料颗粒包含二次颗粒,所述负极活性材料层包含孔A,用压汞法进行测试时所述孔A的孔径为59nm-73nm,且所述负极活性材料层的C004/C110值为6-20。
- 根据权利要求1所述的负极,其中用压汞法进行测试时,所述孔A的微分进汞量为0.150-0.190mL/g·μm -1。
- 根据权利要求1所述的负极,其中所述负极活性材料层包含孔B,用压汞法进行测试时,所述孔B的孔径为660nm-800nm,且所述孔B的微分进汞量为0.160-0.230mL/g·μm -1。
- 根据权利要求3所述的负极,其中所述孔B与所述孔A的体积比为0.7∶1-1.42∶1。
- 根据权利要求1所述的负极,其中所述负极活性材料颗粒满足条件(a)-(d)中的至少一者:(a)所述负极活性材料颗粒的Dv50为7.2-21.6μm;(b)所述负极活性材料颗粒的Dv90为28.4-40.0μm;(c)所述负极活性材料颗粒的Dn10为1.4-9.4μm;或(d)所述负极活性材料颗粒的Dv90和Dn10满足:Dv90/Dn10≤26。
- 根据权利要求1所述的负极,其中所述负极活性材料颗粒在受压前粉末粒径为D 1v50,且在施加1t压力后粉末粒径为D 2v50,(D 1v50-D 2v50)/D 1v50×100%≤25%。
- 根据权利要求1所述的负极,其中所述负极活性材料颗粒的比表面积为0.8-2.0m 2/g。
- 根据权利要求1所述的负极,其中所述负极活性材料颗粒在受压前的比表面积为B 1,且在施加1t压力后的比表面积为B 2,(B 2-B 1)/B 1×100%≤140%。
- 一种电化学装置,所述电化学装置包括根据权利要求1-8中任一项所述的负极。
- 根据权利要求9所述的电化学装置,其中所述电化学装置放电至电压为3V时,所述负极活性材料的比表面积为1.5-2.4m 2/g。
- 根据权利要求9所述的电化学装置,其中所述电化学装置充电至电压为4.45V时,采用DSC测试,所述负极活性材料层最大的放热峰为280-330℃。
- 根据权利要求9所述的电化学装置,其中所述电化学装置放电至电压为3V,所述负极活性材料颗粒的粉末粒径为D av50,且在施加1t压力后所述负极活性材料颗粒的粉末粒径为D bv50,(D av50-D bv50)/D av50×100%≤2%。
- 根据权利要求9所述的电化学装置,其中所述电化学装置放电至电压为3V时,所述负极活性材料颗粒在受压前的比表面积为B 11,且在施加1t压力后的比表面积为B 22,(B 22-B 11)/B 11×100%≤40%。
- 一种电子装置,其包含如权利要求9-13中任一项所述的电化学装置。
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103959520A (zh) * | 2011-12-02 | 2014-07-30 | 丰田自动车株式会社 | 锂二次电池及其制造方法 |
CN104272520A (zh) * | 2012-04-27 | 2015-01-07 | 丰田自动车株式会社 | 非水电解质二次电池及其制造方法 |
CN109553080A (zh) * | 2018-10-10 | 2019-04-02 | 湖南晋烨高科股份有限公司 | 锂离子电池负极活性材料、锂离子电池负极、锂离子电池、电池组及电池动力车 |
CN111370695A (zh) * | 2020-03-20 | 2020-07-03 | 宁德新能源科技有限公司 | 负极活性材料及使用其的电化学装置和电子装置 |
WO2021044482A1 (ja) * | 2019-09-02 | 2021-03-11 | 昭和電工マテリアルズ株式会社 | リチウムイオン二次電池用負極材、リチウムイオン二次電池用負極材の製造方法、リチウムイオン二次電池用負極材スラリー、リチウムイオン二次電池用負極、及びリチウムイオン二次電池 |
CN113078292A (zh) * | 2021-03-29 | 2021-07-06 | 宁德新能源科技有限公司 | 一种负极和包含该负极的电化学装置和电子装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009099418A (ja) * | 2007-10-17 | 2009-05-07 | Hitachi Vehicle Energy Ltd | リチウム二次電池用正極材料及びこれを用いたリチウム二次電池 |
CN109553085B (zh) * | 2018-10-10 | 2020-03-24 | 湖南晋烨高科股份有限公司 | 锂离子电池负极活性材料、锂离子电池负极、锂离子电池、电池组及电池动力车 |
KR20200073801A (ko) * | 2018-12-14 | 2020-06-24 | 주식회사 엘지화학 | 음극 및 상기 음극을 포함하는 이차 전지 |
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Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103959520A (zh) * | 2011-12-02 | 2014-07-30 | 丰田自动车株式会社 | 锂二次电池及其制造方法 |
CN104272520A (zh) * | 2012-04-27 | 2015-01-07 | 丰田自动车株式会社 | 非水电解质二次电池及其制造方法 |
CN109553080A (zh) * | 2018-10-10 | 2019-04-02 | 湖南晋烨高科股份有限公司 | 锂离子电池负极活性材料、锂离子电池负极、锂离子电池、电池组及电池动力车 |
WO2021044482A1 (ja) * | 2019-09-02 | 2021-03-11 | 昭和電工マテリアルズ株式会社 | リチウムイオン二次電池用負極材、リチウムイオン二次電池用負極材の製造方法、リチウムイオン二次電池用負極材スラリー、リチウムイオン二次電池用負極、及びリチウムイオン二次電池 |
CN111370695A (zh) * | 2020-03-20 | 2020-07-03 | 宁德新能源科技有限公司 | 负极活性材料及使用其的电化学装置和电子装置 |
CN113078292A (zh) * | 2021-03-29 | 2021-07-06 | 宁德新能源科技有限公司 | 一种负极和包含该负极的电化学装置和电子装置 |
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