Some content of this application is unavailable at the moment.
If this situation persist, please contact us atFeedback&Contact
1. (WO2019047713) COMPOSITE NEGATIVE ELECTRODE ACTIVE MATERIAL, PREPARATION METHOD THEREFOR AND LITHIUM BATTERY
Latest bibliographic data on file with the International Bureau    Submit observation

Pub. No.: WO/2019/047713 International Application No.: PCT/CN2018/101673
Publication Date: 14.03.2019 International Filing Date: 22.08.2018
IPC:
H01M 4/38 (2006.01) ,H01M 4/587 (2010.01) ,H01M 4/134 (2010.01) ,H01M 4/133 (2010.01) ,H01M 10/0525 (2010.01)
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
M
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4
Electrodes
02
Electrodes composed of, or comprising, active material
36
Selection of substances as active materials, active masses, active liquids
38
of elements or alloys
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
M
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4
Electrodes
02
Electrodes composed of, or comprising, active material
36
Selection of substances as active materials, active masses, active liquids
58
of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
583
Carbonaceous material, e.g. graphite-intercalation compounds or CFx
587
for inserting or intercalating light metals
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
M
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4
Electrodes
02
Electrodes composed of, or comprising, active material
13
Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
134
Electrodes based on metals, Si or alloys
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
M
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4
Electrodes
02
Electrodes composed of, or comprising, active material
13
Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
133
Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
M
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10
Secondary cells; Manufacture thereof
05
Accumulators with non-aqueous electrolyte
052
Li-accumulators
0525
Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
Applicants:
比亚迪股份有限公司 BYD COMPANY LIMITED [CN/CN]; 中国广东省深圳市 坪山新区比亚迪路3009号 No. 3009, BYD Road, Pingshan Shenzhen, Guangdong 518118, CN
Inventors:
江正福 JIANG, Zhengfu; CN
Agent:
北京清亦华知识产权代理事务所(普通合伙) TSINGYIHUA INTELLECTUAL PROPERTY LLC; 中国北京市 海淀区清华园清华大学照澜院商业楼301室 Room 301 Trade Building, Zhaolanyuan, Tsinghua University, Qinghuayuan, Haidian District Beijing 100084, CN
Priority Data:
201710790114.405.09.2017CN
Title (EN) COMPOSITE NEGATIVE ELECTRODE ACTIVE MATERIAL, PREPARATION METHOD THEREFOR AND LITHIUM BATTERY
(FR) MATÉRIAU ACTIF D’ÉLECTRODE NÉGATIVE COMPOSITE, SON PROCÉDÉ DE PRÉPARATION, ET BATTERIE AU LITHIUM
(ZH) 复合负极活性材料及其制备方法和锂电池
Abstract:
(EN) Disclosed are a composite negative electrode active material, a preparation method therefor and a lithium battery. The composite negative electrode active material comprises a graphite core, a first coating layer coated on the surface of the graphite core and a second coating layer coated on the first coating layer, the first coating layer comprising carbon and a mixture of a nano-silicon oxide and nano-silicon, and the second coating layer comprising nano-silicon and carbon.
(FR) L’invention concerne un matériau actif d’électrode négative composite, son procédé de préparation et une batterie au lithium. Le matériau actif d’électrode négative composite comprend un noyau de graphite, une première couche de revêtement appliquée sur la surface du noyau de graphite et une deuxième couche de revêtement appliquée sur la première couche de revêtement, la première couche de revêtement comprenant du carbone et un mélange de nano-oxyde de silicium et de nanosilicium, et la deuxième couche de revêtement comprenant du nanosilicium et du carbone.
(ZH) 公开了复合负极活性材料及其制备方法和锂电池。其中,该复合负极活性材料包括石墨核、包覆在石墨核表面上的第一包覆层和包覆在第一包覆层表面上的第二包覆层,第一包覆层包括纳米硅的氧化物和纳米硅的混合物以及碳,第二包覆层包括纳米硅和碳。
front page image
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Chinese (ZH)
Filing Language: Chinese (ZH)