Some content of this application is unavailable at the moment.
If this situation persist, please contact us atFeedback&Contact
1. (WO2019065931) POSITIVE ELECTRODE ACTIVE MATERIAL COATING MATERIAL, POSITIVE ELECTRODE, AND SECONDARY BATTERY
Latest bibliographic data on file with the International Bureau    Submit observation

Pub. No.: WO/2019/065931 International Application No.: PCT/JP2018/036168
Publication Date: 04.04.2019 International Filing Date: 28.09.2018
IPC:
H01M 4/139 (2010.01) ,H01M 4/13 (2010.01) ,H01M 4/62 (2006.01) ,H01M 10/0566 (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
13
Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
139
Processes of manufacture
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
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
62
Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
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
056
characterized by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
0564
the electrolyte being constituted of organic materials only
0566
Liquid materials
Applicants:
第一工業製薬株式会社 DAI-ICHI KOGYO SEIYAKU CO., LTD. [JP/JP]; 京都府京都市下京区西七条東久保町55番地 55, Nishishichijo Higashikubo-cho, Shimogyo-ku, kyoto-shi, Kyoto 6008873, JP
Inventors:
佐貫 淳 SANUKI Atsushi; JP
浜口 伊津子 HAMAGUCHI Itsuko; JP
中村 志穂 NAKAMURA Shiho; JP
Priority Data:
2017-19004829.09.2017JP
Title (EN) POSITIVE ELECTRODE ACTIVE MATERIAL COATING MATERIAL, POSITIVE ELECTRODE, AND SECONDARY BATTERY
(FR) MATÉRIAU DE REVÊTEMENT DE MATÉRIAU ACTIF D'ÉLECTRODE POSITIVE, ÉLECTRODE POSITIVE ET BATTERIE SECONDAIRE
(JA) 正極活物質塗料、正極、および二次電池
Abstract:
(EN) The purpose of the present invention is to provide a positive electrode active material coating material that can provide a secondary battery having excellent battery characteristics, as well as a positive electrode and a secondary battery. A positive electrode active material coating material according to the present invention comprises a positive electrode active material, a conductive auxiliary agent, a dispersion medium, and a dispersing agent, and is characterized in that the dispersion medium is N-methylpyrrolidone, the dispersing agent contains a polyvinyl alcohol-polyvinylpyrrolidone graft copolymer, and the content of the polyvinyl alcohol is 10-90 mass% with respect to 100 mass% for the polyvinyl alcohol-polyvinylpyrrolidone graft copolymer.
(FR) L’objectif de la présente invention est de fournir : un matériau de revêtement de matériau actif d’électrode positive, apte à la production d'une batterie secondaire ayant d’excellentes caractéristiques de batterie, ainsi qu'une électrode positive et une batterie secondaire. Un matériau de revêtement de matériau actif d'électrode positive selon la présente invention comprend un matériau actif d'électrode positive, un agent auxiliaire conducteur, un milieu de dispersion et un agent de dispersion, et est caractérisé en ce que le milieu de dispersion est la N-méthylpyrrolidone, l'agent de dispersion contient un copolymère greffé d'alcool polyvinylique-polyvinylpyrrolidone, et la teneur de l'alcool polyvinylique est de 10 à 90 % en masse par rapport à 100 % en masse pour le copolymère greffé d'alcool polyvinylique-polyvinylpyrrolidone.
(JA) 電池特性に優れた二次電池を供することが出来る正極活物質塗料、正極、および二次電池を提供すること。 正極活物質、導電助剤、分散媒、分散剤を含有する正極活物質塗料であって、分散媒が、N-メチルピロリドンであり、分散剤がポリビニルアルコール-ポリビニルピロリドングラフトコポリマーを含有し、上記ポリビニルアルコール-ポリビニルピロリドングラフトコポリマー100質量%に対しポリビニルアルコールの含有量が10質量%以上90質量%以下であることを特徴とする正極活物質塗料。
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, 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: Japanese (JA)
Filing Language: Japanese (JA)