Some content of this application is unavailable at the moment.
If this situation persist, please contact us atFeedback&Contact
1. (WO2018117088) LITHIUM-ION BATTERY NEGATIVE ELECTRODE
Latest bibliographic data on file with the International Bureau    Submit observation

Pub. No.: WO/2018/117088 International Application No.: PCT/JP2017/045487
Publication Date: 28.06.2018 International Filing Date: 19.12.2017
Chapter 2 Demand Filed: 27.04.2018
IPC:
H01M 4/13 (2010.01) ,H01M 4/133 (2010.01) ,H01M 4/134 (2010.01) ,H01M 4/36 (2006.01) ,H01M 4/38 (2006.01) ,H01M 4/48 (2010.01) ,H01M 4/587 (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
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
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
36
Selection of substances as active materials, active masses, active liquids
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
48
of inorganic oxides or hydroxides
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
Applicants:
日産自動車株式会社 NISSAN MOTOR CO., LTD. [JP/JP]; 神奈川県横浜市神奈川区宝町2番地 2, Takara-cho, Kanagawa-ku, Yokohama-shi, Kanagawa 2210023, JP
Inventors:
水野 雄介 MIZUNO, Yusuke; JP
庄司 直史 SHOJI, Naofumi; JP
大澤 康彦 OHSAWA, Yasuhiko; JP
草地 雄樹 KUSACHI, Yuki; JP
佐藤 一 SATOU, Hajime; JP
赤間 弘 AKAMA, Hiroshi; JP
堀江 英明 HORIE, Hideaki; JP
Agent:
八田国際特許業務法人 HATTA & ASSOCIATES; 東京都千代田区二番町11番地9 ダイアパレス二番町 Dia Palace Nibancho, 11-9, Nibancho, Chiyoda-ku, Tokyo 1020084, JP
Priority Data:
2016-24700120.12.2016JP
2017-23895213.12.2017JP
Title (EN) LITHIUM-ION BATTERY NEGATIVE ELECTRODE
(FR) ÉLECTRODE NÉGATIVE DE BATTERIE LITHIUM-ION
(JA) リチウムイオン電池用負極
Abstract:
(EN) [Problem] To provide a lithium-ion battery negative electrode which exhibits excellent cycling properties and energy density, and little change in volume when charging. [Solution] A lithium-ion battery negative electrode having a negative electrode active material layer, the lithium-ion battery negative electrode being characterized in that: the negative electrode active material layer thereof comprises an unbonded body of a mixture containing silicon and/or silicon compound particles and carbon-based negative electrode active material particles; the volume average particle diameter of the silicon and/or silicon compound particles is 0.01-10μm; the volume average particle diameter of the carbon-based negative electrode active material particles is 15-50μm; and the mass mixture ratio of the total of the silicon and silicon compound particles contained in the mixture to the carbon-based negative electrode active material particles is 5:95 to 45:55.
(FR) Le problème décrit par la présente invention est de fournir une électrode négative de batterie lithium-ion qui présente d'excellentes propriétés de cyclage et une excellente densité d'énergie, et peu de changement de volume lors de la charge. La solution selon l'invention porte sur une électrode négative de batterie lithium-ion ayant une couche de matériau actif d'électrode négative, l'électrode négative de batterie lithium-ion étant caractérisée en ce que : la couche de matériau actif d'électrode négative associée comprend un corps non lié d'un mélange contenant des particules de composé de silicium et/ou de silicium et des particules de matériau actif d'électrode négative à base de carbone; le diamètre de particule moyen en volume des particules de composé de silicium et/ou de silicium est de 0,01 à 10 µm; le diamètre de particule moyen en volume des particules de matériau actif d'électrode négative à base de carbone est de 15 à 50 µm; et le rapport de mélange de masse du total des particules de composé de silicium et de silicium contenus dans le mélange aux particules de matériau actif d'électrode négative à base de carbone est de 5:95 à 45:55.
(JA) 【課題】エネルギー密度及びサイクル特性に優れ、充電時の体積変化の少ないリチウムイオン電池用負極を提供する。 【解決手段】負極活物質層を有するリチウムイオン電池用負極であって、上記負極活物質層は、珪素及び/又は珪素化合物粒子並びに炭素系負極活物質粒子をそれぞれ含む混合物の非結着体からなり、上記珪素及び/又は珪素化合物粒子の体積平均粒子径が0.01~10μmであり、上記炭素系負極活物質粒子の体積平均粒子径が15~50μmであり、上記混合物に含まれる珪素及び珪素化合物粒子の合計と炭素系負極活物質粒子との質量混合比が5:95~45:55であることを特徴とするリチウムイオン電池用負極。
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, 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)