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1. (WO2017059117) HIGH CAPACITY ANODE ELECTRODES WITH MIXED BINDERS FOR ENERGY STORAGE DEVICES
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Pub. No.: WO/2017/059117 International Application No.: PCT/US2016/054512
Publication Date: 06.04.2017 International Filing Date: 29.09.2016
IPC:
H01M 10/0525 (2010.01) ,H01M 4/62 (2006.01) ,H01M 4/66 (2006.01)
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
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
4
Electrodes
02
Electrodes composed of, or comprising, active material
64
Carriers or collectors
66
Selection of materials
Applicants:
A123 SYSTEMS LLC [US/US]; 200 West Street Waltham, Massachusetts 02451, US
Inventors:
WANG, Jun; US
WILKINS, Ronnie; US
GIONET, Paul; US
Agent:
MCCOY, Anna, B.; US
Priority Data:
62/234,57129.09.2015US
Title (EN) HIGH CAPACITY ANODE ELECTRODES WITH MIXED BINDERS FOR ENERGY STORAGE DEVICES
(FR) ÉLECTRODES D'ANODE À HAUTE CAPACITÉ AVEC DES LIANTS MÉLANGÉS POUR DES DISPOSITIFS DE STOCKAGE D'ÉNERGIE
Abstract:
(EN) A silicon anode comprising a hybrid binder at a blending ratio of 10-90 wt. % for use in a Li-ion battery is provided. The combination of a hybrid binder in the Si anode for use in a rechargeable Li-ion cell shows the unexpected result of extending the cycle life and a balancing effect between adhesion strength and first cycle efficiency.
(FR) L'invention concerne une anode au silicium comprenant un liant hybride selon un rapport de mélange de 10 à 90% en masse pour une utilisation dans une batterie au Li-ion. La combinaison d'un liant hybride dans l'anode au Si pour une utilisation dans une cellule au Li-ion rechargeable a pour résultat inattendu de prolonger la durée de vie et d'induire un effet d'équilibrage entre la force d'adhérence et un premier rendement de cycle.
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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, JP, KE, KG, 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: English (EN)
Filing Language: English (EN)