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1. (WO2019063969) BATTERY SEPARATOR
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Pub. No.: WO/2019/063969 International Application No.: PCT/GB2018/052591
Publication Date: 04.04.2019 International Filing Date: 12.09.2018
IPC:
H01M 2/14 (2006.01) ,H01M 2/16 (2006.01) ,H01M 10/0565 (2010.01) ,H01M 10/0585 (2010.01) ,H01M 10/0525 (2010.01) ,H01M 4/137 (2010.01) ,H01M 4/1399 (2010.01) ,H01M 4/60 (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
2
Constructional details, or processes of manufacture, of the non-active parts
14
Separators; Membranes; Diaphragms; Spacing elements
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
M
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
2
Constructional details, or processes of manufacture, of the non-active parts
14
Separators; Membranes; Diaphragms; Spacing elements
16
characterised by the material
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
0565
Polymeric materials, e.g. gel-type or solid-type
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
058
Construction or manufacture
0585
of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
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
13
Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
137
Electrodes based on electro-active polymers
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
1399
of electrodes based on electro-active polymers
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
60
of organic compounds
Applicants:
CAMBRIDGE DISPLAY TECHNOLOGY LIMITED [GB/GB]; Unit 12 Cardinal Park Cardinal Way, Godmanchester Godmanchester Cambridgeshire PE29 2XG, GB (MG)
SUMITOMO CHEMICAL COMPANY LIMITED [JP/JP]; Floor 18, Sumitomo Twin Buildings 27-1 Shinkawa 2-chome, Chuo-ku Tokyo, Tokyo 104-8260, JP
Inventors:
KUGLER, Thomas; GB
O'SULLIVAN, Melanie; GB
PETTI, Luisa; GB
Agent:
CAMBRIDGE DISPLAY TECHNOLOGY LTD; GB
Priority Data:
1715861.929.09.2017GB
Title (EN) BATTERY SEPARATOR
(FR) SÉPARATEUR DE BATTERIE
Abstract:
(EN) A separator for a battery formed from a polymer gel electrolyte that is disposed within the pores of a polymer mesh. The polymer gel electrolyte is formed from a crosslinked ion-conducting polymer and an ionic liquid. The separator is formed from a gel loaded with an electrolyte, which prevents issue with electrolyte leakage. The polymer mesh provides stability to the polymer gel electrolyte, allowing for use of thin films of the polymer gel electrolyte and use of soft polymer gel electrolytes.
(FR) La présente invention concerne un séparateur pour une batterie formé à partir d’un électrolyte en gel polymère qui est disposé dans les pores d’une maille en polymère. L’électrolyte de gel polymère est formé d’un polymère conducteur d’ions réticulé et d’un liquide ionique. Le séparateur est formé d’un gel chargé avec un électrolyte, ce qui évite le problème de fuite d’électrolyte. La maille en polymère confère une stabilité à l’électrolyte de gel polymère, permettant l’utilisation de films minces de l’électrolyte de gel polymère et l’utilisation d’électrolytes de gel polymère mou.
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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, 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: English (EN)
Filing Language: English (EN)