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1. (WO2019046813) A METHOD OF MAKING HARD CARBON MATERIALS
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№ de pub.: WO/2019/046813 № do pedido internacional: PCT/US2018/049255
Data de publicação: 07.03.2019 Data de depósito internacional: 31.08.2018
CIP:
H01G 11/44 (2013.01) ,H01G 11/24 (2013.01) ,H01G 11/50 (2013.01) ,H01M 4/587 (2010.01) ,C01B 32/05 (2017.01) ,H01G 11/42 (2013.01)
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
G
CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
11
Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
22
Electrodes
30
characterised by their material
32
Carbon-based
44
Raw materials therefor, e.g. resins or coal
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
G
CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
11
Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
22
Electrodes
24
characterised by structural features of the materials making up or comprised in the electrodes, e.g. form, surface area or porosity; characterised by the structural features of powders or particles used therefor
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
G
CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
11
Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
22
Electrodes
30
characterised by their material
50
specially adapted for lithium-ion capacitors, e.g. for lithium-doping or for intercalation
H ELECTRICIDADE
01
ELEMENTOS ELÉTRICOS BÁSICOS
M
PROCESSOS OU MEIOS, p. ex., BATERIAS, PARA A CONVERSÃO DIRETA DA ENERGIA QUÍMICA EM ENERGIA ELÉTRICA
4
Eletrodos
02
Eletrodos compostos de material ativo ou compreendendo o mesmo
36
Seleção de substâncias especiais como materiais ativos, massas ativas, líquidos ativos
58
de compostos inorgânicos que não óxidos nem hidróxidos, p. ex. sulfetos, selenetos, teluretos, halogenetos ou LiCoFy
583
Material carbonáceo, p. ex., compostos intercalados com grafite ou CFx
587
para inserir ou intercalar metais leves
[IPC code unknown for C01B 32/05]
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
G
CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
11
Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
22
Electrodes
30
characterised by their material
32
Carbon-based
42
Powders or particles, e.g. composition thereof
Requerentes:
FARAD POWER, INC., [US/US]; 438 Oakmead Pkwy Sunnyvale, CA 94085, US
Inventores:
MITRA, Shantanu; US
NAIR, Vinod; US
Mandatário:
GEETA, Kadambi; US
Dados da prioridade:
62/605,90301.09.2017US
Título (EN) A METHOD OF MAKING HARD CARBON MATERIALS
(FR) PROCÉDÉ DE FABRICATION DE MATÉRIAUX DURS DE CARBONE
Resumo:
(EN) A non- amorphous hard carbon material, synthesized from Furan-ring containing compounds, is described. These non-amorphous hard carbon materials have a d002 peak in their X-ray diffraction patterns, corresponding to an interlayer spacing of >3.6 Ă, along with a prominent D- band peak in their Raman spectra. BET surface area values between 2 m2/gm and around 100 m2/gm can be obtained by controlling the processing parameters of temperature, time and heating rate. The higher surface area HCs - in Li-ion and Na-ion anode configurations - are capable of high charging rates up to 100C with a cycle life of up to 1000 cycles. Composites of these non- amorphous hard carbons with silicon and lithium compounds are also disclosed.
(FR) L’invention décrit un matériau dur non amorphe de carbone, synthétisé à partir de composés contenant un cycle de furanne. Ces matériaux durs non amorphes de carbone ont une crête d002 dans leurs motifs de diffraction aux rayons X, correspondant à un espacement intercouche > 3,6 Ă, ainsi qu’une crête importante en bande D dans leurs spectres de Raman. Des valeurs d’aire de surface de BET entre 2 m2/gm et environ 100 m2/gm peuvent être obtenues en contrôlant les paramètres de traitement de température, de temps et de taux de chauffage. Les HC d’aire de surface supérieure — dans des configurations d’anode à ions Li et à ions NA — sont capables de taux de charge élevés pouvant atteindre 100 C avec une longévité pouvant atteindre 1000 cycles. L’invention concerne également des composites de ces carbones durs non amorphes avec des composés de silicium et de lithium.
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Organização Regional Africana da Propriedade Intelectual (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Instituto Eurasiático de Patentes (AM, AZ, BY, KG, KZ, RU, TJ, TM)
Instituto Europeu de Patentes (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)
Organização Africana da Propriedade Intelectual (OAPI) (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Língua de publicação: inglês (EN)
Língua de depósito: inglês (EN)