RU2015144284A - Аноды для литий-ионного аккумулятора, содержащие частицы графенового углерода - Google Patents

Аноды для литий-ионного аккумулятора, содержащие частицы графенового углерода Download PDF

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RU2015144284A
RU2015144284A RU2015144284A RU2015144284A RU2015144284A RU 2015144284 A RU2015144284 A RU 2015144284A RU 2015144284 A RU2015144284 A RU 2015144284A RU 2015144284 A RU2015144284 A RU 2015144284A RU 2015144284 A RU2015144284 A RU 2015144284A
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lithium
anode
ion battery
battery according
particles
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RU2015144284A
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RU2634689C2 (ru
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Ноэль Р. ВАНЬЕР
Дэвид Б. ЭСЭЙ
Курт Г. ОЛСОН
Эдвард Ф. РАКИЕВИЧ
Дунхай ВАН
Жань И
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Ппг Индастриз Огайо, Инк.
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    • HELECTRICITY
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    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
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    • H01M10/0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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    • H01M4/58Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
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    • H01M2004/026Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/027Negative electrodes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Claims (27)

1. Материал для анода литий-ионного аккумулятора, содержащий:
способные реагировать с литием металлические частицы;
частицы графенового углерода; и
связующее.
2. Материал для анода литий-ионного аккумулятора по п. 1, содержащий 15-85 мас.%, способных реагировать с литием металлических частиц, 3-75 мас.% частиц графенового углерода, и 3-60 мас.% связующего.
3. Материал для анода литий-ионного аккумулятора по п. 2, в котором способные реагировать с литием металлические частицы составляют 25-70 мас.%, и частицы графенового углерода составляют 10-60 мас.%
4. Материал для анода литий-ионного аккумулятора по п. 2, в котором способные реагировать с литием металлические частицы составляют 30-50 мас.%, и частицы графенового углерода составляют 30-50 мас.%
5. Материал для анода литий-ионного аккумулятора по п. 1, в котором графеновые частицы являются термически полученными частицами графенового углерода.
6. Материал для анода литий-ионного аккумулятора по п. 1, в котором графеновые частицы имеют аспектные отношения, превышающие 5:1.
7. Материал для анода литий-ионного аккумулятора по п. 1, в котором графеновые частицы имеют среднюю толщину 0,3-6 нм.
8. Материал для анода литий-ионного аккумулятора по п. 1, в котором способный реагировать с литием металл включает Si, Sn или их комбинации.
9. Материал для анода литий-ионного аккумулятора по п. 1, в котором способные реагировать с литием металлические частицы содержат Si, причем средний размер частиц составляет менее 1000 нм.
10. Материал для анода литий-ионного аккумулятора по п. 9, в котором частицы Si имеют средний размер 5-200 нм.
11. Материал для анода литий-ионного аккумулятора по п. 9, в котором частицы Si имеют средний размер 10-120 нм.
12. Материал для анода литий-ионного аккумулятора по п. 1, в котором связующее содержит полимер.
13. Материал для анода литий-ионного аккумулятора по п. 12, в котором полимер содержит поли (акриловую кислоту).
14. Материал для анода литий-ионного аккумулятора по п. 1, где материал для анода аккумулятора имеет вид слоя на электропроводящей подложке.
15. Материал для анода литий-ионного аккумулятора по п. 14, где электропроводящая подложка включает металлическую фольгу.
16. Материал для анода литий-ионного аккумулятора по п. 14, в котором слой материала для анода аккумулятора имеет толщину 5-500 мкм.
17. Материал для анода литий-ионного аккумулятора по п. 14, в котором слой материала для анода аккумулятора имеет толщину 20-200 мкм.
18. Материал для анода литий-ионного аккумулятора по п. 14, в котором материал для анода аккумулятора имеет удельное электросопротивление менее 250 Ом/квадрат.
19. Литий-ионный аккумулятор, содержащий:
анод;
катод;
разделитель между анодом и катодом; и
электролит, контактирующий с анодом и катодом, при этом анод содержит способные реагировать с литием металлические частицы, частицы графенового углерода и связующее.
20. Литий-ионный аккумулятор по п. 19, в котором анод содержит 15-85 мас.%, способных реагировать с литием металлических частиц, 3-75 мас.% частиц графенового углерода, и 3-60 мас.% связующего.
RU2015144284A 2013-03-15 2014-03-07 Аноды для литий-ионного аккумулятора, содержащие частицы графенового углерода RU2634689C2 (ru)

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US13/836,415 2013-03-15
US13/836,415 US11430979B2 (en) 2013-03-15 2013-03-15 Lithium ion battery anodes including graphenic carbon particles
PCT/US2014/021817 WO2014150006A1 (en) 2013-03-15 2014-03-07 Lithium ion battery anodes including graphenic carbon particles

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KR (2) KR20150119275A (ru)
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AU (1) AU2014237619B2 (ru)
BR (1) BR112015023111A2 (ru)
CA (1) CA2903497C (ru)
HK (1) HK1211744A1 (ru)
MX (1) MX2015012851A (ru)
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