RU2005136217A - Анодный материал для вторичного литиевого элемента большой емкости - Google Patents

Анодный материал для вторичного литиевого элемента большой емкости Download PDF

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RU2005136217A
RU2005136217A RU2005136217/09A RU2005136217A RU2005136217A RU 2005136217 A RU2005136217 A RU 2005136217A RU 2005136217/09 A RU2005136217/09 A RU 2005136217/09A RU 2005136217 A RU2005136217 A RU 2005136217A RU 2005136217 A RU2005136217 A RU 2005136217A
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layer
anode material
metal
core
amorphous carbon
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RU2005136217/09A
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RU2304325C2 (ru
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Я-Мин КИМ (KR)
Я-Мин КИМ
Ки-Янг ЛИ (KR)
Ки-Янг ЛИ
Сео-Дзае ЛИ (KR)
Сео-Дзае ЛИ
Сук-Миунг РОХ (KR)
Сук-Миунг РОХ
Оу-Дзунг КВОН (KR)
Оу-Дзунг КВОН
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Эл Джи Кем, Лтд. (Kr)
Эл Джи Кем, Лтд.
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  • Dispersion Chemistry (AREA)
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  • Secondary Cells (AREA)

Claims (10)

1. Анодный материал, содержащий металлический слой сердцевины, способный к повторяющемуся интеркалированию/деинтеркалированию лития; слой аморфного углерода, покрывающий поверхность металлического слоя сердцевины; и слой кристаллического углерода, покрывающий слой аморфного углерода.
2. Анодный материал по п.1, в котором металлический слой сердцевины состоит из металла или сплава, содержащего по меньшей мере один металл, выбранный из группы, состоящей из Si, Al, Sn, Sb, Bi, As, Ge и Pb.
3. Анодный материал по п.1, в котором поверхность металлического слоя сердцевины частично или полностью покрыта слоем покрытия, содержащего слой аморфного углерода и слой кристаллического углерода.
4. Анодный материал по п.1, в котором отношение металлического слоя сердцевины к слою аморфного углерода к слою кристаллического углерода составляет 90-10 мас.%: 0,1-50 мас.%: 9-90 мас.%.
5. Анодный материал по п.1, в котором слой аморфного углерода имеет межслойное расстояние (d002) атомов углерода 0,34 нм или более и толщину 5 нм или более.
6. Анодный материал по п.1, в котором слой кристаллического углерода имеет межслойное расстояние (d002) атомов углерода в диапазоне от 0,3354 до 0,35 нм и толщину в диапазоне от 1 до 10 мкм.
7. Вторичный элемент, в котором используется анодный материал по любому из пп.1-6.
8. Способ приготовления анодного материала по любому из пп.1-6, содержащий этапы, на которых наносят слой аморфного углерода на металлический слой сердцевины посредством тонкопленочного процесса осаждения, или наносят пек или предшественники из органических материалов на металлический слой сердцевины и термически обрабатывают для осуществления карбонизации, тем самым нанося слой аморфного углерода на металлический слой сердцевины; и наносят суспензию, содержащую кристаллические углеродистые материалы, на поверхность слоя аморфного углерода и высушивают для формирования слоя кристаллического углерода.
9.Способ приготовления анодного материала по любому из пп.1-6, содержащий этапы, на которых смешивают металл, образующий слой сердцевины, с кристаллическим углеродом; и осуществляют процесс механического сплавления для одновременного формирования слоя аморфного углерода и слоя кристаллического углерода на металлическом слое сердцевины.
10. Способ по п.9, в котором при смешивании отношение металла к кристаллическому углероду составляет 10-90:90-10.
RU2005136217/09A 2003-06-25 2004-06-25 Анодный материал для вторичного литиевого элемента большой емкости RU2304325C2 (ru)

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KR10-2003-0041498 2003-06-25

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US (1) US8182939B2 (ru)
EP (1) EP1644999B1 (ru)
JP (1) JP4629027B2 (ru)
KR (1) KR100776912B1 (ru)
CN (1) CN100463253C (ru)
AT (1) ATE550797T1 (ru)
BR (1) BRPI0411397B8 (ru)
CA (1) CA2530177C (ru)
RU (1) RU2304325C2 (ru)
TW (1) TWI246212B (ru)
WO (1) WO2004114439A1 (ru)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
US8367249B2 (en) 2009-03-06 2013-02-05 Eliont Llc Anode material for lithium-ion chemical power sources and method of obtaining thereof

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