Title:
リチウム二次電池用非水電解液及びそれを備えたリチウム二次電池
Document Type and Number:
Japanese Patent JP5399519
Kind Code:
B2
Abstract:
Disclosed is a non-aqueous electrolyte solution for a lithium secondary battery. The non-aqaeous electrolyte solution includes a lithium salt, an organic solvent and additives. The additives include: 1 to 10% by weight of a mixture of a particular halogenated cyclic carbonate and a compound containing a vinylene or vinyl group; and 0.1 to 9% by weight of a nitrile compound having a C 2 -C 12 alkoxyalkyl group. A lithium secondary battery including the non-aqueous electrolyte solution is also disclosed. The lithium secondary battery is protected from catching fire when overcharged and is prevented from swelling during storage at high temperature.
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Inventors:
Hong, ヨン‐スク
Ore, Jason
Park, a G won
Lee, ビャン‐ベ
Kim, ドン‐ス
Lee, ヒョ‐ジン
Ore, Jason
Park, a G won
Lee, ビャン‐ベ
Kim, ドン‐ス
Lee, ヒョ‐ジン
Application Number:
JP2011547828A
Publication Date:
January 29, 2014
Filing Date:
July 09, 2010
Export Citation:
Assignee:
Elgey Kem Limited
International Classes:
H01M10/0567; H01M4/36; H01M4/505; H01M4/525; H01M10/052; H01M10/0568; H01M10/0569
Attorney, Agent or Firm:
Katsunuma Hirohito
Yukitaka Nakamura
Nobutaka Yokota
Takehiro Ito
Takeshi Katada
Yukitaka Nakamura
Nobutaka Yokota
Takehiro Ito
Takeshi Katada