Title:
【発明の名称】非水系二次電池
Document Type and Number:
Japanese Patent JP3178730
Kind Code:
B2
Abstract:
PURPOSE:To increase the current efficiency and capacity by using a carbon material containing a graphite material with a specific carbon net face interval for the active material of a negative electrode, and using a specific organic solvent electrolyte. CONSTITUTION:The carbon material of the active material of a negative electrode 1 contains a graphite material with the carbon net face interval d002 below 0.337nm, and an organic solvent electrolyte 4 contains gamma-butyrolactone 50vol.% or above. A transition metal chalcogen compound containing lithium is preferably used for a positive electrode 2. The current efficiency and capacity can be increased.
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Inventors:
Kenji Arai
Yoshio Suzuki
Yoshio Suzuki
Application Number:
JP10917791A
Publication Date:
June 25, 2001
Filing Date:
May 14, 1991
Export Citation:
Assignee:
ASAHI KASEI KABUSHIKI KAISHA
International Classes:
C01B31/02; C01B31/04; H01M4/587; H01M10/05; H01M10/0569; (IPC1-7): H01M4/58; H01M10/40
Domestic Patent References:
| JP4188559A | ||||
| JP2215059A |