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US005683672A
United States Patent [19] [ii] Patent Number: 5,683,672
Sekai [45] Date of Patent: Nov. 4, 1997
[54] NON-AQUEOUS LIQUID ELECTROLYTE SECONDARY CELL
[75] Inventor: Koji Sekai, Kanagawa, Japan
[73] Assignee: Sony Corporation, Tokyo, Japan
[21] Appl. No.: 724,153
[22] Filed: Oct 1,1996
Related U.S. Application Data
[63] Continuation of Ser. No. 421,779, Apr. 14,1995, abandoned.
[30] Foreign Application Priority Data
Apr. 15, 1994 [JP] Japan 6-101575
[51] Int CI.6 C01G 49/00
[52] U.S. CI 423/593; 423/594; 423/641;
429/191; 429/193; 429/194; 429/218
[58] Field of Search 423/593, 594,
423/641; 429/191, 193, 194, 218
[56] References Cited
U.S. PATENT DOCUMENTS 5,196,278 3/1993 Idota 429/218
