US 7,615,310 B2
Organic electrolyte battery including at least one of phthalazone and a phthalazone derivative
Nobuharu Koshiba, Ikoma-gun (Japan); Youko Sano, Neyagawa (Japan); and Shinichi Kawaguchi, Kishiwada (Japan)
Assigned to Panasonic Corporation, Osaka (Japan)
Filed on Nov. 14, 2005, as Appl. No. 11/271,851.
Claims priority of application No. 2004-334126 (JP), filed on Nov. 18, 2004.
Prior Publication US 2006/0222959 A1, Oct. 05, 2006
Int. Cl. H01M 6/04 (2006.01); H01M 4/60 (2006.01)
U.S. Cl. 429—188  [429/212; 429/347] 8 Claims
OG exemplary drawing
 
1. An organic electrolyte battery comprising: a positive electrode comprising a positive electrode active material; a negative electrode comprising a negative electrode active material; an organic electrolyte comprising at least an organic solvent and a solute dissolved in said organic solvent; and an additive that suppresses an increase in internal resistance,
wherein said additive comprises at least one of phthalazone and a phthalazone derivative, and said phthalazone derivative has an alkali metal substituted for a hydrogen atom bonded to a nitrogen atom of the amide group in phthalazone.