| 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 |

| 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.
|