| | Nonaqueous secondary battery - Patent 5654114 |
 | | In order to make the electrolytic solution incombustible, a halogen-containing solvent, such as carbon tetrachloride or trifluorochloroethylene, may be added to the electrolytic solution (JP-A No. 36632/1973). |
 | | Furthermore, in order to make the electrolytic solution resistant to high-temperature preservation, carbonic acid gas may be incorporated thereto (JP-A No. 134567/1984). |
 | | The composite materials for positive and negative electrodes may contain an electrolytic solution or an electrolyte. |
| www.freepatentsonline.com /5654114.html (10585 words) |