| 摘要 |
PURPOSE:To obtain a lithium secondary battery having a supeior charge and discharge characteristic of a Li electrode by using at least a kind of substance selected from a group consisting of ethylene diamine and its derivatives, as addition agent. CONSTITUTION:A cell is composed of a Pt electrode as an operating electrode, Li electrode as an opposite electrode, and Li as a reference electrode, and the charge and discharge characteristic of the Li electrode is measured by depositing Li on the Pt electrode. One N. of LiClO4/propylene carbonate (PO) added with ethylene diamine (EDA) in a volume mixed ratio of 3% is used as electrolytic solution. As seen from the figure, the charge and discharge cycle characteristic is improved clearly in the system (a) added with EDA in comparison with the single system (b). |
