| 摘要 |
PURPOSE: To provide high capacity and high voltage by using metal oxide for a positive electrode, using a substance prepared by predetermined heating of insoluble and infusible substrate having a polyacene group skeletal structure for a negative electrode, and properly controlling quantity of lithium in a battery. CONSTITUTION: Metal oxide containing lithium, capable of electrochemically doping/ dedoping lithium, is used for a positive electrode 1, while a substance composed of insoluble and infusible substrate (PAS) is used for a negative electrode 2. In other words, the substance used for the negative electrode 2 is prepared by molding PAS, which is prepared by heating aromatic group condensation polymer and is provided with an atomic ratio of hydrogen atoms to carbon atoms of 0.5-0.05 and a polyacene group skeletal structure, on a metal foil while using a thermoplastic binder, and then, heating this at a temperature of a melting point of the thermoplastic binder or more. To the negative electrode 2PAS, total quantity of lithium contained in a battery is set to 500mAh/g or more, while quantity of lithium derived from the negative electrode 2 is set to 100mAh/g or more, and both of the quantity of lithium in the battery and the quantity of lithium derived from the negative electrode 2 are properly controlled, and consequently, the battery provided with high capacity and high voltage can be obtained. |
