| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method of manufacturing an active material capable of improving the discharge capacity of a lithium ion secondary battery. <P>SOLUTION: The method of manufacturing the active material includes a hydrothermal synthesis step of heating a mixture containing a lithium source, a phosphate source, a vanadium source, water and a reducing agent to 200-300°C under pressure, and adjusts the ratio [P]/[V] of the number of moles [P] of phosphorous element contained in the mixture before heating to the number of moles [V] of vanadium element contained in the mixture before heating to 0.9-1.5. <P>COPYRIGHT: (C)2011,JPO&INPIT |
