| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a technology for producing an electrode active material having a cryolite structure capable of achieving multi-stage redox at low cost. <P>SOLUTION: A method for producing an electrode active material includes a process of dissolving vanadium oxide in a hydrogen fluoride aqueous solution and performing solvothermal treatment with an inorganic alkali metal salt in a nonaqueous solvent to obtain fluoride M<SB POS="POST">3</SB>VF<SB POS="POST">6</SB>(M represents an alkali metal element) having a cryolite structure. <P>COPYRIGHT: (C)2012,JPO&INPIT |
