| 摘要 |
PROBLEM TO BE SOLVED: To provide a polymer solid electrolyte battery having stable discharge capacity by improving positive electrode active material utilization efficiency and also capable of minimizing temperature characteristics of a polymer solid electrolyte battery, specifically an increase in internal resistance of a battery in a low temperature environment.SOLUTION: In a polymer solid electrolyte battery 1 including a polymer electrolyte membrane 4 held between a positive electrode 2 and a negative electrode 3, the positive electrode 2 includes: an active material particle 22 comprising olivine type lithium phosphate (LiMPO(where M represents at least one selected from the group consisting of Co, Ni, Mn and Fe)); a solid electrolyte 25 comprising PEO-EM (polyethylene oxide in which ethyl methyl oxide is added to a side chain) having ion conductivity; and a conductive material 24 having electron conductivity. |
