| 摘要 |
PROBLEM TO BE SOLVED: To provide a positive electrode for a lithium ion secondary battery which can achieve enhancement of capacity per volume of an electrode and high output, and to provide a lithium ion secondary battery, and a battery module.SOLUTION: The positive electrode for a lithium ion secondary battery includes a mixture layer containing a positive electrode active material (3), a conductive material and polyolefin binder, and a collector (1) having the mixture layer formed on the surface. The positive electrode active material (3) is a composite oxide having an olivine structure represented by a chemical formula LiMPO(M is a transition metal containing at least one of Fe and Mn. 0<a≤1.1, 0.9≤x≤1.1), and the conductive material contains fibrous carbon (4). |
