| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte secondary battery capable of providing high battery capacity, in a nonaqueous electrolyte secondary battery using a lithium-containing vanadium oxide containing at least lithium and vanadium for a positive electrode active material. <P>SOLUTION: This nonaqueous electrolyte secondary battery includes a positive electrode employing a positive electrode active material that stores and releases lithium, a negative electrode employing a negative electrode active material that stores and releases lithium, and a nonaqueous electrolyte solution having lithium ion conductivity. The positive electrode active material of the positive electrode uses a first positive electrode active material formed of a lithium-containing vanadium oxide containing at least lithium and vanadium, and a second positive electrode active material containing lithium and at least one element selected from the group consisting of nickel, cobalt, manganese, and iron. <P>COPYRIGHT: (C)2007,JPO&INPIT |
