| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lithium secondary battery having capacity, durability, rate characteristic improved as compared with conventional ones. <P>SOLUTION: A plate-like particle or a film for a positive electrode active material of the lithium secondary battery is represented by the general formula: Li<SB POS="POST">p</SB>(Ni<SB POS="POST">x</SB>, Mn<SB POS="POST">y</SB>)O<SB POS="POST">2</SB>(0.9≤p≤1.3, 0.4<x≤0.9, 0.1<y≤0.6, x+y=1) and has layered rock-salt structure, and (003)-surface is oriented so as to cross with a plate surface. <P>COPYRIGHT: (C)2012,JPO&INPIT |
