| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve productivity of a nonaqueous secondary battery with high discharge voltage, superb charge/discharge cycle characteristics, and excellent in safety. <P>SOLUTION: In the nonaqueous secondary battery consisting of a cathode and an anode containing a material capable of reversibly storing and releasing lithium, and nonaqueous electrolyte containing lithium salt, the cathode contains lithium-containing transition metal oxide of at least one kind of transition metal selected from V, Cr, Mn, Fe, Co, and Ni, the anode contains at least a kind selected from a carbonaceous compound selected from natural graphite and artificial graphite, transition metal, oxide of metal of 13th to 15th families in the periodic table or metalloid element, or chalcogenide, and the anode and/or the cathode have at least one layer of protective layer containing at least one kind of water-insoluble or water-refractory particles selected from oxide of sodium, potassium, magnesium, calcium, strontium, zirconium, aluminum, or silicon and a binder. <P>COPYRIGHT: (C)2008,JPO&INPIT |
