H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 4/40 (2006.01) H01M 10/26 (2006.01)
Patent
CA 2548832
A lithium secondary battery anode member of the present invention includes a solid electrolyte film formed on a lithium metal film and is capable of suppressing reduction of the solid electrolyte film over a long period of time. In the lithium secondary battery anode member, the lithium metal film and the solid electrolyte film are laminated on a substrate, the solid electrolyte film contains the composition xLi - yP - zS - wO wherein x, y, z, and w satisfy the relations, 0.2 <= x <= 0.45, 0.1 <= y <= 0.2, 0.35 <= z <= 0.6, and 0.03 <= w <= 0.13, respectively, (x + y + z + w = 1), and the main peaks of an X-ray diffraction pattern of the solid electrolyte film measured by a film method using Cu K.alpha. radiation are at 2.theta. of about 11° and 30° and each have a half width of 10° or less.
Marks & Clerk
Sumitomo Electric Industries Ltd.
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