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US 8,012,631 B2Granted
Lithium ion conductive sulfide-based solid electrolyte and all-solid lithium battery using same
AssigneeIdemitsu Kosan Co., Ltd.
InventorsYoshikatsu Seino, Masaru Nakagawa, Minoru Senga, Masatoshi Shibata
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Abstract
A solid electrolyte including a lithium (Li) element, a phosphorus (P) element and a sulfur (S) element, the 31P MAS NMR spectrum thereof having a peak ascribed to a crystal at 90.9±0.4 ppm and 86.5±0.4 ppm; and the ratio (xc) of the crystal in the solid electrolyte being from 60 mol % to 100 mol %.
Claims5
A solid electrolyte comprising a lithium (Li) element, a phosphorus (P) element and a sulfur (S) element,
- a 31P Magic Angle Spinning (MAS) NMR spectrum thereof having a peak corresponding to a highly ion conductive crystal at 90.9±0.4 ppm and 86.5±0.4 ppm;
- and
- a ratio (xc) of the highly ion conductive crystal in the solid electrolyte is from 60 mol % to 100 mol %.
Dependencies are inferred from the claim text.