Compositions: ceramic – Ceramic compositions – Devitrified glass-ceramics
Reexamination Certificate
2007-05-01
2007-05-01
Group, Karl (Department: 1755)
Compositions: ceramic
Ceramic compositions
Devitrified glass-ceramics
C204S429000, C429S320000, C429S322000
Reexamination Certificate
active
10462450
ABSTRACT:
There are provided glass-ceramics having a high lithium ion conductivity which include in mol %:P2O538–40%TiO225–45%M2O3(where M is Al or Ga) 5–15%Li2O10–20%and contain Li1+X(Al, Ga)XTi2−X(PO4)3(where 0<X<0.8) as a main crystal phases. There are also provided glass-ceramics having a high lithium ion conductivity which include in mol %:P2O5 26–40%SiO20.5–12%TiO2 30–45%M2O3(where M is Al or Ga) 5–10%Li2O 10–18%and contain Li1+X+YMXTi2−XSiYP3−YO12(where 0<X≦0.4 and 0<Y≦0.6) as a main crystal phase. There are also provided solid electrolytes for an electric cell and a gas sensor using alkali ion conductive glass-ceramics, and a solid electric cell and a gas sensor using alkali ion conductive glass-ceramics as a solid electrolyte.
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Costigan James V.
Group Karl
Hedman & Costigan ,P.C.
Kabushiki Kaisha Ohara
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