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US 8,865,355 B2Granted
Solid electrolyte material and lithium battery
AssigneesNational University Corporation Shizuoka University, Toyota Jidosha Kabushiki Kaisha
InventorsYasutoshi Iriyama, Shota Kumazaki, Murugan Ramaswamy, Yutaka Hirose
Life of this patent
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Abstract
A main object of the present invention is to provide a Li—La—Zr—O-based solid electrolyte material having favorable denseness. The present invention solves the problem by providing a solid electrolyte material including Li, La, Zr, Al, Si and O, having a garnet structure, and being a sintered body.
Claims7
A solid electrolyte material comprising Li, La, Zr, Al, Si and O, having a garnet structure, and being a sintered body:
- wherein a ratio (Al/Si) of a content (% by weight) of the Al to a content (% by weight) of the Si is within a range of 0.61 to 11.9, and wherein the content of Al in the solid electrolyte material is within a range of 0.1 to 2.2 percent by weight, and the content of Si in the solid electrolyte material is within a range of 0.005 to 1.00 percent by weight.
Dependencies are inferred from the claim text.