Solid-state lithium batteries with sulfide-based solid electrolytes

Kazunori Takada

doi:10.1142/9789812702586_0045

Solid-state lithium batteries with sulfide-based solid electrolytes

2012-01-26

8

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AI

DOI：10.1142/9789812702586_0045

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Inorganic solid electrolytes are promising for the salution to the safety issue of lithium batteries. In spite of this advantage, solid-state lithium batteries are, in general, lower in energy density than organic electrolyte systems. One of the reasons for the lower energy densities of solid systems is that combination of carbon materials and LiCoO2, which offers high energy density in lithium-ion batteries, have not been used. This paper presents how to construct solid-state lithium batteries with a graphite anode and a LiCoO2 cathode from a consideration on compatibility of solid electrolytes with electrode materials. The consideration led us to a unique construction of a solid-state lithium battery employing two kinds of solid electrolytes, which enabled us to realize C / LiCoO2 solid-state batteries with a high energy density.

Keyword:

CONDUCTING OXYSULFIDE GLASSES

IONIC-CONDUCTIVITY

THIO-LISICON

SYSTEM

PERFORMANCE

Solid-state lithium batteries with sulfide-based solid electrolytes

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