OXIDE SOLID ELECTROLYTE, ELECTRODE MIXTURE, AND ALL-SOLID LITHIUM ION BATTERY

Title:

OXIDE SOLID ELECTROLYTE, ELECTRODE MIXTURE, AND ALL-SOLID LITHIUM ION BATTERY

Document Type and Number:

WIPO Patent Application WO/2022/149477

Kind Code:

A1

Abstract:

This oxide solid electrolyte is a composite containing lithium sulfate (Li2SO4) and lithium carbonate (Li2CO3), wherein: the molar ratio (Li2SO4:Li2CO3) of the lithium sulfate and the lithium carbonate is 20:80 to 80:20; in the curve obtained by differential scanning calorimetry, the position of an exothermic peak is 200 °C or less; and the oxide solid electrolyte has a conductivity of 1.0×10-7 S/cm or more.

Inventors:

NAGATA HIROSHI (JP)
AKIMOTO JUNJI (JP)

Application Number:

PCT/JP2021/047806

Publication Date:

July 14, 2022

Filing Date:

December 23, 2021

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Assignee:

AIST (JP)

International Classes:

C01D5/00; C01D7/00; H01B1/06; H01B1/08; H01M4/13; H01M4/62; H01M10/052; H01M10/0562

Domestic Patent References:

WO2016067631A1

2016-05-06

Foreign References:

JP2020064701A

2020-04-23

Attorney, Agent or Firm:

NISHIZAWA Kazuyoshi et al. (JP)

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