正極合材、正極活物質層、全固体電池および正極活物質層の製造方法

Title:

正極合材、正極活物質層、全固体電池および正極活物質層の製造方法

Document Type and Number:

Japanese Patent JP6936959

Kind Code:

B2

Abstract:

An object of the present disclosure is to provide a cathode mixture with high energy density per volume. The present disclosure achieves the object by providing a cathode mixture to be used in an all solid state battery, the cathode mixture comprising: a first cathode active material, a second cathode active material, and a sulfide solid electrolyte; and a ratio of an average particle diameter of the first cathode active material to an average particle diameter of the second cathode active material is 2.0 or more and 4.3 or less.

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Inventors:

Yui Yuuki
Daichi Kosaka
Jun Yoshida

Application Number:

JP2017237904A

Publication Date:

September 22, 2021

Filing Date:

December 12, 2017

Export Citation:

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Assignee:

TOYOTA JIDOSHA KABUSHIKI KAISHA

International Classes:

H01M4/13; H01M4/139; H01M4/36; H01M4/505; H01M4/525; H01M4/62; H01M10/0562

Domestic Patent References:

JP2009076402A
JP2004063269A
JP2011216485A
JP2017016793A

Foreign References:

WO2017145894A1

Attorney, Agent or Firm:

Akihiko Yamashita
Kishimoto Tatsuto
Noriyuki Yamamoto

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