POSITIVE ELECTRODE ACTIVE MATERIAL - TOYOTA JIDOSHOKKI KK

Title:

POSITIVE ELECTRODE ACTIVE MATERIAL

Document Type and Number:

WIPO Patent Application WO/2019/017199

Kind Code:

Abstract:

The present invention provides a novel positive electrode active material for providing a lithium-ion secondary battery that exhibits a superior capacity. This positive electrode active material is characterized by exhibiting a crystal structure attributable to the space group Fm-3m and by being represented by compositional formula (1): Li1+xNbyFeaMnbPcXdOe, wherein X is selected from among halogens, and x, y, a, b, c, d, and e satisfy 0

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Inventors:

GOTO AKIRA (JP)
YAMAMOTO YUSUKE (JP)
SUGIE TSUKASA (JP)
MORISHITA YASUYUKI (JP)
OKAYAMA YASUAKI (JP)

Application Number:

PCT/JP2018/025295

Publication Date:

January 24, 2019

Filing Date:

July 04, 2018

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Assignee:

TOYOTA JIDOSHOKKI KK (JP)

International Classes:

H01M4/505; C01G45/02; H01M4/525

Domestic Patent References:

WO2014156153A1	2014-10-02
WO2017047021A1	2017-03-23

Foreign References:

JP2012038564A

2012-02-23

Other References:

YABUUCHI, NAOAKI ET AL.: "Origin of stabilization and destabilization in solid-state redox reaction of oxide ions for lithium-ion batteries", NAT. COMMUN., vol. 7, no. 13814, 2016, pages 1 - 10

Attorney, Agent or Firm:

KYORITSU INTERNATIONAL (JP)

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