LITHIUM-CONTAINING ZIRCONIUM PHOSPHATE, CALCINED POWDER OF SAME, AND METHOD FOR PRODUCING SINTERED BODY

Title:

LITHIUM-CONTAINING ZIRCONIUM PHOSPHATE, CALCINED POWDER OF SAME, AND METHOD FOR PRODUCING SINTERED BODY

Document Type and Number:

WIPO Patent Application WO/2018/088424

Kind Code:

A1

Abstract:

The present invention provides: a lithium-containing zirconium phosphate having excellent high-temperature heat resistance and excellent mechanical strength, which is useful as an inorganic solid electrolyte material having lithium ion conductivity; a calcined powder of this lithium-containing zirconium phosphate; and a method for producing a sintered body. The present invention specifically provides a lithium-containing zirconium phosphate which is characterized in that (1) the composition ratio thereof satisfies Li:M1:M2:P = (1.0 to 1.7):(0.10 to 0.35):(2.0):(more than 3.00 but 3.50 or less); (2) M1 represents at least one element selected from the group consisting of Ca, Mg, Sr and Ba, and in cases where M1 represents two or more elements, the total composition ratio thereof is 0.10 to 0.35, and (3) M2 represents Zr alone, or Zr and at least one element selected from the group consisting of Al, Sc, Y, La, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu, with the composition ratio of Zr in the composition ratio of M2 being 1.47 to 2.00.

More Like This:

WO/2022/094703	IMPROVED SYNTHESIS OF OLIVINE LITHIUM METAL PHOSPHATE CATHODE MATERIALS
JP5442915	Positive electrode active material for non-aqueous electrolyte secondary batteries, positive electrode for non-aqueous electrolyte secondary batteries and non-aqueous electrolyte secondary batteries
JP2015223259	HYDROXYAPATITE DERIVATIVE PARTICLE GROUP

Inventors:

NAKAJIMA YASUSHI (JP)
NAKAYAMA SUSUMU (JP)

Application Number:

PCT/JP2017/040233

Publication Date:

May 17, 2018

Filing Date:

November 08, 2017

Export Citation:

Click for automatic bibliography generation Help

Assignee:

DAIICHI KIGENSO KAGAKU KOGYO (JP)
NATIONAL INSTITUTE OF TECH (JP)

International Classes:

C01B25/45; H01B1/06; H01M10/0562

Foreign References:

JP2015076324A	2015-04-20
JP2016051539A	2016-04-11
JP2015065023A	2015-04-09

Other References:

XIE, HUI ET AL.: "Li1.2Zr1.9Ca0.1 (P04) 3, a room-temperature Li-ion solid electrolyte", JOURNAL OF POWER SOURCES, vol. 196, 2011, pages 7760 - 7762, XP028378312
See also references of EP 3539925A4

Attorney, Agent or Firm:

SAEGUSA & PARTNERS (JP)

Download PDF:

View/Download PDF PDF Help

Previous Patent: OPTICAL INSPECTION DEVICE

Next Patent: IMAGE EVALUATION DEVICE, IMAGE EVALUATION METHOD, AND IMAGE EVALUATION PROGRAM