Panasonic Intellectual Property Management Co., Ltd.

Yusuke Nishio

Akihiro Sakai

Akinobu Miyazaki

Tetsuya Asano

Masashi Sakaida

Shinya Hasegawa

Takashi Kubo

Kazufumi Miyatake

Yoshiaki Tanaka

Seiji Nishiyama

Koki Ueno

The solid electrolyte material of the present disclosure includes Li, Ca, Y, Sm, X, and O, where X is at least one selected from the group consisting of F, Cl, Br, and I; and the molar ratio of O to the sum of Y and Sm in a surface area of the solid electrolyte material is higher than the molar ratio of O to the sum of Y and Sm in the entire solid electrolyte material.

Solid electrolyte material and battery using same

A solid electrolyte composition of the present disclosure includes: a solid electrolyte material including an oxygen element and a halogen element; and an organic solvent. The organic solvent includes at least one selected from the group consisting of a halogen-group-containing compound and a hydrocarbon. The solid electrolyte material includes at least one selected from the group consisting of Zn, Sn, Al, Sc, Ga, Bi, Sb, Zr, Hf, Ti, Ta, Nb, W, Y, Gd, Tb, and Sm.

Solid electrolyte composition, and method for manufacturing solid electrolyte member

The present disclosure provides a solid electrolyte composition that can suppress deterioration in ion conductivity of an ionic solid electrolyte material. The solid electrolyte composition according to the present disclosure contains a sulfur element-free ionic solid electrolyte material and an organic solvent, where the organic solvent includes at least one selected from the group consisting of a hydrocarbon and a compound having a functional group; and the functional group is at least one selected from the group consisting of an ether group, a halogen group, and a Si—O—C group.

Solid electrolyte composition and method of producing solid electrolyte member

A solid electrolyte composition according to the present disclosure includes a halide solid electrolyte material and an organic solvent. The halide solid electrolyte material has an average particle size of less than or equal to 1 μm. The organic solvent consists of at least one selected from the group consisting of a compound having a functional group and a hydrocarbon. The functional group includes at least one selected from the group consisting of an ether group and a halogen group.

Solid electrolyte composition and solid electrolyte particles

A solid-electrolyte material includes Li, Y, O, and X. X is at least two elements selected from the group consisting of F, Cl, Br, and I. O is present in a surface region of the solid-electrolyte material.

A method for producing a halide includes heat-treating a mixed material in an inert gas atmosphere, the mixed material being a mixture of (NH)MXand LiZ. The M includes at least one element selected from the group consisting of Y, a lanthanoid, and Sc. The X is at least one element selected from the group consisting of Cl, Br, I, and F. The Z is at least one element selected from the group consisting of Cl, Br, I, and F. Furthermore, 0<a≤3 is satisfied.

Halide production method

Provide is a solid electrolyte material represented by a composition formula LiYMXF, where M includes at least one kind selected from the group consisting of metalloid elements and metal elements other than Li and Y; X is at least one kind selected from the group consisting Cl, Br, and I; 0<a; 0<b; 0≤c; and 0<d<6.

Solid electrolyte material and battery

An electrolyte material is represented by LiAlMFClBr, wherein M is at least one selected from the group consisting of Mg, Ca, and Zr; c represents a valence of M; and the following five inequalities are satisfied: 0<a<1.33, 0≤b<2, 0<x<4, 0≤y<4, and (x+y)≤4.

Lithium-aluminum-fluorine-chlorine/bromine-containing electrolyte material and battery including the same

A production method for producing a halide includes heat-treating, in an inert gas atmosphere, a mixed material in which LiX, YZ, and at least one of LiX' or YZ′are mixed, where X is an element selected from the group consisting of Cl, Br, and I; Z is an element selected from the group consisting of Cl, Br, and I and different from X; X′ is an element selected from the group consisting of Cl, Br, and I and different from either X or Z; and Z′ is an element selected from the group consisting of Cl, Br, and I and different from either X or Z. In the heat-treatment, the mixed material is heat-treated at higher than or equal to 200° C. and lower than or equal to 650° C.

Method for producing halide

A halide solid electrolyte material according to the present disclosure is represented by the chemical formula Li(ZrM)X(I), wherein M denotes at least one element selected from the group consisting of Mg, Ca, Sr, Ba, and Zn, X denotes at least one halogen element, and two mathematical formulae 0<a<1 and 0<b<1.5 are satisfied.

Halide solid electrolyte material and battery including the same

A solid-electrolyte material includes Li, Y, X, O, and H. X is at least two elements selected from the group consisting of F, Cl, Br, and I.

A production method for producing a halide includes heat-treating, in an inert gas atmosphere, a mixed material in which LiCl and YClare mixed. In the heat-treatment, the mixed material is heat-treated at higher than or equal to 200° C. and lower than or equal to 650° C.

Provided is a solid electrolyte material represented by the following composition formula (1):LiYX  Formula (1)

A solid-electrolyte material includes Li, Y, O, and X. X is at least two elements selected from the group consisting of F, Cl, Br, and I.

Solid-electrolyte material and battery including the same

A method for producing a halide includes heat-treating a mixed material in an inert gas atmosphere, the mixed material being a mixture of MO, NHX, and LiZ. The M includes at least one element selected from the group consisting of Y, a lanthanoid, and Sc. The X is at least one element selected from the group consisting of CI, Br, I, and F. The Z is at least one element selected from the group consisting of CI, Br, I, and F.

Growing community of inventors

Osaka, Japan

Yusuke Nishio