Panasonic Intellectual Property Management Co., Ltd.

Panasonic Corporation

Matsushita Electric Industrial Co., Ltd.

Akihiro Sakai

Tetsuya Asano

Akinobu Miyazaki

Yusuke Nishio

Tsutomu Kanno

Masashi Sakaida

Kohei Takahashi

Yuka Yamada

Takashi Kubo

Shinya Hasegawa

Hiromasa Tamaki

Hideo Kusada

Izuru Sasaki

Yoshiaki Tanaka

Hideaki Adachi

Yuta Sugimoto

Kazufumi Miyatake

Koki Ueno

Kenta Nagamine

Akihiro Odagawa

Satoru Ohuchi

Keita Mizuno

Yasunari Sugita

Satoshi Okada

Atsushi Omote

Hiroki Kamitake

Kaori Takeuchi

Daisuke Ueda

Hiroki Sato

Seiji Nishiyama

Tomoyuki Komori

Satoshi Yotsuhashi

Takahiro Hamada

Norihito Fujinoki

Yohei Hayashi

Kensuke Wakasugi

Kazuhide Ichikawa

Takehiro Tanaka

Mikiya Fujii

A producing method according to the present disclosure includes heat-treating a material mixture at higher than or equal to 150° C. and lower than or equal to 450° C., wherein the material mixture contains MXand at least one selected from the group consisting of LiO, LiO, and LiOH, M is at least one selected from the group consisting of Ta and Nb, and X is at least one selected from the group consisting of Cl and Br.

Method for producing oxyhalide

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

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 production method for producing a halide, the method includes a heat treatment step of heat-treating a mixed material containing (NH)Yα, (NH)Smβ, Liγ, and Caδin an inert gas atmosphere, wherein α, β, γ, and δ are each independently at least one selected from the group consisting of F, Cl, Br, and I, and the following three formulas: 0≤a≤3, 0≤b≤3, and 0<a+b≤6, are satisfied.

Method for producing halide

A solid electrolyte consists essentially of Li, M, and X. M includes at least one element selected from the group consisting of Gd, Tb, and Sm. X is at least one element selected from the group consisting of Cl, Br, and I.

Solid electrolyte and battery using same

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 solid electrolyte material includes Li, Ca, Y, Gd, and X wherein X is at least one element selected from the group consisting of F, Cl, Br, and I. A battery uses 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

The solid electrolyte material of the present disclosure includes Li, M, O, X, and F. M is at least one element selected from the group consisting of Ta and Nb. X is at least one element selected from the group consisting of Cl, Br, and I.

A positive electrode material includes: a positive electrode active material; a coating layer covering at least part of the surface of the positive electrode active material; and a second solid electrolyte. The coating layer includes a first solid electrolyte. The first solid electrolyte includes Li, M1 and F. M1 is at least one selected from the group consisting of Ti, Al and Zr. The second solid electrolyte includes Li, M2, O and X. M2 is at least one selected from the group consisting of Ta and Nb. X is at least one selected from the group consisting of F, Cl, Br and I.

Positive electrode material and battery

The battery includes a positive electrode, a first electrolyte layer, a second electrolyte layer, and a negative electrode arranged in this order. The first electrolyte layer contains a first solid electrolyte material and a second solid electrolyte material. In the first electrolyte layer, the mass ratio of the second solid electrolyte material to the first solid electrolyte material is greater than 0.05 and less than 1. The second electrolyte layer contains the second solid electrolyte material. The first solid electrolyte material is formed of Li, M, O, and X. In the first solid electrolyte material, M is at least one element selected from the group consisting of metal elements other than Li, and metalloids, and X is at least one element selected from the group consisting of Cl, Br, and I. The second solid electrolyte material has a composition different from that of the first solid electrolyte material.

Battery

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

The present disclosure provides a cathode material which has improved charge/discharge efficiency; and a battery using the same. The cathode material includes a cathode active material and a first solid electrolyte material; and the first solid electrolyte material contains Li, M and X; however, does not include sulfur. M represents at least one element that is selected from the group consisting of metalloid elements and metal elements other than Li. X represents at least one selected from the group consisting of Cl and Br, and I. The cathode active material includes lithium iron phosphate.

Cathode material and battery using same

A solid electrolyte material according to an aspect of the present disclosure is represented by the following Compositional Formula (1):LiYXwhere 0<z<2 is satisfied; and X represents Cl or Br.

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.

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Nara, Japan

Akihiro Sakai