Panasonic Intellectual Property Management Co., Ltd.

Tetsuya Asano

Akihiro Sakai

Akinobu Miyazaki

Masashi Sakaida

Yusuke Nishio

Shinya Hasegawa

Takashi Kubo

Yoshiaki Tanaka

Tomoyuki Komori

Kazufumi Miyatake

Eiji Fujii

Takashi Nishihara

Yuji Zenitani

Satoru Ohuchi

Koki Ueno

Izuru Sasaki

Akihiro Itou

Kenta Nagamine

Kaori Takeuchi

Satoshi Shibata

Hiroki Takeuchi

Takahiro Hamada

Keita Mizuno

Takuji Tsujita

Yuta Sugimoto

Yu Nishitani

Yohei Hayashi

Kensuke Wakasugi

Saifullah Badar

Kazuhide Ichikawa

Asami Nishikawa

Takehiro Tanaka

Mikiya Fujii

Sakai Akihiro

Hasegawa Shinya

Miyazaki Akinobu

Sakaida Masashi

Nishio Yusuke

The solid electrolyte material of the present disclosure includes Li, Ca, Y, Sm, X, and O, wherein X is at least one selected from the group consisting of F, Cl, Br, and I.

Solid electrolyte material and battery using same

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.

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 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.

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

An interconnect structure includes: an interconnect layer containing a metal element as a main component and extending in a direction; a metal layer opposite to the interconnect layer, and a solid electrolyte layer between the interconnect layer and the metal layer. The solid electrolyte layer encloses the interconnect layer at least in a cross-sectional view taken along a plane orthogonal to the direction. The interconnect layer and the metal layer are electrically insulated from each other by the solid electrolyte layer.

Interconnect structure of semiconductor device

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.

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

The production method of the present disclosure includes heat-treating a material mixture containing a compound containing Y, a compound containing Sm, NHα, Liβ, and Caγin an inert gas atmosphere. The compound containing Y is at least one selected from the group consisting of YOand Yδ, and the compound containing Sm is at least one selected from the group consisting of SmOand Smε. The material mixture contains at least one selected from the group consisting of YOand SmO, and α, β, γ, δ, and ε are each independently at least one selected from the group consisting of F, Cl, Br, and I.

The present disclosure provides a solid electrolyte material having a high lithium ion conductivity. The solid electrolyte material according to the present disclosure includes Li, Zr, Y, M, and X. M is at least one element selected from the group consisting of Nb and Ta. X is at least one element selected from the group consisting of Cl and Br.

Growing community of inventors

Nara, Japan

Tetsuya Asano