Samsung Electronics Co., Ltd.

Matsushita Electric Industrial Co., Ltd.

Panasonic Corporation

Massachusetts Institute of Technology

Semiconductor Energy Laboratory Co., Ltd.

Hitachi Global Storage Technologies Netherlands B.v.

Panasonic Intellectual Property Management Co., Ltd.

Hgst Netherlands, B.v.

Naoki Suzuki

Yuichi Aihara

Nobuyoshi Yashiro

Tomoyuki Tsujimura

Takanobu Yamada

Yan E Wang

Gerbrand Ceder

Lincoln James Miara

William D Richards

Yuichiro Yamada

Satoshi Fujiki

Akihisa Nakahashi

Shunpei Yamazaki

Tomohiro Okumura

Noboru Nomura

Tetsuya Ueda

Jusik Kim

Tatsumi Tsuchiya

Kousaku Yano

SeWon Kim

Tatsuo Sasaoka

Hyeokjo Gwon

Takeshi Shichi

Sungkyun Jung

Hiroshi Hayata

Yuka Terai

Jae Chul Kim

Kohsaku Yano

Hideto Imai

Manabu Gokan

Ryuzo Houchin

Kazuyuki Tomita

Junichi Koezuka

Ichiro Nakayama

Hidehiro Yoshida

Surya Narayan Pattanaik

Hiroyasu Tsuchida

Young-Gyoon Ryu

Tatsushi Yoshida

Yukihiro Nakamura

Hiroyuki Naka

Satoru Yuhaku

Yuhsuke Matsumoto

Takashi Ichiyanagi

Koichi Nagai

Takahiro Yonezawa

Kazuto Nishida

Youichi Nakamura

Isamu Aokura

Shinji Ishitani

Satoshi Horie

Naoki Fujii

Masahiro Muro

Yoshio Kanata

Eiki Oosawa

Ken Kobayashi

Yukihiro Maegawa

Haneo Iwamoto

Takao Nagumo

Diane Sprandel O'Regan

Jaechul Kim

Tatsumi Tuchiya

Shyue Ping Ong

Yifei Mo

Ichiro Uechi

Tomohide Hirono

Ryuzoh Houchin

Takashi Omura

William A Childers

An all-solid-state secondary battery including: a cathode including a cathode active material layer; an anode including an anode current collector, and an anode active material layer on the anode current collector, wherein the anode active material layer includes an anode active material which is alloyable with lithium or forms a compound with lithium; and a solid electrolyte layer between the cathode and the anode, wherein a ratio of an initial charge capacity (b) of the anode active material layer to an initial charge capacity (a) of the cathode active material layer satisfies a condition of Equation 1: 0.01<(b/a)<0.5, wherein a is the initial charge capacity of the cathode active material layer determined from a first open circuit voltage to a maximum charging voltage, and b is the initial charge capacity of the anode active material layer determined from a second open circuit voltage to 0.01 volts vs. Li/Li.

All-solid-state secondary battery and method of charging the same

An all-solid lithium secondary battery, including: a cathode including a cathode active material layer; a solid electrolyte layer; and an anode including an anode active material layer, which forms an alloy or a compound with lithium, wherein the cathode, the solid electrolyte is between the cathode and the anode, wherein the anode active material layer includes about 33 weight percent to about 95 weight percent of an amorphous carbon with respect to the total mass of an anode active material in the anode active material layer, and a ratio of the initial charge capacity of the cathode active material layer to the initial charge capacity of the anode active material layer satisfies 0.01<b/a<0.5, wherein a is the initial charge capacity of the cathode active material layer, and b is the initial charge capacity of the anode active material layer.

All-solid lithium secondary battery, manufacturing method thereof, method of use thereof, and charging method thereof

A solid electrolyte for an all-solid secondary battery, the solid electrolyte including: Li, S, P, an M1 element, and an M2 element, wherein the M1 element is at least one element selected from Na, K, Rb, Sc, Fr, and the M2 element is at least one element selected from F, Cl, Br, I, molar amounts of lithium and the M1 element satisfy 0<M1/(Li+M1)≤0.07, and the solid electrolyte has peaks at positions of 15.42°±0.50° 2θ, 17.87° degrees±0.50° degrees 2θ, 25.48° degrees±0.50° degrees 2θ, 30.01° degrees±0.50° 2θ, and 31.38°±0.50° 2θ when analyzed by X-ray diffraction using CuKα radiation.

Solid electrolyte and lithium battery including the same

An all-solid lithium secondary battery includes: a positive active material layer; a solid electrolyte layer; and a negative active material layer, which is capable of forming an alloy or a compound with lithium, wherein the solid electrolyte layer is between the positive active material layer and the negative active material layer, and wherein the negative active material layer comprises silver (Ag).

All-solid lithium secondary battery and method of charging the same

An all-solid-state secondary battery including: a cathode including a cathode active material layer; an anode including an anode current collector, and an anode active material layer on the anode current collector, wherein the anode active material layer includes an anode active material which is alloyable with lithium or forms a compound with lithium; and a solid electrolyte layer between the cathode and the anode, wherein a ratio of an initial charge capacity (b) of the anode active material layer to an initial charge capacity (a) of the cathode active material layer satisfies a condition of Equation 1: 0.01&#x3c;(b/a)&#x3c;0.5, wherein a is the initial charge capacity of the cathode active material layer determined from a first open circuit voltage to a maximum charging voltage, and b is the initial charge capacity of the anode active material layer determined from a second open circuit voltage to 0.01 volts vs. Li/Li.

All-solid-state secondary battery including anode active material alloyable with lithium and method of charging the same

An all-solid secondary battery, including: a cathode; an anode; and a solid electrolyte layer disposed between the cathode and the anode, wherein the anode comprises an anode current collector; a first anode active material layer in contact with the anode current collector and comprising a first metal; a second anode active material layer disposed between the first anode active material layer and the solid electrolyte layer and comprising a carbon-containing active material; and a contact layer between the second anode active material layer and the solid electrolyte layer, and disposed such that the contact layer prevents contact between the second anode active material layer and the solid electrolyte layer, wherein the contact layer comprises a second metal, and has a thickness less than a thickness of the first anode active material layer.

All-solid secondary battery and method of preparing the same

An all-solid lithium secondary battery, including: a cathode including a cathode active material layer, a solid electrolyte layer; and an anode including an anode active material layer, which forms an alloy or a compound with lithium, wherein the cathode, the solid electrolyte is between the cathode and the anode, wherein the anode active material layer includes about 33 weight percent to about 95 weight percent of an amorphous carbon with respect to the total mass of an anode active material in the anode active material layer, and a ratio of the initial charge capacity of the cathode active material layer to the initial charge capacity of the anode active material layer satisfies 0.01&#x3c;b/a&#x3c;0.5, wherein a is the initial charge capacity of the cathode active material layer, and b is the initial charge capacity of the anode active material layer.

Provided is a lithium-conductive solid-state electrolyte material that comprises a sulfide compound of a composition that does not deviate substantially from a formula of LiSN. The compound's conductivity is greater than about 1&#xd7;10S/cm at about 25&#xb0; C. and is in contact with a negative electroactive material. Also provided is an electrochemical cell that includes an anode layer, a cathode layer, and the electrolyte layer between the anode and cathode layers. In an example, the material's activation energy can be no greater than about 0.52 eV at about 25&#xb0; C.

Battery including a sulfide barrier coating

A solid electrolyte for an all-solid secondary battery, the solid electrolyte including: Li, S, P, an M1 element, and an M2 element, wherein the M1 element is at least one element selected from Na, K, Rb, Sc, Fr, and the M2 element is at least one element selected from F, Cl, Br, I, molar amounts of lithium and the M1 element satisfy 0&#x3c;M1/(Li+M1)&#x2264;0.07, and the solid electrolyte has peaks at positions of 15.42&#xb0;&#xb1;0.50&#xb0; 2&#x3b8;, 17.87&#xb0; degrees&#xb1;0.50&#xb0; degrees 2&#x3b8;, 25.48&#xb0; degrees&#xb1;0.50&#xb0; degrees 2&#x3b8;, 30.01&#xb0; degrees&#xb1;0.50&#xb0; 2&#x3b8;, and 31.38&#xb0;&#xb1;0.50&#xb0; 2&#x3b8; when analyzed by X-ray diffraction using CuK&#x3b1; radiation.

Lithium sulfur nitrogen compound for anode barrier coating or solid electrolyte

A solid electrolyte material represented by Formula 1:L(M1)(M2)(M3)&#x2003;&#x2003;Formula 1wherein 0.25&#x3c;x&#x3c;1, L is at least one element selected from a Group 1 element, M1 is at least one element selected from a Group 2 element, a Group 3 element, a Group 12 element, and a Group 13 element, M2 is at least one element selected from a Group 5 element, a Group 14 element, and a Group 15 element, and M3 is at least one element selected from a Group 16 element, and wherein the solid electrolyte material has an I-4 crystal structure.

A lithium ion secondary battery including a cathode layer, an anode layer including an anode active material and a coating including a metal element, wherein the coating is disposed on the anode active material; and a solid electrolyte layer disposed between the cathode layer and the anode layer, wherein the coating has an electrochemical reaction potential with lithium that is greater than an electrochemical reaction potential of the anode active material with lithium.

All-solid secondary battery, method of controlling all-solid secondary battery and method of evaluating all-solid secondary battery

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Osaka, Japan

Naoki Suzuki