Fluorine-Doped Antiperovskite Electrolyte for All-Solid-State Lithium-Ion Batteries

被引：216

作者：

Li, Yutao ^{[1
,2
]}

Zhou, Weidong ^{[1
,2
]}

Xin, Sen ^{[1
,2
,5
]}

Li, Shuai ^{[3
]}

Zhu, Jinlong ^{[3
]}

Lu, Xujie ^{[4
]}

Cui, Zhiming ^{[1
,2
]}

Jia, Quanxi ^{[4
]}

Zhou, Jianshi ^{[1
,2
]}

Zhao, Yusheng ^{[3
]}

Goodenough, John B. ^{[1
,2
]}

机构：

[1] Univ Texas Austin, Mat Res Program, Austin, TX 78712 USA

[2] Univ Texas Austin, Texas Mat Inst, Austin, TX 78712 USA

[3] Univ Nevada, High Pressure Sci & Engn Ctr, Las Vegas, NV 89154 USA

[4] Las Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Los Alamos, NM 87545 USA

[5] Hefei Univ Technol, Sch Chem & Chem Engn, Hefei 230009, Anhui, Peoples R China

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2016年 / 55卷 / 34期

关键词：

all-solid-state battery; antiperovskite; lithium-ion battery; solid electrolyte; RICH ANTI-PEROVSKITES; SUPERIONIC CONDUCTORS; LI BATTERIES; CONDUCTIVITY; LI7LA3ZR2O12; PERSPECTIVE; CHALLENGES; STABILITY; BR;

D O I：

10.1002/anie.201604554

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A fluorine-doped antiperovskite Li-ion conductor Li-2(OH)X (X=Cl, Br) is shown to be a promising candidate for a solid electrolyte in an all-solid-state Li-ion rechargeable battery. Substitution of F- for OH- transforms orthorhombic Li2OHCl to a room-temperature cubic phase, which shows electrochemical stability to 9 V versus Li+/Li and two orders of magnitude higher Li-ion conductivity than that of orthorhombic Li2OHCl. An all-solid-state Li/LiFePO4 with F-doped Li2OHCl as the solid electrolyte showed good cyclability and a high coulombic efficiency over 40 charge/discharge cycles.

引用

页码：9965 / 9968

页数：4

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