Boron group element doping of Li1.5Al0.5Ge1.5(PO4)3based on microwave sintering

被引：15

作者：

Yan, Binggong ^{[1
]}

Kang, Lei ^{[1
]}

Kotobuki, Masashi ^{[2
]}

He, Linchun ^{[2
]}

Liu, Bin ^{[1
]}

Jiang, Kaiyong ^{[1
]}

机构：

[1] Huaqiao Univ, Fujian Key Lab Special Energy Mfg, Xiamen Key Lab Digital Vis Measurement, Xiamen 361021, Peoples R China

[2] Natl Univ Singapore, Dept Mech Engn, Singapore 117576, Singapore

来源：

JOURNAL OF SOLID STATE ELECTROCHEMISTRY | 2021年 / 25卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Lithium-ion batteries; Solid electrolyte; NASICON; Boron group; IONIC-CONDUCTIVITY; SYSTEM; CONDUCTORS; BATTERIES; ALUMINUM; GE; TI;

D O I：

10.1007/s10008-020-04829-2

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

We report effectiveness of dopants selected from group 13, such as B, Ga, and In, on the conductivity of Li1.5Al0.5Ge1.5(PO4)(3)(LAGP) that is recognized as one of the promising solid electrolytes for next-generation solid-state lithium batteries. To minimize loss of versatile element, crystallization of LAGP using a microwave irradiation is introduced. Experimental results demonstrate that B enhances grain boundary conductivity, while Ga improves the bulk ionic conductivity. Co-doping of B and Ga leads to enhanced total ionic conductivity and remarkably reduced activation energy.

引用

页码：527 / 534

页数：8

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