Rechargeable aluminum-selenium batteries with high capacity

被引：100

作者：

Huang, Xiaodan ^{[1
]}

Liu, Yang ^{[1
]}

Liu, Chao ^{[1
]}

Zhang, Jun ^{[1
]}

Noonan, Owen ^{[1
]}

Yu, Chengzhong ^{[1
]}

机构：

[1] Univ Queensland, Australian Inst Bioengn & Nanotechnol, Brisbane, Qld 4072, Australia

来源：

CHEMICAL SCIENCE | 2018年 / 9卷 / 23期

基金：

澳大利亚研究理事会;

关键词：

ION BATTERY; ELECTROCHEMICAL BEHAVIOR; CATHODE MATERIAL; CARBON; SULFUR; LITHIUM; SODIUM; NANOSHEET; SPECTRA; ENERGY;

D O I：

10.1039/c8sc01054d

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Rechargeable aluminum (Al) batteries are emerging as a promising post lithium-ion battery technology. Herein, we demonstrate a conceptually new design of rechargeable aluminum-selenium (Al-Se) batteries by understanding the selenium chemistry and controlling the electrode reaction. The Al-Se battery consists of a composite cathode including selenium nanowires and mesoporous carbon (CMK-3) nanorods, an Al metal anode and chloroaluminate ionic liquid electrolyte. The working mechanism of the Al-Se battery is the reversible redox reaction of the Se2Cl2/Se pair confined in the mesopores of CMK-3 nanorods. Al-Se batteries deliver a high reversible capacity of 178 mA h g 1 (by Se mass), high discharge voltages (mainly above 1.5 V), and good cycling/rate performances.

引用

页码：5178 / 5182

页数：5

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