A new cathode material for super-valent battery based on aluminium ion intercalation and deintercalation

被引：287

作者：

Wang, Wei ^{[1
]}

Jiang, Bo ^{[1
]}

Xiong, Weiyi ^{[1
]}

Sun, He ^{[1
]}

Lin, Zheshuai ^{[2
]}

Hu, Liwen ^{[1
]}

Tu, Jiguo ^{[1
]}

Hou, Jungang ^{[1
]}

Zhu, Hongmin ^{[1
]}

Jiao, Shuqiang ^{[1
]}

机构：

[1] Univ Sci & Technol Beijing, State Key Lab Adv Met, Beijing 100083, Peoples R China

[2] Chinese Acad Sci, Tech Inst Phys & Chem, Beijing 100190, Peoples R China

来源：

SCIENTIFIC REPORTS | 2013年 / 3卷

基金：

中国国家自然科学基金;

关键词：

AIR BATTERIES; HYBRID; SODIUM; SOLAR; ELECTRODES; ANODE;

D O I：

10.1038/srep03383

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Due to their small footprint and flexible siting, rechargeable batteries are attractive for energy storage systems. A super-valent battery based on aluminium ion intercalation and deintercalation is proposed in this work with VO2 as cathode and high-purity Al foil as anode. First-principles calculations are also employed to theoretically investigate the crystal structure change and the insertion-extraction mechanism of Al ions in the super-valent battery. Long cycle life, low cost and good capacity are achieved in this battery system. At the current density of 50 mAg(-1), the discharge capacity remains 116 mAhg(-1) after 100 cycles. Comparing to monovalent Li-ion battery, the super-valent battery has the potential to deliver more charges and gain higher specific capacity.

引用

页数：6

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