Ultrafast hydrogen-ion storage in MoO3 nanoribbons

被引：24

作者：

Deng, Yuanwen ^{[1
]}

Cao, Zhou ^{[1
]}

Wang, Liushun ^{[1
]}

Zhou, Yulan ^{[1
]}

Fu, Shaohua ^{[1
]}

Peng, Yuehua ^{[1
]}

Yin, Yanling ^{[1
]}

Li, Dong ^{[1
]}

Wang, Weike ^{[1
]}

Zhou, Weichang ^{[1
]}

Tang, Dongsheng ^{[1
]}

机构：

[1] Hunan Normal Univ, Synerget Innovat Ctr Quantum Effects & Applicat, Key Lab Low Dimens Quantum Struct & Quantum Contr, Sch Phys & Elect,Minist Educ, Changsha 410081, Peoples R China

来源：

SOLID STATE IONICS | 2020年 / 353卷

基金：

中国国家自然科学基金;

关键词：

HXMOO3; NANOBELTS; MOLYBDENUM TRIOXIDE; NANOWIRE ARRAYS; TIO2; ANATASE; HIGH-ENERGY; ANODE; PERFORMANCE; BRONZE; NANOCOMPOSITE; BATTERIES;

D O I：

10.1016/j.ssi.2020.115380

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Molybdenum trioxide (MoO3) has been extensively investigated for ultrafast ion storage due to its exceptional physicochemical properties such as high theoretical capacity, high mechanical strength and high chemical stability. In this study, we demonstrate that orthorhombic MoO3 nanoribbons, fabricated by simple hydrothermal method, exhibit ultrafast hydrogen-ion storage properties with a high specific capacity of 216 mAh g(-1) at an ultrahigh rate of 500 C, which might be attributed to shorter diffusion lengths for H+ ions and higher speed transfer channels for electrons caused by the quasi-one-dimensional structure of MoO3 nanoribbon. Besides, pre-hydrogenated MoO3 nanoribbons show greatly improved electrochemical stability, and the capacity retention rate keeps above 96% after 200 charge-discharge cycles at an ultra-high rate of 500 C. This study will provide a feasible route to further improve the electrochemical hydrogen ion storage performance for the development of high-power hydrogen ion battery.

引用

页数：7

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