3D-Structured Polyoxometalate Microcrystals with Enhanced Rate Capability and Cycle Stability for Lithium-Ion Storage
Sun, K (Sun, Kang)[ 1 ]; Li, HQ (Li, Hongqin)[ 2 ]; Ye, HJ (Ye, Haijun)[ 2 ]; Jiang, FQ (Jiang, Fangqing)[ 2 ]; Zhu, H (Zhu, Hui)[ 2 ]; Yin, J (Yin, Jiao)[ 3 ]
2018
发表期刊ACS APPLIED MATERIALS & INTERFACES
ISSN1944-8244
卷号10期号:22页码:18657-18664
摘要

The unsatisfactory rate capability and poor cycle stability are two major obstacles for polyoxometalates (POMs) in lithium-ion storage. On the other hand, how to endow POMs with 3D macrostructures for further practice is a challenge. To this end, a facile hydrothermal strategy was practiced to fabricate Co8W12O42(OH)(4)(H2O)(8) microcrystals or CoWO4 aggregates onto the foamed substrate (denoted as CoW-POM and CoW-Salt, respectively). Integrating the extraordinary redox stability and lattice deformability of POMs with the excellent volume accommodation, the as-prepared CoW-POM presents an extraordinary better electro-chemical performance (specific capacity, rate capability, and cycle life) than that of CoW-Salt. In detail, the CoW-POM can deliver a reversible capacity of 737.8 mA h g(-1) at the current density of 0.1 A g(-1) and provide a capacity retention of 90.1% even after 100 cycles. This work not only promotes the application of POMs in energy storage and conversion but also guides an effect methodology to endow POMs with 3D structures.

关键词Polyoxometalate Microcrystals Metal Oxide Li-ion Battery 3d Structure
DOI10.1021/acsami.8603071
收录类别SCI
WOS记录号WOS:000434895500025
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/5607
专题中国科学院特殊环境功能材料与器件重点试验室
作者单位1.CAF, Natl Engn Lab Biomass Chem Utilizat, Inst Chem Ind Forest Prod, Nanjing 210042, Jiangsu, Peoples R China
2.Nanchang Univ, Coll Chem, 999 Xuefu Ave, Nanchang 330031, Jiangxi, Peoples R China
3.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Key Lab Funct Mat & Devices Special Environm, 40-1 South Beijing Rd, Urumqi 830011, Xinjiang, Peoples R China
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GB/T 7714
Sun, K ,Li, HQ ,Ye, HJ ,et al. 3D-Structured Polyoxometalate Microcrystals with Enhanced Rate Capability and Cycle Stability for Lithium-Ion Storage[J]. ACS APPLIED MATERIALS & INTERFACES,2018,10(22):18657-18664.
APA Sun, K ,Li, HQ ,Ye, HJ ,Jiang, FQ ,Zhu, H ,&Yin, J .(2018).3D-Structured Polyoxometalate Microcrystals with Enhanced Rate Capability and Cycle Stability for Lithium-Ion Storage.ACS APPLIED MATERIALS & INTERFACES,10(22),18657-18664.
MLA Sun, K ,et al."3D-Structured Polyoxometalate Microcrystals with Enhanced Rate Capability and Cycle Stability for Lithium-Ion Storage".ACS APPLIED MATERIALS & INTERFACES 10.22(2018):18657-18664.
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