Graphene-like nanocomposites anchored by Ni3S2 slices for Li-ion storage
Yu, P; Wang, L; Wang, JQ; Zhao, DD; Tian, CG; Zhao, L; Yu, HT; Yu, HT (reprint author), Heilongjiang Univ, Minist Educ Peoples Republ China, Key Lab Funct Inorgan Mat Chem, Harbin 150080, Peoples R China.
2016
发表期刊RSC ADVANCES
ISSN2046-2069
卷号6期号:53页码:48083—48088
文章类型期刊文献
摘要Metal sulfide has received considerable interest for electrochemical energy storage and conversion. However, its inherent poor conductivity and structural instability limit its practical application in energy conversion and storage devices. In this work, Ni3S2 nanoslices anchored on reduced graphene oxide (denoted as Ni3S2@C-RGO) were designed and synthesized through a facile hydrothermal step and a subsequent heating treatment process. Glucose and graphene oxide (GO) both possess abundant oxygenated functional groups, and their strong synergetic effects help to restrict the growth of Ni3S2 to form a nanoslice structure. Meanwhile, the redundant glucose can be transformed into a thin carbon layer coating on the surface of the Ni3S2 slices through the subsequent thermal treatment. When evaluated as the anode of a lithium ion battery (LIB), the synthesized Ni3S2@C-RGO nanocomposite showed an initial capacity of 608.4 mA h g(-1), a specific discharge capacity of 560 mA h g(-1) remained after the 100th cycle, and improved rate capability, which is much better than that of the Ni3S2 and Ni3S2-RGO nanostructures. The enhanced electrochemical performance can be attributed to the synergetic effects between Ni3S2 nanoslices and the 2D C-RGO nanostructures, such as increasing conductivity, shortening Li+ ion diffusion path, and accommodating huge volume changes through the cycles.
关键词Lithium Metal Anodes Batteries Performance Capacity Oxide Nanoparticles Microspheres Nanospheres Fabrication Composites
DOI10.1039/c6ra03503e
收录类别SCI
语种英语
WOS记录号WOS:000377253400106
引用统计
被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/25736
专题中科院上海应用物理研究所2011-2018年
通讯作者Wang, L; Yu, HT (reprint author), Heilongjiang Univ, Minist Educ Peoples Republ China, Key Lab Funct Inorgan Mat Chem, Harbin 150080, Peoples R China.
推荐引用方式
GB/T 7714
Yu, P,Wang, L,Wang, JQ,et al. Graphene-like nanocomposites anchored by Ni3S2 slices for Li-ion storage[J]. RSC ADVANCES,2016,6(53):48083—48088.
APA Yu, P.,Wang, L.,Wang, JQ.,Zhao, DD.,Tian, CG.,...&Yu, HT .(2016).Graphene-like nanocomposites anchored by Ni3S2 slices for Li-ion storage.RSC ADVANCES,6(53),48083—48088.
MLA Yu, P,et al."Graphene-like nanocomposites anchored by Ni3S2 slices for Li-ion storage".RSC ADVANCES 6.53(2016):48083—48088.
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