期刊
ADVANCED MATERIALS
卷 33, 期 45, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.202106232
关键词
2D heterostructure; amorphous molybdenum sulfide; beyond-lithium-ion storage; sodium-ion batteries; solid state sodium batteries
类别
资金
- National Natural Science Foundation of China [51925207, U1910210, 51872277, 22005292, 52072323, 52122211]
- National Synchrotron Radiation Laboratory [KY2060000173]
- Yulin University [2021002]
- Dalian National Laboratory for Clean Energy [2021002]
- Fundamental Research Funds for the Central Universities [WK2060140026, WK2060000009]
- National Postdoctoral Program for Innovative Talents [BX20200318]
- China Postdoctoral Science Foundation [2020M682031, 2019TQ0296, 2020M682012]
The 2D heterostructure of amorphous molybdenum sulfide on reduced graphene surface shows low strain and fast reaction kinetics for beyond-lithium-ions storage, leading to excellent cycling performance and electrochemical performance.
Beyond-lithium-ion storage devices are promising alternatives to lithium-ion storage devices for low-cost and large-scale applications. Nowadays, the most of high-capacity electrodes are crystal materials. However, these crystal materials with intrinsic anisotropy feature generally suffer from lattice strain and structure pulverization during the electrochemical process. Herein, a 2D heterostructure of amorphous molybdenum sulfide (MoS3) on reduced graphene surface (denoted as MoS3-on-rGO), which exhibits low strain and fast reaction kinetics for beyond-lithium-ions (Na+, K+, Zn2+) storage is demonstrated. Benefiting from the low volume expansion and small sodiation strain of the MoS3-on-rGO, it displays ultralong cycling performance of 40 000 cycles at 10 A g(-1) for sodium-ion batteries. Furthermore, the as-constructed 2D heterostructure also delivers superior electrochemical performance when used in Na+ full batteries, solid-state sodium batteries, K+ batteries, Zn2+ batteries and hybrid supercapacitors, demonstrating its excellent application prospect.
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