CAS OpenIR
Facile Synthesis of Crumpled Nitrogen-Doped MXene Nanosheets as a New Sulfur Host for Lithium-Sulfur Batteries
Bao, WZ; Liu, L; Wang, CY; Choi, S; Wang, D; Wang, GX; Bao, Weizhai; Liu, Lin; Wang, Chengyin; Choi, Sinho; Wang, Dan; Wang, Guoxiu
2018
Source PublicationADVANCED ENERGY MATERIALS
ISSN1614-6832
Volume8Issue:13
Abstract

Crumpled nitrogen-doped MXene nanosheets with strong physical and chemical coadsorption of polysulfides are synthesized by a novel one-step approach and then utilized as a new sulfur host for lithium-sulfur batteries. The nitrogen-doping strategy enables introduction of heteroatoms into MXene nanosheets and simultaneously induces a well-defined porous structure, high surface area, and large pore volume. The as-prepared nitrogen-doped MXene nanosheets have a strong capability of physical and chemical dual-adsorption for polysulfides and achieve a high areal sulfur loading of 5.1 mg cm(-2). Lithium-sulfur batteries, based on crumpled nitrogen-doped MXene nanosheets/sulfur composites, demonstrate outstanding electrochemical performances, including a high reversible capacity (1144 mA h g(-1) at 0.2C rate) and an extended cycling stability (610 mA h g(-1) at 2C after 1000 cycles).

KeywordLithium-sulfur Batteries High Volumetric Capacitance Mxene Nanosheets Long Cycle Life Nitrogen-doping Energy-storage Porous Structure Polysulfide Reservoir Carbon Titanium Composite Cathodes
SubtypeArticle
DOI10.1002/aenm.201702485
WOS IDWOS:000431613800005
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/26685
Collection中国科学院过程工程研究所
Recommended Citation
GB/T 7714
Bao, WZ,Liu, L,Wang, CY,et al. Facile Synthesis of Crumpled Nitrogen-Doped MXene Nanosheets as a New Sulfur Host for Lithium-Sulfur Batteries[J]. ADVANCED ENERGY MATERIALS,2018,8(13).
APA Bao, WZ.,Liu, L.,Wang, CY.,Choi, S.,Wang, D.,...&Wang, Guoxiu.(2018).Facile Synthesis of Crumpled Nitrogen-Doped MXene Nanosheets as a New Sulfur Host for Lithium-Sulfur Batteries.ADVANCED ENERGY MATERIALS,8(13).
MLA Bao, WZ,et al."Facile Synthesis of Crumpled Nitrogen-Doped MXene Nanosheets as a New Sulfur Host for Lithium-Sulfur Batteries".ADVANCED ENERGY MATERIALS 8.13(2018).
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