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From zeolite-type metal organic framework to porous nano-sheet carbon: High activity positive electrode material for bromine-based flow batteries
Wang, Chenhui1,2; Lai, Qinzhi1; Feng, Kai1; Xu, Pengcheng1; Li, Xianfeng1,3; Zhang, Huamin1,3
KeywordEnergy Storage Bromine-based Flow Batteries Zeolite Imidazole Frameworks Nano-sheet Carbon
Source PublicationNANO ENERGY
2018-02-01
ISSN2211-2855
DOI10.1016/j.nanoen.2017.12.007
Volume44Pages:240-247
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS KeywordENERGY-STORAGE ; IMIDAZOLATE FRAMEWORK-8 ; PERFORMANCE ; ELECTROCATALYST ; NANOMATERIALS ; SPECTROSCOPY ; SYSTEM
AbstractA simple and versatile way to synthesize porous nano-sheet carbon (PNSC) with high activity for Br-2/Br- based on nano-sheet zeolite-type metal organic framework (NSZIF) was presented. The NSZIF was prepared by directly stirring an aqueous solution at room temperature, which avoided the usage of organic solvent and huge energy consumption. The PNSC was prepared by pyrolyzing NSZIF, which inherited a nano-sheet morphology and created a well-defined electron conductive framework. In the design, the nano-sheet morphology shortens the electron transport path and increases electronic conductivity. The in-plane nanopores and highly porous loose structure created by CO2 activation provide 3D transport channels and substantially enhance the ion diffusion rate within the framework. And the high specific surface area (similar to 2085 m(2) g(-1)) provides more reactive sites and ensures excellent activity. As a result, the zinc bromine flow battery with PNSC exhibited a voltage efficiency of 83% and an energy efficiency of 82% at a current density of 80 mA cm(-2). This paper provided a simple and efficient approach to fabricate the high activity positive electrode material for bromine-based flow batteries.
Language英语
WOS IDWOS:000419833900028
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/168477
Collection中国科学院大连化学物理研究所
Corresponding AuthorLi, Xianfeng; Zhang, Huamin
Affiliation1.Chinese Acad Sci, Div Energy Storage, Dalian Inst Chem Phys, Zhongshan Rd 457, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
3.Collaborat Innovat Ctr Chem Energy Mat iChEM, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Wang, Chenhui,Lai, Qinzhi,Feng, Kai,et al. From zeolite-type metal organic framework to porous nano-sheet carbon: High activity positive electrode material for bromine-based flow batteries[J]. NANO ENERGY,2018,44:240-247.
APA Wang, Chenhui,Lai, Qinzhi,Feng, Kai,Xu, Pengcheng,Li, Xianfeng,&Zhang, Huamin.(2018).From zeolite-type metal organic framework to porous nano-sheet carbon: High activity positive electrode material for bromine-based flow batteries.NANO ENERGY,44,240-247.
MLA Wang, Chenhui,et al."From zeolite-type metal organic framework to porous nano-sheet carbon: High activity positive electrode material for bromine-based flow batteries".NANO ENERGY 44(2018):240-247.
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