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Bimodal highly ordered mesostructure carbon with high activity for Br-2/Br- redox couple in bromine based batteries
Wang, Chenhui1,3; Li, Xianfeng1,2; Xi, Xiaoli1,3; Zhou, Wei1,3; Lai, Qinzhi1; Zhang, Huamin1,2
KeywordEnergy Storage Bimodal Mesostructure Carbon Highly Ordered High-activity And Super-stability Bromine Based Battery
Source PublicationNANO ENERGY
2016-03-01
ISSN2211-2855
DOI10.1016/j.nanoen.2016.01.015
Volume21Pages:217-227
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 KeywordHIGH-POWER DENSITY ; FLOW BATTERIES ; ENERGY-STORAGE ; MESOPOROUS CARBON ; PERFORMANCE ; ELECTRODE ; SILICA ; NANOTUBES ; PROGRESS ; RESIN
AbstractBimodal highly ordered mesostructure carbons (BOMCs) with excellent activity to Br-2/Br- were designed and fabricated by an evaporation induced triconstituent co-assembly method. The morphologies of BOMCs were tuned via introducing dual templates: triblock copolymer (F127) and SiO2 nanoparticles, where around 5 nm pores can be induced by hydrogen bond between resole and F127 and the removal of silica could create around 2 nm pores on the 5 nm pore walls. The highly ordered mesostructure can effectively shorten mass transfer distance and reduce mass transfer resistance. Meanwhile the around 2 nm pores on 5 nm pore walls are beneficial to Br-2 adsorption and provide more active sites to Br-2/Br- reaction. As a consequence, the materials demonstrate extremely outstanding performance to Br-2/Br- couple. The zinc bromine flow batteries (ZBFBs) using the prepared carbon exhibit a voltage efficiency of 82.9% and an energy efficiency of 80.1% at the current density of 80 mA cm(-2), which is by far the best performance ever reported, confirming the excellent activity of designed materials. The results indicate that the prepared BOMC with bimodal highly ordered mesostructure is a very promising candidate for bromine based batteries systems. (C) 2016 Elsevier Ltd. All rights reserved.
Language英语
WOS IDWOS:000372045400021
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/171111
Collection中国科学院大连化学物理研究所
Corresponding AuthorLai, Qinzhi; Zhang, Huamin
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, Div Energy Storage, Zhongshan Rd 457, Dalian 116023, Peoples R China
2.Collaborat Innovat Ctr Chem Energy Mat iChEM, Dalian 116023, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Wang, Chenhui,Li, Xianfeng,Xi, Xiaoli,et al. Bimodal highly ordered mesostructure carbon with high activity for Br-2/Br- redox couple in bromine based batteries[J]. NANO ENERGY,2016,21:217-227.
APA Wang, Chenhui,Li, Xianfeng,Xi, Xiaoli,Zhou, Wei,Lai, Qinzhi,&Zhang, Huamin.(2016).Bimodal highly ordered mesostructure carbon with high activity for Br-2/Br- redox couple in bromine based batteries.NANO ENERGY,21,217-227.
MLA Wang, Chenhui,et al."Bimodal highly ordered mesostructure carbon with high activity for Br-2/Br- redox couple in bromine based batteries".NANO ENERGY 21(2016):217-227.
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