CAS OpenIR
Maximizing utilization of carbon fibers by bimetallic-catalytic etching and electrochemical modification for difunctional aqueous supercapacitors
Zhang, Jie1,2; Zhang, Hao1,2; Li, Wenli1,2; Xu, Guangwen1; Cui, Yanbin1,2
2021-07-22
Source PublicationSUSTAINABLE ENERGY & FUELS
ISSN2398-4902
Pages10
AbstractCarbon fiber cloth with high utilization is urgently needed for portable and wearable electronics. We report herein an interconnected 3D primitive outer layer by utilizing two disparate catalytic etching behaviors based on a bimetallic layered double hydroxide precursor. After subsequent electro-modification, the resulting carbon cloth textile was directly applied as a free-standing electrode. The comprehensive strategy not only furnishes carbon fiber textiles with a loosely graphitic outer layer and hierarchical porosity, but also enables the efficient incorporation of oxygen functionalities onto the surface while retaining high mechanical strength and conductivity. The optimal electrode exhibits superhydrophilicity and delivers an impressive areal capacitance of 1089 mF cm(-2) and a widened potential of -1.3-0 V. Upon further coupling with onion-like MnO2/carbon cloth and Zn foil, an asymmetric device with enhanced energy density (7.17 mW h cm(-3)) and a novel hybrid Zn-ion supercapacitor with a long cycling life are assembled, respectively. This synthetic strategy provides new insights into the etching of carbonaceous materials and may open up enormous possibilities for the pretreatment of carbon substrates.
DOI10.1039/d1se00773d
Language英语
WOS KeywordLAYERED DOUBLE HYDROXIDES ; HIGH-PERFORMANCE ; ENERGY-STORAGE ; TIO2 ANATASE ; NANOPARTICLES ; ANODE ; CAPABILITY ; NANOWIRES ; CHEMISTRY ; WATER
Funding ProjectFund of State Key Laboratory of Multiphase Complex Systems Institute of Process Engineering, Chinese Academy of Sciences[MPCS-2019-A-03]
WOS Research AreaChemistry ; Energy & Fuels ; Materials Science
WOS SubjectChemistry, Physical ; Energy & Fuels ; Materials Science, Multidisciplinary
Funding OrganizationFund of State Key Laboratory of Multiphase Complex Systems Institute of Process Engineering, Chinese Academy of Sciences
WOS IDWOS:000683050800001
PublisherROYAL SOC CHEMISTRY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/49585
Collection中国科学院过程工程研究所
Corresponding AuthorCui, Yanbin
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Jie,Zhang, Hao,Li, Wenli,et al. Maximizing utilization of carbon fibers by bimetallic-catalytic etching and electrochemical modification for difunctional aqueous supercapacitors[J]. SUSTAINABLE ENERGY & FUELS,2021:10.
APA Zhang, Jie,Zhang, Hao,Li, Wenli,Xu, Guangwen,&Cui, Yanbin.(2021).Maximizing utilization of carbon fibers by bimetallic-catalytic etching and electrochemical modification for difunctional aqueous supercapacitors.SUSTAINABLE ENERGY & FUELS,10.
MLA Zhang, Jie,et al."Maximizing utilization of carbon fibers by bimetallic-catalytic etching and electrochemical modification for difunctional aqueous supercapacitors".SUSTAINABLE ENERGY & FUELS (2021):10.
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