Energy-Saving Synthesis of MOF-Derived Hierarchical and Hollow Co(VO3)2‑Co(OH)2 Composite Leaf Arrays for Supercapacitor Electrode Materials

A one-step and energy-saving method was proposed to synthesize hierarchical and hollow Co­(VO3)2-Co­(OH)2 composite leaf arrays on carbon cloth, which expressed high capacitance (522 mF cm–2 or 803 F g–1 at the current density of 0.5 mA cm–2), good rate capability (79.5% capacitance retention after...

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Published inACS applied materials & interfaces Vol. 10; no. 22; pp. 18440 - 18444
Main Authors Zhang, Yingxi, Chen, Hao, Guan, Cao, Wu, Yatao, Yang, Chunhai, Shen, Zhehong, Zou, Qichao
Format Journal Article
LanguageEnglish
Published United States American Chemical Society 06.06.2018
Subjects
hollow arrays
supercapacitors
metal−organic frameworks
electrode materials
exchange reactions
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Summary:A one-step and energy-saving method was proposed to synthesize hierarchical and hollow Co­(VO3)2-Co­(OH)2 composite leaf arrays on carbon cloth, which expressed high capacitance (522 mF cm–2 or 803 F g–1 at the current density of 0.5 mA cm–2), good rate capability (79.5% capacitance retention after a 30-fold increase of the current density) and excellent cycling stability (90% capacitance retention after 15 000 charge–discharge cycles) when tested as a supercapacitor electrode.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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content type line 23
ISSN:1944-8244
1944-8252
DOI:10.1021/acsami.8b05501