Redox Tuning in Crystalline and Electronic Structure of Bimetal-Organic Frameworks Derived Cobalt/Nickel Boride/Sulfide for Boosted Faradaic Capacitance

© 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 31(2019), 51 vom: 13. Dez., Seite e1905744
1. Verfasser: Wang, Qingyong (VerfasserIn)
Weitere Verfasser: Luo, Yumei, Hou, Ruizuo, Zaman, Shahid, Qi, Kai, Liu, Hongfang, Park, Ho Seok, Xia, Bao Yu
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2019
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article electronic tuning energy storage faradaic capacitance metal-organic frameworks redox strategies
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520 |a The development of efficient electrode materials is a cutting-edge approach for high-performance energy storage devices. Herein, an effective chemical redox approach is reported for tuning the crystalline and electronic structures of bimetallic cobalt/nickel-organic frameworks (Co-Ni MOFs) to boost faradaic redox reaction for high energy density. The as-obtained cobalt/nickel boride/sulfide exhibits a high specific capacitance (1281 F g-1 at 1 A g-1 ), remarkable rate performance (802.9 F g-1 at 20 A g-1 ), and outstanding cycling stability (92.1% retention after 10 000 cycles). An energy storage device fabricated with a cobalt/nickel boride/sulfide electrode exhibits a high energy density of 50.0 Wh kg-1 at a power density of 857.7 W kg-1 , and capacity retention of 87.7% (up to 5000 cycles at 12 A g-1 ). Such an effective redox approach realizes the systematic electronic tuning that activates the fast faradaic reactions of the metal species in cobalt/nickel boride/sulfide which may shed substantial light on inspiring MOFs and their derivatives for energy storage devices 
650 4 |a Journal Article 
650 4 |a electronic tuning 
650 4 |a energy storage 
650 4 |a faradaic capacitance 
650 4 |a metal-organic frameworks 
650 4 |a redox strategies 
700 1 |a Luo, Yumei  |e verfasserin  |4 aut 
700 1 |a Hou, Ruizuo  |e verfasserin  |4 aut 
700 1 |a Zaman, Shahid  |e verfasserin  |4 aut 
700 1 |a Qi, Kai  |e verfasserin  |4 aut 
700 1 |a Liu, Hongfang  |e verfasserin  |4 aut 
700 1 |a Park, Ho Seok  |e verfasserin  |4 aut 
700 1 |a Xia, Bao Yu  |e verfasserin  |4 aut 
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773 1 8 |g volume:31  |g year:2019  |g number:51  |g day:13  |g month:12  |g pages:e1905744 
856 4 0 |u http://dx.doi.org/10.1002/adma.201905744  |3 Volltext 
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