Zn-Ion Hybrid Micro-Supercapacitors with Ultrahigh Areal Energy Density and Long-Term Durability

© 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 31(2019), 3 vom: 11. Jan., Seite e1806005
1. Verfasser: Zhang, Panpan (VerfasserIn)
Weitere Verfasser: Li, Yang, Wang, Gang, Wang, Faxing, Yang, Sheng, Zhu, Feng, Zhuang, Xiaodong, Schmidt, Oliver G, Feng, Xinliang
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2019
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article Zn-ion durability energy density hybrid micro-supercapacitors
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520 |a On-chip micro-supercapacitors (MSCs), as promising power candidates for microdevices, typically exhibit high power density, large charge/discharge rates, and long cycling lifetimes. However, as for most reported MSCs, the unsatisfactory areal energy density (<10 µWh cm-2 ) still hinders their practical applications. Herein, a new-type Zn-ion hybrid MSC with ultrahigh areal energy density and long-term durability is demonstrated. Benefiting from fast ion adsorption/desorption on the capacitor-type activated-carbon cathode and reversible Zn stripping/plating on the battery-type electrodeposited Zn-nanosheet anode, the fabricated Zn-ion hybrid MSCs exhibit remarkable areal capacitance of 1297 mF cm-2 at 0.16 mA cm-2 (259.4 F g-1 at a current density of 0.05 A g-1 ), landmark areal energy density (115.4 µWh cm-2 at 0.16 mW cm-2 ), and a superb cycling stability without noticeable decay after 10 000 cycles. This work will inspire the fabrication and development of new high-performance microenergy devices based on novel device design 
650 4 |a Journal Article 
650 4 |a Zn-ion 
650 4 |a durability 
650 4 |a energy density 
650 4 |a hybrid micro-supercapacitors 
700 1 |a Li, Yang  |e verfasserin  |4 aut 
700 1 |a Wang, Gang  |e verfasserin  |4 aut 
700 1 |a Wang, Faxing  |e verfasserin  |4 aut 
700 1 |a Yang, Sheng  |e verfasserin  |4 aut 
700 1 |a Zhu, Feng  |e verfasserin  |4 aut 
700 1 |a Zhuang, Xiaodong  |e verfasserin  |4 aut 
700 1 |a Schmidt, Oliver G  |e verfasserin  |4 aut 
700 1 |a Feng, Xinliang  |e verfasserin  |4 aut 
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773 1 8 |g volume:31  |g year:2019  |g number:3  |g day:11  |g month:01  |g pages:e1806005 
856 4 0 |u http://dx.doi.org/10.1002/adma.201806005  |3 Volltext 
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