Efficient Solar Energy Harvesting and Storage through a Robust Photocatalyst Driving Reversible Redox Reactions

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

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 30(2018), 31 vom: 06. Aug., Seite e1802294
1. Verfasser: Zhou, Yangen (VerfasserIn)
Weitere Verfasser: Zhang, Shun, Ding, Yu, Zhang, Leyuan, Zhang, Changkun, Zhang, Xiaohong, Zhao, Yu, Yu, Guihua
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2018
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article bismuth vanadate photoanodes redox flow batteries, solar batteries solar battery solar energy conversion
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520 |a Simultaneous solar energy conversion and storage is receiving increasing interest for better utilization of the abundant yet intermittently available sunlight. Photoelectrodes driving nonspontaneous reversible redox reactions in solar-powered redox cells (SPRCs), which can deliver energy via the corresponding reverse reactions, present a cost-effective and promising approach for direct solar energy harvesting and storage. However, the lack of photoelectrodes having both high conversion efficiency and high durability becomes a bottleneck that hampers practical applications of SPRCs. Here, it is shown that a WO3 -decorated BiVO4 photoanode, without the need of extra electrocatalysts, can enable a single-photocatalyst-driven SPRC with a solar-to-output energy conversion efficiency as high as 1.25%. This SPRC presents stable performance over 20 solar energy storage/delivery cycles. The high efficiency and stability are attributed to the rapid redox reactions, the well-matched energy level, and the efficient light harvesting and charge separation of the prepared BiVO4 . This demonstrated device system represents a potential alternative toward the development of low-cost, durable, and easy-to-implement solar energy technologies 
650 4 |a Journal Article 
650 4 |a bismuth vanadate 
650 4 |a photoanodes 
650 4 |a redox flow batteries, solar batteries 
650 4 |a solar battery 
650 4 |a solar energy conversion 
700 1 |a Zhang, Shun  |e verfasserin  |4 aut 
700 1 |a Ding, Yu  |e verfasserin  |4 aut 
700 1 |a Zhang, Leyuan  |e verfasserin  |4 aut 
700 1 |a Zhang, Changkun  |e verfasserin  |4 aut 
700 1 |a Zhang, Xiaohong  |e verfasserin  |4 aut 
700 1 |a Zhao, Yu  |e verfasserin  |4 aut 
700 1 |a Yu, Guihua  |e verfasserin  |4 aut 
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