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Coupling aqueous zinc batteries and perovskite solar cells for simultaneous energy harvest, conversion and storage

Engineering and Technology

Coupling aqueous zinc batteries and perovskite solar cells for simultaneous energy harvest, conversion and storage

P. Chen, T. Li, et al.

This exciting research presents a groundbreaking device that combines a carbon-based perovskite solar cell with a rechargeable aqueous zinc metal cell, enabling efficient solar energy harvesting, conversion, and storage. Conducted by Peng Chen, Tian-Tian Li, Yuan-Bo Yang, Guo-Ran Li, and Xue-Ping Gao, this integrated solution showcases impressive performance metrics, including high capacity retention and stability over multiple cycles.

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Playback language: English
Abstract
This paper proposes a device integrating a carbon-based perovskite solar cell and a rechargeable aqueous zinc metal cell for simultaneous solar energy harvesting, conversion, and storage. The zinc cell utilizes a heterostructural Co₂P-CoP-NiCoO₂ cathode and a zinc metal anode, exhibiting ~78% capacity retention after 25,000 cycles. The integrated device achieves a specific power of 54 kW/kg and specific energy of 366 Wh/kg, with an efficiency of approximately 6% stable over 200 photocharge-discharge cycles.
Publisher
Nature Communications
Published On
Jan 10, 2022
Authors
Peng Chen, Tian-Tian Li, Yuan-Bo Yang, Guo-Ran Li, Xue-Ping Gao
Tags
solar energy
zinc metal cell
carbon-based perovskite
energy storage
device integration
capacity retention
photocharge-discharge

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