An Illumination-Assisted Flexible Self-Powered Energy System Based on a Li-O 2 Battery

The flexible Li-O battery is suitable to satisfy the requirements of a self-powered energy system, thanks to environmental friendliness, low cost, and high theoretical energy density. Herein, a flexible porous bifunctional electrode with both electrocatalytic and photocatalytic activity was synthesi...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2019-11, Vol.58 (46), p.16411-16415
Main Authors: Yang, Xiao-Yang, Feng, Xi-Lan, Jin, Xin, Shao, Ming-Zhe, Yan, Bao-Lin, Yan, Jun-Min, Zhang, Yu, Zhang, Xin-Bo
Format: Article
Language:English
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Summary:The flexible Li-O battery is suitable to satisfy the requirements of a self-powered energy system, thanks to environmental friendliness, low cost, and high theoretical energy density. Herein, a flexible porous bifunctional electrode with both electrocatalytic and photocatalytic activity was synthesized and introduced as a cathode to assemble a high-performance Li-O battery that achieved an overpotential of 0.19 V by charging with the aid of solar energy. As a proof-of-concept application, a flexible Li-O battery was constructed and integrated with a solar cell via a scalable encapsulate method to fabricate a flexible self-powered energy system with excellent flexibility and mechanical stability. Moreover, by exploring the evolution of the electrode morphology and discharge products (Li O ), the charging process of the Li-O battery powered by solar energy and solar cell was demonstrated.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201907805