Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 58, Issue 46, Pages 16411-16415Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201907805
Keywords
bifunctional electrodes; flexible batteries; Li-O-2 batteries; solar energy conversion
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Funding
- National Natural Science Foundation of China [21725103, 21771013]
- National Key R&D Program of China [2016YFB0100100]
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The flexible Li-O-2 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-2 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-2 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 (Li2O2), the charging process of the Li-O-2 battery powered by solar energy and solar cell was demonstrated.
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