An Illumination‐Assisted Flexible Self‐Powered Energy System Based on a Li–O 2  Battery | Zendy

Yang Xiaoyang | Zendy; Feng Xilan | Zendy; Jin Xin | Zendy; Shao Mingzhe | Zendy; Yan Baolin | Zendy; Yan Junmin | Zendy; Zhang Yu | Zendy; Zhang Xinbo | Zendy

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

Author(s) -

Yang Xiaoyang,

Feng Xilan,

Jin Xin,

Shao Mingzhe,

Yan Baolin,

Yan Junmin,

Zhang Yu,

Zhang Xinbo

Publication year - 2019

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.201907805

Subject(s) - battery (electricity) , overpotential , cathode , flexibility (engineering) , bifunctional , materials science , electrode , energy storage , energy harvesting , scalability , solar energy , photovoltaic system , nanotechnology , computer science , energy (signal processing) , electrical engineering , chemistry , engineering , physics , electrochemistry , catalysis , power (physics) , statistics , mathematics , biochemistry , quantum mechanics , database

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 (Li 2 O 2 ), the charging process of the Li‐O 2 battery powered by solar energy and solar cell was demonstrated.

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