Abstract
The flexible Li-O2 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-O2 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-O2 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-O2 battery powered by solar energy and solar cell was demonstrated.
| Original language | English |
|---|---|
| Pages (from-to) | 16411-16415 |
| Number of pages | 5 |
| Journal | Angewandte Chemie - International Edition |
| Volume | 58 |
| Issue number | 46 |
| DOIs | |
| State | Published - 11 Nov 2019 |
Keywords
- Li-O batteries
- bifunctional electrodes
- flexible batteries
- solar energy conversion
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