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An Illumination-Assisted Flexible Self-Powered Energy System Based on a Li–O2 Battery

  • Xiao yang Yang
  • , Xi lan Feng
  • , Xin Jin
  • , Ming zhe Shao
  • , Bao lin Yan
  • , Jun min Yan*
  • , Yu Zhang
  • , Xin bo Zhang
  • *Corresponding author for this work
  • Jilin University
  • CAS - Changchun Institute of Applied Chemistry
  • Beihang University

Research output: Contribution to journalArticlepeer-review

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 languageEnglish
Pages (from-to)16411-16415
Number of pages5
JournalAngewandte Chemie - International Edition
Volume58
Issue number46
DOIs
StatePublished - 11 Nov 2019

Keywords

  • Li-O batteries
  • bifunctional electrodes
  • flexible batteries
  • solar energy conversion

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