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Defect Engineering on Electrode Materials for Rechargeable Batteries
Advanced Materials ( IF 25.809 ) Pub Date : 2020-01-13 , DOI: 10.1002/adma.201905923
Yiqiong Zhang; Li Tao; Chao Xie; Dongdong Wang; Yuqin Zou; Ru Chen; Yanyong Wang; Chuankun Jia; Shuangyin Wang

The reasonable design of electrode materials for rechargeable batteries plays an important role in promoting the development of renewable energy technology. With the in‐depth understanding of the mechanisms underlying electrode reactions and the rapid development of advanced technology, the performance of batteries has significantly been optimized through the introduction of defect engineering on electrode materials. A large number of coordination unsaturated sites can be exposed by defect construction in electrode materials, which play a crucial role in electrochemical reactions. Herein, recent advances regarding defect engineering in electrode materials for rechargeable batteries are systematically summarized, with a special focus on the application of metal‐ion batteries, lithium–sulfur batteries, and metal–air batteries. The defects can not only effectively promote ion diffusion and charge transfer but also provide more storage/adsorption/active sites for guest ions and intermediate species, thus improving the performance of batteries. Moreover, the existing challenges and future development prospects are forecast, and the electrode materials are further optimized through defect engineering to promote the development of the battery industry.
更新日期:2020-02-18

 

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