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Surface-Alloyed Nanoporous Zinc as Reversible and Stable Anodes for High-Performance Aqueous Zinc-Ion Battery
被引:0
|作者:
Huan Meng
Qing Ran
Tian-Yi Dai
Hang Shi
Shu-Pei Zeng
Yong-Fu Zhu
Zi Wen
Wei Zhang
Xing-You Lang
Wei-Tao Zheng
Qing Jiang
机构:
[1] Jilin University,Key Laboratory of Automobile Materials (Jilin University), Ministry of Education, School of Materials Science and Engineering, and Electron Microscopy Center
[2] Jilin University,State Key Laboratory of Automotive Simulation and Control
来源:
关键词:
Nanoporous metal;
Zinc-based alloy anode;
Aqueous zinc-ion batteries;
Surface alloying;
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摘要:
ZnxCuy alloy shell was in-situ formed on self-supported three-dimensional nanoporous Zn anode by anionic surfactant-assisted surface alloying of Zn and Cu.The self-supported nanoporous ZnxCuy/Zn anodes exhibit high-rate capability, outstanding reversibility and stability during Zn stripping/plating because of zincophilic ZnxCuy to guide uniform Zn deposition and facilitate Zn stripping.Aqueous Zn-ion batteries assembled with nanoporous ZnxCuy/Zn anode and KzMnO2 cathode achieve specific energy of as high as ~430 Wh kg‒1 and retain ~86% after long-term cycles for >700 h.
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