期刊
ADVANCED FUNCTIONAL MATERIALS
卷 28, 期 45, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.201804975
关键词
aqueous Zn batteries; dual-ion; flexible devices; polyaniline; Zn-ion insertion
类别
资金
- Ministry of Science and Technology of People's Republic of China [2017YFA0206701]
- National Natural Science Foundation of China [21573116, 51602218]
- Ministry of Education of China [B12015]
- Tianjin Basic and High-Tech Development [16PTSYJC00030]
- Fundamental Research Funds for the Central Universities
- Young Thousand Talents Program
Aqueous zinc-ion batteries have been considered as potential energy storage devices owing to their high safety and low cost. Traditional zinc-ion batteries often implement a typical Zn2+ insertion/extraction mechanism. Compared with traditional Zn2+ insertion/extraction mechanism, supercapacitor-liked dual-ion mechanism often endow the batteries with higher operating voltage, better rate capability, and longer cycle life. Herein, aqueous Zn/polyaniline batteries are developed, which can combine the Zn2+ insertion/extraction and dual-ion mechanisms. The Zn/polyaniline batteries deliver excellent electrochemical performance, especially a long cycle life up to 3000 cycles with high-capacity retention of 92%. This hybrid mechanism provides a promising battery chemistry. Furthermore, Zn/polyaniline batteries can be assembled into quasi-solid-state soft-packaged and cable-type configurations and display stable electrochemical performance even under different bending states, showing potential applications for flexible electronics.
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