Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 55, Issue 28, Pages 7979-7982Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201601804
Keywords
aluminum-air batteries; carbon nanotubes; electrochemistry; fiber-shaped devices; flexibility
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Funding
- NSFC [21225417, 51573027, 51403038]
- STCSM [15XD1500400, 15JC1490200]
- Program for Outstanding Young Scholars from Organization Department of the CPC Central Committee
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Owing to the high theoretical energy density of metal-air batteries, the aluminum-air battery has been proposed as a promising long-term power supply for electronics. However, the available energy density from the aluminum-air battery is far from that anticipated and is limited by current electrode materials. Herein we described the creation of a new family of all-solid-state fiber-shaped aluminum-air batteries with a specific capacity of 935 mAh g(-1) and an energy density of 1168 Wh kg(-1). The synthesis of an electrode composed of cross-stacked aligned carbon-nanotube/silver-nanoparticle sheets contributes to the remarkable electrochemical performance. The fiber shape also provides the aluminum-air batteries with unique advantages; for example, they are flexible and stretchable and can be woven into a variety of textiles for large-scale applications.
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