Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 54, Issue 51, Pages 15390-15394Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201508848
Keywords
carbon materials; electrodes; flexibility; nanotubes; zinc-air batteries
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Funding
- MOST [2011CB932503]
- NSFC [21225417]
- STCSM [15XD1500400]
- Fok Ying Tong Education Foundation
- Program for Special Appointments of Professors at Shanghai Institutions of Higher Learning
- Program for Outstanding Young Scholars from the Organization Department of the CPC Central Committee
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The fabrication of flexible, stretchable and rechargeable devices with a high energy density is critical for next-generation electronics. Herein, fiber-shaped Zn-air batteries, are realized for the first time by designing aligned, cross-stacked and porous carbon nanotube sheets simultaneously that behave as a gas diffusion layer, a catalyst layer, and a current collector. The combined remarkable electronic and mechanical properties of the aligned carbon nanotube sheets endow good electrochemical properties. They display excellent discharge and charge performances at a high current density of 2 A g(-1). They are also flexible and stretchable, which is particularly promising to power portable and wearable electronic devices.
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