Journal
NANO LETTERS
Volume 14, Issue 6, Pages 3432-3438Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl5009647
Keywords
Carbon nanotube; composite yarn; fiber shaped; textile; energy storage
Categories
Funding
- MOST [2011CB932503]
- NSFC [21225417]
- STCSM [12 nm0503200]
- 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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Inspired by the fantastic and fast-growing wearable electronics such as Google Glass and Apple iWatch, matchable lightweight and weaveable energy storage systems are urgently demanded while remaining as a bottleneck in the whole technology. Fiber-shaped energy storage devices that can be woven into electronic textiles may represent a general and effective strategy to overcome the above difficulty. Here a coaxial fiber lithium-ion battery has been achieved by sequentially winding aligned carbon nanotube composite yarn cathode and anode onto a cotton fiber. Novel yarn structures are designed to enable a high performance with a linear energy density of 0.75 mWh cm(-1). A wearable energy storage textile is also produced with an areal energy density of 4.5 mWh cm(-2).
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