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Wearable energy-dense and power-dense supercapacitor yarns enabled by scalable graphene–metallic textile composite electrodes
Open accessAbstract
One-dimensional flexible supercapacitor yarns are of considerable interest for future wearable electronics. The bottleneck in this field is how to develop devices of high energy and power density, by using economically viable materials and scalable fabrication technologies. Here we report a hierarchical graphene–metallic textile composite electrode concept to address this challenge. The hierarchical composite electrodes consist of low-cost graphene sheets immobilized on the surface of Ni-coated cotton yarns, which are fabricated by highly scalable electroless deposition of Ni and electrochemical deposition of graphene on commercial cotton yarns. Remarkably, the volumetric energy density and power density of the all solid-state supercapacitor yarn made of one pair of these composite electrodes are 6.1 mWh cm−3 and 1,400 mW cm−3, respectively. In addition, this SC yarn is lightweight, highly flexible, strong, durable in life cycle and bending fatigue tests, and integratable into various wearable electronic devices.
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Cites
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Wang, C., Hwang, D., Yu, Z., Takei, K., Park, J., Chen, T., Ma, B., & Javey, A. (2013) · Nature Materials · doi:10.1038/nmat3711 · Cited by 1,182
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Monitoring of Vital Signs with Flexible and Wearable Medical Devices
Khan, Y., Ostfeld, A. E., Lochner, C. M., Pierre, A., & Arias, A. C. (2016) · Advanced Materials · doi:10.1002/adma.201504366 · Cited by 1,408
Bio-Integrated Wearable Systems: A Comprehensive Review
Ray, T. R., Choi, J., Bandodkar, A. J., Krishnan, S., Gutruf, P., Tian, L., Ghaffari, R., & Rogers, J. A. (2019) · Chemical Reviews · doi:10.1021/acs.chemrev.8b00573 · Cited by 1,350
Wearable Chemical Sensors: Present Challenges and Future Prospects
Bandodkar, A. J., Jeerapan, I., & Wang, J. (2016) · ACS Sensors · doi:10.1021/acssensors.6b00250 · Cited by 778
Energy harvesting and storage in 1D devices
Sun, H., Zhang, Y., Zhang, J., Sun, X., & Peng, H. (2017) · Nature Reviews Materials · doi:10.1038/natrevmats.2017.23 · Cited by 528
Machine-knitted washable sensor array textile for precise epidermal physiological signal monitoring
Fan, W., He, Q., Meng, K., Tan, X., Zhou, Z., Zhang, G., Yang, J., & Wang, Z. L. (2020) · Science Advances · doi:10.1126/sciadv.aay2840 · Cited by 516
Metadata
- Authors
- Liu, L., Yu, Y., Yan, C., Li, K., & Zheng, Z.
- Venue
- Nature Communications
- Published
- 2015-06-11
- Volume
- 6
- Issue
- 1
- Pages
- 7260-7260
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W2253741360
- Cited by
- 671
- References
- 1
- FWCI
- 27.12
- Type
- journal article
- Language
- en
- Open access
- gold
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- Liu, L., Yu, Y., Yan, C., Li, K., & Zheng, Z. (2015). Wearable energy-dense and power-dense supercapacitor yarns enabled by scalable graphene–metallic textile composite electrodes. Nature Communications. https://doi.org/10.1038/ncomms8260
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