期刊
APPLIED SURFACE SCIENCE
卷 598, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.apsusc.2022.153796
关键词
Flexible supercapacitor; Printable supercapacitor; NiCoAl-LDH; Hybrid supercapacitor; MXene composite; Printable electrode
类别
资金
- National Natural Science Foundation of China [51901189]
- Shaanxi Provincial Key RD Program [2021KWZ-17]
- Natural Science Foundation of Shaanxi Province [2020JM-134, 2020JQ-165]
- Science Fund of Shandong Laboratory of Yantai Advanced Materials and Green Manufacturing [AMGM2021A03]
- Fundamental Research Funds for the Central Universities
This article proposes an in-plane hybrid supercapacitor with a special positive electrode on textiles to improve energy density. By combining metallic layer double hydroxide, Ti3C2Tx MXene, and Ag nanowires with the skeleton function of Ti3C2Tx MXene, a battery-type electrode with high capacity, high-rate performance, and long cycle life is achieved. The textile-based IHSC exhibits outstanding energy density and power density, making it suitable for flexible and wearable electronics.
Coplanar supercapacitors on textiles have received much concern with the development of flexible and wearable energy-storage-devices because this configuration can remarkably enhance the mechanical deformation and facilitate the integration with other devices as compared with conventional stacked configuration. However, the low energy density limits their applications. Here, in-plane hybrid supercapacitor (IHSC) on textile with special positive electrode is put forward to improve the energy density. The battery-type electrode is incorporated by combining the high capacity of metallic layer double hydroxide (NiCoAl-LDH), the high conductivity of Ti3C2Tx MXene and Ag nanowires, with the skeleton function of Ti3C2Tx MXene, which displays high capacity of 592C g(-1) at 1 A g(-1), high-rate performance, and long cycle life over 10,000 cycles. Based on this composite material and active carbon (negative electrode), screen-printed IHSC device on textile presents high areal energy density of 22.18 mu Wh cm(-2 )and power density of 3.0 mW cm(-2), which is outstandingly superior to those conventional carbon-based in-plane supercapacitors on textiles. In addition, the device shows the excellent bending capability. These remarkable properties of textile based IHSCs demonstrate their promising potential as effective and printable power sources used in flexible and wearable electronics.
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