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Stretchable Wire-Shaped Asymmetric Supercapacitors Based on Pristine and MnO2 Coated Carbon Nanotube Fibers
文献类型：期刊论文
| 作者 | Xu, P; Wei, BQ; Cao, ZY; Zheng, J; Gong, K; Li, FX; Yu, JY; Li, QW(李清文) ; Lu, WB; Byun, JH
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| 刊名 | ACS NANO
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| 出版日期 | 2015 |
| 卷号 | 9期号:6页码:9 |
| 关键词 | asymmetric configuration stretchability wire-shaped supercapacitors carbon nanotube fibers manganese oxides |
| 通讯作者 | Yu, JY |
| 英文摘要 | While the emerging wire-shaped supercapadtors (WSS) have been demonstrated as promising energy storage devices to be implemented in smart textiles, challenges in achieving the combination of both high mechanical stretchability and excellent electrochemical performance still exist. Here, an asymmetric configuration is applied to the MISS, extending the potential window from 0.8 to 1.5V, achieving tripled energy density and doubled power density compared to its asymmetric counterpart while accomplishing stretchability of up to 100% through the prestrainning-then-buckling approach. The stretchable asymmetric WSS constituted of MnO2/CNT hybrid fiber positive electrode, aerogel CNT fiber negative electrode and KOH-PVA electrolyte possesses a high specific capacitance of around 157.53 mu F cm(-1) at 50 mV s(-1) and a high energy density varying from 17.26 to 46.59 nWh cm(-1) with the corresponding power density changing from 7.63 to 61.55 mu W cm(-1). Remarkably, a cyclic tensile strain of up to 100% exerts negligible effects on the electrochemical performance of the stretchable asymmetric WSS. Moreover, after 10 000 galvanostatic charge-discharge cycles, the specific capacitance retains over 99%, demonstrating a long cyclic stability. |
| 收录类别 | SCI |
| 语种 | 英语 |
| 公开日期 | 2016-05-03 |
| 源URL | [http://ir.sinano.ac.cn/handle/332007/3363]  |
| 专题 | 苏州纳米技术与纳米仿生研究所_先进材料研究部_李清文团队 |
| 推荐引用方式 GB/T 7714 | Xu, P,Wei, BQ,Cao, ZY,et al. Stretchable Wire-Shaped Asymmetric Supercapacitors Based on Pristine and MnO2 Coated Carbon Nanotube Fibers[J]. ACS NANO,2015,9(6):9. |
| APA | Xu, P.,Wei, BQ.,Cao, ZY.,Zheng, J.,Gong, K.,...&Chou, TW.(2015).Stretchable Wire-Shaped Asymmetric Supercapacitors Based on Pristine and MnO2 Coated Carbon Nanotube Fibers.ACS NANO,9(6),9. |
| MLA | Xu, P,et al."Stretchable Wire-Shaped Asymmetric Supercapacitors Based on Pristine and MnO2 Coated Carbon Nanotube Fibers".ACS NANO 9.6(2015):9. |
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