Important effect of Pt modification at the collector/active material interface of flexible micro-supercapacitors
Important effect of Pt modification at the collector/active material interface of flexible micro-supercapacitors
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Pt修饰对柔性微型超级电容器集流体/活性材料界面的重要影响
DOI:
10.1016/j.apsusc.2018.06.144
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发表时间:
2018-10
影响因子:
6.7
通讯作者:
Dai Ye
中科院分区:
文献类型:
--
作者:
Tao Shengying;Zeng Zhigang;Shi Xiaobo;Liao Chujian;Guo Erjuan;Long Xiao;Zhou Haijun;Wang Xiaohong;Deng Dongmei;Dai Ye
The interface modification of collector/active materials is important for enhancing the performance of micro-supercapacitors (MSCs). In this study, we report that the performance of MnO2based MSCs is greatly improved only by adding a small amount of Pt modification on Au current collector. The MSCs were fabricated in the interdigitated planar form on polyethylene terephthalate (PET) substrate. LiCl-polyvinyl alcohol (PVA) was used as solid electrolyte to make these all-solid-state flexible MSCs. The area specific capacitance of Pt modified MnO2/Pt@Au/PET MSCs are more than two times higher than those of MnO2/Au/PET MSCs without Pt modification. MnO2/Pt@Au MSCs has relatively higher energy density ranges from 0.36 to 0.88 μWh cm−2and power density ranges from 0.04 to 0.16 mW cm−2. In addition, the MnO2/Pt@Au/PET MSCs showed excellent long-term cycling stability with nearly no performance attenuation after 5000 times of galvanostatic charge/discharge cycles. Our results indicate that the interface modification of collector/active materials should receive sufficient attention to optimize and improve the storage performance and stability for MSCs.
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影响因子:
9.2
作者:
Long Xiao;Zeng Zhigang;Guo Erjuan;Shi Xiaobo;Zhou Haijun;Wang Xiaohong
通讯作者:
Wang Xiaohong
影响因子:
4.6
作者:
Wang Y;Fugetsu B;Wang Z;Gong W;Sakata I;Morimoto S;Hashimoto Y;Endo M;Dresselhaus M;Terrones M
通讯作者:
Terrones M
影响因子:
4
作者:
Kilwon Cho
通讯作者:
Kilwon Cho
影响因子:
19
作者:
Ma, Hong;Yip, Hin-Lap;Jen, Alex K. -Y.
通讯作者:
Jen, Alex K. -Y.
影响因子:
6.6
作者:
Zeng, Zhigang;Long, Xiao;Hu, Zhiyu
通讯作者:
Hu, Zhiyu