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研究论文

Co对NiO_xH_y薄膜电致变色性能的影响(英文)

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  • 南开大学新能源材料化学研究所

收稿日期: 1999-02-28

  修回日期: 1999-02-28

  网络出版日期: 1999-02-28

Some Effects of Co on the Electrochromic Properties of NiO xH y Film

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  • (Inst. of New Energy Material Chem. Nankai Univ., Tianjin 300071

Received date: 1999-02-28

  Revised date: 1999-02-28

  Online published: 1999-02-28

摘要

本文利用阴极化电沉积法在抛光镍板及ITO玻璃表面制备了含Co量为16.2%的NiOxHy薄膜,薄膜厚度分别为42nm、21nm,采用透射光谱以及线性电位扫描、交流阻抗和阳极稳态极化曲线等测试技术,考察了Co对NiOxHy薄膜电致变色性能的影响,光谱测试范围为300~2500nm.结果发现:Co能降低薄膜着色态在可见光区及部分近红外区的透过率,通过电压调节不仅可以调光而且可望能够控温;同时Co还能降低NiOxHy薄膜电致变色电位,升高薄膜氧化着色过程中的氧析出过电位,对薄膜的电致变色性能有改进作用,但降低了着色过程中质子的扩散系数.

关键词: 电致变电; NiOxHy膜; Co

本文引用格式

曹晓燕, 张文虎, 袁华堂, 张万林, 林荫浓, 周作祥, 张允什 . Co对NiO_xH_y薄膜电致变色性能的影响(英文)[J]. 电化学, 1999 , 5(1) : 59 -67 . DOI: 10.61558/2993-074X.2716

Abstract

Some effects of Co addition upon the electrochromic characteristics of a nic_kel hydroxide film were studied. The films were electrodeposited on both polished Ni plate and conductive ITO glass. The electrochemical behaviors were investigated using the film on Ni plate by linear potential sweep, a.c. impedance, and anodic polarization curves for OER(oxygen evolution reaction). It was found that Co can lower the working voltage and raise the oxygen overpotential, but has little effect on the reaction kinetics. It was also found that the Co can improve the optical properties of the electrochromic film.

参考文献

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