IMR OpenIR
Pseudocapacitive contributions to electrochemical kinetics in NiOx electrochromic anodes
Guo, Xing1,2; Diao, Xungang3; Wang, Wei1,2
Corresponding AuthorWang, Wei(wei.wang@imr.ac.cn)
2021-08-15
Source PublicationCERAMICS INTERNATIONAL
ISSN0272-8842
Volume47Issue:16Pages:22240-22245
AbstractBecause of its ability to change optical absorption dynamically by applied electric field, nickel oxide (NiO) is a promising anodic material in smart windows, which can improve energy conversion efficiency in construction buildings. Although many works have achieved high electrochromic performance with different method. The underlying mechanism is still not fully investigated. In this article, we prepared the NiO films with large specific surface area and high stability by electron beam evaporation. X-ray diffraction (XRD), scanning electron microscopy (SEM) and X-ray photoelectron spectroscopy (XPS) were employed to figure out the surface morphology and composition of as-deposited films. Afterwards, the electrochemical properties and optical performance of the prepared NiO films were investigated. On this basis, the origin of surface charge was fully analyzed by cyclic voltammetry and diffusion coefficient test. These experimental and theoretical results firmly confirm that both the surface reaction and capacitive effect bring about the excellent EC performance in NiO films. These results not only provide clear evidence about electrochemical kinetics in NiO films, but also offer some useful guidelines for the design of EC materials with higher performance and longer stability.
KeywordElectrochromism Nickel oxide Capacitance Eletrochemistry
DOI10.1016/j.ceramint.2021.04.309
Indexed BySCI
Language英语
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Ceramics
WOS IDWOS:000675515200002
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/159808
Collection中国科学院金属研究所
Corresponding AuthorWang, Wei
Affiliation1.Chinese Acad Sci, Inst Met Res, Shichangxu Innovat Ctr Adv Mat, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
3.Beihang Univ, Sch Energy & Power Engn, Beijing 100191, Peoples R China
Recommended Citation
GB/T 7714
Guo, Xing,Diao, Xungang,Wang, Wei. Pseudocapacitive contributions to electrochemical kinetics in NiOx electrochromic anodes[J]. CERAMICS INTERNATIONAL,2021,47(16):22240-22245.
APA Guo, Xing,Diao, Xungang,&Wang, Wei.(2021).Pseudocapacitive contributions to electrochemical kinetics in NiOx electrochromic anodes.CERAMICS INTERNATIONAL,47(16),22240-22245.
MLA Guo, Xing,et al."Pseudocapacitive contributions to electrochemical kinetics in NiOx electrochromic anodes".CERAMICS INTERNATIONAL 47.16(2021):22240-22245.
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