CAS OpenIR
Origin of Enhanced Electricity Generation on Magneli Phase Titanium Suboxide Nanocrystal Films
Si, Pengchao1,2; Li, Mengqi1; Wang, Xiang1; Sun, Feifei1; Liu, Jingjing1; Wang, Qinhuan1; Ren, Fuqiang1; Kong, Haoran1,2; Wang, Yu1
2021-09-28
Source PublicationACS APPLIED ENERGY MATERIALS
ISSN2574-0962
Volume4Issue:10Pages:10877-10885
AbstractThe energy conversion process caused by relative motion of droplets and nanofilms has aroused widespread attention. However, the mechanism is still unclear, especially regarding the modification of the nanomaterial itself. In this study, we found that by annealing TiO2 in a H-2 atmosphere at different temperatures, the Magneli phase titanium suboxide can be prepared with a lot of oxygen vacancies. Oxygen vacancies not only form negative charge centers inside the film, which enhance the attraction of Na+, but also increase the carrier concentration. By increasing the oxygen vacancy concentration, the measured V-OC value was increased by similar to 5 times and ISC by similar to 30 times. Furthermore, a universal film preparation process was developed for the large-scale production of flexible energy conversion units based on the simple sol-gel method. Experimental results show that the prepared energy conversion unit has excellent performance of collecting rainwater energy and show a stable and continuous V-OC output of similar to 600 mV, combined with the surface hydrophobic treatment technology.
Keywordenergy conversion Magneli phase MXene hydrovoltaic oxygen vacancy sol-gel processes
DOI10.1021/acsaem.1c01840
Language英语
WOS KeywordMODIFIED ANATASE SOL ; ION BATTERIES ; TIO2 ; DROPLET ; SURFACE ; MXENE
Funding ProjectNational Natural Science Foundation of China[21,875,256] ; National Natural Science Foundation of China[51,701,205]
WOS Research AreaChemistry ; Energy & Fuels ; Materials Science
WOS SubjectChemistry, Physical ; Energy & Fuels ; Materials Science, Multidisciplinary
Funding OrganizationNational Natural Science Foundation of China
WOS IDWOS:000711236300048
PublisherAMER CHEMICAL SOC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/51149
Collection中国科学院过程工程研究所
Corresponding AuthorWang, Yu
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Chem Engn, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Si, Pengchao,Li, Mengqi,Wang, Xiang,et al. Origin of Enhanced Electricity Generation on Magneli Phase Titanium Suboxide Nanocrystal Films[J]. ACS APPLIED ENERGY MATERIALS,2021,4(10):10877-10885.
APA Si, Pengchao.,Li, Mengqi.,Wang, Xiang.,Sun, Feifei.,Liu, Jingjing.,...&Wang, Yu.(2021).Origin of Enhanced Electricity Generation on Magneli Phase Titanium Suboxide Nanocrystal Films.ACS APPLIED ENERGY MATERIALS,4(10),10877-10885.
MLA Si, Pengchao,et al."Origin of Enhanced Electricity Generation on Magneli Phase Titanium Suboxide Nanocrystal Films".ACS APPLIED ENERGY MATERIALS 4.10(2021):10877-10885.
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