Hydrophobic MAO/FSG coating based TENG for self-healable energy harvesting and self-powered cathodic protection

被引：10
|
作者：
Liu, YuPeng [1 ,2 ]
Sun, WeiXiang [2 ,3 ]
Li, TingHua [4 ]
Wang, DaoAi [1 ,2 ]
机构：
[1] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China
[2] Qingdao Ctr Resource Chem & New Mat, Qingdao 266100, Peoples R China
[3] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China
[4] Tech Ctr China Tobacco Yunnan Ind Co Ltd, Kunming 650231, Yunnan, Peoples R China
来源：
SCIENCE CHINA-TECHNOLOGICAL SCIENCES | 2022年 / 65卷 / 03期
基金：
中国国家自然科学基金;
关键词：
triboelectric nanogenerator; organic; inorganic hybrid coating; energy collection; corrosion resistance; self-healing property; TRIBOELECTRIC NANOGENERATOR; CORROSION PROTECTION; CONVERSION; EFFICIENT;
D O I：
10.1007/s11431-021-1943-8
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
An organic/inorganic hybrid coating with self-healable hydrophobicity is prepared as triboelectrical layer by micro-arc oxidation (MAO) and fluorinated sol-gel (FSG) coating. The MAO/FSG hybrid coating-based TENG (MF-TENG) has a current output of 31 mu A and voltage output of 870 V, which is eight times that of the MAO based TENG. Compared with organic coating, the organic/inorganic hybrid coating has good wear resistance. When the fluorine composition on the surface of the coating is damaged, the self-healing hydrophobicity and electrical output are achieved by transferring loaded perfluorosilane to the damaged surface. The fluorinated sol-gel coating is hydrophobic, which ensures that the coating has good corrosion resistance. Also, the electricity generated in triboelectrification could improve the anti-corrosion performance by cathodic protection. Based on the anti-corrosion, anti-wear and self-healing properties, the MF-TENG has potential applicability in the field of energy collection, energy supply, and corrosion protection.
引用
收藏
页码：726 / 734
页数：9
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