Advanced triboelectric materials for liquid energy harvesting and emerging application |
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| Affiliation: | 1. School of Light Industry and Food Engineering, Guangxi University, Nanning, 530004, PR China;2. School of Material Science and Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, United States;3. Department of Applied Physics, State Key Laboratory of Power Transmission Equipment & System Security and New Technology, Chongqing University, Chongqing, 400044, PR China;1. Marine Engineering College, Dalian Maritime University, Dalian 116026, China;2. School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0245, United States;3. Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 100085, China;4. Guangdong Ocean University, Zhanjiang 524088, China;1. School of Light Industry and Food Engineering, Guangxi University, Nanning 530004, PR China;2. School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, PR China;3. Guangxi Bossco Environment Protecting Technology Co., Ltd, Nanning 530007, PR China;1. School of Light Industry and Food Engineering, Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, Guangxi University, Nanning 530004, PR China;2. Huizhou Guangdu Intelligent Technology Co., LTD, Guangzhou, Huizhou 516001, PR China |
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| Abstract: | Triboelectric properties of materials play an essential role in liquid energy harvesting and emerging application. The triboelectric properties of materials can be controlled by chemical functionalization strategy, which can improve the utilization of liquid energy resources or reduce the hazards of electrostatic effects. Herein, the latest research progress in molecular modification based on chemical functionalization to control triboelectric properties of materials is systematically summarized. By introducing the mechanism of contact electrification between liquid and solid materials and the developmental history of liquid–solid contact electrification, the influence of solid surface charge density, wettability and liquid properties on contact electrification of liquid and solid materials is described. Research progress on chemical functionalization for improving the hydrophobicity of solid materials, surface charge density of solid materials and triboelectric properties of liquid materials is highlighted. The focus then turns to the significance of enhanced liquid–solid contact electrification in energy harvesting, self-powered sensors and metal corrosion protection. Recent advances in chemical functionalization strategies for weakening the triboelectric properties of solid and liquid materials are also highlighted. Finally, an outlook of the potential challenges for developing chemical functionalization strategies in the field of solid surface modification and liquid molecular modification is presented. |
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| Keywords: | Triboelectric nanogenerator Triboelectric materials Chemically functionalization Liquid energy harvesting Contact electrification |
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