Fluorinated Graphene‐Enabled Durable Triboelectric Coating for Water Energy Harvesting
- 1 February 2021
- Vol. 17 (8), 2007805
- https://doi.org/10.1002/smll.202007805
Abstract
The durability issue of triboelectric nanogenerators (TENGs) still limits its practical application for long‐term operation, especially in harvesting water energy, which is one of the most widespread energies in nature. Attempting to ameliorate this, fluorinated graphene (FG) with unique triboelectric negativity and superhydrophobic property is introduced to serve as a new triboelectric and protective layer for TENG construction. The self‐cleaning as well as anti‐corrosion property and durability of the FG coating‐enabled TENG device is then demonstrated. Furthermore, this novel triboelectronegative material candidate is applied for consecutively coating on Cu mesh and the inner wall of sewage pipe to fabricate TENGs for water energy harvesting and working as a metal protective layer in the meantime. Through the extraordinary output performance, the feasibility of FG‐enabled triboelectric coating to be used in the field of interference screening, filtering, and sewage pipes is proved. This developed triboelectronegative coating not only broadens the material selection of TENG but also significantly enhances the durability and robustness of TENG for water energy harvesting, which possesses great potential in applying in metal protection and water energy harvesting under extreme conditions (e.g., strong acid and strong alkaline environments).Keywords
Funding Information
- National Natural Science Foundation of China (31922063)
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