文献类型：期刊文献

英文题名：Biomimetic hierarchical structure enabled mechanical toughness, water-resistant wood-based substrate for high-performance triboelectric nanogenerator

作者：Jia, Qianqian[1] Liu, Yupeng[2] Huang, Caoxing[1] Gao, Shishuai[2] Zhang, Daihui[2] Wang, Jifu[2] Wang, Chunpeng[2] Yong, Qiang[1] Chu, Fuxiang[1,2] Lu, Chuanwei[1]

第一作者：Jia, Qianqian

通信作者：Lu, CW[1]

机构：[1]Nanjing Forestry Univ, Coll Chem Engn, Jiangsu Coinnovat Ctr Efficient Proc & Utilizat Fo, Int Innovat Ctr Forest Chem & Mat, Nanjing 210037, Peoples R China;[2]Chinese Acad Forestry, Inst Chem Ind Forest Prod, State Key Lab Dev & Utilizat Forest Food Resources, Nanjing 210042, Peoples R China

年份：2026

卷号：531

外文期刊名：CHEMICAL ENGINEERING JOURNAL

收录：;EI(收录号：20260720062422);WOS:【SCI-EXPANDED(收录号:WOS:001692520200001)】；

基金：The authors acknowledge the support from National Key Research and Development Program of China (2024YFD2200802) , National Key Research and Development Program of China (2023YFD2200505) , Na-tional Natural Science Foundation of China (32201498) and National Natural Science Foundation of China (32201508) .

语种：英文

外文关键词：Wood-based substrate; Biomimetic hierarchical structure; Water-resistant; Rotary triboelectric nanogenerator; Harvest green energy

摘要：The practical application of wood-based materials in sustainable triboelectric nanogenerators (TENGs) is constrained by their mechanical weakness, poor environmental tolerance, and insufficient electrical output. Incorporating functional polymers offers potential for enhancing wood-based substrates, yet weak interfacial bonding often undermines structural stability. Herein, we develop an optimized wood-based substrate (WS) featuring superior mechanical toughness, water resistance, and transparency by constructing the biomimetic hierarchical structures. The filler matrix, engineered with reactive isocyanate groups, enables the formation of stable covalent bonds at hierarchical interfaces, thereby achieving exceptional mechanical toughness (3.38 MJ/m3), water resistance, and a high dielectric constant (5.33). Leveraging these properties, the WS serves as a sustainable substrate for a rotary TENG, enabling efficient wind and water flow energy harvesting, and achieving a significantly enhanced peak power density (300.7 mW/m2) compared with most of the reported wood-based TENGs. This work opens up new avenues for designing next-generation wood-based TENGs for efficient green energy harvesting.