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Preparation and Sensing Properties of Highly Moisture-resistant Cellulosic Triboelectric Materials
Received:October 10, 2025  Revised:November 05, 2025
DOI：10.11981/j.issn.1000-6842.2025.04.76
Key Words:cellulose;triboelectric material;triboelectric nanogenerator;sensor
Fund Project:南宁市科技重大专项（20251015）；广西研究生教育创新计划资助项目（YCBZ2024056）。
Author NameAffiliationPostcode
LIU Tao* School of Light Industry and Food Engineering， Guangxi Key Lab of Clean Pulp ＆ Papermaking and Pollution Control， Guangxi University， Nanning， Guangxi Zhuang Autonomous Region， 530004 530004
HE Huanjie School of Light Industry and Food Engineering， Guangxi Key Lab of Clean Pulp ＆ Papermaking and Pollution Control， Guangxi University， Nanning， Guangxi Zhuang Autonomous Region， 530004 530004
YIN Hongxiang* Guangxi Bossco Environmental Protection Technology Co.， Ltd.， Nanning， Guangxi Zhuang Autonomous Region， 537003 537003
HUANG Peijing Guangxi Fangbo Technology Service Co.， Ltd.， Nanning， Guangxi Zhuang Autonomous Region， 530022 530022
LIANG Rongrong School of Light Industry and Food Engineering， Guangxi Key Lab of Clean Pulp ＆ Papermaking and Pollution Control， Guangxi University， Nanning， Guangxi Zhuang Autonomous Region， 530004 530004
LI Xuedi School of Light Industry and Food Engineering， Guangxi Key Lab of Clean Pulp ＆ Papermaking and Pollution Control， Guangxi University， Nanning， Guangxi Zhuang Autonomous Region， 530004 530004
WANG Shuangfei School of Light Industry and Food Engineering， Guangxi Key Lab of Clean Pulp ＆ Papermaking and Pollution Control， Guangxi University， Nanning， Guangxi Zhuang Autonomous Region， 530004 530004
NIE Shuangxi* School of Light Industry and Food Engineering， Guangxi Key Lab of Clean Pulp ＆ Papermaking and Pollution Control， Guangxi University， Nanning， Guangxi Zhuang Autonomous Region， 530004 530004
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Abstract:
      To address the issues of surface charge dissipation under humid conditions and insufficient sensing sensitivity in cellulose-based materials， a hydrophobic cellulose triboelectric material with high moisture resistance and fast responsiveness was developed. This material was prepared through chemical modification with methylsilane to impart hydrophobicity， combined with laser-etched molds designed to create microstructures on the material surface. By investigating the effects of ambient humidity on the triboelectric properties of cellulose materials and analyzing their surface wettability and structural hygroscopicity， the moisture resistance mechanism of the cellulose triboelectric materials was elucidated. The results revealed that the hydrophobic cellulose triboelectric materials retained 73.6% of their output performance even under an extremely humidity conditions of 99% relative humidity， which was 2.4 times that of cellulose film (30.3%). Furthermore， the microstructured surface endowed the cellulose triboelectric material with outstanding stress-responsive behavior， exhibiting a rapid response time of only 76 ms and a sensing sensitivity of 0.120 V/kPa.
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