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| Study on Preparation of Sodium Carboxymethyl Cellulose/Carboxymethyl Chitosan Aerogel-based Moist Electri city Generation Device and Its Performance |
| Received:October 28, 2025 Revised:November 19, 2025 |
| DOI：10.11981/j.issn.1000-6842.2026.01.30 |
| Key Words:carboxymethyl cellulose;carboxymethyl chitosan;aerogel;moist electricity generation devices （MEGs） |
| Fund Project:陕西科技大学自然科学前沿研究基金（2020XSGG-07）；陕西省重点研发计划（2022GY-278）；陕西省自然科学基础研究计划（2023-JC-YB-104）；广西清洁化制浆造纸与污染控制重点实验室开放基金（2023GXZZKF36）。 |
| Author Name | Affiliation | Postcode | | XIANG Zhong* | College of Bioresources Chemical and Materials Engineering， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021 | 710021 | | TIAN Xiuzhi | College of Bioresources Chemical and Materials Engineering， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021 | 710021 | | LI Yuhang | College of Bioresources Chemical and Materials Engineering， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021 | 710021 | | JIAO Xinye | College of Bioresources Chemical and Materials Engineering， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021 | 710021 | | DU Yichun | College of Bioresources Chemical and Materials Engineering， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021 | 710021 | | JIANG Xue* | College of Bioresources Chemical and Materials Engineering， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021 | 710021 |
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| Abstract: |
| In this study， carboxymethyl cellulose sodium （CMC-Na） and carboxymethyl chitosan （CMCS） were used as raw materials to prepare CMC-Na/CMCS aerogel. Then the aerogel was assembled with a porous aluminum mesh and copper foil to construct a novel moist electricity generation devices （MEGs） featuring a ‘sandwich’ structure that integrated both efficient moisture capture and conversion capabilities. The performance of moist electricity generation of prepared CMC-Na/CMCS aerogel-based MEGs was evaluated. The results indicated that the successful cross-linking between CMC-Na and CMCS was occurred， endowing the CMC-Na/CMCS aerogel with a three-dimensional network structure and uniform pore. Under conditions at 45 ℃ and relative humidity of 80%， the CMC-Na/CMCS aerogel-based MEGs achieved a maximum stable open-circuit voltage （Voc） of 0.90 V and a short-circuit current （Isc） of 2.6 μA. Under normal environmental conditions （temperature of 25~40 ℃， relative humidity of 55%~75%）， the CMC-Na/CMCS aerogel-based MEGs sustained continuous voltage output for up to 24 h， with Voc stabilizing between 0.43 V and 0.79 V， demonstrating excellent environmental adaptability and operational stability. |
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