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Performance Research of Cellulose Membrane for Salinity-gradient Power Generation
Received:June 09, 2022  
DOI：10.11980/j.issn.0254-508X.2022.08.003
Key Words:cellulose membrane  bamboo dissolving pulp  ion selective transport  salinity-gradient power
Fund Project:国家自然科学基金（31971612、31700520）。
Author NameAffiliationPostcode
ZHANG Yu College of Material Engineering，Fujian Agriculture and Forestry University， Fuzhou， Fujian Province， 350108 350108
SHI Jianping College of Material Engineering，Fujian Agriculture and Forestry University， Fuzhou， Fujian Province， 350108 350108
CHEN Yuwen College of Material Engineering，Fujian Agriculture and Forestry University， Fuzhou， Fujian Province， 350108 350108
CHEN Lihui College of Material Engineering，Fujian Agriculture and Forestry University， Fuzhou， Fujian Province， 350108
National Forestry and Grassl and Administration Key Lab of Plant Fiber Functional Materials， Fuzhou，Fujian Province， 350108 		350108
LI Jianguo* College of Material Engineering，Fujian Agriculture and Forestry University， Fuzhou， Fujian Province， 350108
National Forestry and Grassl and Administration Key Lab of Plant Fiber Functional Materials， Fuzhou，Fujian Province， 350108 		350108
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Abstract:In this study， the renewable and low-cost cellulose was used for preparing the ion-exchange membrane via a simple dissolution and generation process with bamboo dissolving pulp as raw material， where the resultant cellulose membrane with an ionic conductivity of 0.099 mS/cm. The results showed that the lower thickness of cellulose membrane achieved the high performance of salinity-gradient power generation. At 500 times salt-concentration difference， the cellulose membrane with a low thickness of 32 μm， showed the open circuit voltage of -119 mV， short circuit current of 132.4 μA and output power density of 16.33 mW/m2.
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