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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)。 |
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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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