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Transient changes in the power output from the concentration difference cell (dialytic battery) between seawater and river water

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  • Suda, F.
  • Matsuo, T.
  • Ushioda, D.

Abstract

Experimental study on the concentration difference cell between seawater and river water (dialytic battery) has been made with special attention to the transient change in the power output. The cell consists of 59 compartments made with 29 ion-exchange membrane pairs, each of which has an effective area of 80cm2 per sheet. It has been found that the voltage drop across the load decreases exponentially with two different short and long time constants, of which values are about 50 and 800s, respectively. Accordingly the power also decreased to about one fourth (from 259 to 68.9mW/m2 pair) after sufficient time passed. These transient behaviors have been successfully interpreted by the capacitor-type equivalent circuit model. From comparisons between the experimental and the model results, values of the internal resistance and two kinds of capacitor were determined, of which values were 114Ω, 1.35 and 66.4F, respectively. It was suggested that the short and long time constants came from charge double layers formed at the cathode and the anode, respectively. Measurements of potential difference between saline water compartments in the case with and without external current by reference electrodes showed that voltage losses occurred due to the concentration polarization near the ion-exchange membranes and the activation polarization at the electrode surfaces.

Suggested Citation

  • Suda, F. & Matsuo, T. & Ushioda, D., 2007. "Transient changes in the power output from the concentration difference cell (dialytic battery) between seawater and river water," Energy, Elsevier, vol. 32(3), pages 165-173.
    • Handle: RePEc:eee:energy:v:32:y:2007:i:3:p:165-173
    DOI: 10.1016/j.energy.2006.04.005
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    Citations

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    Cited by:

    1. Kim, Juwan & Kim, Sung Jin & Kim, Dong-Kwon, 2013. "Energy harvesting from salinity gradient by reverse electrodialysis with anodic alumina nanopores," Energy, Elsevier, vol. 51(C), pages 413-421.
    2. Wang, Y. & Wang, H. & Wan, C.Q., 2018. "The effect of colloids on nanofluidic power generation," Energy, Elsevier, vol. 160(C), pages 863-867.
    3. Jia, Zhijun & Wang, Baoguo & Song, Shiqiang & Fan, Yongsheng, 2014. "Blue energy: Current technologies for sustainable power generation from water salinity gradient," Renewable and Sustainable Energy Reviews, Elsevier, vol. 31(C), pages 91-100.
    4. Chanda, Sourayon & Tsai, Peichun Amy, 2019. "Numerical simulation of renewable power generation using reverse electrodialysis," Energy, Elsevier, vol. 176(C), pages 531-543.
    5. Avci, Ahmet H. & Tufa, Ramato A. & Fontananova, Enrica & Di Profio, Gianluca & Curcio, Efrem, 2018. "Reverse Electrodialysis for energy production from natural river water and seawater," Energy, Elsevier, vol. 165(PA), pages 512-521.
    6. Kang, Byeong Dong & Kim, Hyun Jung & Lee, Moon Gu & Kim, Dong-Kwon, 2015. "Numerical study on energy harvesting from concentration gradient by reverse electrodialysis in anodic alumina nanopores," Energy, Elsevier, vol. 86(C), pages 525-538.
    7. Wu, Xi & Zhang, Xinjie & Xu, Shiming & Gong, Ying & Yang, Shuaishuai & Jin, Dongxu, 2021. "Performance of a reverse electrodialysis cell working with potassium acetate−methanol−water solution," Energy, Elsevier, vol. 232(C).
    8. Tufa, Ramato Ashu & Pawlowski, Sylwin & Veerman, Joost & Bouzek, Karel & Fontananova, Enrica & di Profio, Gianluca & Velizarov, Svetlozar & Goulão Crespo, João & Nijmeijer, Kitty & Curcio, Efrem, 2018. "Progress and prospects in reverse electrodialysis for salinity gradient energy conversion and storage," Applied Energy, Elsevier, vol. 225(C), pages 290-331.
    9. Jeong, Hoe-In & Kim, Hyun Jung & Kim, Dong-Kwon, 2014. "Numerical analysis of transport phenomena in reverse electrodialysis for system design and optimization," Energy, Elsevier, vol. 68(C), pages 229-237.

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