Influence of Anode Diffusion Layer on the Performance of a Passive Direct Ethanol Fuel Cell
DOI:
https://doi.org/10.48048/tis.2024.7867Keywords:
Direct ethanol fuel cell (DEFC), Passive fuel cell, Diffusion layer (DL), Microporous layer (MPL), Electrochemical impedance spectroscopy (EIS)Abstract
One of the main challenges with passive direct ethanol fuel cells (DEFCs) is ethanol transport management since the liquid ethanol is supplied to the anode compartment by natural processes including convection and diffusion with a low cell operating condition. The significant layer in the cell is the diffusion layer (DL), which facilitates reactants to reach the anode catalyst layer (CL). In this study, the impact of various DLs fabricated of readily accessible commercial materials on cell performance in passive DEFCs with different ethanol feed concentrations was examined with various in-situ characterization methods. The results demonstrate that the cell with a DL coated by the hydrophobic microporous layer (MPL) yielded the best performance of 0.887 mW·cm-2 at the optimal ethanol feed concentration of 5 M. In conclusion, the benefits of enhancing ethanol mass transfer to the anode CL would outweigh the drawbacks of preventing ethanol crossover to the cathode.
HIGHLIGHTS
- The effect of the anode diffusion layer (DL) on passive direct ethanol fuel cell (DEFC) performance was determined
- Five different anode DLs fabricated of readily accessible commercial materials were employed
- Various characterizations enabled the assessment of each loss affecting the passive DEFC performance
- The cell with an anode DL modified with a hydrophobic microporous layer (MPL) exhibited the best cell performance
- The optimal ethanol feed concentration of the best cell was found to be 5 M
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K Elsaid, S Abdelfatah, AMA Elabsir, RJ Hassiba, ZK Ghouri and L Vechot. Direct alcohol fuel cells: Assessment of the fuel’s safety and health aspects. Int. J. Hydrogen Energ. 2021; 46, 30658-68.
MHD Sá, AMFR Pinto and VB Oliveira. Passive small direct alcohol fuel cells for low-power portable applications: Assessment based on innovative increments since 2018. Energies 2022; 15, 3787.
DM Fadzillah, SK Kamarudin, MA Zainoodin and MS Masdar. Critical challenges in the system development of direct alcohol fuel cells as portable power supplies: An overview. Int. J. Hydrogen Energ. 2018; 44, 3031-54.
SS Munjewar, SB Thombre and RK Mallick. Approaches to overcome the barrier issues of passive direct methanol fuel cell - review. Renew. Sust. Energ. Rev. 2017; 67, 1087-104.
VB Oliveira, JP Pereira and AMFR Pinto. Effect of anode diffusion layer (GDL) on the performance of a passive direct methanol fuel cell (DMFC). Int. J. Hydrogen Energ. 2016; 41, 19455-62.
MA Abdelkareem, A Allagui, ET Sayed, EH Assad, Z Said and K Elsaid. Comparative analysis of liquid versus vapor-feed passive direct methanol fuel cells. Renew. Energ. 2019; 131, 563-84.
MA Abdelkareem, ET Sayed and N Nakagawa. Significance of diffusion layers on the performance of liquid and vapor feed passive direct methanol fuel cells. Energy 2020; 209, 118492.
KA Nagy, IY Tóth, G Ballai, ÁT Varga, I Szenti, D Sebők, J Kopniczky, B Hopp and Á Kukovecz. Wetting and evaporation on a carbon cloth type gas diffusion layer for passive direct alcohol fuel cells. J. Mol. Liq. 2020; 304, 112698.
T Yuan, J Yang, Y Wang, H Ding, X Li, L Liu and H Yang. Anodic diffusion layer with graphene-carbon nanotubes composite material for passive direct methanol fuel cell. Electrochim Acta 2014; 147, 265-70.
W Yuan, B Zhou, J Hu, J Deng, Z Zhang and Y Tang. Passive direct methanol fuel cell using woven carbon fiber fabric as mass transfer control medium. Int. J. Hydrogen Energ. 2015; 40, 2326-33.
BC Ong, SK Kamarudin, MS Masdar and UA Hasran. Applications of graphene nano-sheets as anode diffusion layers in passive direct methanol fuel cells (DMFC). Int. J. Hydrogen Energ. 2017; 42, 9252-61.
M Boni, SS Rao, GN Srinivasulu and ChV Narayana. Effect of anode gas diffusion layer thickness and porosity on the performance of passive direct methanol fuel cell. Chem. Prod. Process Model. 2019; 14, 20190029.
BA Braz, VB Oliveira and AMFR Pinto. Experimental evaluation of the effect of the anode diffusion layer properties on the performance of a passive direct methanol fuel cell. Energies 2020; 13, 5198.
MS Alias, SK Kamarudin, AM Zainoodin and MS Masdar. Structural mechanism investigation on methanol crossover and stability of a passive direct methanol fuel cell performance via modified micro-porous layer. Int. J. Energ. Res. 2021; 45, 12928-43.
SPS Badwal, S Giddey, A Kulkarni, J Goel and S Basu. Direct ethanol fuel cells for transport and stationary applications - A comprehensive review. Appl. Energ. 2015; 145, 80-103.
S Song, W Zhoua, Z Liang, R Cai, G Sun, Q Xin, V Stergiopoulos and P Tsiakaras. The effect of methanol and ethanol cross-over on the performance of PtRu/C-based anode DAFCs. Appl. Catal. B Environ. 2005; 55, 65-72.
N Fujiwara, Z Siroma, S Yamazaki, T Ioroi, H Senoh and K Yasuda. Direct ethanol fuel cells using an anion exchange membrane. J. Power Sourc. 2008; 185, 621-6.
N Shaari, SK Kamarudin, R Bahru, SH Osman and NAIM Ishak. Progress and challenges: Review for direct liquid fuel cell. Int. J. Energ. Res. 2021; 45, 6644-88.
BA Braz, CS Moreira, VB Oliveira and AMFR Pinto. Electrochemical impedance spectroscopy as a diagnostic tool for passive direct methanol fuel cells. Energ. Rep. 2022; 8, 7964-5.
F Jing, R Sun, S Wang, H Sun and G Sun. Effect of the anode structure on the stability of a direct methanol fuel cell. Energ. Fuel 2020; 34, 3850-7.
A Alrashidi and H Liu. Laser-peforated anode gas diffusion layers for direct methanol fuel cells. Int. J. Hydrogen Energ. 2021; 46, 4622-9.
M Haskul, AT Ulgen and A Doner. Fabrication and characterization of Ni modified TiO2 electrode as anode material for direct methanol fuel cell. Int. J. Hydrogen Energ. 2020; 45, 4860-74.
H Wu, H Zhang, P Chen, J Guo, T Yuan, J Zheng and H Yang. Integrated anode structure for passive direct methanol fuel cells with neat methanol operation. J. Power Sourc. 2014; 248, 1264-9.
K Zuo and Z Yuan. Design and experimental analysis of a dual-cavity high-concentration adaptive passive micro direct methanol fuel cell. Int. J. Energ. Res. 2021; 45, 5359-68.
J Prabhuram, NN Krishnan, B Choi, TH Lim, HY Ha and SK Kim. Long-term durability test for direct methanol fuel cell made of hydrocarbon membrane. Int. J. Hydrogen Energ. 2010; 35, 6924-33.
F Liu and CY Wang. Water and methanol crossover in direct methanol fuel cells - effect of anode diffusion media. Electrochim Acta 2008; 53, 5517-22.
J Cao, M Chen, J Chen, S Wang, Z Zou, Z Li, DL Akins and H Yang. Double microporous layer cathode for membrane electrode assembly of passive direct methanol fuel cells. Int. J. Hydrogen Energ. 2010; 35, 4622-9.
J Cao, L Wang, L Songa, J Xu, H Wang, Z Chen, Q Huang and H Yang. Novel cathodal diffusion layer with mesoporous carbon for the passive direct methanol fuel cell. Electrochim Acta 2014; 118, 163-8.
P Ekdharmasuit, J Sapkitjakarn, P Sangwanangkool, A Bampenrat and H Sukkathanyawat. Performance study on cathode microporous layer using biomass activated carbon for passive direct ethanol fuel cell. J. Ecol. Eng. 2023, 24, 214-24.
VB Oliveira, DS Falcão, CM Rangel and AMFR Pinto. Water management in a passive direct methanol fuel cell. Int. J. Energ. Res. 2012, 37, 991-1001.
P Ekdharmasuit, A Therdthianwong and S Therdthianwong. The role of an anode microporous layer in direct ethanol fuel cells at different ethanol concentrations. Int. J. Hydrogen Energ. 2014; 39, 1775-82.
P Ekdharmasuit, A Therdthianwong and S Therdthianwong. Anode structure design for generating high stable power output for direct ethanol fuel cells. Fuel 2013; 113, 69-76.
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