Experimental investigation on serpentine, parallel and novel zig-zag flow fields for effective water removal and enhanced performance on 25 cm2 PEMFC

Muthukumar Marappan; Magesh Kannan Vijayakrishnanb; Karthikeyan Palaniswamy; Karthikeyan Manoharan; Thanarajan Kumaresan; Jyothis Arumughan

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자료유형: 학술저널

저자정보: Muthukumar Marappan (Nandha Engineering College) Magesh Kannan Vijayakrishnanb (PSG College of Technology) Karthikeyan Palaniswamy (PSG College of Technology) Karthikeyan Manoharan (PSG College of Technology) Thanarajan Kumaresan (PSG College of Technology) Jyothis Arumughan (Assam Engineering College)

저널정보: 한양대학교 세라믹공정연구센터 Journal of Ceramic Processing Research Journal of Ceramic Processing Research 제22권 제2호

발행연도: 2021.1

수록면: 131 - 142 (12page)

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Water management is decisive in the commercialisation of Polymer Electrolyte Membrane Fuel cells (PEMFCs) as poor watermanagement leads to reduced performance and reliability. Hence, this work deals with effective water management andphysically examines water removed at cathode outlet in 25 cm2 PEMFC of land width by channel width of 2 × 2. Sixcombinations among flow fields such as parallel without slope, parallel with slope, serpentine and a novel parallel zigzag withslope are used for experimentation. Experimental results disclose that inducing cross flow among reactants, increasingexposure area of uncompressed MEA with reacting gases and backpressure increases the performance while slope at cathodeincreases the water removal rate of PEMFC. The novel flow field when used at the cathode with the serpentine flow field atanode accumulates advantages of the flow fields considered and enhanced the performance by about 23% than conventionalserpentine flow fields due to the induced flow non-uniformity, under rib convection and better water removal rate. Additionally, to enhance the water removal and performance a silicon dioxide based ceramic ink is spray coated on thegraphite plate to increase its hydrophobicity. As the electrical conductivity of silicon dioxide, a key constituent in thehydrophobic coating is limited, a blend of 2% graphene by weight with the ceramic ink is also attempted along with thedurability of these flow fields for twelve hours of continuous operation.

#Zig Zag Flow Field #Back Pressure #Slope in Flow Field #Cross Flow in Reactants #Ceramic ink coating #Durability Studies

참고문헌 (38)

참고문헌 신청

고범수 / 2016 / Platinum catalysts on KOH-treated multi-walled carbon nanotubes for PEM fuel cell nano sized dense structured electrodes / Journal of Ceramic Processing Research 17(4):332~337

Seoung-Ju Lee / 2017 / Geometric reconstruction and numerical analysis for characterization of transport properties at various levels of water saturation in micro/nano structure of catalyst layers / Journal of Ceramic Processing Research 18(9):666~670

M. Karthikeyan / 2019 / Optimization of active area of proton exchange membrane fuel cell with better water management / Journal of Ceramic Processing Research 20(5):490~498

N. Bunmark / 2010 / J. Power Sources 35(13):6887~6896

J. Zhang / 2010 / Int. J. Green Energy 7(5):461~474

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