Technical Briefs

Development of Dual-Cell Structured Polymer Electrolyte Membrane Fuel Cell Stack

[+] Author and Article Information
Hwa-Seob Song

e-mail: mrsong1@hyosung.com

Jong-Chul Hong

e-mail: jongchulhong@hyosung.com

Gyu-Jin Jang

e-mail: ejang@hyosung.com

Hui-Jeong Son

e-mail: july22@hyosung.com

Seong-Ho Han

e-mail: hshfc@hyosung.com
Power & Industrial Systems R&D Center,
Hyosung Corporation,
Gyeonggi-Do, 431-080 South Korea

Contributed by the Advance Energy Systems Division of ASME for publication in the Journal of Fuel Cell Science and Technology. Manuscript received October 26, 2012; final manuscript received April 16, 2013; published online June 17, 2013. Assoc. Editor: Ken Reifsnider.

J. Fuel Cell Sci. Technol 10(4), 044502 (Jun 17, 2013) (3 pages) Paper No: FC-12-1113; doi: 10.1115/1.4024568 History: Received October 26, 2012; Revised April 16, 2013; Accepted May 15, 2013

In this study, Hyosung demonstrates how a dual-cell structured polymer electrolyte membrane fuel cells (PEMFC) can guarantee the development of a stack with enlarged active area and cost innovation without a change in electrochemical performance and operation conditions. The insertion of insulation part within the bipolar plate and divided membrane electrode assemblies allowed the two individual cells in single layer. This enables the development of highly cost effective stack for PEMFC of a 1 kW class for residential power generators. The decrease in the number of layers can be represented as a cost reduction. We developed a stack of 24 layers with 48 cells, 48 V at open circuit voltage (OCV) and achieved a performance rating of 0.75 V per cell at 250 mA/cm2.

Copyright © 2013 by ASME
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Grahic Jump Location
Fig. 1

Schematic illustration of dual-cell structured PEMFC stack

Grahic Jump Location
Fig. 2

A typical current-voltage curve obtained using DCS unit cell

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Fig. 3

Current density-voltage (filled dots) and power density (empty dots) plots of the stacks




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