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Regenerative Hydrogen Chlorine Fuel Cell Model Jason Rugolo, Brian Huskinson, Michael J. Aziz
 

Summary: Regenerative Hydrogen Chlorine Fuel Cell Model
Jason Rugolo, Brian Huskinson, Michael J. Aziz
Harvard School of Engineering and Applied Sciences, 29 Oxford St., Cambridge, MA 02138, USA
keywords: hydrogen chlorine fuel cell; model; efficiency; regenerative; electricity storage; max-
imum power density.

Corresponding Author. maziz@harvard.edu. phone: +1 (617) 495-9884. fax: +1 (617) 495-9837.
Abstract
We develop a model of the regenerative hydrogen-chlorine fuel cell, in which hy-
drogen is transported through a polymer electrolyte membrane (PEM) and the
chlorine electrode is exposed to bubble-train flow of chlorine gas bubbles in hy-
drochloric acid. The model includes the four voltage loss mechanisms of hydro-
gen activation, chlorine activation, chlorine electrode mass transport, and Nafion
ohmic loss. The model provides the cell potential vs. current density as a function
of the two "operating parameters" (OPs) of temperature and acid concentration
and the five "engineering parameters" (EPs) of hydrogen exchange current den-
sity, chlorine exchange current density, PEM thickness, HCl(aq) film thickness,
and cell pressure. Searches in OP space yield performance extrema, and further
investigating of EP space yields performance sensitivity. We identify chlorine elec-
trode activation as the dominant contribution to the loss for low current density,

  

Source: Aziz, Michael J.- School of Engineering and Applied Sciences, Harvard University

 

Collections: Physics; Materials Science