INEXPENSIVE DIELECTRIC COOLANT FOR FUEL CELL STACKS

摘要

An inexpensive dielectric coolant for fuel cell stacks (1). The present invention is directed to a fuel cell, a fuel cell system, and methods for cooling a fuel cell and fuel cell system. The fuel cell is configured to react fuel with oxygen to generate an electric current and at least one reaction product and comprises an anode (11), an anode flowpath, a cathode (13), a cathode flowpath, and a membrane disposed between the anode and the cathode. At least one coolant flowpath (16) is fluidly decoupled from the anode and cathode flowpaths, and defines a coolant isolation manifold. The coolant isolation manifold includes a fluid dielectric coolant that comprises a kerosenic hydrocarbon, which can be kerosene or an emulsion of water in kerosene.