METHOD OF OPERATING AN HTM FUEL CELL

摘要

A method for operating an HTM fuel cell and to a fuel cell battery. An electrolyte of the fuel cell contains phosphoric acid, a normal freezing point of which is 42° C. The freezing point is reduced by adding at least water as an additive to such an extent that the start/stop operation of the fuel cell, as is required, for example, in mobile fuel cell applications, can be achieved.