The electrical heating requires oxygen

This is how fuel cell heating works

The principle of fuel cell heating is comparable to that of a battery. Because one happens here too chemical reaction between two electrodes. With fuel cell heating, however, the “chemicals” hydrogen and oxygen are continuously supplied from the outside. While the anode is supplied with hydrogen, the cathode is supplied with oxygen.

The hydrogen molecules are on the anode side with the help of a catalyst split into positively charged hydrogen ions and negative electrons. The electron then migrates through a conductor to the cathode and current flows. At the same time, the hydrogen ion diffuses by an electrolyte, which separates the two gases in order to avoid an oxyhydrogen reaction. The hydrogen ion then combines with the oxygen in the air on the cathode side, whereby Thermal energy and water vapor arises.

At this "Cold" merging the heat is generated, which is then extracted via a cooling circuit and made usable for heating purposes. In addition to the heat, the flow of electrons also generates a usable voltage source To realize this, several fuel cells are connected in series to form so-called stacks. A distinction is made between high-temperature fuel cells and hydrogen directly in the fuel cell at high heat from the natural gas can be obtained, and low-temperature fuel cells, in which the hydrogen in one upstream reforming process must be extracted from its respective chemical compounds. Smaller fuel cell heaters therefore belong to the type of low-temperature fuel cells.