Overview of Biohydrogen Production Technologies and Application in Fuel Cell

摘要

Hydrogen gas is clean and efficient energy carrier. Currently, hydrogen is produce by carbon-based non-renewable source such as natural gases, coal, heavy oil and naptha as well as from electrolysis of water. However, the productions of hydrogen from fossil fuels generate greenhouse gases and require high energy. Thus, it is important to develop alternative hydrogen production routes that are renewable such as biohydrogen. In this paper, a review of biohydrogen production technologies including the mechanism and bioreactor system, and the hydrogen purification system is focused and discussed for the application of polymer electrolyte membrane fuel cell (PEMFC). Besides that, the bioreactor sizes that require generating hydrogen to power the PEMFC stack is calculated and compared in order to determine the potential application of hydrogen production through the biological pathway.