Abstract

Today more than 80% of the energy consumed worldwide is based on fossil fuels. It is undisputable that the resulting CO₂ release has unwanted environmental consequences, such as global warming. In addition, fossil fuels are inherently limited. Therefore, developing a benign, unlimited energy system based on renewable resources represents one of the major challenges for the future. Among the different concepts for alternative energy carriers, the development of a “hydrogen-economy” has been proposed. In this respect in recent years, the use of biomass for hydrogen production has attracted much attention. Here, the dehydrogenation of bioalcohols and carbohydrates shows high potential. In the past, significant progress for this process has been achieved by using heterogeneous catalysts.

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