Posted: May 22nd, 2023
Considerable research has shown that Zirconium oxynitrides have a remarkable catalytic activity in the decomposition of Ammonia. In addition, hydrazine is not formed during the extended time on stream. On the quest to replace fossil fuels, particularly in mobile applications, hydrogen is one promising candidate every researcher is considering. Hydrogen usage in generation of power in major available fuel cells appears to be commonly agreed on. However, how to store hydrogen for mobile application is still a controversial debate. Small hydrogen containing molecules can be employed as hydrogen carriers in an on-board reforming process. Other requirements for the process include high-pressure, physisorbed hydrogen, and metal hydrides. There has been much talk on the reforming of fossil fuels based on ecological factors as well as whether it is economic viable. On the contrary, methanol for example is widely found and can be obtained from biomaterials or from methanol synthesis plants being operated at remote locations where hydrogen is easily available, for instance, from solar energy plants. Therefore, methanol has been voted as a suitable replacement for fossil fuels. However, methanol is linked to a major limitation of formation of carbon monoxide during the reforming process. Carbon monoxide causes fuel cell poisoning and therefore there is a need to remove it in downstream gas purification which reduces the overall efficiency of the reforming process. Another disadvantage is the formation of carbon dioxide which posses ecological concerns. Carbon dioxide is formed in the steam reforming process by carbon-containing hydrogen molecules.
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