Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.9/746
Título: Metallic hydrides: a hydrogen storage option?
Autor: Rangel, C. M.
Fernandes, Vitor R.
Palavras-chave: Hydrogen storage
Metal hydrides
Data: 9-Mai-2008
Citação: Rangel, C. M.; Fernandes, Vitor R. Metallic hydrides: a hydrogen storage option? In: International Workshop Hydrogen as an Energy Carrier, INEGI, Porto, 9 May 2008
Resumo: The development of a safe and efficient way to store hydrogen that may exhibit good gravimetric and volumetric efficiencies is considered instrumental to hydrogen utilization as an alternative to fossil fuels. Furthermore, cost, safety and ease of production must be considered when evaluating storage options. Currently, no available system satisfies the requirements for wide scale acceptance. Some metallic systems allow reversible absorption/desorption of hydrogen, at temperatures and pressures suitable for practical applications. Currently, metallic hydrides based on intermetallic alloys are the most studied storage options for applications where weight is not an issue, representing more compact systems (by factor of 3x) when compared with high pressure compressed gas. In this work, the general mechanism of hydrogenation of metallic systems is discussed highlighting the potential for improvements and limitations. Examples of AB5 and AB type intermetallics will be given.
URI: http://hdl.handle.net/10400.9/746
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