摘要:
A novel method to increase volumetric hydrogen storage capacity for Pt/AC materials, which comprises a material providing step, an acid washing step, a glucose mixing step, a pellet pressing step combining liquefaction and carbonization, a impurity removing step, a mixed solution introducing step, and a washing and filtering step to provide a method for high quality hydrogen storage material production by supporting platinum on active carbon.
摘要:
A method of forming a hydrogen storage structure is disclosed, which comprises: providing a porous material formed by micropores and nanochannels, wherein said micropores have a size less than 2 nm and a volumetric ratio larger than 0.2 cm3/g, said nanochannels have a width less than 2.5 nm, and fractal networks formed by said nanochannels have a fractal dimension closed to 3; to form an oxidized porous material by oxidation of said porous material and to properly increase and tailor sizes of said micropores and nanochannels; and forming metal particles of diameters less than 2 nm in said micropores and said nanochannels of said oxidized porous material. By the method according to the present invention, it is capable of constructing a hydrogen storage structure with room-temperature hydrogen storage capability of almost 6 wt %, which satisfies the on-board target criteria of DOE in America by 2010.
摘要:
The present invention provides a high capacity hydrogen storage material in which a plural mesopore channels and fractal networks of nanopore channels communicating therewith and connecting to the micropores are formed in a microporous material, wherein a plural metal particles are formed on the surface of the mesopore and nanopore channels and of the micropores. In another embodiment, the present invention also provides a method for making the hydrogen storage material through oxidizing the microporous material so as to form a plural mesopore channels and fractal networks of nanopore channels, both of which are connected to the micropores to form a base for the deposition of metal particles capable of decomposing hydrogen molecules into hydrogen atoms. The high capacity hydrogen storage material is capable of increasing the capacity of hydrogen storage, and besides, the oxidizing process for making the hydrogen storage material is simple and has merits of saving cost.
摘要:
A novel method to increase volumetric hydrogen storage capacity for Pt/AC materials, which comprising a providing material step, an acid washing step, a glucose mixing step, a pellet pressing step combining liquefaction and carbonization, a removing impurity step, a introducing mixed solution step, and a washing and filtering step to provide a method for high quality hydrogen storage material production by supporting platinum on active carbon.
摘要:
This invention provides a dynamic hydrogen-storage apparatus and the method thereof, which includes the following steps: (a) filling a container with a porous hydrogen-storage material which is loaded or doped with a catalyst; (b) setting an operational pressure and a pressure drop for the operation of storing hydrogen; (c) providing the hydrogen-storage material with a hydrogen so as to increase the pressure of the hydrogen to the operational pressure; (d) decreasing the pressure of the hydrogen by the pressure drop; and (e) repeating steps (c) and (d) for a predetermined amount of times.
摘要:
The present invention provides a high capacity hydrogen storage material in which a plural mesopore channels and fractal networks of nanopore channels communicating therewith and connecting to the micropores are formed in a microporous material, wherein a plural metal particles are formed on the surface of the mesopore and nanopore channels and of the micropores. In another embodiment, the present invention also provides a method for making the hydrogen storage material through oxidizing the microporous material so as to form a plural mesopore channels and fractal networks of nanopore channels, both of which are connected to the micropores to form a base for the deposition of metal particles capable of decomposing hydrogen molecules into hydrogen atoms. The high capacity hydrogen storage material is capable of increasing the capacity of hydrogen storage, and besides, the oxidizing process for making the hydrogen storage material is simple and has merits of saving cost.
摘要:
The present invention relates to a gas-assisted hydrogen desorption method and apparatus, and more particularly, to a method for desorbing hydrogen from a self-catalyzing hydrogen storage material that is assisted by a carrier gas so as to further enable the portion of hydrogen containing in the self-catalyzing hydrogen storage material that can not be desorbed by conventional hydrogen desorption methods to be desorbed, and thus increase the amount of hydrogen to be released from the a self-catalyzing hydrogen storage material.
摘要:
This invention provides a dynamic hydrogen-storage apparatus and the method thereof, which includes the following steps: (a) filling a container with a porous hydrogen-storage material which is loaded or doped with a catalyst; (b) setting an operational pressure and a pressure drop for the operation of storing hydrogen; (c) providing the hydrogen-storage material with a hydrogen so as to increase the pressure of the hydrogen to the operational pressure; (d) decreasing the pressure of the hydrogen by the pressure drop; and (e) repeating steps (c) and (d) for a predetermined amount of times.
摘要:
The present invention relates to a gas-assisted hydrogen desorption method and apparatus, and more particularly, to a method for desorbing hydrogen from a self-catalyzing hydrogen storage material that is assisted by a carrier gas so as to further enable the portion of hydrogen containing in the self-catalyzing hydrogen storage material that can not be desorbed by conventional hydrogen desorption methods to be desorbed, and thus increase the amount of hydrogen to be released from the a self-catalyzing hydrogen storage material.
摘要:
The present invention provides a method for constructing a fractal network structure in hydrogen storage material to improve the hydrogen uptake at room temperature, the method including the following steps: providing a hydrogen storage material comprising a source and a receptor of hydrogen atoms, wherein the source is disposed above the receptor, and a chemical bridge is disposed between the source and the receptor, wherein the chemical bridge is composed of precursor material; and treating the hydrogen storage material to construct a fractal network structure of mesopores and micropores in the receptor, so as to enhance the hydrogen storage capacity of the hydrogen storage material at room temperature.