Chemical bridges for enhancing hydrogen storage by spillover and methods for forming the same
First Claim
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1. A composition for hydrogen storage, comprising:
- a transition metal supported on an activated carbon support, the transition metal supported on the activated carbon support serving as a source of hydrogen atoms via dissociation of hydrogen from the gas phase into the hydrogen atoms;
an activated carbon receptor adapted to receive hydrogen atoms that spill over from the source; and
a carbon bridge formed between the transition metal supported on the activated carbon and the activated carbon receptor, the carbon bridge formed from a precursor material via pyrolysis;
wherein the transition metal is chosen from platinum, palladium, ruthenium, rhodium, nickel, copper, iron, and combinations thereof.
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Abstract
A composition for hydrogen storage includes a source of hydrogen atoms, a receptor, and a chemical bridge formed between the source and the receptor. The chemical bridge is formed from a precursor material. The receptor is adapted to receive hydrogen spillover from the source.
9 Citations
19 Claims
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1. A composition for hydrogen storage, comprising:
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a transition metal supported on an activated carbon support, the transition metal supported on the activated carbon support serving as a source of hydrogen atoms via dissociation of hydrogen from the gas phase into the hydrogen atoms; an activated carbon receptor adapted to receive hydrogen atoms that spill over from the source; and a carbon bridge formed between the transition metal supported on the activated carbon and the activated carbon receptor, the carbon bridge formed from a precursor material via pyrolysis; wherein the transition metal is chosen from platinum, palladium, ruthenium, rhodium, nickel, copper, iron, and combinations thereof. - View Dependent Claims (2, 3, 4)
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5. A method for forming a hydrogen storage composition, comprising:
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forming a mixture of a source of hydrogen atoms and a receptor configured to receive spillover from the hydrogen source, wherein; the source of hydrogen atoms is a transition metal supported on an activated carbon support; the transition metal supported on the activated carbon support serves as the source via dissociation of hydrogen from the gas phase into the hydrogen atoms; the transition metal is chosen from platinum, palladium, ruthenium, rhodium, nickel, copper, iron, and combinations thereof; and the receptor is an activated carbon receptor; adding a precursor material to the mixture; and heating the mixture having the precursor material therein, thereby forming a carbon bridge between the source and the receptor. - View Dependent Claims (6, 7, 8, 9, 10, 11)
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12. A method for storing hydrogen, comprising:
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forming a carbon bridge from a precursor material between a source of hydrogen atoms and a receptor configured to receive hydrogen from the source, wherein; the source of hydrogen atoms is a transition metal supported on an activated carbon support; the transition metal supported on the activated carbon support serves as the source via dissociation of hydrogen from the gas phase into the hydrogen atoms; the transition metal is chosen from platinum, palladium, ruthenium, rhodium, nickel, copper, iron, and combinations thereof; and the receptor is an activated carbon receptor; and dissociating hydrogen atoms from within the source, whereby the carbon bridge substantially enhances hydrogen spillover, thereby enhancing storage capacity. - View Dependent Claims (13, 14)
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15. A method for improving contact between a hydrogen spillover source and a receptor, comprising:
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forming a mixture of the source and the receptor, wherein; the hydrogen spillover source is a transition metal supported on an activated carbon support; the transition metal supported on the activated carbon support serves as the source via dissociation of hydrogen from the gas phase into hydrogen atoms; the transition metal is chosen from platinum, palladium, ruthenium, rhodium, nickel, copper, iron, and combinations thereof; and the receptor is an activated carbon receptor; adding a precursor material to the mixture; and heating the mixture having the precursor material therein, thereby forming a carbon bridge between the source and the receptor. - View Dependent Claims (16, 17, 18, 19)
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Specification