Patent US4489049A successfully refreshed from Google Patents.
US4489049A
Expired / Lapsed
US
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Solid state hydrogen pumping and storage material
Assignee: United States Department of the Navy
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Filing: 1982-06-09
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Granted: 1984-12-18
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Expires: 2002-06-09
Abstract
Abstract A solid-state hydrogen storage system. A layer of an amorphous binary metallloy of a lanthanide and iron, nickel or cobalt is disposed on a suitable substrate and overcoated with palladium metal.
Inventors
- 👤 Donald W. Forester
- 👤 Peter Lubitz
- 👤 Carmine Vittoria
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:12
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/0005; C01B3/001; C01B3/0084; C01B3/0078; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/32; Y10; Y10S; Y10S420/00; Y10S420/90; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12556; Y10T428/12569; Y10T428/12597; Y10T428/12771; Y10T428/12861; Y10T428/12875
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
61 words
A solid-state material for storing hydrogen comprising: a substrate suitable for the deposition of metal films; a storage layer film of an amorphous binary alloy of a lanthanide and a second metal selected from the group consisting of iron, nickel and cobalt, wherein said storage layer is disposed upon said substrate; and a palladium metal layer film overcoating said storage layer.
Claim 2
Dependent Claim
61 words
A solid-state material for storing hydrogen comprising: a substrate suitable for the deposition of metal films; a storage layer film of an amorphous binary alloy of a lanthanide and a second metal selected from the group consisting of iron, nickel and cobalt, wherein said storage layer is disposed upon said substrate; and a palladium metal layer film overcoating said storage layer.
Claim 3
Dependent Claim
27 words
The solid-state material recited in claim 1 wherein: the thickness of said palladium metal layer is in the range of about 10 angstroms to about 30 angstroms.
Claim 4
Dependent Claim
36 words
The solid-state material recited in claim 2 wherein: the ratio of said lanthanide to said second metal in said amorphous binary alloy is in the range of about 2 to 1 to about 1 to 9.
Claim 5
Dependent Claim
26 words
The solid-state material recited in claim 3 wherein: the thickness of said storage layer is in the range of about 1,000 Angstroms to about 35,000 Angstroms.
Claim 6
Dependent Claim
24 words
The solid-state material recited in claim 4 wherein: said lanthanide is selected from the group consisting of gadolinium (Gd), terbium (Tb) and dysprosium (Dy).
Claim 7
Dependent Claim
13 words
The solid-state material recited in claim 5 wherein: said second metal is iron.
Claim 8
Dependent Claim
49 words
A solid-state material for storing hydrogen comprising: a substrate suitable for the deposition of metal films; a storage layer film of an amorphous binary alloy of iron and a lanthanide, wherein said storage layer is disposed on said substrate; and a palladium metal layer film overcoating said storage layer.
Claim 9
Dependent Claim
49 words
A solid-state material for storing hydrogen comprising: a substrate suitable for the deposition of metal films; a storage layer film of an amorphous binary alloy of iron and a lanthanide, wherein said storage layer is disposed on said substrate; and a palladium metal layer film overcoating said storage layer.
Claim 10
Dependent Claim
26 words
The solid-state material recited in claim 7 wherein: the thickness of said storage layer is in the range of about 1,000 Angstroms to about 35,000 Angstroms.
Claim 11
Dependent Claim
26 words
The solid-state material recited in claim 8 wherein: the thickness of said palladium layer is in the range of about 10 Angstroms to about 30 Angstroms.
Claim 12
Dependent Claim
29 words
The solid-state material recited in claim 9 wherein: the ratio of iron to said second metal is in the range of about 1 to 2 to 9 to 1.
Claim 13
Dependent Claim
25 words
The solid state material recited in claim 10 wherein: said lanthanide is selected from the group consisting of gadolinium (Gd), terbium (Tb) and dysprosium (Dy).
Claim 14
Independent Claim
139 words
A method of scavenge pumping hydrogen gas from a chamber, said method comprising the steps of: producing a solid-state storage material comprising a substrate suitable for the deposition of metal film, a storage layer film of an amorphous binary alloy of a lanthanide and a second metal selected from the group of consisting of iron, nickel and cobalt, wherein said storage layer is disposed upon said substrate; and a palladium metal layer film overcoating said storage layer; exposing said hydrogen gas in said chamber to said solid state storage material wherein the temperature of said solid state storage material is less than about 80° C., sealing said chamber from said solid state storage material; and discharging said hydrogen gas from said solid state storage material by heating said solid state storage material to a temperature above about 80° C.
Claim 15
Independent Claim
139 words
A method of scavenge pumping hydrogen gas from a chamber, said method comprising the steps of: producing a solid-state storage material comprising a substrate suitable for the deposition of metal film, a storage layer film of an amorphous binary alloy of a lanthanide and a second metal selected from the group of consisting of iron, nickel and cobalt, wherein said storage layer is disposed upon said substrate; and a palladium metal layer film overcoating said storage layer; exposing said hydrogen gas in said chamber to said solid state storage material wherein the temperature of said solid state storage material is less than about 80° C., sealing said chamber from said solid state storage material; and discharging said hydrogen gas from said solid state storage material by heating said solid state storage material to a temperature above about 80° C.
Claim 16
Dependent Claim
57 words
A method of scavenge pumping hydrogen gas from a chamber as recited in claim 12, wherein said step of providing a solid state storage matferial comprises the step of: providing a storage material with a palladium metal layer film overcoating said storage layer to a thickness in the range of about 10 angstroms to about 30 angstroms.
Claim 17
Dependent Claim
53 words
A method of scavenge pumping hydrogen gas from a chamber as recited in claim 13, wherein said step of providing a solid state storage material comprises the step of: providing a storage layer having a ratio of said lanthanide to said second metal of about 2 to 1 to about 1 to 9.
Claim 18
Dependent Claim
47 words
A method of scavenge pumping hydrogen gas from a chamber as recited in claim 14, wherein said step of providing a solid state storage material comprises the step of: providing a storage layer having a thickness in the range of about 1,000 angstroms to about 35,000 angstroms.
Claim 19
Dependent Claim
35 words
A method of scavenge pumping hydrogen gas from a chamber as recited in claim 15, wherein said step of providing a solid state storage material comprises the step of: selecting iron as said second metal.
Claim 20
Dependent Claim
43 words
A method of scavenge pumping hydrogen gas from a chamber as recited in claim 15, wherein said step of providing a solid state storage material comprises the step of: selecting said lanthanide from the group of gadolinium (GD), terbium (Tb) and dysprosium (Dy).
Claim 21
Dependent Claim
35 words
A method of scavenge pumping hydrogen gas from a chamber as recited in claim 17 wherein said step of providing a solid state storage material comprises the step of: selecting iron as said second metal.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-12-18 | 1988-06-18 | 1988-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-12-18 | 1992-06-18 | 1992-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-12-18 | 1996-06-18 | 1996-12-18 | $7700.00 | Window Closed / Lapsed |