US4278466A
Expired / Lapsed
US
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Titanium alloy composition and method for the storage of hydrogen
Assignee: Battelle Memorial Institute Inc
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Filing: 1979-11-09
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Granted: 1981-07-14
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Expires: 1999-11-09
Abstract
Abstract A titanium-iron-type alloy for the storage of hydrogen having an atomic composition corresponding to the formula TiwFexM'yM''z in which M' is a substituent for iron from the transition metals of group Vb or group VIb of the periodic system, M'' is another iron substituent selected from the group which consists of nickel and manganese but which is nickel when M' is chromium and y and z are each between 0.01 and 0.2; w, representing the atomic concentration of titanium is at least equal to the sum x+y+z. The alloy can be charged with hydrogen, stored and desorbed from hydrogen.
Inventors
- 👤 Olivier de Pous
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:06
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/0005; C01B3/001; C01B3/0018; C01B3/0031; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/32; Y10; Y10S; Y10S420/00; Y10S420/90
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
107 words
A titanium-iron based alloy for the storage of hydrogen having the formula: Ti.sub.w Fe.sub.x M'.sub.y M".sub.z wherein M' is a metal selected from the group consisting of chromium and vanadium and having an ability to render a titanium-iron based alloy substantially nonoxidizable in the presence of oxidizing impurities in the hydrogen to be stored; M" is a metal selected from the group consisting of nickel and manganese but is nickel where M' is chromium and is capable of promoting absorption of hydrogen in the alloy; y and z are each 0.01 to 0.2; and w is at least equal to the sum of x, y, and z.
Claim 2
Dependent Claim
107 words
A titanium-iron based alloy for the storage of hydrogen having the formula: Ti.sub.w Fe.sub.x M'.sub.y M".sub.z wherein M' is a metal selected from the group consisting of chromium and vanadium and having an ability to render a titanium-iron based alloy substantially nonoxidizable in the presence of oxidizing impurities in the hydrogen to be stored; M" is a metal selected from the group consisting of nickel and manganese but is nickel where M' is chromium and is capable of promoting absorption of hydrogen in the alloy; y and z are each 0.01 to 0.2; and w is at least equal to the sum of x, y, and z.
Claim 3
Dependent Claim
22 words
The alloy defined in claim 1 wherein M' is selected from the group consisting of chromium and vanadium and M" is nickel.
Claim 4
Dependent Claim
14 words
The alloy defined in claim 1 wherein M' is chromium and M" is nickel.
Claim 5
Dependent Claim
14 words
The alloy defined in claim 1 wherein M' is vanadium and M" is nickel.
Claim 6
Dependent Claim
14 words
The alloy defined in claim 1 wherein M' is vanadium and M" is manganese.
Claim 7
Independent Claim
175 words
A method of storing hydrogen which comprises the following steps: (a) forming a titanium-iron based alloy having the formula Ti.sub.w Fe.sub.x M'.sub.y M".sub.z wherein M' is a metal selected from the group consisting of chromium and vanadium and having an ability to render a titanium-iron based alloy substantially nonoxidizable in the presence of oxidizing impurities in the hydrogen to be stored; M" is a metal selected from the group consisting of nickel and manganese but is nickel where M' is chromium and is capable of promoting absorption of hydrogen in the alloy; y and z are each 0.01 to 0.2; and w is at least equal to the sum of x, y and z; (b) contacting said alloy with hydrogen at a temperature and pressure sufficient to effect the absorption of hydrogen by the alloy; (c) storing the alloy upon its absorption of hydrogen; (d) subjecting the alloy subsequent to step (c) to pressure and temperature conditions sufficient to desorb hydrogen therefrom; and (e) repeating steps (b), (c) and (d) over a multiplicity of cycles.
Claim 8
Independent Claim
175 words
A method of storing hydrogen which comprises the following steps: (a) forming a titanium-iron based alloy having the formula Ti.sub.w Fe.sub.x M'.sub.y M".sub.z wherein M' is a metal selected from the group consisting of chromium and vanadium and having an ability to render a titanium-iron based alloy substantially nonoxidizable in the presence of oxidizing impurities in the hydrogen to be stored; M" is a metal selected from the group consisting of nickel and manganese but is nickel where M' is chromium and is capable of promoting absorption of hydrogen in the alloy; y and z are each 0.01 to 0.2; and w is at least equal to the sum of x, y and z; (b) contacting said alloy with hydrogen at a temperature and pressure sufficient to effect the absorption of hydrogen by the alloy; (c) storing the alloy upon its absorption of hydrogen; (d) subjecting the alloy subsequent to step (c) to pressure and temperature conditions sufficient to desorb hydrogen therefrom; and (e) repeating steps (b), (c) and (d) over a multiplicity of cycles.
Claim 9
Dependent Claim
22 words
The method defined in claim 6 wherein M' is selected from the group consisting of chromium and vanadium and M" is nickel.
Claim 10
Dependent Claim
14 words
The method defined in claim 6 wherein M' is chromium and M" is nickel.
Claim 11
Dependent Claim
14 words
The method defined in claim 6 wherein M' is vanadium and M" is nickel.
Claim 12
Dependent Claim
14 words
The method defined in claim 6 wherein M' is vanadium and M" is manganese.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-07-13 | 1985-01-12 | 1985-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-07-13 | 1989-01-12 | 1989-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-07-13 | 1993-01-12 | 1993-07-14 | $7700.00 | Window Closed / Lapsed |