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US4024036A
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Proton permselective solid-state member and apparatus utilizing said permselective member
Assignee: National Institute of Advanced Industrial Science and Technology
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Filing: 1976-01-28
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Granted: 1977-05-17
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Expires: 1996-01-28
Abstract
Abstract Disclosed is a proton permselective solid-state member which is formed of a heteropoly acid represented by the generic formula, Hm[Xx.Yy.Oz].nH2O, or a salt thereof. Said permselective member can be used as an electrolyte in the fuel cell and as a permselective membrane in the hydrogen gas refining system.
Inventors
- 👤 Osamu Nakamura
- 👤 Teruo Kodama
- 👤 Isao Ogino
- 👤 Yoshizo Miyake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:58
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/05; H01M10/056; H01M10/0561; H01M10/0562; C; C25; C25B; C25B13/00; C25B13/04; C25B13/05; H01M8/00; H01M8/10; H01M8/1004; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
144 words
A proton permselective solid-state member, formed by shaping at least one member selected from the group consisting of heteropoly acids represented by the generic formula: H.sub.m [X.sub.x Y.sub.y O.sub.z ].sup.. nH.sub.2 O wherein, X stands for at least one member selected from the group consisting of boron, aluminum, gallium, silicon, germanium, tin, phosphorus, arsenic, antimony, bismuth, selenium, tellurium, iodine and transition metals belonging to the fourth, fifth and sixth periods of the Periodic Table, Y is at least one member selected from transition metals belonging to the fourth, fifth, and sixth periods of the Periodic Table, and wherein m has a value of from 2 to 10, y has a value of from 1 to 12, n has a value of from 3 to 100 all based on X taken as 1 and z has a positive numerical value and salts of said acids.
Claim 2
Dependent Claim
144 words
A proton permselective solid-state member, formed by shaping at least one member selected from the group consisting of heteropoly acids represented by the generic formula: H.sub.m [X.sub.x Y.sub.y O.sub.z ].sup.. nH.sub.2 O wherein, X stands for at least one member selected from the group consisting of boron, aluminum, gallium, silicon, germanium, tin, phosphorus, arsenic, antimony, bismuth, selenium, tellurium, iodine and transition metals belonging to the fourth, fifth and sixth periods of the Periodic Table, Y is at least one member selected from transition metals belonging to the fourth, fifth, and sixth periods of the Periodic Table, and wherein m has a value of from 2 to 10, y has a value of from 1 to 12, n has a value of from 3 to 100 all based on X taken as 1 and z has a positive numerical value and salts of said acids.
Claim 3
Dependent Claim
22 words
The permselective member according to claim 1, wherein different transition metals are used as the substituents X and Y of the formula.
Claim 4
Dependent Claim
31 words
The permselective member according to claim 1, wherein said shaping of a heteropoly acid or salt thereof is carried out under a pressure of not less than 100 kg/cm 2 .
Claim 5
Dependent Claim
29 words
The permselective member according to claim 3, wherein said shaping under pressure is carried out after a fluorine resin has been incorporated into the heteropoly acid or salt thereof.
Claim 6
Dependent Claim
20 words
The permselective member according to claim 4, wherein said fluorine resin is incorporated in the amount of 0.5% by weight.
Claim 7
Independent Claim
179 words
An apparatus having an anode chamber and a cathode chamber separated from each other by a partition wall provided with catalysts and leading wires on the surfaces thereof facing said anode and cathod chambers, said partition wall being an article obtained by shaping at least one member selected from the group consisting of heteropoly acids represented by the generic formula: H.sub.m [X.sub.x Y.sub.y O.sub.z ].sup.. nH.sub.2 O wherein, X stands for at least one member selected from the group consisting of boron, aluminum, gallium, silicon, germanium, tin, phosphorus, arsenic, antimony, bismuth, selenium, tellurium, iodine and transition metals belonging to the fourth, fifth and sixth periods of the Periodic Table, Y for at least one member selected from transition metals belonging to the fourth, fifth and sixth periods of the Periodic Table, and wherein m has a value of from 2 to 10, y has a value of from 1 to 12, n has a value of from 3 to 100, all based on X as taken 1 and z has a positive numerical value and salts of said acids.
Claim 8
Independent Claim
179 words
An apparatus having an anode chamber and a cathode chamber separated from each other by a partition wall provided with catalysts and leading wires on the surfaces thereof facing said anode and cathod chambers, said partition wall being an article obtained by shaping at least one member selected from the group consisting of heteropoly acids represented by the generic formula: H.sub.m [X.sub.x Y.sub.y O.sub.z ].sup.. nH.sub.2 O wherein, X stands for at least one member selected from the group consisting of boron, aluminum, gallium, silicon, germanium, tin, phosphorus, arsenic, antimony, bismuth, selenium, tellurium, iodine and transition metals belonging to the fourth, fifth and sixth periods of the Periodic Table, Y for at least one member selected from transition metals belonging to the fourth, fifth and sixth periods of the Periodic Table, and wherein m has a value of from 2 to 10, y has a value of from 1 to 12, n has a value of from 3 to 100, all based on X as taken 1 and z has a positive numerical value and salts of said acids.
Claim 9
Dependent Claim
33 words
The apparatus according to claim 6, further comprising means for supplying hydrogen gas to said anode chamber and oxygen gas to said cathode chamber, whereby electromotive force is detected through said leading wires.
Claim 10
Dependent Claim
44 words
The apparatus according to claim 6, further comprising means for supplying steam to said anode chamber and hydrogen gas to said cathode chamber and means for applying DC voltage to said partition wall for the purpose of electrolyzing said steam, whereby hydrogen is recovered.
Claim 11
Dependent Claim
55 words
The apparatus according to claim 6, further comprising means for supplying hydrogen-containing gas to said anode chamber and hydrogen gas to said cathode chamber and means for applying DC voltage to said partition wall for the purpose of causing proton alone in said anode chamber to penetrate into said cathode chamber, whereby hydrogen is purified.
Claim 12
Dependent Claim
38 words
The apparatus according to claim 6, further comprising means for supplying hydrogen gas to said anode chamber and oxygen-containing gas to said cathode chamber and a voltmeter connected to said leading wires, whereby existence of oxygen is detected.
Claim 13
Dependent Claim
38 words
The apparatus according to claim 6, further comprising means for supplying oxygen gas to said anode chamber and hydrogen-containing gas to said cathode chamber and a voltmeter connected to said leading wires, whereby existence of hydrogen is detected.
Claim 14
Dependent Claim
23 words
The apparatus according to claim 10, whereby the partial pressure of the oxygen is measured by the electromotive force indicated in said voltmeter.
Claim 15
Dependent Claim
23 words
The apparatus according to claim 11, whereby the partial pressure of the hydrogen is measured by the electromotive force indicated in said voltmeter.
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) | 1980-05-16 | 1980-11-15 | 1981-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-16 | 1984-11-15 | 1985-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-16 | 1988-11-15 | 1989-05-17 | $7700.00 | Window Closed / Lapsed |