CN105236351A - Sodium-borohydride hydrolysis hydrogen-supplying method and apparatus thereof - Google Patents
Sodium-borohydride hydrolysis hydrogen-supplying method and apparatus thereof Download PDFInfo
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- CN105236351A CN105236351A CN201510589625.0A CN201510589625A CN105236351A CN 105236351 A CN105236351 A CN 105236351A CN 201510589625 A CN201510589625 A CN 201510589625A CN 105236351 A CN105236351 A CN 105236351A
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- sodium borohydride
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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Abstract
The invention provides a sodium-borohydride hydrolysis hydrogen-supplying method and an apparatus thereof. The apparatus comprises a sodium borohydride storage chamber (3), a hydrogen-producing chamber (7) and a hollow joint (2); the sodium borohydride storage chamber (3) is connected with the hydrogen-producing chamber (7) via a separation plate (4); the separation plate (4) comprises a separation lining plate, a rotary disk and a button (5), when hydrogen is supplied, the button (5) is turned for enabling the rotary disk rotates relative to the separation lining plate, thus a sodium borohydride solution stored in the sodium borohydride storage chamber (3) flows into the hydrogen-producing chamber (7) via a channel formed by a first through hole and a second through hole; when the sodium borohydride solution is contacted with a catalyst in the hydrogen-producing chamber (7), hydrogen is generated; and hydrogen enters the sodium borohydride storage chamber (3) via the channel formed by the first through hole and the second through hole, and then enters hydrogen using equipment via the hollow joint (2). According to the technical scheme, the cost is low, and also on-site preparation and utilization of high-purity hydrogen are realized.
Description
Technical field
The present invention relates to a kind of sodium borohydride hydrogen manufacturing and hydrogen supply device and method thereof, belong to the preparation and application technical field of fuel cell.
Background technology
World energy sources survey of organization shows, the traditional energy comprising coal, oil, Sweet natural gas etc. will exhaust in 100 ~ 200 years of future, and traditional energy is also because the safety environment problem can not evaded in its use procedure is subject to countries in the world extensive concern.Be that the new energy use technology of Typical Representative arises at the historic moment with fuel cell, and constantly developed.
Fuel cell (FuelCell) is a kind of power generation assembly chemical energy be present in fuel and oxygenant being converted into electric energy.Fuel and air or oxygen send fuel cell to respectively, and electricity is just produced rumly.It exteriorly has positive and negative electrode and ionogen etc., and as a store battery, but it can not " accumulate " but one " power station " in fact.Hydrogen-oxygen fuel cell is the device chemical energy be stored in hydrogen being converted into electric energy, have that structure is simple, high-efficiency cleaning, the advantages such as start-up temperature is low, quiet noiselessness are the prioritizing selection of the electrical source of power such as automobile, communication base station and other portable electric appts.In the past in the more than ten years, fuel cell technology achieves important breakthrough, and the volume and weight specific power density of battery is significantly improved.But traditional hydrogen manufacturing, Chu Qing, hydrogenation facility basis costliness, seriously hinder the commercialization process of fuel cell car.
As the hydrogen of energy carrier, it is numerous that it produces mode, produces by modes such as chemistry, biology or electrolysis.The transport of hydrogen can pass through Hydrogen Line, compression hydrogen tank car or liquid hydrogen tank car.But hydrogen under normal conditions volume energy density is very low, even high-pressure gaseous storage, liquefaction hydrogen storage or metal hydride and chemical hydride storage, transport and storage requisite space than other common energy height a lot, add difficulty and the expense of hydrogen transport.Sodium borohydride hydrolysis or alcoholysis hydrogen manufacturing are on-the-spot hydrogen producing technologies more popular at present, have lot of advantages, as: low in raw material price, product environmental friendliness, not discharge of noxious gases; Hydrogen-storage density is high; Delivery, store, safe and convenient to use; The hydrogen purity of preparation is high; Use middle poisoning without electrode catalyst of fuel cell; The hydrogen release etc. in sodium borohydride just can be made without the need to external energy.By being that the research of the relevant sodium borohydride hydrolysis such as CN1O1353155A, CN1O2101645A, CN1O3552982A, CN201268575Y, CN201305456Y, CN203238030U or alcoholysis hydrogen-manufacturing reactor finds to the published patent No., the device of Hydrogen production from sodium borohydride cost also can be reduced at present further without any a device.
Summary of the invention
Goal of the invention: the invention provides a kind of sodium borohydride hydrolyzation hydrogen supplying method and device thereof, overcome a difficult problem for the high expensive of existing Hydrogen production from sodium borohydride, the aspects such as the transport of reaction raw materials, the use of highly active non-precious metal catalyst, the storage of institute's hydrogen, support equipment when using are considered to the restriction of hydrogen manufacturing cost, and successfully carry out technology and capture, a kind of hydrogen manufacturing that effectively can reduce sodium borohydride further and the device with hydrogen system cost are proposed, i.e. a kind of disposable sodium borohydride hydrolyzation hydrogen supplying device.Under normal storage state, hydrogen feedstock being housed---the sodium borohydride holding tank of sodium borohydride solution is assigned to by division plate dish between the two with the hydrogen manufacturing groove that catalyst for preparing hydrogen is housed; During use, the universal threaded interface direct on device top inserts corresponding hydrogen production device, then the knob realization separation liner plate turning rotating disk docks with six holes of division plate, can realize formed in-situ and the utilization of High Purity Hydrogen.
For achieving the above object, the technical solution used in the present invention is:
A kind of sodium borohydride hydrolyzation hydrogen supplying device, comprises sodium borohydride locker room (3), hydrogen making room (7), hollow connector (2); Described sodium borohydride locker room (3) is connected by division plate dish (4) with hydrogen making room (7); One end of described hollow connector (2) is fixed on the side that sodium borohydride locker room (3) deviates from hydrogen making room (7), and the other end of hollow connector (2) is provided with silica gel plug (1); Described hydrogen making room (7) bottom is provided with the catalyzer of catalysis preparing hydrogen by sodium borohydride hydrolysis; Described division plate dish (4) comprises separates liner plate, rotating disk and knob (5), described separation liner plate fixes with sodium borohydride locker room (3) and hydrogen making room (7) respectively, and sodium borohydride locker room (3) and hydrogen making room (7) are separated, and be mutually rotationally connected between described rotating disk and separation liner plate, driven by knob (5) when described rotating disk rotates mutually with separation liner plate simultaneously, and described knob (5) is arranged on the outside surface of sodium borohydride locker room (3) or hydrogen making room (7); Described separation liner plate is provided with the first through hole, and described rotating disk is provided with second through hole corresponding with the first through hole, when rotating disk and separation liner plate rotate mutually, when first through hole and the second through hole stagger mutually, close the communicating passage of sodium borohydride locker room (3) and hydrogen making room (7); Rotating disk is rotated further with separation liner plate, when the first through hole and the second through hole are mutually to hole, opens the communicating passage of sodium borohydride locker room (3) and hydrogen making room (7); Described sodium borohydride locker room (3), hollow connector (2) all adopt polypropylene material to make; The making material of described separation liner plate and rotating disk is the polypropylene of alkali corrosion resistance.
Preferred: described hollow connector (2) is provided with outside screw, during use, be connected with hydrogen storage equipment by outside screw.
Preferred: the first through hole number on described separation liner plate is 6, and described first through hole is uniformly distributed along separating liner plate circumference.
Preferred: the sodium borohydride solution that described sodium borohydride locker room (3) stores contains the sodium borohydride aqueous solution that concentration is 3wt% sodium hydroxide and 15wt%.
Preferred: described catalyzer is foam Co, foam Mo-Co alloy, foam Ni carry Co, cyclization carries one or more mixture in Ru.
A kind of sodium borohydride hydrolyzation hydrogen supplying method, rotate knob (5), rotating disk is rotated mutually with separation liner plate, until when the first through hole and the second through hole are mutually to hole, the sodium borohydride solution stored in sodium borohydride locker room (3) flow in hydrogen making room (7) by the passage that the first through hole and the second through hole are formed; When catalyst exposure in sodium borohydride solution and hydrogen making room (7), produce hydrogen; Hydrogen enters in sodium borohydride locker room (3) via the passage that the first through hole and the second through hole are formed, then is entered into by the hollow connector (2) in sodium borohydride locker room (3) and use hydrogen storage equipment.
A kind of sodium borohydride hydrolyzation hydrogen supplying method provided by the invention and device thereof, compared to existing technology, have following beneficial effect:
Because described sodium borohydride locker room (3) is connected by division plate dish (4) with hydrogen making room (7); One end of described hollow connector (2) is fixed on the side that sodium borohydride locker room (3) deviates from hydrogen making room (7), and the other end of hollow connector (2) is provided with silica gel plug (1); Described hydrogen making room (7) bottom is provided with the catalyzer of catalysis preparing hydrogen by sodium borohydride hydrolysis; Described division plate dish (4) comprises separates liner plate, rotating disk and knob (5), described separation liner plate fixes with sodium borohydride locker room (3) and hydrogen making room (7) respectively, and sodium borohydride locker room (3) and hydrogen making room (7) are separated, and be mutually rotationally connected between described rotating disk and separation liner plate, driven by knob (5) when described rotating disk rotates mutually with separation liner plate simultaneously, and described knob (5) is arranged on the outside surface of sodium borohydride locker room (3) or hydrogen making room (7); Described separation liner plate is provided with the first through hole, and described rotating disk is provided with second through hole corresponding with the first through hole, when rotating disk and separation liner plate rotate mutually, when first through hole and the second through hole stagger mutually, close the communicating passage of sodium borohydride locker room (3) and hydrogen making room (7); Rotating disk is rotated further with separation liner plate, when the first through hole and the second through hole are mutually to hole, opens the communicating passage of sodium borohydride locker room (3) and hydrogen making room (7); Described sodium borohydride locker room (3), hollow connector (2) all adopt polypropylene material to make; The making material of described separation liner plate and rotating disk is the polypropylene of alkali corrosion resistance, and therefore it is with low cost, achieves formed in-situ and the utilization of High Purity Hydrogen simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of sodium borohydride hydrolyzation hydrogen supplying device of the present invention;
Wherein, 1 is silica gel plug, and 2 is hollow connector, and 3 is sodium borohydride locker room, and 4 is division plate dish, and 5 is knob, and 6 is catalyzer, and 7 is hydrogen making room.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described.
A kind of sodium borohydride hydrolyzation hydrogen supplying device, as shown in Figure 1, comprises sodium borohydride locker room 3, hydrogen making room 7, hollow connector 2; Described sodium borohydride locker room 3 is connected by division plate dish 4 with hydrogen making room 7; The sodium borohydride solution that described sodium borohydride locker room 3 stores contains the sodium borohydride aqueous solution that concentration is 3wt% sodium hydroxide and 15wt%.One end of described hollow connector 2 is fixed on the side that sodium borohydride locker room 3 deviates from hydrogen making room 7, and the other end of hollow connector 2 is provided with silica gel plug 1; Described hollow connector 2 is provided with outside screw, during use, pulls out silica gel plug 1, is connected by outside screw with hydrogen storage equipment.The catalyzer of catalysis preparing hydrogen by sodium borohydride hydrolysis is provided with bottom described hydrogen making room 7; Described catalyzer is foam Co, foam Mo-Co alloy, foam Ni carry Co, cyclization carries one or more mixture in Ru.Described division plate dish 4 comprises separates liner plate, rotating disk and knob 5, described separation liner plate fixes with hydrogen making room 7 with sodium borohydride locker room 3 respectively, and sodium borohydride locker room 3 is separated with hydrogen making room 7, and be mutually rotationally connected between described rotating disk and separation liner plate, driven by knob 5 when described rotating disk rotates mutually with separation liner plate simultaneously, and described knob 5 is arranged on the outside surface of sodium borohydride locker room 3 or hydrogen making room 7; Described separation liner plate is provided with the first through hole, the first through hole number on described separation liner plate is 6, and described first through hole is uniformly distributed along separating liner plate circumference, and described rotating disk is provided with second through hole corresponding with the first through hole, when rotating disk and separation liner plate rotate mutually, when first through hole and the second through hole stagger mutually, close the communicating passage of sodium borohydride locker room 3 and hydrogen making room 7; Rotating disk is rotated further with separation liner plate, when the first through hole and the second through hole are mutually to hole, opens the communicating passage of sodium borohydride locker room 3 and hydrogen making room 7; Described sodium borohydride locker room 3, hollow connector 2 all adopt polypropylene material to make; The making material of described separation liner plate and rotating disk is the polypropylene of alkali corrosion resistance.
A kind of sodium borohydride hydrolyzation hydrogen supplying method, rotate knob 5, rotating disk is rotated mutually with separation liner plate, until when the first through hole and the second through hole are mutually to hole, the sodium borohydride solution stored in sodium borohydride locker room 3 flow in hydrogen making room 7 by the passage that the first through hole and the second through hole are formed; When catalyst exposure in sodium borohydride solution and hydrogen making room 7, produce hydrogen; The passage that hydrogen is formed via the first through hole and the second through hole enters in sodium borohydride locker room 3, then is entered into by the hollow connector 2 in sodium borohydride locker room 3 and use hydrogen storage equipment.
The present invention specifically comprises following design:
Module one, PP (polypropylene) threaded connector: what adopt is that polypropylene (PP) material with characteristics such as acid and alkali-resistance, corrosion-resistant, heat insulating ability good, degradability is good is made, threaded connector is the universal models circulated in market is ZG1/4, the slitless connection between relevant hydrogen production device can be realized, prevent the leakage of hydrogen in use procedure.Under normal storage state, the top of threaded connector adds the silica gel plug of the acid-alkali-corrosive-resisting of corresponding size (MSWP series, luxuriant triumphant silicone gasket plug, Guangdong Zhong Shan), to prevent leakage and the pollution of reaction raw materials; During use, take off silica gel plug, direct insertion use can be realized.
Module two, sodium borohydride storing chamber: select cylindric PP (polypropylene) storing chamber that connects integrated with hickey, the volume of locker room is 0.8L, and floorage is 80cm
2.Sodium borohydride (the production code member: 80115860 that purity is 96% is buied on the net from Chinese reagent, China's reagent net, Shanghai is tried) solid particulate, with deionized water dissolving, the sodium borohydride aqueous solution concentration stored in locker room is 15wt%, in order to effectively prevent the hydrolysis of sodium borohydride aqueous solution in storage process, thus eliminate the potential safety hazard of the chamber inner high voltage that the sodium borohydride hydrogen of explaining generation by oneself brings to device, sodium borohydride aqueous solution in locker room also has the sodium hydroxide (production code member: 10019762 of 3wt% simultaneously, China's reagent net, Shanghai is tried).
Module three, division plate dish, comprises and separates liner plate and rotating disk, all adopt the PP of acid-alkali-corrosive-resisting (polypropylene) material to be prepared from.Separate liner plate and rotating disk and all there are six circular ports separated at equal intervals, both six equally spaced circular hole tracks (to separate centered by the liner plate center of circle, radius is the circle of 3cm) overlap, size (circle hole radius: 1cm) is identical; The diameter of circular hole is slightly less than the gap length between holes, completely isolated with realization response stoste and catalyzer.Under normal preservation state, separate the hole of liner plate and rotating disk without docking; Use in disposable sodium borohydride hydrolyzation hydrogen supplying device hydrogen production process, by the rotation of rotating disk, carry out rotating disk with separate liner plate to hole, to provide the feeding-passage of sodium borohydride solution and to control the feed rate of sodium borohydride solution.
Module four, the hydrogen making room that hydrogen making room: PP makes and sodium borohydride locker room are that integrated mode connects, in hydrogen making room side have cheap, catalytic activity good there is good hydrophobicity performance and physical strength, not adsorbed hydrogen, alkali corrosion resistance, and the non-supported base metal that aperture is flourishing, specific surface area is large or non-metallic catalyst, as foam Co, foam Mo-Co alloy etc.; Also the optional wire netting in order to various carbon material, porous, plastic wire are the loaded porous catalyst of support of the catalyst, as foam Ni carry Co, cyclization carries Ru etc.After separation liner plate docks with rotating disk six sky, reaction stoste in locker room enters hydrogen making room, a large amount of hydrogen is prepared rapidly under catalyst action, cell channels successively by division plate dish under the pressure effect of the hydrogen prepared in hydrogen making room, locker room and PP threaded connector, directly supply has using with hydrogen storage equipment of corresponding size interface.
From the above, a kind of sodium borohydride hydrolyzation hydrogen supplying device of the present invention, this device the whole body adopts low price, good heat resistance and the preparation of the PP of acid-alkali-corrosive-resisting (polypropylene) material, and the reaction raw materials that device carries is few, moderate dimensions quality is light, easy to carry; Can be used as disposable product to use.The catalyzer adopted is the non-precious metal catalyst of high-specific surface area, and catalytic activity is high.Only relevant for the insertion of the universal threaded interface direct on device top need be used hydrogen production device during use, realize separating liner plate by the rotating disk in the middle part of wheelwork to dock with six holes of rotating disk, a large amount of preparation and the use of high-purity hydrogen can be realized, treat that the sodium borohydride hydrogen manufacturing in device is complete, more renew.Carrying on a small quantity of reaction raw materials, reduces transportation cost; The use of highly active non-precious metal catalyst, reduces catalysis cost; The direct utilization of institute's hydrogen, eliminates higher than support equipment required when storing and use, reduces equipment cost.The reduction of above-mentioned cost, has effectively captured to a certain extent and has restricted the cost barrier of borohydride hydrogen making technology in portable fuel battery power unit and fuel cell car application for a long time
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. a sodium borohydride hydrolyzation hydrogen supplying device, is characterized in that: comprise sodium borohydride locker room (3), hydrogen making room (7), hollow connector (2); Described sodium borohydride locker room (3) is connected by division plate dish (4) with hydrogen making room (7); One end of described hollow connector (2) is fixed on the side that sodium borohydride locker room (3) deviates from hydrogen making room (7), and the other end of hollow connector (2) is provided with silica gel plug (1); Described hydrogen making room (7) bottom is provided with the catalyzer of catalysis preparing hydrogen by sodium borohydride hydrolysis; Described division plate dish (4) comprises separates liner plate, rotating disk and knob (5), described separation liner plate fixes with sodium borohydride locker room (3) and hydrogen making room (7) respectively, and sodium borohydride locker room (3) and hydrogen making room (7) are separated, and be mutually rotationally connected between described rotating disk and separation liner plate, driven by knob (5) when described rotating disk rotates mutually with separation liner plate simultaneously, and described knob (5) is arranged on the outside surface of sodium borohydride locker room (3) or hydrogen making room (7); Described separation liner plate is provided with the first through hole, and described rotating disk is provided with second through hole corresponding with the first through hole, when rotating disk and separation liner plate rotate mutually, when first through hole and the second through hole stagger mutually, close the communicating passage of sodium borohydride locker room (3) and hydrogen making room (7); Rotating disk is rotated further with separation liner plate, when the first through hole and the second through hole are mutually to hole, opens the communicating passage of sodium borohydride locker room (3) and hydrogen making room (7); Described sodium borohydride locker room (3), hollow connector (2) all adopt polypropylene material to make; The making material of described separation liner plate and rotating disk is the polypropylene of alkali corrosion resistance.
2. sodium borohydride hydrolyzation hydrogen supplying device according to claim 1, be is characterized in that: described hollow connector (2) is provided with outside screw, during use, is connected by outside screw with hydrogen storage equipment.
3. sodium borohydride hydrolyzation hydrogen supplying device according to claim 1, is characterized in that: the first through hole number on described separation liner plate is 6, and described first through hole is uniformly distributed along separating liner plate circumference.
4. sodium borohydride hydrolyzation hydrogen supplying device according to claim 1, is characterized in that: the sodium borohydride solution that described sodium borohydride locker room (3) stores contains the sodium borohydride aqueous solution that concentration is 3wt% sodium hydroxide and 15wt%.
5. sodium borohydride hydrolyzation hydrogen supplying device according to claim 1, is characterized in that: described catalyzer is foam Co, foam Mo-Co alloy, foam Ni carry Co, cyclization carries one or more mixture in Ru.
6. one kind based on the arbitrary described sodium borohydride hydrolyzation hydrogen supplying method of claim 1 to 5, it is characterized in that: rotate knob (5), rotating disk is rotated mutually with separation liner plate, until when the first through hole and the second through hole are mutually to hole, the sodium borohydride solution stored in sodium borohydride locker room (3) flow in hydrogen making room (7) by the passage that the first through hole and the second through hole are formed; When catalyst exposure in sodium borohydride solution and hydrogen making room (7), produce hydrogen; Hydrogen enters in sodium borohydride locker room (3) via the passage that the first through hole and the second through hole are formed, then is entered into by the hollow connector (2) in sodium borohydride locker room (3) and use hydrogen storage equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510589625.0A CN105236351A (en) | 2015-09-16 | 2015-09-16 | Sodium-borohydride hydrolysis hydrogen-supplying method and apparatus thereof |
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| CN201510589625.0A CN105236351A (en) | 2015-09-16 | 2015-09-16 | Sodium-borohydride hydrolysis hydrogen-supplying method and apparatus thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109081306A (en) * | 2018-10-15 | 2018-12-25 | 中国船舶重工集团公司第七0五研究所 | A kind of hydrogen generator of slow-release hydrogen manufacturing |
| CN109415204A (en) * | 2016-06-29 | 2019-03-01 | 太仓克莱普沙能源科技有限公司 | Device |
| CN111232922A (en) * | 2020-03-23 | 2020-06-05 | 西安迈进能源科技有限公司 | Sodium borohydride hydrolysis hydrogen plant |
-
2015
- 2015-09-16 CN CN201510589625.0A patent/CN105236351A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109415204A (en) * | 2016-06-29 | 2019-03-01 | 太仓克莱普沙能源科技有限公司 | Device |
| CN109415204B (en) * | 2016-06-29 | 2022-03-29 | 太仓克莱普沙能源科技有限公司 | Device for measuring the position of a moving object |
| CN109081306A (en) * | 2018-10-15 | 2018-12-25 | 中国船舶重工集团公司第七0五研究所 | A kind of hydrogen generator of slow-release hydrogen manufacturing |
| CN111232922A (en) * | 2020-03-23 | 2020-06-05 | 西安迈进能源科技有限公司 | Sodium borohydride hydrolysis hydrogen plant |
| CN111232922B (en) * | 2020-03-23 | 2021-11-30 | 西安迈进能源科技有限公司 | Sodium borohydride hydrolysis hydrogen plant |
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Application publication date: 20160113 |