CN101615683B - Fast hydrogen making device capable of automatically starting in power-down condition - Google Patents
Fast hydrogen making device capable of automatically starting in power-down condition Download PDFInfo
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- CN101615683B CN101615683B CN2009100402738A CN200910040273A CN101615683B CN 101615683 B CN101615683 B CN 101615683B CN 2009100402738 A CN2009100402738 A CN 2009100402738A CN 200910040273 A CN200910040273 A CN 200910040273A CN 101615683 B CN101615683 B CN 101615683B
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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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- 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
- Y02E60/50—Fuel cells
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Abstract
The invention discloses a fast hydrogen making device capable of automatically starting in a power-down condition. An aluminum powder container is communicated with a reactor through a first electromagnetic valve and a first flow control valve sequentially to ensure that aluminum powder in the aluminum powder container enters in the reactor; the grain diameter of the aluminum powder granules is 5 nm-20 mm; the reactor is a sealed container with sodium hydroxide solid filled in the lower end; a water pipe is sequentially connected with a second electromagnetic valve, a second flow control valve and a nozzle, wherein the nozzle is arranged at the upper end of the reactor to enable water to be sprayed into the reactor; the upper end of the reactor is provided with an aluminum powder filtering screen which is connected with a third electromagnetic valve through a pipeline; the third electromagnetic valve is connected with a third flow control valve; and the third flow control valve is connected with the cathode of a fuel battery generating system. The invention has the advantages of easily obtained and cheap raw materials, easily controlled reaction speed, simple structure, environmental-friendly and pollution-free product, safe and portable use and transportation, and the like.
Description
Technical field
The present invention relates to Preparation of Hydrogen, start the device of fast hydrogen making when particularly relating to a kind of the outage automatically, specifically is a kind of metallic aluminium powder is produced hydrogen with the water reaction in the presence of NaOH device.
Background technology
At chemical industry, petrochemical industry is widely used in food and the metallurgical industry hydrogen as a kind of important chemical substance, and Hydrogen Energy is a kind of very promising energy carrier.The hydrogen rapid economy development, stimulated the research of hydrogen storage material, but the hydrogen storage cost is very high, but also exist various safety problems, thereby develop small-sized, cheap, controlled, promptly open promptly produce, safe and reliable, can have very exigence with the hydrogen producing technology of fuel cell coupling.
The source of hydrogen roughly is divided into following several at present: water electrolysis hydrogen production, photochemistry hydrogen manufacturing, fossil fuel hydrogen manufacturing, biomass hydrogen preparation or the like.Electrolysis hydrogen producing process is simple, and is pollution-free, but consumes power is big; Photochemistry hydrogen manufacturing still is in the basic research stage at present; Fossil resource hydrogen producing technology maturation, good economy performance, but fossil resource is limited after all, and produce a large amount of accessory substance CO in the hydrogen production process
2Greenhouse gas; Biomass hydrogen preparation can provide clear energy sources, and is biomass energy storage and a kind of approach of concentrating, but shortcoming such as traditional bio-hydrogen production technology exists that energy consumption height, apparatus and process complexity, accessory substance are many, the separation of hydrogen and purification difficulty are big.In addition, NaBH
4Hydrolytic hydrogen production also is relatively ripe technology, but NaBH
4Cost is higher, recycles difficulty, is difficult to extensive use.
Metallic aluminium hydrogen manufacturing has a series of advantage, does not produce carbon containing and nitrogenous harmful substance in the course of reaction, the product environmental friendliness; The hydrogen storage content height of metallic aluminium is 10 times of hydride hydrogen-storing amount; The hydrogen purity height that is produced can not cause the poisoning of electrode catalyst of fuel cell; Characteristics such as aluminium reserves on earth is abundant, and it is extensive to have raw material sources, cheap.
The patent No. discloses a kind of preparation method and device thereof of hydrogen for the CN02104279.9 Chinese invention patent, and this method is with aluminium powder and the sodium hydroxide solution generation hydrogen that reacts.But in fact, NaOH has been catalytic action in aluminium powder hydrogen manufacturing, and product is aluminium hydroxide, not with situation that air contacts under, the amount of NaOH does not reduce.L.Sole etc. are (L. in the literature, Macanas J., Munoz M., Casado J., Hydrogen Generation from Aluminum in anon-consumable potassium hydroxide solution, Proceedings International Hydrogen EnergyCongress and Exhibition 2005, Istanbul, Turkey, 13-25 July 2005; Soler L., Macanas J.MunozM., Casado J., Aluminum and aluminum alloys as sources of hydrogen for fuel cell applications, Joumal of Power Sources, 169 (2007) 144-149) also proved this point.The main application scenario of aluminium powder hydrogen manufacturing at present is to be the hydrogen of supplying raw materials as the fuel-cell device of stand-by power supply.This device does not possess automatically actuated function of when outage, can not be implemented in when the power cut-off of being monitored to start voluntarily; Sodium hydroxide solution needs matching while using, might be by airborne CO
2Pollute.
2003, United States Patent (USP) (US Pat No.6,638,493B2) disclose a kind of method of producing hydrogen, disclose the catalytic action of NaOH under certain conditions, but this method can not realize the function of unlatching automatically, operate cumbersomely, and the purity of hydrogen is not high.
Summary of the invention
The objective of the invention is to overcome the shortcoming of prior art, can be conigenous the moving device that produces regime flow hydrogen that starts when a kind of the outage is provided immediately, realize on-the-spot hydrogen manufacturing and instant hydrogen supply.The raw material sources that adopt are extensive, cheap, and method is simple, the efficient height, and cost is low, and apparatus structure is simple.
Purpose of the present invention is achieved through the following technical solutions:
Automatically start the device of fast hydrogen making during a kind of the outage, the aluminium powder container of this device is communicated with reactor by first electromagnetically operated valve, first flow by-pass valve control and aluminium powder distributor successively, and the aluminium powder in the aluminium powder container is entered in the reactor; The grain diameter of aluminium powder is at 5nm-20mm; Reactor is an airtight container, and the lower end fills sodium hydrate solid; Water pipe is connected with second electromagnetically operated valve, second flow control valve and shower nozzle successively, and shower nozzle is arranged on the reactor upper end, and water is sprayed in the reactor; The reactor upper end is provided with the aluminium powder screen pack, and the aluminium powder screen pack is connected with the 3rd electromagnetically operated valve through piping, and the 3rd electromagnetically operated valve is connected with the 3rd flow control valve; The 3rd flow control valve is connected with the negative pole of fuel cell generation; When the supply of electric power of certain occasion was interrupted, this system started automatically, and the hydrogen supply of generation is given fuel cell, and the electric power that fuel cell sends substitutes the supply of electric power of interrupting.
For further realizing the object of the invention, described reactor upper end also is provided with safety valve and Pressure gauge.
Described aluminium powder screen pack through piping also with diffuse valve and be connected; The reactor upper end also is provided with the hydrogen filling valve; The hydrogen filling valve with diffuse the valve cooperating, before system reacts, will not be full of hydrogen in the container as follows:
(1) the hydrogen filling valve is connected with the inert gas source of the gas, opens the hydrogen filling valve and diffuses valve, utilizes the air in inert gas (as nitrogen) the purging container, closes filling valve and diffuses valve;
(2) the hydrogen filling valve is connected with hydrogen source gas, opens the hydrogen filling valve and diffuse valve, utilize the inert gas in the hydrogen purge container, make to be full of hydrogen and to keep pressure-fired in the container.
Described aluminium powder distributor is formed by the stainless steel tube bent downhole of a diameter 8-12 millimeter; Angle of bend 135 degree, the inclined tube partial-length is 1 times of reactor diameter, institute's hole diameter is 2-5mm, adjacent holes centre-to-centre spacing 10-15mm.
Described shower nozzle is the water distributor that is covered with the disk of circular hole; The circular hole aperture is 1-3mm, adjacent holes centre-to-centre spacing 4-6mm.
Hydrogen manufacturing principle of the present invention is:
2Al+6H
2O → 2Al (OH)
3↓+3H
2↑ (catalyst: NaOH)
Hydrogen production process of the present invention is not high to ingredient requirement, and general commercially available analysis net product gets final product.
Because it is raw material that the present invention adopts aluminium powder, specific area is bigger, and reaction rate is rapider, thus answer the flow velocity of strict control aluminium powder and water, so that obtain stable hydrogen flowing quantity.
When the supply of electric power in electricity consumption place is interrupted, the electromagnetically operated valve on control aluminium powder supply line, supply channel and hydrogen delivery tube road is opened automatically, aluminium powder in the container and running water are flowed into be contained with in the reactor of NaOH, aluminium powder and the water generation hydrogen that reacts under the catalytic action of NaOH.The flow of aluminium powder, running water and hydrogen can be regulated by the aperture of corresponding flow control valve on its pipeline.
With respect to prior art, the present invention has following advantage and useful technique effect:
1. because the high-specific surface area and the activity of aluminium powder make that reaction is more violent, be difficult to control, regulate the flow of aluminium powder and water by the aperture of flow control valve, by the amount of contact of control aluminium powder and water, thereby can effectively control reaction rate, and then obtain than the steady hydrogen flow.
2. NaOH is placed in the reactor, under the protection of hydrogen atmosphere, avoids being polluted by carbon dioxide in air, improves catalytic activity.
3. instant function of producing hydrogen when the present invention has realized outage, regime flow and highly purified hydrogen generate electricity for it for fuel cell provides comparatively, share with fuel cell, have realized the autostart function of stand-by power supply.The closure when electromagnetically operated valve that uses can be implemented in electricity, the function of opening automatically during outage, thus the scene of hydrogen is produced and is produced immediately after can realizing cutting off the power supply.
(4) purity of assurance hydrogen does not take place in system in the hydrogen production reaction, can utilize the hydrogen filling valve of system and diffuse valve to fill hydrogen in system, and the pressure in the maintenance reactor is pressure-fired.
(5) in the hydrogen delivery tube road flow control valve has been installed, the hydrogen that produces in the reactor outputs to fuel cell generation by flow control valve with it.
(6) hydrogen production process of the present invention, its product are aluminum hydroxide precipitation, can recycle.
Description of drawings
Fig. 1 is the apparatus structure schematic diagram of aluminium powder of the present invention and NaOH reaction;
Fig. 2 is the structural representation of aluminium powder distributor;
Fig. 3 is the A-A profile among Fig. 2;
Fig. 4 is the B-B profile among Fig. 2;
Fig. 5 is the structural representation of shower nozzle;
Fig. 6 is the C-C profile of Fig. 5;
Fig. 7 is the D-D profile of Fig. 6.
Embodiment
The invention will be further described below by way of embodiments and drawings, but need to prove that embodiment does not constitute the restriction to the claimed scope of the present invention.
As shown in Figure 1, automatically the device that starts fast hydrogen making during a kind of the outage comprises aluminium powder container 1, aluminium powder 2, first electromagnetically operated valve 3, second electromagnetically operated valve 5, the 3rd electromagnetically operated valve 11, first flow by-pass valve control 4, second flow control valve 6, the 3rd flow control valve 12, shower nozzle 7, reactor 8, sodium hydrate solid 9, aluminium powder distributor 10, diffuses valve 13, Pressure gauge 14, aluminium powder screen pack 15, safety valve 16 and hydrogen filling valve 17.The grain diameter of aluminium powder 2 is at 5nm-20mm; Aluminium powder container 1 is communicated with reactor 8 by first electromagnetically operated valve 3, first flow by-pass valve control 4 and aluminium powder distributor 10 successively, makes that the aluminium powder 2 in the aluminium powder container 1 can enter in the reactor 8 when first electromagnetically operated valve 3 is opened; Reactor 8 is an airtight container, and the lower end fills sodium hydrate solid 9; Water pipe is connected with second electromagnetically operated valve 5, second flow control valve 6 and shower nozzle 7 successively, and shower nozzle 7 is arranged on reactor 8 upper ends, and water is evenly sprayed in the reactor 8 when second electromagnetically operated valve 5 is opened; Reactor 8 upper ends are provided with the hydrogen delivery tube road, are provided with aluminium powder screen pack 15, the 3rd electromagnetically operated valve 11 and the 3rd flow control valve 12 on this pipeline successively.On connecting tube between aluminium powder screen pack and the 3rd electromagnetically operated valve 11, be equipped with and diffuse valve 13.The 3rd flow control valve 12 can be controlled the hydrogen flowing quantity of outflow, for the fuel cell use of different energy output.Reactor 8 upper ends also are provided with Pressure gauge 14, safety valve 16 and hydrogen filling valve 17.Pressure gauge 14 is used to show the pressure in the reactor, safety valve 16 under the accident situation of system in hypertonia with system decompression, the safe operation of safeguards system.Hydrogen filling valve 17 with diffuse valve 13 can cooperating, system reacts before, will not be full of hydrogen in the container 8 as follows, the purity of the hydrogen that the assurance system start-up stage is produced:
(1) hydrogen filling valve 17 is connected with inert gas source of the gas (as bottled nitrogen etc.), open hydrogen filling valve 17 and diffuse valve 13, utilize the air in the nitrogen purging container 8, close filling valve 17 and diffuse valve 13: hydrogen filling valve 17 is two-way valves with diffusing valve 13, model is SS-72 series K7A, and the Beijing Kumagawa Valve Manufacturing Co., Ltd produces.
(2) hydrogen filling valve 17 and hydrogen source gas (as bottled hydrogen etc.) are connected, open hydrogen filling valve 17 and diffuse valve 13, utilize the nitrogen in the hydrogen purge container 8, make to be full of hydrogen and to keep pressure-fired in the container.
First electromagnetically operated valve 3, second electromagnetically operated valve 5 and the 3rd electromagnetically operated valve 11 are the automatic Open valve of outage, and closure when electricity is arranged is opened during outage automatically.Electromagnetically operated valve is a direct-acting electromagnetic valve, GSR48 type A4858, and Dalian power enlightening fluid control technology Co., Ltd produces.First flow by-pass valve control 4, second flow control valve 6 and the 3rd flow control valve 12 are adjuster valve, the 32M6F type, and the Beijing Kumagawa Valve Manufacturing Co., Ltd produces.
The hydrogen that said apparatus produces is connected with the negative pole of fuel cell generation with the 3rd flow control valve 12 by the 3rd electromagnetically operated valve 11, when the supply of electric power of certain occasion is interrupted, closed first electromagnetically operated valve 3, second electromagnetically operated valve 5 and the 3rd electromagnetically operated valve 11 are opened automatically, aluminium powder and water enter reactor, and the hydrogen that hydrogen that stores in the reactor and subsequent reactions produce enters fuel cell power generation.Aluminium powder reacts with water in the presence of alkali, can control the flow of running water and aluminium powder by the aperture of the control first flow by-pass valve control 4 and second flow control valve 6, thereby control hydrogen-producing speed, can control the flow of hydrogen by the aperture of controlling the 3rd flow control valve 12, thereby control the generated output of fuel cell.At the device for producing hydrogen of different productive rates, the aperture of first flow by-pass valve control 4, second flow control valve 6 and the 3rd flow control valve 12 can be adjusted to suitable value in advance.
Embodiment 1
The aluminium powder that in the aluminium powder container, adds 368g, the aperture control aluminium powder flow of regulating first flow by-pass valve control 4 is about 6.2g/min, the aperture of second flow control valve 6 makes the flow of water be about 12.3ml/min, and the aperture of regulating the 3rd flow control valve 12 makes the flow of hydrogen be about 7.6L/min.When the electric power system of being monitored was cut off the power supply, first electromagnetically operated valve 3, second electromagnetically operated valve 5 and the 3rd electromagnetically operated valve 11 were opened automatically owing to the power breakdown of being monitored, and aluminium powder and water enter reactor and produces hydrogen.Hydrogen flows to the negative pole of fuel cell by the 3rd electromagnetically operated valve 11 and the 3rd flow control valve 12, can be about 1 hour of the fuel cell supply of hydrogen of 500W.
Embodiment 2
The aluminium powder that in the aluminium powder container, adds 740g, the aperture control aluminium powder flow of regulating first flow by-pass valve control 4 is about 12.3g/min, the aperture of regulating second flow control valve 6 makes the flow of water be about 24.5ml/min, and the aperture of regulating the 3rd flow control valve 12 makes the flow of hydrogen be about 15.2L/min.When the electric power system of being monitored was cut off the power supply, first electromagnetically operated valve 3, second electromagnetically operated valve 5 and the 3rd electromagnetically operated valve 11 were opened automatically owing to the power breakdown of being monitored, and aluminium powder and water enter reactor and produces hydrogen.Hydrogen flows to the negative pole of fuel cell by the 3rd electromagnetically operated valve 11 and the 3rd flow control valve 12, can be about 1 hour of the fuel cell supply of hydrogen of 1000W.
The aluminium powder that in the aluminium powder container, adds 1.1kg, the aperture control aluminium powder flow of regulating first flow by-pass valve control 4 is about the aperture that 18.3g/min regulates second flow control valve 6 makes the flow of water be about 36.6ml/min, and the aperture of regulating the 3rd flow control valve 12 makes the flow of hydrogen be about 22.8L/min.When the electric power system of being monitored was cut off the power supply, first electromagnetically operated valve 3, second electromagnetically operated valve 5 and the 3rd electromagnetically operated valve 11 were opened automatically owing to the power breakdown of being monitored, and aluminium powder and water enter reactor and produces hydrogen.Hydrogen flows to the negative pole of fuel cell by the 3rd electromagnetically operated valve 11 and the 3rd flow control valve 12, can be about 1 hour of the fuel cell supply of hydrogen of 1500W.
Embodiment 4
The aluminium powder that in the aluminium powder container, adds 1.46kg, the aperture control aluminium powder flow of regulating first flow by-pass valve control 4 is about 12.3g/min, the aperture of regulating second flow control valve 6 makes the flow of water be about 24.5ml/min, and the aperture of regulating the 3rd flow control valve 12 makes the flow of hydrogen be about 15.2L/min.When the electric power system of being monitored was cut off the power supply, first electromagnetically operated valve 3, second electromagnetically operated valve 5 and the 3rd electromagnetically operated valve 11 were opened automatically owing to the power breakdown of being monitored, and aluminium powder and water enter reactor and produces hydrogen.Hydrogen flows to the negative pole of fuel cell by the 3rd electromagnetically operated valve 11 and the 3rd flow control valve 12, can be about 2 hours of the fuel cell supply of hydrogen of 1000W.
Embodiment 5
The aluminium powder that in the aluminium powder container, adds 7.40kg, the aperture control aluminium powder flow of regulating first flow by-pass valve control 4 is about 12.3g/min, the aperture of regulating second flow control valve 6 makes the flow of water be about 24.5ml/min, and the aperture of regulating the 3rd flow control valve 12 makes the flow of hydrogen be about 15.2L/min.When the electric power system of being monitored was cut off the power supply, first electromagnetically operated valve 3, second electromagnetically operated valve 5 and the 3rd electromagnetically operated valve 11 were opened automatically owing to the power breakdown of being monitored, and aluminium powder and water enter reactor and produces hydrogen.Hydrogen flows to the negative pole of fuel cell by the 3rd electromagnetically operated valve 11 and the 3rd flow control valve 12, can be about 10 hours of the fuel cell supply of hydrogen of 1000W.
Embodiment 6
The aluminium powder that in the aluminium powder container, adds 17.6kg, the aperture control aluminium powder flow of regulating first flow by-pass valve control 4 is about 12.3g/min, the aperture of regulating second flow control valve 6 makes the flow of water be about 24.5ml/min, and the aperture of regulating the 3rd flow control valve 12 makes the flow of hydrogen be about 15.2L/min.When the electric power system of being monitored was cut off the power supply, first electromagnetically operated valve 3, second electromagnetically operated valve 5 and the 3rd electromagnetically operated valve 11 were opened automatically owing to the power breakdown of being monitored, and aluminium powder and water enter reactor and produces hydrogen.Hydrogen flows to the negative pole of fuel cell by the 3rd electromagnetically operated valve 11 and the 3rd flow control valve 12, can be about 24 hours of the fuel cell supply of hydrogen of 1000W.
Claims (6)
1. a device that starts fast hydrogen making when cutting off the power supply automatically is characterized in that, the aluminium powder container of this device is communicated with reactor by first electromagnetically operated valve, first flow by-pass valve control and aluminium powder distributor successively, and the aluminium powder in the aluminium powder container is entered in the reactor; The grain diameter of aluminium powder is at 5nm-20mm; Reactor is an airtight container, and the lower end fills sodium hydrate solid; Water pipe is connected with second electromagnetically operated valve, second flow control valve and shower nozzle successively, and shower nozzle is arranged on the reactor upper end, and water is sprayed in the reactor; The reactor upper end is provided with the aluminium powder screen pack, and the aluminium powder screen pack is connected with the 3rd electromagnetically operated valve through piping, and the 3rd electromagnetically operated valve is connected with the 3rd flow control valve; The 3rd flow control valve is connected with the negative pole of fuel cell generation.
2. start the device of fast hydrogen making during according to claim 1 the outage automatically, it is characterized in that: described reactor upper end also is provided with safety valve.
3. start the device of fast hydrogen making during according to claim 1 the outage automatically, it is characterized in that the reactor upper end also is provided with Pressure gauge.
4. when outage according to claim 1 starts the device of fast hydrogen making automatically, it is characterized in that: described aluminium powder screen pack through piping also with diffuse valve and be connected; The reactor upper end also is provided with the hydrogen filling valve; The hydrogen filling valve with diffuse the valve cooperating, before system reacts, will not be full of hydrogen in the container as follows:
(1) the hydrogen filling valve is connected with the inert gas source of the gas, opens the hydrogen filling valve and diffuses valve, utilizes the air in the inert gas purge container, closes filling valve and diffuses valve;
(2) the hydrogen filling valve is connected with hydrogen source gas, opens the hydrogen filling valve and diffuse valve, utilize the inert gas in the hydrogen purge container, make to be full of hydrogen and to keep pressure-fired in the container.
5. start the device of fast hydrogen making during according to claim 1 the outage automatically, it is characterized in that: described aluminium powder distributor is formed by the stainless steel tube bent downhole of diameter 8-12 millimeter; Angle of bend 135 degree, the inclined tube partial-length is 1 times of reactor diameter, institute's hole diameter is 2-5mm, adjacent holes centre-to-centre spacing 10-15mm.
6. when outage according to claim 1 starts the device of fast hydrogen making automatically, it is characterized in that: the serve as reasons water distributor of the disk that is covered with circular hole of described shower nozzle; The circular hole aperture is 1-3mm, adjacent holes centre-to-centre spacing 4-6mm.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1384044A (en) * | 2002-03-04 | 2002-12-11 | 孙元明 | Hydrogen preparing method and device |
| CN1567622A (en) * | 2003-06-17 | 2005-01-19 | 乐金电子(天津)电器有限公司 | Fuel cell generating system and control method thereof |
| CN101068746A (en) * | 2004-08-03 | 2007-11-07 | 通用汽车公司 | Pressurized hydrogen delivery system for electrochemical cells |
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2009
- 2009-06-16 CN CN2009100402738A patent/CN101615683B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1384044A (en) * | 2002-03-04 | 2002-12-11 | 孙元明 | Hydrogen preparing method and device |
| CN1567622A (en) * | 2003-06-17 | 2005-01-19 | 乐金电子(天津)电器有限公司 | Fuel cell generating system and control method thereof |
| CN101068746A (en) * | 2004-08-03 | 2007-11-07 | 通用汽车公司 | Pressurized hydrogen delivery system for electrochemical cells |
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