WO2015104717A1 - Hydrogen cell - Google Patents

Hydrogen cell Download PDF

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Publication number
WO2015104717A1
WO2015104717A1 PCT/IN2014/000803 IN2014000803W WO2015104717A1 WO 2015104717 A1 WO2015104717 A1 WO 2015104717A1 IN 2014000803 W IN2014000803 W IN 2014000803W WO 2015104717 A1 WO2015104717 A1 WO 2015104717A1
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Prior art keywords
cell
hydrogen
electrolysis
liquid water
water
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English (en)
French (fr)
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Bhagat HARSHVARDHAN
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    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B15/00Operating or servicing cells
    • C25B15/02Process control or regulation
    • C25B15/023Measuring, analysing or testing during electrolytic production
    • C25B15/025Measuring, analysing or testing during electrolytic production of electrolyte parameters
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B15/00Operating or servicing cells
    • C25B15/02Process control or regulation
    • C25B15/023Measuring, analysing or testing during electrolytic production
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B15/00Operating or servicing cells
    • C25B15/08Supplying or removing reactants or electrolytes; Regeneration of electrolytes
    • C25B15/081Supplying products to non-electrochemical reactors that are combined with the electrochemical cell, e.g. Sabatier reactor
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/36Hydrogen production from non-carbon containing sources, e.g. by water electrolysis

Definitions

  • the invention relates to a method for the electrolysis of an aqueous solution having a Sodium salt for producing high concentration of Hydrogen.
  • Hydrogen gas is a widely accepted, efficient and clean fuel to produce electricity or power in different applications. Hydrogen gas is found in abundance in our environment, but its conversion or usage as a fuel has been a challenge. This clean fuel effectively counters the effects of harmful emissions, reduces energy wastage in importing or transporting of fuels. Hydrogen is a resource which can be produced or generated using domestically available renewable resources, such as wind, solar, water, chemicals and biomass.
  • a Hydrogen based fuel cell system has features, such as high efficiency and energy conservation, reliability and stability, strong environmental adaptability, and being green and environment-friendly, and can be widely applied to fields such as automobile, power source systems, etc.
  • Hydrogen based cells can use Hydrogen as a direct fuel to be used in powering of an engine or it can use chemical reaction processes to further produce electricity.
  • electrolysis of water has long been used to split Hydrogen from water, multiple technologies used for electrolysis included chemical based reactions and electricity based electrolysing of water.
  • One of the most sought after method includes using a Magnesium sulphate salt as an electrolyte with the aqueous solution of water. The reaction in this process is stable but produces low quantities of Hydrogen.
  • the sodium amalgam-oxygen continuous feed cell' authored by Ernest Yeager and published by 'Ft. Belvoir Defense Technical Information Centre' in December 1960, describes an anode of a sodium amalgam- oxygen continuous feed cell consisting of a vertical steel electrode with liquid amalgam flowing continuously down its surface. Porous carbon electrodes of semi- lyophobic type have been used as a cathode. An amalgam is produced (over) external to the cell by introducing sodium directly into mercury. The overall cell reaction is 4 Na + 02 + 2 H2O to 4 NaOH. Performance characteristics are reported for a small single cell laboratory unit as well as a five-cell unit of several hundred watts capacity.
  • US3427199 titled 'Method for starting operation of a sodium amalgam-oxidant fuel cell' invented by 'Erwin A. Schumacher et al.' as published on 11 February, 1969, describes a method for starting operation of a sodium amalgam-oxidant fuel cell at room temperatures, and particularly refers to a method which substantially eliminates the need for an auxiliary supply of heat and electrical energy during starting period.
  • the construction of a sodium amalgam-oxidant fuel cell is similar to the construction of a Hydrogen-oxygen cell. Both comprise an anode, a cathode, and an electrolyte between the two, and the cathode in both is usually a porous conductive body repellent to electrolyte but permeable to a gaseous oxidant.
  • the anode In a sodium amalgam oxidant fuel cell, however, the anode is usually at vertical, conductive plate instead of the ordinary porous conductive body used in conjunction with anodic Hydrogen gas. This change in construction is necessary because the sodium amalgam, which contains sodium as the anodic material, is a liquid rather than a gas.
  • the sodium amalgam is usually introduced at the top of the anode plate, permitted to flow down the face of the plate to present the dissolved sodium as a usable surface, and then removed as depleted amalgam from the bottom of the cell. The depleted amalgam is then enriched with solid or liquid sodium in suitable regenerators and re-circulated through the cell.
  • a sealed primary sodium halogen battery has the above type of wall-sealed casing with solid sodium containing ion-conductive inner vessel.
  • the anode and cathode are positioned, respectively, in either the inner vessel or between the inner vessel and the outer vessel portion adjacent the closed end of the inner vessel.
  • an internal combustible engine working on Hydrogen gas fuel uses a Hydrogen container or reservoir for storing Hydrogen gas.
  • the Hydrogen gas could be produced at a factory and supplied in cylinders/ containers to be used while engine is running. A better application will be local production of Hydrogen and usage while the automobile is in operation.
  • Hydrogen gas as a gaseous fuel exhibits poor installation or storage efficiency when installed on the vehicle, as compared with a liquid hydrocarbon fuel, such as petrol. Hence, the requirement of a small, compact and efficient Hydrogen producing fuel cell has been felt for long.
  • the present invention relates to a Hydrogen generator cell having at least one electrolysis cell containing liquid water. Further, reusable Sodium amalgam is disposed in the liquid water of the electrolysis cell for use as a catalytic converter. An electrical potential is applied across a pair of electrodes immersed in the liquid water of the electrolyte chambers and at least one of the pair of electrodes electrolyzes the liquid water for generating Hydrogen gas using the catalytic converter. Further, the present invention relates to an applied electric potential as supplied by a battery, the battery is chargeable by power produced from Hydrogen generated by a cell. The Hydrogen generator cell also has a rheostat and a corresponding switch to supply a required switching power to the electrodes through conductor wires.
  • the present invention also relates to a Hydrogen generator cell having an outlet, for supplying Hydrogen to an engine.
  • the outlet is above level of the liquid water of the electrolysis cells of the Hydrogen generator cell.
  • the Hydrogen generator cell supplies the Hydrogen to a Hydrogen container which further supplies it to the engine.
  • the present invention relates to a signalling system for recording a status of water level in the Hydrogen generator cell and generated Hydrogen pressure in an outlet of the Hydrogen generator cell.
  • a liquid water supply system for circulating water to at least one of the electrolyte chambers and a controller for controlling the liquid water supply system in response to a signal received from the signalling system.
  • the present invention also relates to a Hydrogen generator cell wherein pluralities of such Hydrogen generator cells are connected in series, for use in an automobile.
  • the present invention relates to a method of generating Hydrogen from a cell, by using Sodium amalgam disposed in liquid water of at least one electrolyte chambers, preferably two, as a catalytic converter and applying an electric potential across a pair of electrodes immersed in the liquid water of the electrolyte chambers for electrolysing the liquid water for generating Hydrogen by electrolysing the liquid water using the catalytic converter.
  • the present invention relates to a method of controlling generation of Hydrogen from a cell, while receiving a status of water level in the cell and receiving a status of generated Hydrogen pressure in an outlet of the cell and controlling circulation of water in the cell and electric potential applied on electrodes of the cell, using a liquid water supply system in response to the received status of the water level and the Hydrogen pressure.
  • the present invention relates to a controller for a Hydrogen generating cell, having a first recorder for receiving a status of water level in the cell and having a second recorder for receiving a status of generated Hydrogen pressure in an outlet of the cell. Further the controller controls circulation of water in the cell and electric potential applied on electrodes of the cell, using a liquid water supply system in response to the received status of the water level and the Hydrogen pressure from the first recorder and the second recorder.
  • FIG. 1 is a schematic diagram of a Hydrogen fuel cell in an automobile system, according to various embodiments of the invention
  • FIG. 2 is a schematic diagram of a Hydrogen fuel cell system, according to various embodiments of the invention.
  • FIG. 3 is a schematic structural diagram of components of a Hydrogen fuel cell of the Hydrogen fuel cell system, according to various embodiments of the invention.
  • FIG. 4 is a schematic structural diagram of top view of a Hydrogen fuel cell of the Hydrogen fuel cell system, according to various embodiments of the invention
  • FIG. 5 is a schematic structural diagram of a Hydrogen supply system in a Hydrogen fuel cell of the Hydrogen fuel cell system, according to various embodiments of the invention
  • FIG. 6 is a schematic structural diagram of a Hydrogen fuel cell of the Hydrogen fuel cell system using various input resources, according to various embodiments of the invention.
  • FIG. 7 is a schematic structural diagram of a controller for controlling various supply systems to a Hydrogen fuel cell of the Hydrogen fuel cell system using various input resources, according to various embodiments of the invention.
  • a Hydrogen supply system in a Hydrogen fuel cell system is the backbone of system.
  • the Hydrogen supply system is beneficial if the quantity and quality of Hydrogen fuel produced vis-a-vis the input (including water, electrolyte salt, electricity to electrolyse) is high.
  • the Hydrogen fuel cell generally includes a Hydrogen generating unit, a Hydrogen containing unit and a Hydrogen supplying unit.
  • the inventors find that, when the Hydrogen gas needs to be produced a large system is required to be carried by a vehicle as smaller systems do not produce enough fuel to be feasibly used in an automobile operation. Conventional method based smaller systems do not produce enough Hydrogen fuel for small vehicle applications, such as motor bikes or hatchback cars to practically carry and use the Hydrogen fuel cells while operation.
  • FIG. 1 shows a structure of the Hydrogen fuel cell system 100, including a Hydrogen generator cell 104, and an engine 102 connected to the Hydrogen generator cell 104.
  • a detailed structure of the Hydrogen generator cell 104 is described in detail in the subsequent embodiment of the present disclosure.
  • the engine 102 includes an internal combustion engine (Hydrogen-using internal combustion engines) which uses Hydrogen gas as a direct fuel, along with a hydrocarbon fuel, such as petrol or diesel.
  • Hydrogen gas has higher combustibility than hydrocarbon fuel.
  • the mixture of Hydrogen gas with a hydrocarbon fuel allows the engine 102 to work with better, improved fuel economy, and also offer reduction in the amount of harmful gas emissions, such as reduction in NOx emission to environment.
  • the mixture in certain designs increases the power output and in turn increases value of the Hydrogen clean fuel.
  • the engine 102 uses a significant amount of electric energy and chemical salts along with aqueous solution while electrolysis for producing Hydrogen gas.
  • the power or electrical energy required for producing Hydrogen gas is supplied from an on-board or vehicle-mounted battery. Therefore, it is necessary for the engine 102 to control and supply the required energy to the battery for use in Hydrogen gas production.
  • Sodium amalgam as a catalytic converter which is reusable, thus, producing high Hydrogen concentration with the same electric energy in place of Magnesium sulphate, which has long been used for similar reaction.
  • Sodium amalgam used is mercury salt, such as Na5Hg8 or Na3HG8.
  • FIG. 2 shows a structure of the Hydrogen fuel cell system 200, including the Hydrogen generator cell 104, a battery 202 connected to electrodes of the Hydrogen generator cell 104.
  • the battery 202 passes required current or applies an electric potential to electrodes of the Hydrogen generator cell 104.
  • a detailed structure of the Hydrogen generator cell 104 is described in detail in the subsequent embodiment of the present disclosure.
  • the battery 202 uses an electronics circuit, passes current to the Hydrogen generator cell 104 required for its operation of generating Hydrogen gas.
  • a control apparatus (not shown) is used for measuring and regulating the current passing through electrodes of the Hydrogen generator cell 104 with which it is associated.
  • a battery 202 includes a casing configured to at least partially receive a battery pack therein.
  • the battery pack can be a single battery or a plurality of batteries.
  • the casing of the battery forms part of structure of a vehicle body, which will further include mechanically adjustable mechanisms for receiving and removing the battery form the casing.
  • a battery 202 has a limited charge level resulting in too limited maximal distance the vehicle can drive with such battery.
  • a battery 202 can be charged from an engine 102 or can be replaced by a road side service station,
  • the electronics circuit used for supplying electrical energy/ current to the Hydrogen generator cell 104 includes a switch 206 and a rheostat 204.
  • the rheostat 204 controls the electricity flowing from the battery 202 into the electrodes of the Hydrogen generator cell 104. This could be controlled by the switch 206 in an automobile application, for example.
  • FIG. 3 shows a detailed structure of the Hydrogen fuel cell system 300, including the Hydrogen generator cell 104. The interior of the Hydrogen generator cell 104 is described here.
  • the Hydrogen generator cell 104 includes at least one and preferably two electrolysis cells 104A, 104B.
  • the electrolysis cells 104A, 104B are generally known in the art and can be used from any standard offering with features as detailed below.
  • an electrolysis cell 104A, 104B includes a cathode 302A located within a cathode region electrolysis cell 104A, an anode 302B located within anode region electrolysis cell 104B, and an aqueous electrolyte solution, using water 304 as aqueous filled in the electrolysis cells 104A, 104B.
  • the cathode 302A receives current from the battery 202 by a conductor wire 31 OA; similarly anode 302B receives current from the battery 202 by a conductor wire 310B.
  • the liquid water 304 is reduced at the cathode region 104A and oxidized at the anode region 104B.
  • the electrolyte 306 is responsible for charge transfer and the movement of ions within the Hydrogen generator cell 104.
  • the water electrolysis includes a separate cathode region and a separate anode region within one electrolysis cell.
  • the electrolyte solution is composed of an electrolyte 306 in solution with liquid water 304.
  • electrolyte 306 in solution with liquid water 304.
  • the embodiment of current invention uses distilled liquid water 304 as base and Sodium amalgam salt 306 as the electrolyte.
  • the Sodium amalgam salt 306 works as an electrolyte to lower resistance of the liquid water 304. This improves the performance of the Hydrogen generator cell 104.
  • An operating range of Sodium amalgam 306 to water 304 is about 0.5%-15% by weight, with a preferred range being 2% to 5%, and 3% being the most preferred ratio.
  • the aqueous electrolyte solution of liquid water 304 and Sodium amalgam 306 is a saturated solution prepared by adding a total 30gm of Sodium amalgam to about 1000 ml of clean distilled water dividedly placed in two electrolysis cells 104A, 104B.
  • the electrodes 302A, 302B of the Hydrogen generator cell 104 are connected to a 9V battery through conductor wires 31 OA, 310B.
  • the solution is maintained at about 30 degrees Celsius (°C.) while being mechanically mixed.
  • the electrolysis process produces Hydrogen gas as per following chemical reaction.
  • the electrolysis reaction within the water electrolysis unit of the present invention produces about 100 parts per million (ppm) of Hydrogen. Na5Hg8 + 2H20 -*2NaOH + H2 + Na3Hg8
  • Hydrogen is very effective and sufficient for the combustion and power required for a motorbike engine to work smoothly for more than 20 Km on city roads.
  • concentration of Sodium amalgam 306 will prevent the solution from freezing up to a temperature of about minus -10 degrees C.
  • a water level indicator is placed in the electrolyte cell.
  • the electrolyte cathode and anode rods 302A, 302B are made from copper and descend vertically into the liquid water solution 304.
  • the cathode rod 302A connects to the outer electrode conductor wire 31 OA which is connected to a battery terminal for receiving current for electrolysing the electrolyte solution.
  • the anode rod 302B connects to the outer electrode conductor wire 310B which is connected to another battery terminal for receiving current for electrolysing the electrolyte solution.
  • the conductor wires are made most preferably from Copper, which has found to yield suitable results, but other conductor material may also be suitable. Not shown on the drawing is that both conductor wires are surrounded end to end by insulation, so there is no short circuiting or electrical or electrolysis interaction between the rods and the surrounding solution.
  • the cathode region 302A and the anode region 302B are electrically connected by an aqueous electrolyte solution 304 through a funnel 308, supplied from an aqueous electrolyte solution.
  • the aqueous electrolyte solution includes electrolyte salt, such as Sodium amalgam.
  • the aqueous electrolyte includes an alkali salt.
  • the alkali salt is substantially free of chloride and is a salt of the groups 1 (IA) or 2(IIA) of the periodic table.
  • Exemplary electrolytes suitable for use with the present invention include, but are not limited to, the following: sodium amalgam, sodium sulphate, potassium sulphate, calcium sulphate, magnesium sulphate, sodium nitrate, potassium nitrate, sodium bicarbonate, sodium carbonate, potassium bicarbonate, potassium carbonate, calcium carbonate, and magnesium carbonate.
  • the aqueous electrolyte solution can include sea water and/or sea salt.
  • the concentration of the aqueous electrolyte solution can vary depending on the demands of the electrolysis cell and the Hydrogen generator cell 104.
  • the electrolyte concentration may vary with changes in the temperature, pH, and/or the selected electrolyte salt.
  • Sodium amalgam 306 reacts with water as shown above and forms Sodium amalgamate during the electrolysis process.
  • a high quantity of Hydrogen gas is produced which is routed to the engine 102 through Hydrogen outlet channel 502A, 502B.
  • Water is reduced using a metal that is in a highly active state.
  • a metal that is in a highly active state.
  • copper or a copper alloy is subjected to rubbing in pure water so as to accelerate corrosive reactions between water and the metal and decompose water molecules, in catalytic presence of Sodium amalgam thereby to produce high quantity of pure Hydrogen gas.
  • Sodium amalgamate will be reversed to Sodium amalgam releasing more Hydrogen and oxygen and reused in next electrolysis cycle.
  • the fluid level will decline as water is decomposed.
  • the Sodium amalgam 306 electrolyte does not get, effectively, used up in the reaction, and therefore does not need to be added in the usual case.
  • concentration of the Sodium amalgamate will increase.
  • efficiency of electrolysis will be reduced and with more exposure of cathode 302A and anode 302B rods a risk of a spark which, in the environment containing combustible gas, could cause an explosion will increase.
  • the water 304 solution needs to be refilled on periodical basis.
  • FIG. 4 presents top view of an embodiment of the Hydrogen generator cell 104.
  • the conductor wires 31 OA, 310B are connected to the battery 202 terminals.
  • the predetermined voltage supplied to the electrolysis cell is at least 1.2 volts. According to other embodiments, the predetermined voltage supplied to the cell ranges from about 1.2 volts to about 16.0 volts.
  • the result of the electrolysis reaction within the Hydrogen generator cell 104 is formation of Hydrogen gas, along with catalytic salt conversion to Sodium amalgamate.
  • FIG. 5 describes a Hydrogen generator cell 104, after water 304 in the aqueous electrolyte solution and Sodium amalgam 306 is electrolyzed to produce Hydrogen gas, the gas is produced and routed to the engine 102 using metal pipes 502A, 502B.
  • the Hydrogen gas is routed from the cathode region 302A or anode region 302B to storage or flow systems designed to collect gas.
  • the low density of the Hydrogen gas relative to the aqueous electrolyte solution causes the Hydrogen gas to rise.
  • produced Hydrogen gas is collected in a Hydrogen container (not shown) and further passed to an engine 102 as a product of electrolysis which is used directly as a fuel for the automobile engine.
  • a system for retrofitting an internal combustion engine to use a proportion of Hydrogen gas and existing hydrocarbon liquid fuel includes providing one source of Hydrogen gas to combustion chamber of the engine and another source for delivering hydrocarbon liquid fuels via separate fuel injectors.
  • the system further includes adjusting the engine operating parameters and controlling the delivery of selective fuel in engine's operating cycle.
  • the high amount of Hydrogen gas for hydrocarbon fuel engine provides a fast combustion cycle, resulting in better fuel efficiency.
  • FIG. 6 shows the Hydrogen generator cell 104 having two electrolysis cells 104A, 104B.
  • the Hydrogen gas pressure may increase abruptly or due to misappropriation of the required electrolyte solution ingredients, while the electrolytic cell is in operation, which may result in breaking or explosion of the electrolytic cells. Therefore, a modified overflow safety valve 608A, 608B, in both electrolysis cells 104A, 104B respectively, is used for maintaining the Hydrogen pressures in a given ratio as a safety device.
  • the overflow safety valve 608A, 608B is used as a safety device which is set with a requisite pressure to release Hydrogen gas out from the electrolysis cells 104A, 104B so that unnecessary leakage will not occur.
  • a liquid water supply system 602 includes a water inlet reservoir and is connected to electrolysis cells 104A, 104B through water pipes 604A, and 604B.
  • electrolysis reaction water 304 gets used up, as explained, and the level of water in electrolysis cells 104A, 104B goes down. This creates a requirement of water 304 in the electrolysis cell 104A, 104B and thus is supplied by a water inlet reservoir of the liquid water supply system 602.
  • a Sodium amalgam reservoir 606 is connected to electrolysis cells 104A, 104B through SA pipes 608A, and 608B.
  • electrolysis reaction water 304 gets used up and the level of water in the electrolysis cells 104A, 104B goes down.
  • the Sodium amalgam salt 306 is used to form Sodium amalgamate but is reversed into Sodium amalgam 306. Effectively the salt works as a catalytic converter and is not depleted instantly.
  • a small storage of Sodium amalgam 306 is preferred in the Hydrogen generator cell 104 arrangement, for use in the long run.
  • the cathode 302A receives current from the battery 202 by the conductor wire 31 OA; similarly anode 302B is connected to another battery terminal using the conductor wire 310B.
  • FIG. 7 shows a signalling system 702A, 702B disposed outside the electrolysis cells 104A, and 104B.
  • the signalling system 702A, 702B receives inputs from the electrolysis cells 104A, 104B in form of aqueous solution level i.e. level of water through channels 706A, 706B from the electrolysis cells 104A, 104B.
  • the signalling system 702A, 702B receives signal inputs about the pressure of Hydrogen produced in outlet pipe 502A, 502B of the electrolysis cells 104A, 104B through channels 704A, 704B.
  • a controller 708 receives the readings of the signalling system 702A, 702B through channel 71 OA, 710B and thereafter regulates the liquid water supply system 602 with water inlet reservoir to pass off required water to the electrolysis cells 104A, 104B.
  • electrolysis process works in presence of electrolytic solution as water 304 inside the electrolysis cells 104A, 104B.
  • the electrolytic solution has a substantial water component which is used up by the electrolytic process. As the water is used up, the liquid level of solution declines and needs to be replenished. Generally, a rider or driver of the vehicle would need to refill the cells with Water by stopping the vehicle and spending time. The driver may not be technically equipped to do the process skilfully.
  • the present invention avoids these problems by including a refill process that operates automatically and in the background. It is therefore an advantage of the present invention that it extends the length of time during which the electrolysis cells can operate without service by the operator.
  • a signal is sent from the electrolysis cell 104A, 104B by the transmission channels 706A, 706B connected to sensors (not shown) inside the electrolysis cells 104A, 104B on one side and to the signalling system 702A, 702B on the other side.
  • the Controller 708 receives the signals from the signalling system 702A, 702B and computes through a first recorder to generate a signal that activates the liquid water supply system 602 through transmission channel 712.
  • the water reservoir of the liquid water supply system 602 begins pumping water to the electrolysis cells 104A, 104B.
  • the refilling continues until the level of water 304 in the electrolyte cells 104A, 104B reaches a predetermined high level, at which point another signal is sent using inputs from the signalling system 702A, 702B to stop the refill process by the controller 708 to the liquid water supply system 602.
  • a method of controlling generation of Hydrogen from a cell 104 comprising receiving a status of water level of at least one electrolysis cell 104A, 104B, receiving a status of generated Hydrogen pressure in an outlet 502A, 502B of at least one electrolysis cell 104A, 104B, controlling circulation of water in the electrolysis cell 104A, 104B and electric potential applied on electrodes 31 OA, 310B of the electrolysis cell 104A, 104B, using a liquid water supply system 602 in response to the received status of the water level and the Hydrogen pressure.
  • a controller 708 for a Hydrogen generating cell 104 comprising a first recorder for receiving a status of water level in at least one electrolysis cell 104A, 104B, a second recorder for receiving a status of generated Hydrogen pressure in an outlet 502A, 502B of the electrolysis cell 104A, 104B, wherein the controller controls circulation of water in the electrolysis cell 104A, 104B and electric potential applied on electrodes 31 OA, 310B of the cell 104, using a liquid water supply system 602 in response to the received status of the water level and the Hydrogen pressure from the first recorder and the second recorder.
  • Hydrogen generator cells 104 are typically combined in a fuel cell stack to generate the desired power.
  • a typical fuel cell stack for a vehicle may have ten or more stacked fuel cells.
  • the Hydrogen generator cell system according to any one of the above embodiments, and the system for producing and supplying Hydrogen gas mainly formed by the Hydrogen generator cell disclosed by any one of the above embodiments all fall within the protection scope of the present disclosure.
  • each of the above systems may also be applied to fields such as automobile driving and portable power source system.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
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  • Analytical Chemistry (AREA)
  • Automation & Control Theory (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
PCT/IN2014/000803 2014-01-08 2014-12-30 Hydrogen cell Ceased WO2015104717A1 (en)

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN109444594A (zh) * 2018-11-26 2019-03-08 佛山科学技术学院 一种光电化学体系电参数检测装置

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US3427199A (en) 1963-12-23 1969-02-11 Union Carbide Corp Method for starting operation of a sodium amalgam-oxidant fuel cell
US3881955A (en) 1972-03-31 1975-05-06 Gen Electric Wall-sealed battery casing and sealed primary sodium-halogen battery
US4207095A (en) * 1978-05-04 1980-06-10 Horizon Manufacturing Corporation Material and method for obtaining hydrogen by dissociation of water
CA2209237A1 (en) * 1997-06-27 1998-12-27 Gabi Balan Hydrogen generating apparatus
US20040025807A1 (en) * 2000-10-17 2004-02-12 Shabier Jhetham Method of and an apparatus for supplying fuel to a vehicle
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3181848A (en) 1962-04-23 1965-05-04 Jr Kenneth D Miller Amalgam regenerator for primary battery system
US3427199A (en) 1963-12-23 1969-02-11 Union Carbide Corp Method for starting operation of a sodium amalgam-oxidant fuel cell
US3881955A (en) 1972-03-31 1975-05-06 Gen Electric Wall-sealed battery casing and sealed primary sodium-halogen battery
US4207095A (en) * 1978-05-04 1980-06-10 Horizon Manufacturing Corporation Material and method for obtaining hydrogen by dissociation of water
CA2209237A1 (en) * 1997-06-27 1998-12-27 Gabi Balan Hydrogen generating apparatus
US20040025807A1 (en) * 2000-10-17 2004-02-12 Shabier Jhetham Method of and an apparatus for supplying fuel to a vehicle
US20050016840A1 (en) * 2003-06-18 2005-01-27 Petillo Phillip J. Method and apparatus for generating hydrogen

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ERNEST YEAGER: "The sodium amalgam-oxygen continuous feed cell", December 1960, FT. BELVOIR DEFENSE TECHNICAL INFORMATION CENTRE

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109444594A (zh) * 2018-11-26 2019-03-08 佛山科学技术学院 一种光电化学体系电参数检测装置
CN109444594B (zh) * 2018-11-26 2023-12-26 佛山科学技术学院 一种光电化学体系电参数检测装置

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