EP1756332A4 - Hydrogen gas electrolysis and supply apparatus and method - Google Patents

Hydrogen gas electrolysis and supply apparatus and method

Info

Publication number
EP1756332A4
EP1756332A4 EP05757597A EP05757597A EP1756332A4 EP 1756332 A4 EP1756332 A4 EP 1756332A4 EP 05757597 A EP05757597 A EP 05757597A EP 05757597 A EP05757597 A EP 05757597A EP 1756332 A4 EP1756332 A4 EP 1756332A4
Authority
EP
European Patent Office
Prior art keywords
hydrogen gas
supply apparatus
gas electrolysis
electrolysis
supply
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP05757597A
Other languages
German (de)
French (fr)
Other versions
EP1756332A2 (en
Inventor
Deane Lewis Sutherland
Michael David Sutherland
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Serl Science Trustee Ltd
S E R L SCIENCE TRUSTEE Ltd
Original Assignee
Serl Science Trustee Ltd
S E R L SCIENCE TRUSTEE Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Serl Science Trustee Ltd, S E R L SCIENCE TRUSTEE Ltd filed Critical Serl Science Trustee Ltd
Publication of EP1756332A2 publication Critical patent/EP1756332A2/en
Publication of EP1756332A4 publication Critical patent/EP1756332A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/02—Hydrogen or oxygen
    • C25B1/04—Hydrogen or oxygen by electrolysis of water
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
    • C25B11/042—Electrodes formed of a single material
    • C25B11/043—Carbon, e.g. diamond or graphene
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/02—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
    • C25B9/19—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/02—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
    • F02D19/021—Control of components of the fuel supply system
    • F02D19/022—Control of components of the fuel supply system to adjust the fuel pressure, temperature or composition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0203—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels characterised by the type of gaseous fuel
    • F02M21/0206—Non-hydrocarbon fuels, e.g. hydrogen, ammonia or carbon monoxide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02M21/0227—Means to treat or clean gaseous fuels or fuel systems, e.g. removal of tar, cracking, reforming or enriching
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/06—Apparatus for de-liquefying, e.g. by heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/10—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding acetylene, non-waterborne hydrogen, non-airborne oxygen, or ozone
    • F02M25/12—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding acetylene, non-waterborne hydrogen, non-airborne oxygen, or ozone the apparatus having means for generating such gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/02—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
    • F02D19/026—Measuring or estimating parameters related to the fuel supply system
    • F02D19/027—Determining the fuel pressure, temperature or volume flow, the fuel tank fill level or a valve position
    • 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
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/30—Use of alternative fuels, e.g. biofuels
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Inorganic Chemistry (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
EP05757597A 2004-06-18 2005-06-15 Hydrogen gas electrolysis and supply apparatus and method Withdrawn EP1756332A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NZ522619A NZ522619A (en) 2004-06-18 2004-06-18 Hydrogen electrolysis with pyramid shaped reaction cell and moderated production rate
PCT/NZ2005/000131 WO2005122708A2 (en) 2004-06-18 2005-06-15 Hydrogen gas electrolysis and supply apparatus and method

Publications (2)

Publication Number Publication Date
EP1756332A2 EP1756332A2 (en) 2007-02-28
EP1756332A4 true EP1756332A4 (en) 2007-12-26

Family

ID=34859274

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05757597A Withdrawn EP1756332A4 (en) 2004-06-18 2005-06-15 Hydrogen gas electrolysis and supply apparatus and method

Country Status (9)

Country Link
US (1) US20070272548A1 (en)
EP (1) EP1756332A4 (en)
JP (1) JP2008502802A (en)
KR (1) KR20070040793A (en)
CN (1) CN101076616A (en)
AU (1) AU2005253902A1 (en)
CA (1) CA2570922A1 (en)
NZ (1) NZ522619A (en)
WO (1) WO2005122708A2 (en)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060196189A1 (en) * 2005-03-04 2006-09-07 Rabbat Michel G Rabbat engine
WO2007017902A2 (en) * 2005-06-10 2007-02-15 Swanand Anant Gogate Trapezoidal wall electrolysis cell with added electric fields and thermal energy
KR100925754B1 (en) * 2007-09-18 2009-11-11 삼성전기주식회사 Reactor cover, apparatus for generating hydrogen and fuel cell power generation system having the same
JP2009263708A (en) * 2008-04-23 2009-11-12 Tokyo Yogyo Co Ltd Hydrogen separation method in gaseous phase and hydrogen separation apparatus in gaseous phase
US20100038236A1 (en) * 2008-08-18 2010-02-18 Alex Rivera Hydrogen-from-water on-demand supplemental vehicle fuel electrolyzer system
CA2780752C (en) * 2008-11-16 2019-05-07 Steven R. Gerrish Systems and methods for producing hydrogen
US20100175941A1 (en) * 2009-01-14 2010-07-15 Mohammed Khodabakhsh Method and system for production of hydrogen
US8147661B2 (en) * 2009-08-31 2012-04-03 Green On Demand Gmbh Unit for the electrolysis of water
US20110094458A1 (en) * 2009-09-11 2011-04-28 Geo Firewall Sarl System to dynamically vary the volume of product gas introduced into a hydrocarbon combustion process
US20110100803A1 (en) * 2009-09-11 2011-05-05 Geo Firewall Sarl System for producing a substantially stoichiometric mix of hydrogen and oxygen using a plurality of electrolytic cells
US20110094457A1 (en) * 2009-09-11 2011-04-28 Geo Firewall Sarl System for regulating a hydrocarbon combustion process using a substantially stoichiometric mix of hydrogen and oxygen
US20110094456A1 (en) * 2009-09-11 2011-04-28 Geo Firewall Sarl System for increasing the level of completion of diesel engine hydrocarbon combustion
US20110094459A1 (en) * 2009-09-11 2011-04-28 Geo Firewall Sarl Regulating a hydrocarbon combustion process using a set of data indicative of hydrocarbon fuel consumed corresponding to a monitored engine operating characteristic
US20110094878A1 (en) * 2009-09-11 2011-04-28 Geo Firewall Sarl Product gas generator for producing a substantially stoichiometric mix of hydrogen and oxygen
US20110147204A1 (en) 2009-12-17 2011-06-23 Green On Demand, LLP (G.O.D.) Apparatus for on demand production of hydrogen by electrolysis of water
US20110146599A1 (en) * 2009-12-18 2011-06-23 Sciban Stanley J Hydrogen generating system
CN102465796A (en) * 2010-11-03 2012-05-23 吴献桐 Oxyhydrogen power booster
KR101334623B1 (en) * 2010-12-02 2013-11-29 주식회사 엘지화학 Degassing Method of Secondary Battery Using Centrifugal Force
CN102560529B (en) * 2012-03-05 2014-09-10 广州华秦机械设备有限公司 Method for manufacturing cathode plate of water electrolysis device
CN102723895B (en) * 2012-06-27 2015-02-11 曾令伦 Thermoelectric gas generation and chemical synthesizing device
CN107773829B (en) * 2016-08-24 2020-09-08 林信涌 Gas generator
CN107773828A (en) * 2016-08-24 2018-03-09 林信涌 Gas generator
CN106285802B (en) * 2016-09-29 2018-03-09 中国化学工程第七建设有限公司 A kind of electricity-generating method and TRT
US20190264609A1 (en) * 2016-11-18 2019-08-29 Hydrive Aps Method of cleaning an internal combustion engine and system therefor
JP3228812U (en) * 2017-09-22 2020-11-12 スープポン チャリタポーン A system for generating hydrogen gas and supplying it to an internal combustion engine
CN109338390A (en) * 2018-09-20 2019-02-15 深圳市量子氢生物技术有限公司 A kind of safety monitoring system and its monitoring method of device for producing hydrogen
CN108950589B (en) * 2018-10-09 2023-07-25 赵国良 Sodium hypochlorite generator
CN109860956B (en) * 2019-02-26 2021-11-23 中南大学 Waste aluminum recovery system and method
JP6825150B1 (en) * 2019-10-30 2021-02-03 株式会社Ｈｉｔ研究所 Hydrogen gas supply system to the engine
CN112522525B (en) * 2020-12-01 2022-10-18 四川轻化工大学 Continuous hydrolysis device and hydrolysis method for metal lithium slag
EP4116566B1 (en) * 2021-07-06 2024-04-10 Volvo Truck Corporation A method for controlling hydrogen combustion in a hydrogen internal combustion engine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3031050A1 (en) * 1980-08-16 1982-03-25 Bittner, Siegfried, 4010 Hilden Hydrogen of commercially acceptable purity - obtd. by electrolysis of water using soluble metal anodes evolving no oxygen
US4450060A (en) * 1980-11-18 1984-05-22 Ernesto Gonzalez Bipolar electrolytic cell
WO1998042893A1 (en) * 1997-03-25 1998-10-01 Whatman Inc. Direct current hydrogen generator, system and method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01200052A (en) * 1988-02-04 1989-08-11 Toyota Autom Loom Works Ltd Backfire suppressing device in hydrogen engine
US5130006A (en) * 1989-11-09 1992-07-14 Oligny Louis Andre Pyramidal shaped electrolysis cell
JPH03271383A (en) * 1990-03-20 1991-12-03 Taisei Corp Apparatus for producing and storing gaseous hydrogen
JPH05256160A (en) * 1992-03-11 1993-10-05 Mitsubishi Heavy Ind Ltd Hydrogen-fuel engine system
JPH11285235A (en) * 1998-03-27 1999-10-15 Zipangu Energy:Kk Small-sized power generating system and apparatus thereof
JP4304789B2 (en) * 1999-10-22 2009-07-29 トヨタ自動車株式会社 Exhaust gas purification device for internal combustion engine
JP4429451B2 (en) * 2000-01-31 2010-03-10 株式会社筑波バイオテック研究所 Water purification equipment containing dissolved organic matter and trace amounts of harmful substances
JP2002348694A (en) * 2001-05-23 2002-12-04 Yukio Wakahata Energy supply system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3031050A1 (en) * 1980-08-16 1982-03-25 Bittner, Siegfried, 4010 Hilden Hydrogen of commercially acceptable purity - obtd. by electrolysis of water using soluble metal anodes evolving no oxygen
US4450060A (en) * 1980-11-18 1984-05-22 Ernesto Gonzalez Bipolar electrolytic cell
WO1998042893A1 (en) * 1997-03-25 1998-10-01 Whatman Inc. Direct current hydrogen generator, system and method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 198409, Derwent World Patents Index; AN 1984-051068, XP002458751 *

Also Published As

Publication number Publication date
KR20070040793A (en) 2007-04-17
US20070272548A1 (en) 2007-11-29
NZ522619A (en) 2005-08-26
WO2005122708A2 (en) 2005-12-29
AU2005253902A1 (en) 2005-12-29
CA2570922A1 (en) 2005-12-29
EP1756332A2 (en) 2007-02-28
CN101076616A (en) 2007-11-21
WO2005122708A3 (en) 2006-02-02
JP2008502802A (en) 2008-01-31

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