GB2212487C - Hydrogen storage method and hydride electrode materials - Google Patents

Hydrogen storage method and hydride electrode materials

Info

Publication number
GB2212487C
GB2212487C GB8825053A GB8825053A GB2212487C GB 2212487 C GB2212487 C GB 2212487C GB 8825053 A GB8825053 A GB 8825053A GB 8825053 A GB8825053 A GB 8825053A GB 2212487 C GB2212487 C GB 2212487C
Authority
GB
United Kingdom
Prior art keywords
hydrogen storage
storage method
electrode materials
hydride electrode
hydride
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.)
Expired - Fee Related
Application number
GB8825053A
Other languages
English (en)
Other versions
GB2212487A (en
GB8825053D0 (en
GB2212487B (en
Inventor
Kuochih Hong
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB8825053D0 publication Critical patent/GB8825053D0/en
Publication of GB2212487A publication Critical patent/GB2212487A/en
Application granted granted Critical
Publication of GB2212487B publication Critical patent/GB2212487B/en
Publication of GB2212487C publication Critical patent/GB2212487C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen; Reversible storage of hydrogen
    • C01B3/02—Production of hydrogen; Production of gaseous mixtures containing hydrogen
    • C01B3/06—Production of hydrogen; Production of gaseous mixtures containing hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen with inorganic reducing agents
    • C01B3/08—Production of hydrogen; Production of gaseous mixtures containing hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen with inorganic reducing agents by reaction of inorganic compounds with metals
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/03—Alloys based on nickel or cobalt based on nickel
    • C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen; Reversible storage of hydrogen
    • C01B3/0005—Reversible storage of hydrogen, e.g. by hydrogen getters or electrodes
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen; Reversible storage of hydrogen
    • C01B3/0005—Reversible storage of hydrogen, e.g. by hydrogen getters or electrodes
    • C01B3/001—Reversible storage of hydrogen, e.g. by hydrogen getters or electrodes characterised by the uptaking media; Treatment thereof
    • C01B3/0018—Inorganic elements or compounds, e.g. oxides, nitrides, borohydrides or zeolites; Solutions thereof
    • C01B3/0031—Intermetallic compounds; Metal alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/03—Alloys based on nickel or cobalt based on nickel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/24—Electrodes for alkaline accumulators
    • H01M4/242—Hydrogen storage electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
    • H01M4/383—Hydrogen absorbing alloys
    • 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
    • Y02E60/10—Energy storage using batteries
    • 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
    • Y02E60/32—Hydrogen storage
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S420/00—Alloys or metallic compositions
    • Y10S420/90—Hydrogen storage

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Hydrogen, Water And Hydrids (AREA)
GB8825053A 1987-11-17 1988-10-26 Hydrogen storage method and hydride electrode materials Expired - Fee Related GB2212487C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/122,042 US4849205A (en) 1987-11-17 1987-11-17 Hydrogen storage hydride electrode materials

Publications (4)

Publication Number Publication Date
GB8825053D0 GB8825053D0 (en) 1988-11-30
GB2212487A GB2212487A (en) 1989-07-26
GB2212487B GB2212487B (en) 1992-08-19
GB2212487C true GB2212487C (en) 1996-02-13

Family

ID=22400266

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8825053A Expired - Fee Related GB2212487C (en) 1987-11-17 1988-10-26 Hydrogen storage method and hydride electrode materials

Country Status (6)

Country Link
US (1) US4849205A (Direct)
JP (1) JP2609463B2 (Direct)
KR (1) KR910001298B1 (Direct)
DE (1) DE3832269A1 (Direct)
FR (2) FR2623271B1 (Direct)
GB (1) GB2212487C (Direct)

Families Citing this family (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA832570B (en) * 1982-04-28 1984-01-25 Energy Conversion Devices Inc Improved rechargeable battery and electrode used therein
EP0342654B1 (en) * 1988-05-17 1993-09-15 Mitsubishi Materials Corporation Hydrogen absorbing ni-based alloy and rechargeable alkaline battery
US5490970A (en) * 1988-06-28 1996-02-13 Matsushita Electric Industrial Co., Ltd. Method of producing hydrogen-storing alloy and electrode making use of the alloy
JPH07103435B2 (ja) * 1988-10-18 1995-11-08 三菱マテリアル株式会社 水素吸蔵Ｎｉ基合金および密閉型Ｎｉ―水素蓄電池
JPH07103434B2 (ja) * 1988-10-18 1995-11-08 三菱マテリアル株式会社 水素吸蔵Ｎｉ基合金および密閉型Ｎｉ―水素蓄電池
JP2537084B2 (ja) * 1989-02-21 1996-09-25 古河電池株式会社 水素吸蔵合金電極
JPH0624065B2 (ja) * 1989-02-23 1994-03-30 日本鋼管株式会社 磁気ディスク基板
NL8901776A (nl) * 1989-07-11 1991-02-01 Philips Nv Elektrochemische cel.
US5002730A (en) * 1989-07-24 1991-03-26 Energy Conversion Devices Preparation of vanadium rich hydrogen storage alloy materials
US5104617A (en) * 1990-04-26 1992-04-14 Energy Conversion Devices, Inc. Catalytic hydrogen storage electrode materials for use in electrochemical cells and electrochemical cells incorporating the materials
IL96391A (en) * 1989-11-24 1995-05-26 Energy Conversion Devices Inc Catalytic hydrogen storage electrode materials for use in electrochemical cells
US5096667A (en) * 1989-11-24 1992-03-17 Energy Conversion Devices, Inc. Catalytic hydrogen storage electrode materials for use in electrochemical cells and electrochemical cells incorporating the materials
JP2627963B2 (ja) * 1990-01-31 1997-07-09 古河電池株式会社 水素吸蔵合金電極
US5407761A (en) * 1991-08-14 1995-04-18 Ovinic Battery Company, Inc. Electrochemical hydrogen storage alloys and batteries fabricated from these alloys having significantly improved capacity
US5277999A (en) * 1991-08-14 1994-01-11 Ovonic Battery Company, Inc. Electrochemical hydrogen storage alloys and batteries fabricated these alloys having significantly improved performance characteristics
US5536591A (en) * 1990-04-26 1996-07-16 Ovonic Battery Company, Inc. Electrochemical hydrogen storage alloys for nickel metal hydride batteries
US5238756A (en) * 1990-04-26 1993-08-24 Ovonic Battery Company Electrode alloy having decreased hydrogen overpressure and/or low self-discharge
JPH04176833A (ja) * 1990-11-09 1992-06-24 Furukawa Battery Co Ltd:The 水素吸蔵合金電極
EP0530659B1 (en) * 1991-08-29 1997-11-05 The Furukawa Electric Co., Ltd. Method of manufacturing a hydrogen storage alloy electrode
DE69326374T2 (de) * 1992-04-13 2000-04-06 Matsushita Electric Industrial Co., Ltd. Wasserstoffspeicherlegierung Elektrode
US5330861A (en) * 1992-05-07 1994-07-19 Ovonic Battery Company, Inc. Metal hydride cells having improved cycle life and charge retention
FR2691981B1 (fr) * 1992-06-03 1995-02-10 Alsthom Cge Alcatel Matériau hydrurable pour électrode négative d'accumulateur nickel-hydrure et son procédé de préparation.
JP3438142B2 (ja) * 1992-09-18 2003-08-18 松下電器産業株式会社 中・大容量密閉式金属酸化物・水素蓄電池
JP2775380B2 (ja) * 1993-07-13 1998-07-16 株式会社日本製鋼所 水素貯蔵材料
KR950009220B1 (ko) * 1993-09-13 1995-08-18 한국과학기술원 2차 전지 전극용 지르코늄계 수소 저장 합금
US5501917A (en) * 1994-01-28 1996-03-26 Hong; Kuochih Hydrogen storage material and nickel hydride batteries using same
US5733680A (en) * 1994-01-28 1998-03-31 Hong; Kuochih Method for making hydride electrodes and hydride batteries suitable for various temperatures
US5552246A (en) * 1994-03-14 1996-09-03 Hong; Kuochih Materials for hydrogen storage, hydride electrodes and hydride batteries
US5695530A (en) * 1994-03-14 1997-12-09 Hong; Kuochih Method for making high charging efficiency and fast oxygen recombination rechargeable hydride batteries
JP2719884B2 (ja) * 1994-03-28 1998-02-25 株式会社イムラ材料開発研究所 水素吸蔵合金及び水素吸蔵合金電極
US5690799A (en) * 1994-03-28 1997-11-25 Imra Material R&D Co., Ltd. Hydrogen-occluding alloy and hydrogen-occluding alloy electrode
JPH07268514A (ja) * 1994-03-28 1995-10-17 Imura Zairyo Kaihatsu Kenkyusho:Kk 水素吸蔵合金及び水素吸蔵合金電極
FR2718887B1 (fr) * 1994-04-15 1996-05-31 Accumulateurs Fixes Matériau hydrurable pour électrode négative d'accumulateur nickel-métal hydrure.
US5554456A (en) * 1994-06-14 1996-09-10 Ovonic Battery Company, Inc. Electrochemical hydrogen storage alloys and batteries containing heterogeneous powder particles
WO1996028579A1 (en) * 1995-03-09 1996-09-19 Mitsubishi Materials Corporation Hydrogen occluding alloy and electrode made of the alloy
US5951945A (en) * 1995-06-13 1999-09-14 Mitsubishi Materials Corporation Hydrogen occluding alloy and electrode made of the alloy
US5885378A (en) * 1995-07-12 1999-03-23 Mitsubishi Materials Corporation Hydrogen occluding alloy and electrode made of the alloy
DE69608182T2 (de) * 1995-07-18 2000-10-05 Matsushita Electric Industrial Co., Ltd. Wasserstoffspeichernde Legierung und Elektrode daraus
RU2125537C1 (ru) * 1996-05-13 1999-01-27 Самарский государственный технический университет Способ хранения водорода
US5721066A (en) * 1996-11-07 1998-02-24 Hong; Kuochih Battery using light weight electrodes
US5964993A (en) * 1996-12-19 1999-10-12 Implanted Biosystems Inc. Glucose sensor
US5914026A (en) * 1997-01-06 1999-06-22 Implanted Biosystems Inc. Implantable sensor employing an auxiliary electrode
KR100264343B1 (ko) 1997-07-16 2000-08-16 윤덕용 2차 전지 전극용 고용량 및 고성능 Zr계 수소저장합금
US6120936A (en) * 1998-08-27 2000-09-19 Ovonic Battery Company, Inc. Method for powder formation of a hydrogen storage alloy
US6413670B1 (en) * 1998-12-02 2002-07-02 Ovonic Battery Company, Inc. High power nickel-metal hydride batteries and high power alloys/electrodes for use therein
US6841512B1 (en) * 1999-04-12 2005-01-11 Ovonic Battery Company, Inc. Finely divided metal catalyst and method for making same
US6270719B1 (en) * 1999-04-12 2001-08-07 Ovonic Battery Company, Inc. Modified electrochemical hydrogen storage alloy having increased capacity, rate capability and catalytic activity
KR100317556B1 (ko) * 1999-11-05 2001-12-24 윤덕용 Ｎｉ/ＭＨ 2차전지용 음극용 비화학양론비의 Ｚｒ-Ｎｉ계수소저장합금
JP2001266931A (ja) 2000-03-23 2001-09-28 Sanyo Electric Co Ltd ニッケル−水素蓄電池
JP4078522B2 (ja) * 2002-01-31 2008-04-23 Ｊｆｅスチール株式会社 ハイブリッド型水素貯蔵容器および容器への水素貯蔵方法
US6830725B2 (en) * 2003-04-01 2004-12-14 Texaco Ovonic Battery Systems, Llc Hydrogen storage alloys having a high porosity surface layer
US7250386B2 (en) * 2003-07-18 2007-07-31 Energy Conversion Devices, Inc. Quantum limit catalysts and hydrogen storage materials
US7108757B2 (en) * 2003-08-08 2006-09-19 Ovonic Hydrogen Systems Llc Hydrogen storage alloys providing for the reversible storage of hydrogen at low temperatures
PL1912823T3 (pl) 2005-08-04 2012-08-31 Johnson Controls Tech Co Konfigurowalny system siedzenia oraz konsoli
ITMI20120872A1 (it) * 2012-05-21 2013-11-22 Getters Spa Leghe getter non evaporabili particolarmente adatte per l'assorbimento di idrogeno e azoto
ITMI20131921A1 (it) * 2013-11-20 2015-05-21 Getters Spa Leghe getter non evaporabili particolarmente adatte per l'assorbimento di idrogeno e monossido di carbonio
JPWO2022250093A1 (Direct) * 2021-05-27 2022-12-01
EP4129535A1 (en) 2021-08-03 2023-02-08 GRZ Technologies SA Ab2 type-based hydrogen storage alloys, methods of preparation and uses thereof

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3660082A (en) * 1968-12-27 1972-05-02 Furukawa Electric Co Ltd Corrosion and wear resistant nickel alloy
US3824131A (en) * 1970-04-24 1974-07-16 K Beccu Negative electrode of titanium-nickel alloy hydride phases
CH578259A5 (Direct) * 1972-04-06 1976-07-30 Battelle Memorial Institute
US4112199A (en) * 1975-12-30 1978-09-05 Communications Satellite Corporation Lanthanum nickel hydride-hydrogen/metal oxide cell
JPS53146910A (en) * 1977-05-10 1978-12-21 Matsushita Electric Ind Co Ltd Hydrogen storing material
JPS5591950A (en) * 1978-12-28 1980-07-11 Agency Of Ind Science & Technol Hydrogen storing metallic material
JPS59208036A (ja) * 1983-05-11 1984-11-26 Agency Of Ind Science & Technol 水素吸蔵用合金
US4551400A (en) * 1984-04-18 1985-11-05 Energy Conversion Devices, Inc. Hydrogen storage materials and methods of sizing and preparing the same for electrochemical applications
JPS60241652A (ja) * 1984-05-16 1985-11-30 Matsushita Electric Ind Co Ltd 金属水素化物を用いた電気化学用電極
CA1273825A (en) * 1985-03-29 1990-09-11 Jonathan H. Harris Amorphous metal alloy compositions for reversible hydrogen storage
US4728580A (en) * 1985-03-29 1988-03-01 The Standard Oil Company Amorphous metal alloy compositions for reversible hydrogen storage
JPH0826424B2 (ja) * 1985-05-29 1996-03-13 松下電器産業株式会社 水素吸蔵合金およびその製造方法
US4716088A (en) * 1986-12-29 1987-12-29 Energy Conversion Devices, Inc. Activated rechargeable hydrogen storage electrode and method
US4728586A (en) * 1986-12-29 1988-03-01 Energy Conversion Devices, Inc. Enhanced charge retention electrochemical hydrogen storage alloys and an enhanced charge retention electrochemical cell

Also Published As

Publication number Publication date
GB2212487A (en) 1989-07-26
JPH01165737A (ja) 1989-06-29
FR2623271A1 (fr) 1989-05-19
FR2623271B1 (fr) 1995-02-10
KR890014378A (ko) 1989-10-23
KR910001298B1 (ko) 1991-03-02
DE3832269C2 (Direct) 1990-05-17
FR2628121A1 (fr) 1989-09-08
US4849205A (en) 1989-07-18
GB8825053D0 (en) 1988-11-30
JP2609463B2 (ja) 1997-05-14
GB2212487B (en) 1992-08-19
DE3832269A1 (de) 1989-05-24

Similar Documents

Publication Publication Date Title
GB2212487B (en) Hydrogen storage method and hydride electrode materials
EP0293660A3 (en) Hydrogen storage electrodes and method for making the same
EP0160491A3 (en) Enclosed lead storage battery and process for producing the same
EP0188996A3 (en) Metal hydride storage container and process for its manufacture
GB2129534B (en) Hydrogen storage materials and manufacture thereof
ZA907803B (en) Electrochemical cells and preparing carbon fibrils
EP0316916A3 (en) Separator material for storage batteries and method for making the same
EP0477461A3 (en) Nickel/hydrogen storage battery and method of manufacturing the same
ZA888942B (en) Electrochemical cell
GB8828640D0 (en) Electrochemical cell
GB8717859D0 (en) Electrochemical cell
EP0180026A3 (en) Dram cell and method
EP0443235A3 (en) Getter electrode and electrochemical cell containing the same
GB8521478D0 (en) Metallic hydride hydrogen storage
GB8916633D0 (en) Electrochemical cell and reference electrode
EP0417697A3 (en) Hydrogen storage electrode and process for producing the same
EP0266162A3 (en) Hydrogen absorption alloy electrode and hydrogen cell
GB9110563D0 (en) Electrochemical cell
SG48824A1 (en) Metal hydride electrode cell and process
IL90283A0 (en) Hydrogen storage method and hydride electrode material
GB2213310B (en) Electrochemical cell
AU2912989A (en) Electrolytic cell and process
GB8819240D0 (en) Electrochemical cell
DE3570706D1 (en) Electrochemical process and cell
GB8827942D0 (en) Electrochemical cell

Legal Events

Date Code Title Description
727 Application made for amendment of specification (sect. 27/1977)
727A Application for amendment of specification now open to opposition (sect. 27/1977)
727B Case decided by the comptroller ** specification amended (sect. 27/1977)
SP Amendment (slips) printed
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19961026

728V Application for restoration filed (sect. 28/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
728Y Application for restoration allowed (sect. 28/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20011026