KR970702589A - Improved Metal Hydride Hydrogen Storage Electrodes - Google Patents

Improved Metal Hydride Hydrogen Storage Electrodes

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Publication number
KR970702589A
KR970702589A KR1019960705378A KR19960705378A KR970702589A KR 970702589 A KR970702589 A KR 970702589A KR 1019960705378 A KR1019960705378 A KR 1019960705378A KR 19960705378 A KR19960705378 A KR 19960705378A KR 970702589 A KR970702589 A KR 970702589A
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KR
South Korea
Prior art keywords
alloys
hydrogen storage
storage alloy
surface stabilizing
hydrogen
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KR1019960705378A
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Korean (ko)
Inventor
한 우
아나바 악판 아나니
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존 에이치. 무어
모토롤라, 인크.
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Publication of KR970702589A publication Critical patent/KR970702589A/en

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    • 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
    • C01B3/0005—Reversible uptake of hydrogen by an appropriate medium, i.e. based on physical or chemical sorption phenomena or on reversible chemical reactions, e.g. for hydrogen storage purposes ; Reversible gettering of hydrogen; Reversible uptake of hydrogen by electrodes
    • C01B3/001—Reversible uptake of hydrogen by an appropriate medium, i.e. based on physical or chemical sorption phenomena or on reversible chemical reactions, e.g. for hydrogen storage purposes ; Reversible gettering of hydrogen; Reversible uptake of hydrogen by electrodes characterised by the uptaking medium; Treatment thereof
    • C01B3/0084—Solid storage mediums characterised by their shape, e.g. pellets, sintered shaped bodies, sheets, porous compacts, spongy metals, hollow particles, solids with cavities, layered solids
    • 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
    • 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
    • C01B3/0005—Reversible uptake of hydrogen by an appropriate medium, i.e. based on physical or chemical sorption phenomena or on reversible chemical reactions, e.g. for hydrogen storage purposes ; Reversible gettering of hydrogen; Reversible uptake of hydrogen by electrodes
    • C01B3/001—Reversible uptake of hydrogen by an appropriate medium, i.e. based on physical or chemical sorption phenomena or on reversible chemical reactions, e.g. for hydrogen storage purposes ; Reversible gettering of hydrogen; Reversible uptake of hydrogen by electrodes characterised by the uptaking medium; Treatment thereof
    • C01B3/0078—Composite solid storage mediums, i.e. coherent or loose mixtures of different solid constituents, chemically or structurally heterogeneous solid masses, coated solids or solids having a chemically modified surface region
    • 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

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Inorganic Chemistry (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

본 발명은 전기화학 전지(10)에 사용하기 위한 개선된 금속 수소화물 수소 저장 합금 전극(20)에 관한 것이다. 개선된 전극(20)은 표면 안정화 물질(25)가 상부에 배치되어 있는 수소 저장 합금 물질(22)를 포함한다.The present invention relates to an improved metal hydride hydrogen storage alloy electrode 20 for use in an electrochemical cell 10. The improved electrode 20 includes a hydrogen storage alloy material 22 having a surface stabilizing material 25 disposed thereon.

Description

개선된 금속 수소화물 수소 저장 전극(Improved Metal Hydride Hydrogen Storage Electrodes)Improved Metal Hydride Hydrogen Storage Electrodes

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 따른 개선된 금속 수소화물 수소 저장 합금 전극을 포함한 전기화학 전지를 나타내는 개략도이다,1 is a schematic representation of an electrochemical cell comprising an improved metal hydride hydrogen storage alloy electrode according to the present invention.

제2도는 표면 안정화 물질층으로 피복된 금속 수소화물 수소 저장 합금 전극의 개략적인 측면도이다.2 is a schematic side view of a metal hydride hydrogen storage alloy electrode coated with a surface stabilizing material layer.

Claims (20)

가역적으로, 전기화학적으로 수소를 저장 및 방출할 수 있는 수소 저장 합금 물질; 및 상기 수소 저장 합금 물질 상부에 배치된 표면 안정화 물질층을 포함하는 전기화학 수소 저장 전지용 전극.Hydrogen storage alloy materials capable of reversibly, electrochemically storing and releasing hydrogen; And a surface stabilizing material layer disposed over the hydrogen storage alloy material. 제1항에 있어서, 상기 표면 안정화 물질이 상기 수소 저항 합금 물질의 표면상에 산화물의 형성을 방지하는 것인 전극.The electrode of claim 1, wherein the surface stabilizing material prevents the formation of oxides on the surface of the hydrogen resistant alloy material. 제1항에 있어서, 상기 표면 안정화 물질이 수소 투과성인 것인 전극.The electrode of claim 1, wherein the surface stabilizing material is hydrogen permeable. 제1항에 있어서, 상기 표면 안정화 물질이 팔라듐, 코발트, 니켈, 구리, 금, 은, 백금, 이리듐, 바나듐, 니오븀, 티탄, 팔라듐, 합금, 코발트 합금, 니켈 합금, 구리 합금, 금 합금, 은 합금, 백금 합금, 이리듐 합금, 바나듐 합금, 니오븀 합금, 티탄 합금, 및 이의 조합물로 이루어진 군으로부터 선택되는 것인 전극.The method of claim 1, wherein the surface stabilizing material is palladium, cobalt, nickel, copper, gold, silver, platinum, iridium, vanadium, niobium, titanium, palladium, alloys, cobalt alloys, nickel alloys, copper alloys, gold alloys, silver An electrode selected from the group consisting of alloys, platinum alloys, iridium alloys, vanadium alloys, niobium alloys, titanium alloys, and combinations thereof. 제4항에 있어서, 상기 표면 안정화 물질이 팔라듐인 것인 전극.The electrode of claim 4, wherein the surface stabilizing material is palladium. 제1항에 있어서, 상기 수소 저장 합금 물질이 AB5형 수소 저장 합금 물질인 것인 전극.The electrode of claim 1, wherein the hydrogen storage alloy material is an AB 5 type hydrogen storage alloy material. 제1항에 있어서, 상기 수소 저장 합금 물질이 AB2형 수소 저장 합금 물질인 것인 전극.The electrode of claim 1, wherein the hydrogen storage alloy material is an AB 2 type hydrogen storage alloy material. 가역적으로, 전기화학적으로 수소를 저장 및 방출할 수 있는수소 저항 합금 물질을 제공하는 단계; 및 상기 수소 저장 합금 물질의 상부에 수소 투과성 표면 안정화 물질층을 배치하는 단계를 포함하는, 전기화학 수소 저장 합금 물질의 제조 방법.Providing a hydrogen resistant alloy material capable of reversibly, electrochemically storing and releasing hydrogen; And disposing a layer of hydrogen permeable surface stabilizing material on top of the hydrogen storage alloy material. 제8항에 있어서, 표면 안정화 물질층의 배치 단계가 팔라듐, 코발트, 니켈, 구리, 금, 은, 백금, 이리듐, 바나듐, 니오븀, 티탄, 팔라듐, 합금, 코발트 합금, 니켈 합금, 구리 합금, 금 합금, 은 합금, 백금 합금, 이리듐 합금, 바나듐 합금, 니오븀 합금, 티탄 합금, 및 이의 조합물로 이루어진 군으로부터 표면 안정화 물질을 선택하는 단계를 추가로 포함하는 방법.The method of claim 8, wherein the disposing step of the surface stabilizing material layer is palladium, cobalt, nickel, copper, gold, silver, platinum, iridium, vanadium, niobium, titanium, palladium, alloys, cobalt alloys, nickel alloys, copper alloys, gold Further comprising selecting a surface stabilizing material from the group consisting of alloys, silver alloys, platinum alloys, iridium alloys, vanadium alloys, niobium alloys, titanium alloys, and combinations thereof. 제9항에 있어서, 상기 표면 안정화 물질로서 팔라듐을 선택하는 추가 단계를 포함하는 방법.10. The method of claim 9 including the further step of selecting palladium as said surface stabilizing material. 제8항에 있어서, 상기 수소 저장 합금의 상부에 상기 표면 안정화 물질층을 진공 증착시키는 단계를 추가로 포함하는 방법.The method of claim 8, further comprising vacuum depositing the surface stabilizing material layer on top of the hydrogen storage alloy. 제8항에 있어서, 상기 표면 안정화 물질과 상기 수소 저장 합금 물질을 기계적으로 전단/혼합함으로써 상기 표면 안정화 물질층을 배치하는 단계를 추가로 포함하는 방법.9. The method of claim 8, further comprising disposing the surface stabilizing material layer by mechanically shearing / mixing the surface stabilizing material and the hydrogen storage alloy material. 제8항에 있어서, 상기 수소 저항 합금의 상부에 상기 표면 안정화 물질층을 전기침착하는 단계를 추가로 포함하는 방법.The method of claim 8, further comprising electrodepositing the surface stabilizing material layer on top of the hydrogen resistant alloy. 제8항에 있어서, 상기 표면 안정화 물질을 0.1μ내지 2.0μ의 두께로 침착시키는 단계를 추가로 포함하는 방법.The method of claim 8, further comprising depositing the surface stabilizing material to a thickness of 0.1 μ-2.0 μ. 가역적으로, 전기화학적으로 수소를 저장 및 방출할 수 있는 수소 저항 합금 물질을 포함하며, 상기 수소 저장 합금의 상부에 침착된 수소 투과성 표면 안정화 물질층을 갖는 네가티브 전극; 포지티브 전극; 및 전해질로 이루어지는 전기화학 수소 저장 전지.A negative electrode reversibly comprising a hydrogen resistant alloy material capable of electrochemically storing and releasing hydrogen, said negative electrode having a layer of hydrogen permeable surface stabilizing material deposited on top of said hydrogen storage alloy; Positive electrode; And an electrochemical hydrogen storage cell consisting of an electrolyte. 제15항에 있어서, 상기 표면 안정화 물질이 상기 수소 저장 합금 물질의 표면상에 산화물의 형성을 방지하는 것인 전지.The cell of claim 15, wherein the surface stabilizing material prevents the formation of oxides on the surface of the hydrogen storage alloy material. 제15항에 있어서, 상기 수소 저장 합금 물질이 팔라듐, 코발트, 니켈, 구리, 금, 은, 백금, 이리듐, 바나듐, 니오븀, 티탄, 팔라듐, 합금, 코발트 합금, 니켈 합금, 구리 합금, 금 합금, 은 합금, 백금 합금, 이리듐 합금, 바나듐 합금, 니오븀 합금, 티탄 합금, 및 이의 조합물로 이루어진 군으로부터 선택되는 것인 전지.The method of claim 15 wherein the hydrogen storage alloy material is palladium, cobalt, nickel, copper, gold, silver, platinum, iridium, vanadium, niobium, titanium, palladium, alloys, cobalt alloys, nickel alloys, copper alloys, gold alloys, And a silver alloy, platinum alloy, iridium alloy, vanadium alloy, niobium alloy, titanium alloy, and combinations thereof. 제17항에 있어서, 상기 표면 안정화 물질이 팔라듐인 것인 전지.The cell of claim 17, wherein the surface stabilizing material is palladium. 제15항에 있어서, 상기 수소 저장 합금 물질이 AB5형 수소 저장 합금 물질인 것인 전지.The cell of claim 15, wherein the hydrogen storage alloy material is an AB 5 type hydrogen storage alloy material. 제15항에 있어서, 상기 수소 저장 합금 물질이 AB2형 수소 저장 합금 물질인 것인 전극.The electrode of claim 15, wherein the hydrogen storage alloy material is an AB 2 type hydrogen storage alloy material. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019960705378A 1994-03-31 1994-03-31 Improved Metal Hydride Hydrogen Storage Electrodes KR970702589A (en)

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AU6766794A (en) 1995-10-23
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JP3462878B2 (en) 2003-11-05
CA2184377A1 (en) 1995-10-12
EP0753208A1 (en) 1997-01-15
CA2184377C (en) 2000-12-12

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