HK1007408A1 - Cathodes for electrochemical cells having additives - Google Patents

Cathodes for electrochemical cells having additives Download PDF

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Publication number
HK1007408A1
HK1007408A1 HK98106312A HK98106312A HK1007408A1 HK 1007408 A1 HK1007408 A1 HK 1007408A1 HK 98106312 A HK98106312 A HK 98106312A HK 98106312 A HK98106312 A HK 98106312A HK 1007408 A1 HK1007408 A1 HK 1007408A1
Authority
HK
Hong Kong
Prior art keywords
electrochemical cell
cathode
additive
cell
tio
Prior art date
Application number
HK98106312A
Other languages
English (en)
French (fr)
Chinese (zh)
Other versions
HK1007408B (en
Inventor
M. Swierbut Wendi
C. Nardi John
Original Assignee
Eveready Battery Company, Inc.
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 Eveready Battery Company, Inc. filed Critical Eveready Battery Company, Inc.
Publication of HK1007408A1 publication Critical patent/HK1007408A1/en
Publication of HK1007408B publication Critical patent/HK1007408B/en

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Classifications

    • 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
    • H01M4/362—Composites
    • H01M4/364—Composites as mixtures
    • 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
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
    • 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
    • H01M4/06—Electrodes for primary cells
    • 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
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • 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
    • H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/028—Positive electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00—Electrolytes
    • H01M2300/0002—Aqueous electrolytes
    • H01M2300/0014—Alkaline electrolytes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/04—Cells with aqueous electrolyte
    • 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

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Inorganic Chemistry (AREA)
  • Primary Cells (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Claims (16)

  1. Wässrige alkalische elektrochemische Zelle, die eine Anode, eine Kathode und einen Elektrolyten besitzt, wobei die Kathode ein aktives Material aus Mangandioxid und einen Zusatzstoff aufweist, dadurch gekennzeichnet, daß der Zusatzstoff eine oder mehrere der Verbindungen Fe2O3-TiO2, pyrogenes TiO2, BaTiO3, K2TiO3, Nb2O5, Al2O3, CoTiO3, SrTiO3 und SnO aufweist.
  2. Elektrochemische Zelle gemäß Anspruch 1, in welcher die Anode Zink aufweist.
  3. Elektrochemische Zelle gemäß Anspruch 1, in welcher der Zusatzstoff 0,1 bis 10 Gewichtsprozente der Kathode ausmacht.
  4. Elektrochemische Zelle gemäß Anspruch 3, in welcher der Zusatzstoff 1 bis 5 Gewichtsprozente der Kathode ausmacht.
  5. Elektrochemische Zelle gemäß irgendeinem der Ansprüche 1 bis 4, in welcher der Zusatzstoff BaTiO3 aufweist.
  6. Elektrochemische Zelle gemäß irgendeinem der Ansprüche 1 bis 4, in welcher der Zusatzstoff Al2O3 aufweist.
  7. Elektrochemische Zelle gemäß irgendeinem der Ansprüche 1 bis 4, in welcher der Zusatzstoff pyrogenes TiO2 aufweist.
  8. Elektrochemische Zelle gemäß irgendeinem der Ansprüche 1 bis 4, in welcher der Zusatzstoff eine Kombination aus Anatas- und Rutil-TiO2 aufweist.
  9. Elektrochemische Zelle gemäß Anspruch 8, in welcher die Kombination aus Anatas- und Rutil-TiO2 mindestens 20 Prozent Rutil-TiO2 aufweist.
  10. Elektrochemische Zelle gemäß irgendeinem der Ansprüche 1 bis 4, in welcher der Zusatzstoff Nb2O5 aufweist.
  11. Elektrochemische Zelle gemäß irgendeinem der Ansprüche 1 bis 4, in welcher der Zusatzstoff SnO aufweist.
  12. Elektrochemische Zelle gemäß irgendeinem der Ansprüche 1 bis 4, in welcher der Zusatzstoff Fe2O3-TiO2 aufweist.
  13. Elektrochemische Zelle gemäß irgendeinem der Ansprüche 1 bis 4, in welcher der Zusatzstoff K2TiO3 aufweist.
  14. Elektrochemische Zelle gemäß irgendeinem der Ansprüche 1 bis 4, in welcher der Zusatzstoff CoTiO3 aufweist.
  15. Elektrochemische Zelle gemäß irgendeinem der Ansprüche 1 bis 4, in welcher der Zusatzstoff SrTiO3 aufweist.
  16. Elektrochemische Zelle gemäß irgendeinem der Ansprüche 7 bis 15, in welcher der Zusatzstoff 1 bis 2 Gewichtsprozente der Kathode ausmacht.
HK98106312.1A 1995-06-07 1998-06-24 Cathodes for electrochemical cells having additives HK1007408B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/485,424 US5599644A (en) 1995-06-07 1995-06-07 Cathodes for electrochemical cells having additives
US485424 1995-06-07

Publications (2)

Publication Number Publication Date
HK1007408A1 true HK1007408A1 (en) 1999-04-09
HK1007408B HK1007408B (en) 2000-10-13

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Also Published As

Publication number Publication date
KR970000136A (ko) 1997-01-21
US5599644A (en) 1997-02-04
EP0747982B1 (de) 2000-01-26
CN1147703A (zh) 1997-04-16
DE69606352T2 (de) 2000-08-24
JPH09106811A (ja) 1997-04-22
DE69606352D1 (de) 2000-03-02
EP0747982A1 (de) 1996-12-11
CA2178423A1 (en) 1996-12-08
JP4015716B2 (ja) 2007-11-28
SG68585A1 (en) 1999-11-16

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20100607