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US Patent 6348259 - Modified electrode material and its use

US Patent Issued on February 19, 2002
Estimated Patent Expiration Date: Icon_subject March 30, 2019Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
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Abstract

The invention relates to novel manganese dioxide electrodes containing modified, electrochemically active manganese dioxide, a method for their production and their use in primary electrochemical cells. The manganese dioxide electrode contains coated or uncoated inorganic particles, in which the carrier particles consist of a material chosen from the group: mica, SiO2, Al2O3, ZrO2 and ZnO.

Other References

  • Patent Abstracts of Japan, vol. 006, No. 173 (Sep. 07, 1982)
  • Patent Abstracts of Japan, vol. 006, No. 173 (E-129) Sep. 7, 198

Inventors

Assignee

Application

No. 269536 filed on 03/30/1999

US Classes:

428/323, Including a second component containing structurally defined particles428/324, Mica428/328, Heavy metal or aluminum or compound thereof428/330, Alkali metal or alkaline earth metal or compound thereof429/224, Manganese component is active material429/232Having inorganic binder or conductive filler

Field of Search

428/402, Particulate matter (e.g., sphere, flake, etc.)428/403, Coated428/323, Including a second component containing structurally defined particles428/324, Mica428/330, Alkali metal or alkaline earth metal or compound thereof428/328, Heavy metal or aluminum or compound thereof429/224, Manganese component is active material429/232Having inorganic binder or conductive filler

Examiners

Primary: Le, Hoa Van

Attorney, Agent or Firm

US Patent References

3883368, 3945847, Coherent manganese dioxide electrodes, process for their production, and electrochemical cells utilizing them
Issued on: 03/23/1976
Inventor: Kordesch ,   et al.
4028215, Manganese dioxide electrode
Issued on: 06/07/1977
Inventor: Lewis, et al.
4072586, Manganese dioxide electrodes
Issued on: 02/07/1978
Inventor: De Nora ,   et al.
4221853, Dry electric cells
Issued on: 09/09/1980
Inventor: Tye ,   et al.
4243503, Method and electrode with admixed fillers
Issued on: 01/06/1981
Inventor: Lieb ,   et al.
4405699, Manganese dioxide electrode for lithium batteries
Issued on: 09/20/1983
Inventor: Kruger
4422917, Electrode material, electrode and electrochemical cell
Issued on: 12/27/1983
Inventor: Hayfield
4451543, Rechargeable zinc/manganese dioxide cell
Issued on: 05/29/1984
Inventor: Dzieciuch ,   et al.
5153081, Lithium manganese oxide compound
Issued on: 10/06/1992
Inventor: Thackeray, et al.
5156934, Method of making a rechargable modified manganese dioxide material and related compound and electrode material
Issued on: 10/20/1992
Inventor: Kainthia, et al.
5342712, Additives for primary electrochemical cells having manganese dioxide cathodes
Issued on: 08/30/1994
Inventor: Mieczkowska, et al.
5419986, Method of making a rechargeable manganese-oxide compound and related electrode material
Issued on: 05/30/1995
Inventor: Kainthla, et al.
5532085, Additives for alkaline electrochemical cells having manganese dioxide cathodes
Issued on: 07/02/1996
Inventor: Davis, et al.
5599644, Cathodes for electrochemical cells having additives
Issued on: 02/04/1997
Inventor: Swierbut, et al.
5658693, Manganese dioxide-based material
Issued on: 08/19/1997
Inventor: Thackeray, et al.
5674644, Manganese oxide electrode and method
Issued on: 10/07/1997
Inventor: Nazri
5698342, Electrode containing coated particles
Issued on: 12/16/1997
Inventor: Klein
5744266, Batteries and a method of manufacturing positive active material for the batteries
Issued on: 04/28/1998
Inventor: Nunome, et al.
5783328Method of treating lithium manganese oxide spinel
Issued on: 07/21/1998
Inventor: Wang

Foreign Patent References

  • 19641970 DE. 04/18/1998
  • 0 747 982 EP. 11/18/1996
  • 0747982 EP. 12/18/1996
  • 2418965 FR. 09/18/1979
  • 57 090872 JP. 06/18/1982
  • 57090872 JP. 06/18/1982
  • 97 13285 WO. 04/18/1977
  • 9217910 WO. 10/18/1992
  • 92/17910 WO. 10/18/1992
  • 96/38866 WO. 12/18/1996
  • 9638866 WO. 12/18/1996
  • 97/13285 WO. 04/18/1997
  • 9713285 WO. 10/18/1997

International Classes

B32B 005/16
H01M 004/50

Foreign Application Priority Data

1996-10-10 DE

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