Air cathode structure manufacture
Abstract
An improved air cathode structure for use in primary batteries and the like. The cathode structure includes a matrix active layer, a current collector grid on one face of the matrix active layer, and a porous, nonelectrically conductive separator on the opposite face of the matrix active layer, the collector grid and separator being permanently bonded to the matrix active layer. The separator has a preselected porosity providing low IR losses and high resistance to air flow through the matrix active layer to maintain high bubble pressure during operation of the battery. In the illustrated embodiment, the separator was formed of porous polypropylene. A thin hydrophobic film is provided, in the preferred embodiment, on the current collecting metal grid.
- Inventors:
-
- Palo Alto, CA
- Los Altos Hills, CA
- Issue Date:
- Research Org.:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- OSTI Identifier:
- 865438
- Patent Number(s):
- 4514474
- Assignee:
- Lockheed Missiles & Space Company, Inc. (Sunnyvale, CA)
- Patent Classifications (CPCs):
-
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01M - PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- DOE Contract Number:
- W-7405-ENG-48
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- air; cathode; structure; manufacture; improved; primary; batteries; matrix; active; layer; current; collector; grid; porous; nonelectrically; conductive; separator; opposite; permanently; bonded; preselected; porosity; providing; losses; resistance; flow; maintain; bubble; pressure; operation; battery; illustrated; embodiment; formed; polypropylene; hydrophobic; film; provided; preferred; collecting; metal; cathode structure; matrix active; current collector; electrically conductive; preferred embodiment; air flow; active layer; air cathode; bubble pressure; collector grid; current collecting; collecting metal; hydrophobic film; metal grid; conductive separator; /429/
Citation Formats
Momyer, William R, and Littauer, Ernest L. Air cathode structure manufacture. United States: N. p., 1985.
Web.
Momyer, William R, & Littauer, Ernest L. Air cathode structure manufacture. United States.
Momyer, William R, and Littauer, Ernest L. Tue .
"Air cathode structure manufacture". United States. https://www.osti.gov/servlets/purl/865438.
@article{osti_865438,
title = {Air cathode structure manufacture},
author = {Momyer, William R and Littauer, Ernest L},
abstractNote = {An improved air cathode structure for use in primary batteries and the like. The cathode structure includes a matrix active layer, a current collector grid on one face of the matrix active layer, and a porous, nonelectrically conductive separator on the opposite face of the matrix active layer, the collector grid and separator being permanently bonded to the matrix active layer. The separator has a preselected porosity providing low IR losses and high resistance to air flow through the matrix active layer to maintain high bubble pressure during operation of the battery. In the illustrated embodiment, the separator was formed of porous polypropylene. A thin hydrophobic film is provided, in the preferred embodiment, on the current collecting metal grid.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Jan 01 00:00:00 EST 1985},
month = {Tue Jan 01 00:00:00 EST 1985}
}