Multi-layer auxiliary electrode

Patent · Tue Jan 20 00:00:00 EST 1981

OSTI ID:6277716

Helmut, H; Sprengel, D

For oxygen reduction in a battery an auxiliary electrode is provided having two layers, one with hydrophilic characteristics, the other hydrophobic. The hydrophilic layer is preferably of activated carbon bound in plastic and the hydrophobic layer of porous polytetrafluorethylene. Electrical contact is established between a conductor on the outside of the activated carbon layer and the negative main electrode. Preferably the exposed surface of the auxiliary electrode is provided with a metal ion barrier. Also preferably at least two such auxiliary electrodes are provided to make the battery orientation insensitive.

• Assignee: Varta Batterie Ag (Germany, Federal Republic Of)
• Patent Number(s): US 4246326
• OSTI ID: 6277716
• Resource Relation: Patent Priority Date: Priority date 19 Jun 1978, German, Federal Republic of (F.R. Germany)
• Country of Publication: United States
• Language: English

Related Subjects

25 ENERGY STORAGE
ELECTRODES
DESIGN
NICKEL-CADMIUM BATTERIES
ACTIVATED CARBON
OXYGEN
PLASTICS
POLYTETRAFLUOROETHYLENE
POROUS MATERIALS
ADSORBENTS
CARBON
ELECTRIC BATTERIES
ELECTROCHEMICAL CELLS
ELEMENTS
FLUORINATED ALIPHATIC HYDROCARBONS
HALOGENATED ALIPHATIC HYDROCARBONS
MATERIALS
METAL-METAL OXIDE BATTERIES
NONMETALS
ORGANIC COMPOUNDS
ORGANIC FLUORINE COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANIC POLYMERS
PETROCHEMICALS
PETROLEUM PRODUCTS
POLYETHYLENES
POLYMERS
POLYOLEFINS
SYNTHETIC MATERIALS
250903* - Energy Storage- Batteries- Materials
Components
& Auxiliaries