Extended life capacitor and method

Patent · Tue Jul 28 04:00:00 EDT 1987

OSTI ID:6055477

Miller, J R

An extended life capacitor is described comprising, in combination: an enclosing body having an interior surface formed from a material highly resistance to corrosion by the electrolyte of the capacitor; double layer capacitor cells inside the enclosing body and having first and second electron-conducting end members; the capacitor cells including a high surface area carbon material impregnated with an electrolyte; means providing electrical connection external to the body, mutually insulated, to the first and second end members of the plurality of capacitor cells as anode and cathode; means to inhibit the loss of electrolyte from the interior to the exterior of the capacitor body; and the inhibiting means including an hermetically sealed body and high purity components.

• Assignee: Kennecott Corp., Cleveland, OH
• Patent Number(s): US 4683516
• OSTI ID: 6055477
• Country of Publication: United States
• Language: English

Related Subjects

25 ENERGY STORAGE
250903* -- Energy Storage-- Batteries-- Materials
Components
& Auxiliaries
ANODES
CAPACITORS
CARBON
CATHODES
CONDUCTOR DEVICES
CONNECTORS
CORROSION RESISTANCE
ELECTRIC BATTERIES
ELECTRICAL EQUIPMENT
ELECTRICAL INSULATION
ELECTROCHEMICAL CELLS
ELECTRODES
ELECTROLYTES
ELEMENTS
EQUIPMENT
IMPREGNATION
IMPURITIES
NONMETALS
SEALS
SERVICE LIFE
SURFACE AREA
SURFACE PROPERTIES