Feedthrough terminal for high-power cell
Patent
·
OSTI ID:6452166
A feedthrough terminal for a high power electrochemical storage cell providing low resistance coupling to the conductive elements therein while isolating the terminal electrode from the highly corrosive environment within the cell is disclosed. A large diameter, cylindrical copper electrode is enclosed in a stainless steel tube with a BN powder feedthrough seal maintained around the stainless steel tube by means of facing insulative bushings and an outer sleeve. One end of the copper conductor is silver-brazed directly to a flat, butterfly bus bar within the cell, with the adjacent end of the surrounding outer feedthrough sleeve welded to the bus bar. A threaded seal is fixedly positioned on a distal portion of the stainless steel tube immediately adjacent the distal insulative bushing so as to compress the feedthrough seal in tight fitting relation around the stainless steel tube in providing a rugged, leak-proof electrical feedthrough terminal for the power cell.
- DOE Contract Number:
- W-31109-ENG-38
- Assignee:
- ERA-08-029722; EDB-83-085054
- Patent Number(s):
- None
- Application Number:
- ON: DE83010491
- OSTI ID:
- 6452166
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
25 ENERGY STORAGE
250903* -- Energy Storage-- Batteries-- Materials
Components
& Auxiliaries
30 DIRECT ENERGY CONVERSION
300503 -- Fuel Cells-- Materials
Components
& Auxiliaries
CHEMICAL REACTIONS
CONDUCTOR DEVICES
CONNECTORS
COPPER
CORROSION
ELECTRIC CONDUCTORS
ELECTRIC CONTACTS
ELECTRICAL EQUIPMENT
ELECTROCHEMICAL CELLS
ELECTRODES
ELEMENTS
EQUIPMENT
HIGH TEMPERATURE
METALS
SEALS
TRANSITION ELEMENTS
250903* -- Energy Storage-- Batteries-- Materials
Components
& Auxiliaries
30 DIRECT ENERGY CONVERSION
300503 -- Fuel Cells-- Materials
Components
& Auxiliaries
CHEMICAL REACTIONS
CONDUCTOR DEVICES
CONNECTORS
COPPER
CORROSION
ELECTRIC CONDUCTORS
ELECTRIC CONTACTS
ELECTRICAL EQUIPMENT
ELECTROCHEMICAL CELLS
ELECTRODES
ELEMENTS
EQUIPMENT
HIGH TEMPERATURE
METALS
SEALS
TRANSITION ELEMENTS