Bipolar battery plate
Patent
·
OSTI ID:5690727
A liquid-impermeable plate having throughplate conductivity with essentially zero resistance comprises an insulator sheet having a series of spaced perforations each of which contains a metal element sealingly received into the perforation. A low-cost plate can readily be manufactured by punching a thermoplastic sheet such as polypropylene with a punching tool, filling the apertures with lead spheres having a diameter smaller than the holes but larger than the thickness of the sheet, sweeping excess spheres off the sheet with a doctor blade and then pressing a heated platen onto the sheet to swage the spheres into a cylindrical shape and melt the surrounding resin to form a liquid-impermeable collar sealing the metal into the sheet.
- Assignee:
- California Institute of Technology
- Patent Number(s):
- US 4542082
- OSTI ID:
- 5690727
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
25 ENERGY STORAGE
250903* -- Energy Storage-- Batteries-- Materials
Components
& Auxiliaries
BATTERY SEPARATORS
CONFIGURATION
CYLINDRICAL CONFIGURATION
DESIGN
ELECTRIC BATTERIES
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELECTROCHEMICAL CELLS
FABRICATION
MATERIALS
MATERIALS WORKING
OPENINGS
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PERMEABILITY
PETROCHEMICALS
PETROLEUM PRODUCTS
PHYSICAL PROPERTIES
PLASTICS
POLYMERS
POLYOLEFINS
POLYPROPYLENE
PRESSING
SEALS
SLEEVES
SPHERES
SYNTHETIC MATERIALS
THERMOPLASTICS
250903* -- Energy Storage-- Batteries-- Materials
Components
& Auxiliaries
BATTERY SEPARATORS
CONFIGURATION
CYLINDRICAL CONFIGURATION
DESIGN
ELECTRIC BATTERIES
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELECTROCHEMICAL CELLS
FABRICATION
MATERIALS
MATERIALS WORKING
OPENINGS
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PERMEABILITY
PETROCHEMICALS
PETROLEUM PRODUCTS
PHYSICAL PROPERTIES
PLASTICS
POLYMERS
POLYOLEFINS
POLYPROPYLENE
PRESSING
SEALS
SLEEVES
SPHERES
SYNTHETIC MATERIALS
THERMOPLASTICS