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U.S. Department of Energy
Office of Scientific and Technical Information

Enveloping a battery plate by a dip process and product produced thereby

Patent ·
OSTI ID:6494986
A dip method of enveloping a battery plate with a microporous battery separator material. The method involves a first removing air bubbles from the plate by dipping the plate in a liquid, then dipping the plate into a polymer-solvent-filler suspension. After removal from the polymer-solvent-filler suspension, the plate is dried by evaporation or contacted with a nonsolvent and then dried. The result is the formation of a microporous separator envelope about the battery plate.
Assignee:
Tiegel Manufacturing Co.
Patent Number(s):
US 4524509
OSTI ID:
6494986
Country of Publication:
United States
Language:
English