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

Separators for electrochemical cells

Patent ·
OSTI ID:6815185
An electrochemical cell is described comprising a container having two electrically isolated terminals. The container has therein an anode connected to one terminal, a cathode connected to the other terminal, a fluid electrolyte, an ionizable solute dissolved in the electrolyte, and a separator positioned between and in contact with the anode and the cathode. The separator is characterized by being a substantially continuous microporous film comprising a polymer that is a copolymer of ethylene and a fully halogenated analogue of ethylene.
Assignee:
Duracell, Inc., Bethel, CT
Patent Number(s):
US 4629666
OSTI ID:
6815185
Country of Publication:
United States
Language:
English