Separator for electrochemical cells

Patent · Tue Dec 27 00:00:00 EST 1988

OSTI ID:6048109

Griffin, R A

An electrochemical cell is described comprising a sealed casing; an anode, a cathode, a separator positioned between the anode and the cathode, and a non-aqueous electrolyte sealed in the casing; a pair of electrical terminals on the casing; means for electrically isolating the electrical terminals from each other; and means for electrically connecting the anode to one terminal and the cathode to the other terminal; wherein the anode is comprised of lithium foil, the cathode is comprised of manganese dioxide, and the separator consists essentially of a microporous polypropylene film having a thickness of about 1.5 mils and internal voids of about 60% by volume; wherein the anode, cathode, and separator are spirally wound together in a jelly roll configuration.

• Assignee: Duracell Inc., Bethel, CT
• Patent Number(s): US 4794057
• OSTI ID: 6048109
• Resource Relation: Patent File Date: Filed date 17 Jul 1987
• Country of Publication: United States
• Language: English

Related Subjects

25 ENERGY STORAGE
BATTERY SEPARATORS
DESIGN
ANODES
CATHODES
ELECTRIC BATTERIES
ELECTRIC CONTACTS
ELECTROLYTES
FOILS
LITHIUM
MANGANESE OXIDES
POLYPROPYLENE
POROSITY
SEALS
SPIRAL CONFIGURATION
VOIDS
ALKALI METALS
CHALCOGENIDES
CONFIGURATION
ELECTRICAL EQUIPMENT
ELECTROCHEMICAL CELLS
ELECTRODES
ELEMENTS
EQUIPMENT
MANGANESE COMPOUNDS
METALS
ORGANIC COMPOUNDS
ORGANIC POLYMERS
OXIDES
OXYGEN COMPOUNDS
POLYMERS
POLYOLEFINS
TRANSITION ELEMENT COMPOUNDS
250903* - Energy Storage- Batteries- Materials
Components
& Auxiliaries