Centrifugally Cast Electrochemical Cell Components
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United States of America Patent
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Issued Date -
Oct 18, 2007
app pub date -
Apr 13, 2007
filing date -
Apr 14, 2006
priority date (Note) -
Abandoned
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Abstract
A component for an electrochemical cell is formed using centrifugal forces to densify an electrode or electrode material. In some embodiments, a binding agent may be used to mechanically bind active material for processing and normal operation. The binding agent may be a dispersed solid material as well as a pore forming material. Centrifugal casting may be used to densify electrode films for lithium ion batteries, as well as densification of other materials in various forms used in batteries, capacitors, fuel cells, sensors, and other electrochemical devices. In some embodiments, multiple layers of a device may be constructed using single or plural centrifugal processing steps.
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