Electrical storage device and electrode thereof
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United States of America Patent
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Jul 26, 2016
Grant Date -
Sep 27, 2012
app pub date -
Aug 27, 2010
filing date -
Aug 27, 2009
priority date (Note) -
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Abstract
The present invention generally relates to electrodes, electrical storage devices comprising the electrodes, and methods for producing the electrodes and electrical storage devices. The electrodes comprise a current collector, an electrically conductive mat, and a first and second electroactive material, the first electroactive material having a higher energy density than the second electroactive material, and the second electroactive material having a higher rate capability than the first electroactive material. The electrically conductive mat provides a structural and conductive support for at least one of the high-rate and high-energy electroactive materials. The electrodes can be provided in various configurations and be used in high-rate high-energy electrical storage devices to provide improved cycle life.
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