ELECTROCHEMICAL CELL FOR HIGH-VOLTAGE OPERATION AND ELECTRODE COATINGS FOR USE IN THE SAME
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May 23, 2013
app pub date -
Oct 12, 2012
filing date -
Oct 12, 2011
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Abstract
Electrochemical cell for high-voltage operation and electrode coatings for the same. The electrochemical cell and electrode coatings of the present invention can preferably withstand charging voltages to at least 5-Volts. In one embodiment, the electrochemical cell can include an anode, a cathode, a separator, and an electrolyte, wherein the anode, the cathode, and the separator are operatively associated with the electrolyte. The cathode can include, for example, a mixture of a metal oxide, an elongated carbon structure, and a conductive material. The metal oxide can be, for example, a lithium-nickel-manganese oxide, such as LiNi0.5Mn1.5O4. The elongated carbon structure can be, for example, a carbon nanotube, a carbon fibril, or a carbon fiber. The conductive material can be, for example, a conductive carbon. The metal oxide, the elongated carbon structure, and the conductive material can be bound together, for example, with a binder.
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