Microporous carbons with aligned pores for supercapacitors
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United States of America Patent
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Jun 17, 2014
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Feb 28, 2013
filing date -
Feb 28, 2012
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Abstract
A microporous carbon matrix material composition for use in supercapacitor electrodes may be produced by depositing carbon on a sacrificial zeolite template via one of several methods (e.g., hydrothermal or solvo-thermal deposition, sub-atmospheric vapor phase deposition, or high-pressure infiltration of hydrocarbon vapors). The deposition produces a carbon-coated zeolite intermediary. A surface layer of carbon formed on the carbon-coated zeolite intermediary may then be refined and the refined carbon-coated zeolite intermediary may be etched to produce a microporous carbon matrix having a substantially uniform structure and substantially aligned pores. In some embodiments, the carbon-coated zeolite intermediary may be annealed after deposition.
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