High-voltage and high-capacitance activated carbon and carbon-based electrodes

High-voltage and high-capacitance activated carbon and carbon-based electrodes

A positive electrode for an energy storage device includes a first activated carbon material comprising pores having a size of ≦1 nm, which provide a combined pore volume of >0.3 cm3/g, pores having a size of >1 nm to ≦2 nm, which provide a combined pore volume of ≧0.05 cm3/g, and 2 nm. A nega...

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Hauptverfasser: Gadkaree Kishor Purushottam, Liu Jia
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BASIC ELECTRIC ELEMENTS
CAPACITORS
CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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creator Gadkaree Kishor Purushottam
Liu Jia
description A positive electrode for an energy storage device includes a first activated carbon material comprising pores having a size of ≦1 nm, which provide a combined pore volume of >0.3 cm3/g, pores having a size of >1 nm to ≦2 nm, which provide a combined pore volume of ≧0.05 cm3/g, and 2 nm. A negative electrode for the energy storage device includes a second activated carbon material comprising pores having a size of ≦1 nm, which provide a combined pore volume of ≦0.3 cm3/g, pores having a size of >1 nm to ≦2 nm, which provide a combined pore volume of ≧0.05 cm3/g, and 2 nm. The total oxygen content in at least the first activated carbon material is at most 1.5 wt. %.
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A negative electrode for the energy storage device includes a second activated carbon material comprising pores having a size of ≦1 nm, which provide a combined pore volume of ≦0.3 cm3/g, pores having a size of &gt;1 nm to ≦2 nm, which provide a combined pore volume of ≧0.05 cm3/g, and &lt;0.15 cm3/g combined pore volume of any pores having a size of &gt;2 nm. 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subjects BASIC ELECTRIC ELEMENTS
CAPACITORS
CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title High-voltage and high-capacitance activated carbon and carbon-based electrodes
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