Method of Manufacturing Biomass Hard Carbon for Negative Electrode of Sodium-ion Batteries and Sodium-ion Batteries Containing Biomass Hard Carbon Thereof
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Aug 5, 2021
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Mar 30, 2020
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Feb 4, 2020
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A method of manufacturing biomass hard carbon contains: step 1: mixing a carbon source and a nanoscale powder so as to obtain a precursor; step 2: disposing the precursor in an oxygen-free environment; step 3: carbonizing the precursor by a heating process so as to make the precursor be transformed into a hard carbon mixture; step 4: rinsing the hard carbon mixture by an acid solution, such that the hard carbon mixture has a pH value less than 0.5; step 5: modulating the pH value to be greater than 6 by using a pure water to rinse the hard carbon mixture; and step 6: producing a biomass hard carbon by drying the hard carbon mixture.
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