Humic acid-based supercapacitors
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United States of America Patent
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Jun 25, 2019
Grant Date -
Jan 18, 2018
app pub date -
Jul 15, 2016
filing date -
Jul 15, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A supercapacitor electrode comprising a mixture of graphene sheets and humic acid, wherein humic acid occupies 0.1% to 99% by weight of the mixture and the graphene sheets are selected from a pristine graphene material having essentially zero % of non-carbon elements, or a non-pristine graphene material having 0.001% to 5% by weight of non-carbon elements wherein said non-pristine graphene is selected from graphene oxide, reduced graphene oxide, graphene fluoride, graphene chloride, graphene bromide, graphene iodide, hydrogenated graphene, nitrogenated graphene, chemically functionalized graphene, or a combination thereof; and wherein said mixture has a specific surface area greater than 500 m2/g.
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International Classification(s)
- C11B:PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EX....
- C01B:NON-METALLIC ELEMENTS; COMPOUNDS THEREOF
- C07G:COMPOUNDS OF UNKNOWN CONSTITUTION
- C08H:DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
- C08G:MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN B....
- C01G:COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLAS....
- H01G:CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWI....
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