Method for manufacturing graphene fiber
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United States of America Patent
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Oct 23, 2018
Grant Date -
Nov 3, 2016
app pub date -
Jul 7, 2016
filing date -
Mar 15, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention relates to a method for manufacturing a graphene fiber and a graphene fiber manufactured thereby, comprising the following steps: a) preparing a dispersion liquid by dispersing graphene with a surfactant in a solvent; b) preparing a composite fiber by mixing the dispersion liquid with a polymer solution, wet spinning and drying same; and c) removing polymers by heat-treating or treating the composite fiber with strong acid. The graphene fiber manufactured by the method has superior electric and mechanical properties, is flexible, and can be utilized as a storage medium for energy, hydrogen, etc. due to porosity from having a wrinkled structure.
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International Classification(s)
- D01D:MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE....
- C01B:NON-METALLIC ELEMENTS; COMPOUNDS THEREOF
- B82Y:SPECIFIC USES OR APPLICATIONS OF NANO-STRUCTURES; ....
- D02J:FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS....
- D06M:TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D0....
- D01F:CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL....
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