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Patent Searching and Data


Title:
METHOD FOR PRODUCING CELLULOSE NANOFIBER CARBON
Document Type and Number:
WIPO Patent Application WO/2021/106067
Kind Code:
A1
Abstract:
Provided is a method for producing cellulose nanofiber carbon, said method including: a freezing step S2 for obtaining a frozen body by freezing a solution or a gel containing cellulose nanofibers; a drying step S3 for obtaining a dried body by drying the frozen body in a vacuum; and a carbonization step S4 for obtaining cellulose nanofiber carbon by heating and carbonizing the dried body in an atmosphere in which the dried body is not burned. In the carbonization step, the dried body is heated together with a sacrificial agent that carbonizes before the dried body and that generates a reducing gas.

Inventors:
MINOWA HIRONOBU (JP)
NOHARA MASAYA (JP)
IWATA MIKAYO (JP)
TAGUCHI HIROAKI (JP)
KOMATSU TAKESHI (JP)
Application Number:
PCT/JP2019/046141
Publication Date:
June 03, 2021
Filing Date:
November 26, 2019
Export Citation:
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Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
C01B32/05; D01F9/16; D21H11/18
Domestic Patent References:
WO2015143497A12015-10-01
WO2019026404A12019-02-07
Foreign References:
CN108910859A2018-11-30
Attorney, Agent or Firm:
MIYOSHI Hidekazu et al. (JP)
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