Preparation method of porous nitrogen-doped graphene/carbon nanotube composite conductive agent

A nitrogen-doped graphene and carbon nanotube composite technology, applied in circuits, electrical components, battery electrodes, etc., can solve the problems of restricting the pace of industrial applications, high cost, and high energy consumption, and achieve excellent three-dimensional conductive network structure, Convenient and easy to obtain fecundity, the effect of mild reaction conditions
CN107039656AInactive Publication Date: 2017-08-11HEFEI GUOXUAN HIGH TECH POWER ENERGY
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
HEFEI GUOXUAN HIGH TECH POWER ENERGY
Publication Date
2017-08-11
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a preparation method of a porous nitrogen-doped graphene / carbon nanotube composite conductive agent. The preparation method comprises the steps of inoculating phanerochaete chrysosporium into a seed expansion culture solution for aerobic culture to obtain a seed liquid; adding the seed liquid and a graphene suspension liquid into a nutrition limitation culture solution, and dispersing the product subjected to constant-temperature shaking culture and processing in deionized water to obtain a nanopore graphene oxide suspension liquid; mixing the product and a carbon nanotube suspension liquid, performing ultrasonic processing, adding the mixed suspension liquid to an anaerobic denitrifying bacteria culture solution, and inoculating denitrifying bacteria seed liquid for anaerobic culture to obtain the porous nitrogen-doped graphene / carbon nanotube composite conductive agent. A two-step green preparation method is employed, a toxic reagent is not used, the preparation method has the advantages of moderate and controllable reaction process and low cost, and is easy to promote, and the prepared porous nitrogen-doped graphene / carbon nanotube composite conductive agent can be widely applied into the fields of a lithium ion battery and the like.
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Description

Technical field

[0001] The invention relates to a preparation method of graphene / carbon nanotube conductive agent, in particular to a green preparation method of porous nitrogen-doped graphene / carbon nanotube. Background technique

[0002] Two-dimensional graphene and one-dimensional carbon nanotubes are widely used in the fields of lithium-ion battery conductive agents due to their excellent electrical conductivity, thermal conductivity, mechanical and mechanical properties. Compared with the traditional artificial graphite KS-6, it has an amount Low, significantly improved conductivity and other advantages. At the same time, the composite material of graphene and carbon nanotubes, because it can construct a good three-dimensional conductive network, has attracted more and more attention from researchers and engineers, and is gradually applied to the fields of lithium ion battery conductive agents. Recently, N-doped graphene is prepared into N-doped graphene, which can be appli...

Claims

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