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A process of controlling the morphology of graphite

A technology of graphite and morphology, applied in the direction of graphene, chemical instruments and methods, physical/chemical process catalysts, etc., can solve problems such as methods that have not yet been commercially developed

Pending Publication Date: 2018-07-31
HAZER GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] Although the above process is known, it has not been commercially exploited for a number of economic reasons, mainly involving the cost of base catalyst in the initial supply and the cost of recycling and regenerating the catalyst

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  • A process of controlling the morphology of graphite
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  • A process of controlling the morphology of graphite

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Embodiment Construction

[0084] Those skilled in the art will appreciate that the invention described herein is susceptible to variations and modifications other than those specifically described. The present invention includes all such changes and modifications. The invention also includes all of the steps, features, formulations and compounds referred to or indicated in the specification, individually or collectively, and any and all combinations or any two or more of said steps or features.

[0085] Every document, reference, patent application, or patent cited herein is expressly incorporated by reference in its entirety, meaning it should be read and considered as part of this text by the reader. Documents, references, patent applications or patents cited herein are not repeated herein solely for reasons of brevity. However, neither the cited material nor the information contained in the material should be construed as common general knowledge.

[0086] Manufacturer's instructions, instructions...

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Abstract

A process of controlling the morphology of graphite in a process for the production of graphite, the process comprising: contacting at elevated temperature, a metal-containing catalyst with a hydrocarbon gas to catalytically convert at least a portion of the hydrocarbon gas to hydrogen and carbon; wherein the temperature is between 600 DEG C and 1000 DEG C and a pressure between 0 bar(g) and 100 bar(g), and wherein both the temperature and the pressure are set within predetermined value ranges to selectively synthesise graphitic material with a desired morphology.

Description

technical field [0001] The present invention relates to a method of controlling the morphology of graphite during the production of graphite. Background technique [0002] Solid carbon, or more specifically graphite, is considered a key material in the emerging green technology market. It has proven useful in energy storage, electric vehicles, photovoltaics and modern electronics. Since different forms of graphite exhibit different properties, the commercial use of graphite is also highly dependent on the form. [0003] According to reaction formula (1), natural gas can be catalytically cracked into solid carbon and hydrogen. [0004] CH 4 →C+2H 2 (1) [0005] ΔH 裂解,298K =74.81kJ / mol, ΔG 裂解,298K =50.72kJ / mol [0006] In this method, solid carbon material is deposited on the surface of the catalyst and hydrogen gas is released. There are many known catalysts that can be used in this method, including noble metal, transition metal and carbon-based catalysts. [0007...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J23/70B01J23/745D01F9/127
CPCB01J23/745D01F9/127C01B32/15C01B32/162C01B32/18C01B32/186B01J35/002C01B32/205C01B32/184D01F9/1272
Inventor 安德鲁·科尔内霍
Owner HAZER GRP
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