The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9340429 B1

PDF
Full Text
Expired
Date of Patent:
May. 17, 2016

Filed:

Apr. 29, 2015
Applicant:

National Tsing Hua University, Hsinchu, TW;

Inventor:

Swe-Kai Chen, Hsinchu, TW;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C01B 31/04 (2006.01);
U.S. Cl.
CPC ...
C01B 31/04 (2013.01);
Abstract

A preparation method for graphitized carbon material is disclosed. The method may include placing a water-cooled copper mold having a water-cooling equipment at a bottom thereof in a vacuum arc melting furnace, wherein the water-cooled copper mold has disposed thereon a graphite crucible with carbon material therein and the graphite crucible has a tungsten rod placed thereon, with a lower terminal of the tungsten rod and the carbon material within the graphite crucible aligning. The method may further include flowing a gas after placing the vacuum arc melting furnace in a vacuum environment before heating the vacuum arc melting furnace to at least 3200 degrees Celsius to graphitize the carbon material and to form a fully graphitized carbon material after cooling.


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