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COKE - Coca-Cola Consolidated, Inc.
Graphite electrodes serve to transfer the electrical energy from the power supply to the steel melt in the EAF bath. They are typically made using premium petroleum needle coke, coal tar pitch, and some additives (Fruehan, 1998). Specification of needle coke for the manufacture of large diameter graphite electrodes is shown in Table 12.12.
Graphite Electrical Conductivity Tubular Needle Coke - Image Results
However, the existence of ideal graphite crystallites in green needle coke would hinder the crystallites from intersecting, therefore, the higher the ideal graphitic crystallite content (I G /I All) in the raw material was, the smaller the specific surface area and average pore size of the resulted product would be. Moreover, it was found that the lamellar structure of the precursor has also an impact on the physical and electrochemical properties of the formed porous carbon.
Preparation of needle coke from petroleum by-products ...
Graphite and Coke Graphite finds wide application thanks to its favourable combination of properties such as: • low friction, chemical inertness and absence of inherent abrasiveness; • high thermal conductivity, thermal stability and electrical conductivity; • film forming ability on metal surfaces; • relatively inoffensive nature of both
Electrochemical performance of porous carbons derived from ...
Whereas in graphite each carbon atom is bonded to three carbon atoms leaving behind one free electron to conduct electricity. Graphite is a good conductor whereas diamond is an insulator. The difference in the geometrical structure of graphite and diamond brings out a large difference in the electrical conductivity of both elements.
Carbon Additives for Polymer Compounds
Graphite rod or coal-derived rod is commonly used as both the anode and the fuel for DCFCs. Selecting an appropriate anode material is important for better operating performance of DCFCs. Research on carbon fuel anodes has concentrated on the electrochemical activity, pretreatment, effect of impurities, and operating conditions.