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Characteristics of scmg

  1. 1. Characteristics of SCMGTM SCMGTM is produced by first processing raw material ofcarbon with SDK’s proprietary technologyto optimize its shape as anode material,and heating it at high temperatures in a special graphitizing furnace. The use of SCMGTM improves load currentcharacteristic and charge & discharge cycle life of lithium -ion batteries (see graphs 1 and 2 below). Graph 1: Rapid discharge characteristic (4C) of lithium-ion batteries using SCMGTM Graph 2: Charge/discharge cycle life of lithium-ion batteries using SCMGTM The improvementin load currentcharacteristic enables the use ofheavy current while the improvementin cycle life ensures long-term use ofbatteries. Thus,SCMGTM has been adopted for use in various models ofEVs that will be launched this year on the world market. Market for lithium-ion batteries in EVs Automakers are now working hard to develop eco-friendly cars in view of the environmental problems,such as global warming,and the depletion ofoil and natural gas resources. Hybrid cars, in which both electric motors
  2. 2. and engines are installed,have alreadyreached the stage of commercial production. Furthermore,plug-in hybrid cars and EVs—driven solelyby electric motors—are now reaching the commercial production stage. These eco-friendlycars require high-performance batteries thatcan store a large amountofelectric power in a relatively small space. Producers ofautomobiles and electric appliances are developing lithium-ion batteries to meetsuch demand. As part of that developmenteffort, SCMGTM has been evaluated for automotive applications. Capacity expansion SDK has alreadystarted expanding its SCMGTM production capacity at Omachi,modifying the special graphitizing furnace and adding new powder processing units for completion bythe end of this year. SDK will establish a competitive production setup through efficientcapital investment,fully utilizing its existing facilities at Omachi for the production of graphite electrodes. While carefully watching the trends in demand for lithium -ion batteries for cars and determining the synergy, SDK will make further investments in graphite-anode-material production facilities,centering on the special graphitizing furnace. The total investmentin the 2009-2012 period is expected to reach approximately 2 billion JPY. SDK’s lithium-ion-battery-related carbon business Besides SCMGTM ,SDK has been producing and selling VGCFTM carbon nanotubes since 1996. When added in the electrodes oflithium-ion batteries, VGCFTM provides better electric conductivity. Demand for VGCFTM has been increasing due to the rise in the production volume of lithium -ion batteries. The demand increase is also due to the recenttrends that VGCFTM , which was at first added in anodes only, is now added in cathodes as well. Thus,in 2007,SDK expanded its VGCFTM production capacity from 40 tons a year to 100 tons a year. SDK has succeeded in the development ofSCMGTM on the strength of its lithium-ion batteryevaluation technologydeveloped jointly with customers through R&D of VGCFTM . Also, SDK’s proprietaryhigh-temperature graphitizing technology,accumulated over manyyears in the graphite electrode business,has contributed to the success. We will provide high-qualityproducts based on an efficient production setup,seeking synergies with the graphite electrode production capabilities atOmachi. Under the Passion Extension for 2009 and 2010,SDK is strengthening its R&D efforts in the area of environmental protection and energyconservation to meetincreasing social needs. In particular,we will step up R&D pertaining to metal and inorganics,including graphite,in which we have competitive strengths due to the accumulation oftechnologies.

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Characteristics of scmg

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