Hitachi 2010 Annual Report Download - page 27

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Hitachi฀Metals฀NEOMAX®
Neodymium-based Sintered Magnets
Hitachi Metals led the world by developing and
mass producing neodymium-based sintered
magnets*.
These magnets are used in air-conditioner
compressor motors, hybrid vehicle drive motors,
HDD head drive motors and other motors, con-
tributing to smaller sizes and higher efficiency.
* Developed by Sumitomo Special Metals Co., Ltd., which
merged with Hitachi Metals in April 2007.
Hitachi฀Chemical’s฀Carbon฀Anode฀Materials฀
for Lithium-ion Batteries
Hitachi Chemical’s carbon anode materials for lithium-ion
batteries help to make possible large capacity lithium-ion
batteries with outstanding discharge characteristics on load.
These artificial graphite globular electrodes have many fine
holes in the molecules. They are ideal for use in cold climates
because they demonstrate high discharge and charge
efficiency even at low temperatures.
Hitachi฀Cable’s฀Rolled฀Copper฀Foil฀for฀
Next-Generation฀Lithium-ion฀Batteries
Hitachi Cable developed a rolled copper foil for
next-generation lithium-ion batteries. Through
surface treating of the high-strength, high-
temperature-resistant zirconium-doped copper
alloy foil to improve contact characteristics with the
negative-electrode active material, Hitachi Cable
extended the battery life. Looking ahead, in addi-
tion to consumer electronics applications, demand
is expected for use in automobiles.
25
Hitachi, Ltd. Annual Report 2010