Technology:
Eliiy Power, Japan’s
leading producer of lithium-ion batteries for industrial purpose, has developed a technology to lengthen
the life of a lithium-ion battery by more than two times. By optimizing the
composition of battery materials, the company increased the discharge and
charge frequency to world’s highest standard of 12,000 times (about 10 years).
Currently the maximum frequency is 6,000 times (about 5 years). It has already
started mass producing the new lithium-ion batteries
To increase the
life of a lithium-ion battery, Eliiy reviewed the composition of lithium iron
phosphate used in the electrode successfully prevented the phenomenon that
electric current cannot flow easily in the repetition of discharge and charge
from occurring. It also developed a technology to increase the safety of a
lithium-ion battery. At the same time, it increased the flash ignition temperature
to higher than 70 degrees centigrade by changing the kind of electrolyte. The
new electrolyte will be adopted in 2013. According to a survey company, the
world market of lithium-ion battery for industrial purpose is expected to
increase from 800 million yen in 2012 to 20,000 million yen in 2020.
Eliiy Power’s
lithium-ion battery with two times
more life than the existing lithium-ion
battery
Promotion video of
lithium-ion battery by Eliiy
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