Technology:
Sumitomo Electric will
commercialize the redox (reduction-oxidation reaction) flow battery that is the
next-generation large battery within 2013. The company will build a demonstration
line in Osaka with an investment of one billion yen by April 2013 and start
mass production late 2013. The projected sales of the redox flow battery
business are 100 billion yen in 2020. Like the sodium sulfur battery, the redox
flow battery is expected to be put into practical use for a storage capacity
with a storage capacity of several thousand kW.
The redox flow
battery will be adopted by power equipment like transformer station and
contribute to building a smart city. The Japanese government also positions the
large battery as an important technology to realize the territorially distributed
power source and equalization of power burden. As always, cost reduction is
vital for the spread of redox flow battery, and Sumitomo Electric will work on
reducing the cost of continuously as mass production develops. According to a
survey company, the world large battery market will grow 3.3 times to about
2,100 billion yen in 2016 over the level in 2010.
Sumitomo Electric’s
redox flow battery
Sumitomo Electric’s
ideas for a smart city
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