Business / Economy Apr 19, 2013

World's biggest cell to store renewable energy in Hokkaido

The government plans to install the world's largest battery at an electrical substation in Hokkaido, where the use of solar power is rapidly spreading. The Ministry of Economy, Trade and Industry expects the battery, which has a storage capacity of about 60,000 kwh, to be ...

Lithium-ion makers need recharge

Business / Corporate Feb 28, 2013

Lithium-ion makers need recharge

by Hiroko Nakata

Japanese makers' share of the market for lithium-ion batteries in consumer electronics continued to fall in 2012, widening the gap with their South Korean rivals, who topped the ranking for the first time the previous year. Three Japanese makers — Panasonic Corp., Sony Corp. and ...

Business Jan 29, 2013

U.S. investigators clear battery charger on troubled 787

U.S. investigators examining the battery charger from a Boeing Co. 787 that caught fire this month in Boston have found no evidence of flaws that could have caused the incident. The U.S. National Transportation Safety Board has completed testing of the charger at the Tucson, ...