TOKYO -- TDK plans to spend over 100 billion yen ($841 million) between fiscal 2015 and fiscal 2017 to ramp up production of lithium-ion batteries, company sources said on Saturday.
TDK's factory in Thailand
The Japanese company invested less than 50 billion yen in its Li-ion battery business during the previous three-year period, through fiscal 2014, which ended last March.
