By Kim Yoo-chul
Staff Reporter
Eco-friendliness is the auto industry's new theme.
Driving it forward are batteries that are emerging as a new power source for hybrid or electric cars, replacing gasoline engines.
It has spawned a big market from which almost everyone wants a piece.
LG Chem is looking to strike a big deal to supply batteries to General Motors. Samsung is trying to kick-start an effort to overtake its rival. The global battery market is worth $36 billion and is expected to surpass $50 billion in five years.