Li-Ion batteries are on a manufacturing learning curve like photovoltaic, but a few years behind. Remember the confident predictions a few years back that phot

Li-Ion batteries are on a manufacturing learning curve like photovoltaic, but a few years behind. Remember the confident predictions a few years back that photovoltaic could never be cost effective? I do, because I was one of them and I was totally wrong. I even knew the trends but somehow felt confident they couldn’t continue.