There are two ways of thinking about EV and energy storage batteries – either the inevitable momentum of lithium ion designs has already won the day, stop doubting it – or something will come along which is better and cheaper and will overnight eliminate the weaknesses of lithium ion. Investors have backed over 150 lithium ion battery factories, some with slightly different chemistries from one another – for instance using less expensive and more readily available materials for the cathode. And the owners of these factories will battle it out over the next 10 to 15 years to see who owns the market – and it will be price and reputation that win the day. This week there was another…