At Tesla Inc’s ballyhooed Battery Day event in September, chief executive Elon Musk set himself an ambitious target: to produce a US$25,000 electric car in three years.
Like all batteries, have the same basic components: two electrodes – a cathode and an anode – and an electrolyte that helps shuttle the charge between them, there are differences in the materials used, and that’s key to the amount of energy they hold.
Millions of units are being fitted on highways, in suburbs and at shopping mall parking lots, but distribution is uneven – more than a quarter of all public connectors in the US are in one state, California