Battery startup collapses after investors refuse to cough up more cash

US sodium-ion battery outfit Natron has shut up shop this week, ending its 12-year attempt to make the chemistry a commercial reality.

Costs $1.4 billion

A US company is building a $1.4 billion gigaplant for a cheaper and more environmentally friendly alternative to lithium-ion batteries.

We don't need no expensive lithium 

HiNa Battery has produced what it is calling the world's first mass production run of sodium-ion batteries which don't use expensive lithium.