钠盐电池即将颠覆电动汽车与电网储能

Analysis Green tech Salt batteries are about to shake up EVs and grid storage Stand aside, lithium: batteries made with sodium ions hold the promise of being cheaper and less flammable, reports Alec Luhn ON 5 February, a black sedan was speeding down an icy track in northern China at 95 kilometres per hour when its tyre burst, releasing a puff of white into the -32°C air. The car coasted to a stop without spinning into the snow. This was meant to demonstrate that even the harshest conditions were no barrier to the auto-maker Changan’s new line of electric vehicles, which includes the first mass-produced EV with a sodium-ion battery. …