专家质疑Donut电池宣传存在漏洞

Whistleblower alleges Finnish startup’s vaunted solid-state battery isn’t what it claims MARK PEPLOW I t was the most electric battery story of the year. Since January, Finnish startup Donut Lab has whipped up excitement about a revolutionary solid-state battery (SSB) that it claims combines lightning-fast charging with high energy density and durability. These batteries would not only outpace today’s electric vehicle (EV) batteries, but also be safer and cheaper. Lehtimäki said Donut’s parent company, Verge Motorcycles, would install the batteries this year in its electric motorcycles. True believers hailed a new dawn in electrification. But Yang Hongxin, CEO of Chinese batterymaker SVOLT, reportedly called Donut’s battery a “scam”—and he wasn’t alone. …