F EW European startups have attracted as much attention—and none as much capital—as Northvolt. On November 21st the Swedish maker of batteries for electric vehicles ( EV s), and a would-be European champion, went bankrupt, having raised $15bn from governments and investors. Its boss, Peter Carlsson, resigned shortly after.

Northvolt's financial collapse deals a blow to Europe's plan to set up its own battery industry to power electric cars, stirring a debate about whether it needs to do more to attract investment as startups struggle to catch up with Chinese rivals.

It's about who controls the battery supply chain, and thus one of the most crucial energy technologies of tomorrow. As is the case in the U.S., Europe is trying to break free of China's iron grip on the battery space.

Northvolt transformed in a matter of months from Europe's best shot at a homegrown electric-vehicle battery champion to a struggling company.

Northvolt's financial collapse deals a blow to Europe's plan to set up its own battery industry to power electric cars, stirring a debate about whether it needs to do more to attract investment as startups struggle to catch up with Chinese rivals.

Sweden’s ambitions of having a strong electric vehicle (EV) battery industry are overshadowed by the financial collapse of battery maker Northvolt. Last month, Northvolt summarily rejected the headhunter’s scheme and filed for Chapter 11 bankruptcy protection in the United States,