The Next Electric-Car Battery Champion Could Be European

• Volkswagen, startups unveil ambitious plans as EV sales surge
• Continent’s market share could quadruple by 2030: BNEF

With Europe expected to lead the world in electric-car sales for a second straight year, an epic rush to build a battery-supply chain from scratch is playing out across the continent.

Fueled by state support of at least 6.1 billion euros ($7.3 billion) and investment plans totalling 10 times that in just one year….