As the auto industry goes electric, the shift will require enough batteries to power more than 31 million vehicles by 2030. In 2019, the battery industry only needed enough for roughly two million EVs and hybrids, according to Deloitte. That’s left Canadian battery companies—some of which are used to research-focused workforces and hiring people with PhDs—scrambling to staff entire assembly lines as they face a talent crunch that could slow the sector’s ambitions.