Europe desperately needs an energy storage revolution. As the region gets rocked by the third energy crisis in four years, the continent’s insufficient indigenous energy systems, and backups to those systems, has become abundantly and painfully clear. "We swore we’d learn. We promised things would change but here we are," a ‘highly frustrated European diplomat’ was recently (anonymously) quoted by the BBC in March. As a result, the continent is now in an incredibly precarious position that could leave the bloc highly…