GM says it has developed cells that will make batteries cheaper and more energy dense. The automaker aims to be the first to bring them to market.

General Motors expects to pioneer a new “groundbreaking” EV battery technology that the automaker says will reduce costs and boost profitability of its largest electric SUVs and trucks.

Designed to power GM’s future electric and full-size SUVs, the new technology boasts an incredible 33 percent increase in energy density over today’s best lithium iron phospha