Batteries are a hot area of research, and it has only been getting hotter as the EV space begins to fill up with companies eager to stake their claim in what many continue to see as an EV revolution. It is, however, more of an evolutionary process. The latest stage in that evolution was recently unveiled by GM: wireless batteries. Typically, an electric vehicle’s battery is connected to the car’s onboard management system through wires, and there’s a lot of them. GM has dispensed with that in its Ultium battery packs. Instead…