They have an energy density that makes lithium-ion batteries seem hopeless. Depending on which automaker is issuing a press release, a solid-state battery half the size of a current generation EV ...
The battery features a silicon (Si) negative electrode paired with a LiNi0.8Co0.1Mn0.1O2 (NCM811) positive electrode—both regarded as next-generation materials for high-performance lithium-ion ...