Toyota and Panasonic are teaming up on batteries that Toyota itself and other automakers could use in future electric cars. Rather than building cylindrical batteries like the type that Tesla and other EV makers use, the two companies are exploring the development of prismatic cells. Those are square, flat batteries with aluminum housings and are typically used in cell phones. They can be made smaller and lighter than battery packs that use cylindrical cells, but tend to cost more a…..Read more