Researchers are making progress in developing rechargeable batteries based on potassium, a potential alternative to lithium that’s less expensive and far more plentiful, and also have shown how to derive carbon for battery electrodes from old tires.
Researchers are making progress in developing rechargeable batteries based on potassium, a potential alternative to lithium that’s less expensive and far more plentiful, and also have shown how to derive carbon for battery electrodes from old tires.