Anode – Typically made of reactive materials like lithium or zinc, the anode undergoes oxidation, releasing electrons. Cathode – A material capable of accepting electrons, the cathode undergoes ...

I'm sure you've noticed that you see a notable difference in how well a phone battery holds a charge after a year or so. If you keep a phone long enough, its battery may not even have enough charge to ...

Chances are you've owned a battery-powered device at some point in your life that's let you down. Maybe it was a cordless drill with a sudden lack of torque, or a smartphone that had you reaching for ...