(NiCd) A rechargeable battery technology that is widely used for portable hand tools. It uses a nickel and cadmium plate and potassium hydroxide as the electrolyte. Originally invented in Sweden ...

Most laptops now use lithium-ion batteries due to superior energy density. Nickel-cadmium and nickel-metal hydride are alternatives, but a sign that you need to upgrade your computer. To identify ...

After a fire at a Monterey County battery storage facility, scientists say high levels of heavy metals were found at a nearby ...