Question: what are nickel cadmium batteries made from?
Answer: Nickel-Cadmium batteries contain the chemicals Nickel (Ni) and Cadmium (Cd), in various forms and compositions. Typically the positive electrode is made of Nickel hydroxide (Ni (OH) 2) and the negative electrode is composed of Cadmium hydroxide (Cd (OH) 2), with the electrolyte itself being Potassium hydroxide (KOH).