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What Are Nickel-Cadmium Batteries?

Overview of Nickel-Cadmium Batteries

• Nickel-cadmium (NiCd) batteries are rechargeable batteries commonly used in wireless devices such as mobile phones, shavers, camcorders, flashes, portable electronics, and tools.

• The anode (negative pole) of these batteries is made from metallic cadmium, which loses electrons during the discharge process.

• The cathode (positive pole), which receives the electrons, consists of metallic nickel coated with hydrated nickel oxide.

Chemical Reactions and Functionality

• The chemical reactions occurring within NiCd batteries produce insoluble products that adhere to the electrodes until the battery discharges completely.

• Once the battery stops functioning due to depletion, it can be recharged using a device connected to a household electricity supply known as a charger.

Advantages of Nickel-Cadmium Batteries