One of the most proven and historically most widely used rechargeable batteries. Very dependable and "robust" but contain cadmium and have relatively low capacity when compared to other rechargeable systems. Very good high rate discharge capabilities make them very popular in high drain applications such as power tools.
Nickel cadmium batteries are a proven technology which is widely used throughout the electronics industry. Nickel cadmium batteries have active materials consisting of a positive electrode formed from nickel hydroxide and a negative electrode made using cadmium. These batteries are classified as secondary batteries in that the chemical reaction which produces electrical energy is reversible allowing them to be used repeatedly.
The most popular type of rechargeable battery, although it tends to suffer from “memory effect” (see above). It has a high rate of energy discharge, meaning that it is low maintenance with high performance. Nickel Cadmium can deliver constant power until nearly all of the battery has been used.
"Old" rechargeable battery technology. For many years, rechargeable dry cell meant nickel-cadmium. Recently, newer technologies such as nickel-metal hydride have mostly replaced nicad, since they have better energy characteristics and don't contain toxic cadmium. The battery has a nickel-hydroxide cathode, a cadmium anode, and aqueous potassium hydroxide electrolyte. Saft is a leading manufacturer of nickel-cadmium batteries for EV applications.
A type of battery, often called Ni-Cad. They're robust and long-lasting, but can develop a memory effect - meaning the more times they charge and discharge, the less the actual usage time between charges (often referred to as the memory effect).
