Design Of Nickel-cadmium Batteries

Design Of Nickel-cadmium Batteries

Nickel-cadmium batteries, also known as NiCad batteries, are a type of rechargeable batteries that utilize the electrode materials of nickel oxide hydroxide and metallic cadmium. They were first invented in 1899 by Waldemar Jungner, but due to their high self-discharge rate and memory effect, they were not commercially viable until the 1940s when improvements were made in their design. Today, NiCad batteries are commonly used in applications such as portable electronic devices, emergency lighting, and industrial control systems. In designing NiCad batteries, a key criterion is to minimize the self-discharge rate, which can be achieved through the use of high-quality materials and precise manufacturing techniques. The memory effect can also be reduced by fully discharging and recharging the batteries periodically. Additionally, it is important to ensure that the battery cells are properly vented as NiCad batteries are prone to overheating and venting gas during charging. To prevent overcharging and thermal runaway, overcharge protection circuits should be included in the battery design. Finally, NiCad batteries must be disposed of properly due to their toxic cadmium content.

NiCad batteries, rechargeable batteries, memory effect, self-discharge rate, overcharge protection

— Kevin Harris

CITATION : "Kevin Harris. 'Design Of Nickel-cadmium Batteries.' Design+Encyclopedia. https://design-encyclopedia.com/define/design-of-nickel-cadmium-batteries?E=287668 (Accessed on October 14, 2026)"