How green is a NiCd (nickle cadmium) battery?

NiCd batteries are one of the highest growth sectors in the battery industry, used for mobile phones, toys, power tools and many other applications.

What goes into a NiCd (nickle cadmium) battery

As the name suggests, a NiCd (Nickel, Cadmium) battery is made from a mix of Nickel and Cadmium both of which are relativle abundant materials. Cadmium is a common impurity found during the production of Zinc, Nickel is extracted from its ores by a conventional roasting and reduction process.

Lifetime embodied energy

NiCd batteries are good for 800-1000 charge cycles, so have a much longer usefull life than conventional alkyline batteries.

Recycling and material recovery

NiCd batteries can and should be recycled, but most houshold batteries still end up in landfill sites were toxic substances like cadmium, and mercury can leach into the soil. 20,000 batteries are landfilled every year in the UK

Factoids [1]

It can take up to 50 times more energy to produce a battery than it actually delivers.

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