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What are the recycling methods and purposes of various types of batteries?
- Jul 28, 2018 -

Different kinds of batteries are used in different situations. It is a duty to recycle wasted batteries more scientifically and economically. After hundreds of years of development, global battery brands have reached a concensus on recycling of batteries.

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For dry cells: alkaline manganese dry cells and zinc manganese dry cells, commonly known as carbon and alkaline batteries. Such batteries are now required to contain no mercury, so they are safe. Therefore, they do not need to be recycled, but people are encouraged to recycle them for metal and copper.

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For nickel batteries: nickel itself is a toxic substance. Nickel batteries include nickel cadmium and nickel hydrogen batteries, which are used as a substitute for alkaline batteries on many occasions.  Many countries have set up recycle bins for the two kinds of rechargeable batteries. After recycling, metal nickel, iron, zinc and cadmium are obtained by heating, and other metal oxides can be reprocessed.

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For button cell batteries: including alkaline button cells, silver oxide batteries and lithium manganese batteries. This type of batteries, for example, 12V 23A battery and CR2032 of WinPow, is usually used in small devices and gadgets, such as calculator, watch, computer, mouse, and medical devices. The recovery process is crushing and recycling.

For lithium ion batteries: Li-ion batteries are eco-friendly but expensive. Because of great popularity, they are a hot cake for recycling companies. Positive and negative electrodes, as well as part of electrolyte can be reused.

For lead-acid batteries: No.1 in recovery rate for two reasons: containing many dangerous substances; source of chemical raw materials including plastic, sulphuric acid and lead.