The Goldsmith Analogy: What Jewellers and Battery Makers Have in Common
By the author of the Amazon Bestseller Book 'Batteries Demystified', Podcaster, & Expert in Lead Acid Battery Manufacturing Processes and Machines
Lead-acid batteries are made using lead. The anode plates and cathode plates are made using lead and lead compounds. Sulphuric acid is the electrolyte. The grid structure of the plates is manufactured using an alloy of lead, and the active material is made using lead oxide.
Lead used to make batteries by small, medium, and large industry battery manufacturers is obtained from recycled lead. Lead is recycled from scrap batteries.
Before I go into this topic in detail, I would like to give you an example to show how recycled lead is utilized.
Let me give you a comparative example using the case of jewelers. You visit a jewelry shop with your old jewelry or damaged items, such as a broken chain or ring. The jeweler does a thorough assessment of the gold, and you accept the offer based on the value of your gold ornament. The jeweler then exchanges the damaged jewelry and gives you what appears to be new gold, made from recycled materials. The gold you have given him will be melted, recycled, and converted into new jewelry, which will be sold again.
Similar is the case with the batteries that you use. The dealer who provides you with a new battery collects the batteries you have scrapped after use in your cars, buses, trucks, UPS systems, solar photovoltaic storage systems, forklifts, or inverters.
Where does this battery go? It goes to a smelter. The smelter removes the container cover and all the plastic components, separates the lead components from inside, melts them, and then makes refined lead. Refined lead is not pure lead. It may contain other metals.
The battery manufacturer needs lead alloy and lead oxide to make batteries.
The smelter adds antimony, arsenic, copper, tin, or other elements as required and specified by the battery manufacturer, and removes or adjusts the different elements from the refined lead.
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Various types of alloys are made using this recycled lead. Battery users should be aware that pure lead is not used in the manufacture of battery grids or batteries.
· In some instances, it is an antimony lead alloy. So antimony, arsenic, copper, and tin, all these things are put.
· In cases where a lead-selenium alloy for a low-maintenance battery is required, a small amount of antimony and selenium, as well as copper, tin, and sulfur, are added to form an alloy.
· The sealed maintenance-free battery lead alloy contains calcium, tin, aluminum, and other metals.
As I mentioned earlier in this article, lead oxide is another raw material used in the production of batteries. This material is made using pure lead. Pure lead, in most cases, comes from recycled lead. Recycled lead is refined and used for making lead oxide.
Lead acid batteries are recyclable, with over 90% of the batteries being made of lead, and thus, as a product, they meet the requirements of the circular economy.
This article will be beneficial to all battery users and manufacturers, as well as those who want to provide their customers with accurate information.
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