What is Cadmium used for?

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Cadmium is used in rechargeable batteries, pigments for paints and plastics, coatings and electroplating for corrosion resistance, and alloys for various industrial applications. Its excellent corrosion resistance and electrical conductivity make it valuable for these uses. However, many applications of cadmium are declining due to its high toxicity and carcinogenicity, especially in consumer products.  
Key Uses of Cadmium:

• Stabilizers:
  It is used as a stabilizer in certain plastics to improve their durability. 

• Alloys:
  Cadmium is a component of various alloys, particularly for welding and coating other materials. 

• Other Applications:
  Less common uses include semiconductors, photovoltaic devices (solar cells) , and in the manufacturing of some electronic components. 

• Batteries:
  The largest use of cadmium is in the production of nickel-cadmium (Ni-Cd) rechargeable batteries. 
• Pigments:
  Cadmium is used to make stable pigments in paints and plastics that come in yellow, orange, and red colors. 
• Coatings and Plating:
  Its high corrosion resistance makes it ideal for electroplating steel, iron, and copper to protect them from rust. 

Important Considerations:

• Toxicity: Cadmium is a toxic, non-essential element for humans and is a carcinogen. 

• Environmental Concerns: Its use has declined in many applications due to concerns about its release into the environment from sources like metal production and fossil fuel combustion. 

• Regulations: Many uses of cadmium are heavily restricted in the European Union and other regions.