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This varies depending on the specific battery "chemistry" used.

  • the old carbon-zinc batteries used - carbon, zinc-Mercury alloy (with iron grains contamination in the zinc), zinc chloride paste, water, manganese dioxide (to suppress hydrogen gas formation), porous paper separator
  • modern alkaline batteries use - carbon, zinc, potassium hydroxide paste, water, manganese dioxide (to suppress hydrogen gas formation), porous paper separator
  • lead-acid batteries use - lead, sulphuric acid, water
  • nickel cadmium batteries - nickel oxide hydroxide, cadmium, potassium hydroxide paste, water, porous paper separator
  • lithium manganese batteries - lithium, manganese dioxide, lithium perchlorate paste, propylene carbonate, propylene dimethoxyethane, porous paper separator
  • lithium ion batteries - lithium nickel manganese cobalt oxide, carbon, lithium perchlorate paste, ethylene carbonate, porous paper separator
  • etc,
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9y ago

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