GCSE Chemistry (AQA)

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Chemical Cell Types

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Energy changes Chemical cells and fuel cells

Chemical Cell Types

4:17 Chemical Reactions in Cells and Batteries
Spec 4.5.2.1
Previous Cells & Batteries Next Metal Reactivity & Cells
  • Cells and batteries come in non-rechargeable and rechargeable forms.
  • These devices generate electricity through chemical reactions.
  • Batteries are available in various sizes and voltages for different purposes.
  • A key difference is whether they are non-rechargeable or rechargeable.
  • Alkaline batteries are an example of non-rechargeable batteries.
  • Non-rechargeable batteries, like double A batteries, are commonly used in everyday items such as TV remotes.
  • Non-rechargeable batteries are affordable but cannot be reused once depleted.
  • In non-rechargeable batteries, chemical reactions stop when one reactant is used up, leading to a flat battery.
  • Rechargeable batteries can be recharged and used repeatedly.
  • Rechargeable batteries can replace alkaline batteries in devices like TV remotes.
  • Rechargeable batteries are often built into devices like laptops and mobile phones.
  • These batteries can be charged without removal, which is convenient for frequently used devices.
  • Rechargeable batteries are recharged by supplying an external electric current.
  • Charging involves reversing the chemical reactions within the battery to restore reactants.
  • Non-rechargeable batteries are still used because they are cheaper to make.
  • Non-rechargeable batteries are expensive to recycle when they become flat.
  • Rechargeable batteries produce less waste and are more cost-effective in the long run.
  • Rechargeable batteries are initially more expensive to manufacture.
  • Understanding the advantages and disadvantages of both types is important for evaluations.

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