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Name one type of electrolyte used in batteries.
Liquid, gel, paste or solid electrolyte.
Give one example of a secondary battery.
Lithium-ion battery, lead-acid battery, rechargeable battery.
What is a secondary battery?
A battery that can be recharged.
Give one example of a primary battery.
Alkaline battery, zinc-carbon battery, AA battery.
What is a primary battery?
A battery that cannot be recharged.
What particles move through the wire to create electric current?
Electrons.
How is electric current created in a battery?
By chemical reactions that cause electrons to flow through a circuit.
What type of energy is stored in a battery?
Chemical energy.
Why is the electrolyte important in a battery?
It creates the chemical reaction that allows the movement of electrons.
What is an electrolyte?
A substance that allows ions to move between electrodes.
Which electrode is the cathode?
The electrode where reduction happens / usually the positive electrode.
Which electrode is the anode?
The electrode where oxidation happens / usually the negative electrode.
What are the two electrodes in a battery called?
Anode and cathode
What is a cell in a battery?
A single unit that produces electrical energy.
What is a battery?
A device that stores chemical energy and changes it into electrical energy.
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