electrical principles 2 e ch25c - edited
TRANSCRIPT
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25.3 Batteries
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Background
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The first battery
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The leclanché cell
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Carbon-zinc dry cell
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Alkaline cell
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Lithium cell
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Secondary cells
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The lead-acid cell
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The lead-acid cell (2)
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Plates in a lead-acid cell
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Gel battery
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Typical gel battery
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Nickel-cadmium cell
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Nicad battery bank
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Nickel-iron (nife) cell
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Nickel metal-hydride (ni-mh)
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Ni-mh examples
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Lithium-ion cell
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Ampere-hour rating of a battery
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Output voltage
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Internal resistance
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Calculating internal resistance
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Connecting cells – in series
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Connecting cells – in parallel
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Connecting cells – in series-parallel
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Testing cells
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Measuring charge: lead-acid battery
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Charging batteries
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Charging nicads
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Charging lead-acid batteries
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Safety with batteries