Fruit batteries

Fruit batteries

Electric current of small voltage can be created by using fruit, similarly to the Daniell cell.

03:25

Chemistry

Keywords

galvanic cell, Fruit-power battery, direct current, Galvani, Volta, Daniell cell, oxidation, redox reaction, reduction, electricity, electrode, electrolyte, volt, anode, cathode, series circuit, voltage, fruit, voltmeter, energy, experiment, chemistry, physical

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0,92 V, 0,90 V, 0,85 V, + Zn Cu - + Zn Cu-, Luigi Galvani (1737-1798) Italian physiologist, physican, a pioneer in electricity, Alessandro Volta (1745-1827) Italian physicist, developed the basic theory of electricity, Volta's electro chemical series, If the two metals that constitute a galvanic battery are far apart in this series, the potential is higher; if they are closer, the potential is lower., (+) aluminim - zinc - lead - tin - antimony - bismuth - iron - copper - silver - gold - platinum - carbon - pyrolusite (-), Volta's law, The electromotive force between any two metals Volta's series does not depend on whether the two metals are in contact directly or via any number of the other metals, provided that all the points of contact are the same temperature., cathode, Cu2+ + 2e- = Cu, reduction, anode, Zn = Zn2+ + 2e-, oxidation, redox reaction, Cu2+ + Zn = Cu + Zn2+

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Fruit-power battery

Watch how a few lemons can produce electricity.

The Daniell cell

We can generate electricity with the help of a salt bridge and by immersing a zinc electrode in zinc sulphate solution and a copper electrode in copper...

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