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Results tagged with charge
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user 243488
A fundamental property of matter which causes it to experience electromagnetic forces.
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Why does a battery voltage depend on its state of charge?
The theoretical voltage of a cell is given by the Nernst Equation:
$$\Delta G=-nFE=-RT\ln K_\mathrm{eq}+RT\ln Q$$
The Q is the reaction quotient and is dependent on the concentration. You want the con …
- 861
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Why are(n’t) rechargeable batteries damaged by partial charging?
As you can see the cycle number decreases dramatically the larger the range of state of charge usage is. … The cycle number for a given cell chemistry is a function of the temperature, C rate (current) and the State of charge (Depth of discharge) …
- 861
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Confusion between positive and negative terminals of a battery
The anode is defined as where oxidation happens, the cathode is where reduction happens. The mneumonic is Cations are reduced at the cathode and anions are oxidised at the anode.
When oxidation happ …
- 861