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How do Batteries Work?
When in operation the electrochemical cell essentially discharges its chemical energy in favor of electric energy. If the cell is connected via an external circuit from the cathode to the anode, electrons flow from the oxidized anode and are received by the cathode, which is subsequently reduced. The electric circuit is completed by cations and anions, within the electrolyte, which flow to the cathode and anode, respectively.
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