뒤로Fundamentals of Electrolysis definitions
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1/15뒤로Skip to main content뒤로Electrolysis
Process using external electrical energy to induce chemical changes in a substance that would not occur naturally. Non-spontaneous Process
Chemical change requiring outside energy input, as it does not proceed on its own under standard conditions. Electrical Current
Flow of electric charge, measured in amperes, essential for driving reactions in electrolysis. Ampere
Unit representing one coulomb of charge passing a point per second, used to quantify electrical current. Coulomb
SI unit of electric charge, representing the quantity of electricity transported in one second by a current of one ampere. Faraday's Constant
Value expressing the charge of one mole of electrons, crucial for calculating electron transfer in reactions. Cell Potential
Electrical potential difference across electrodes, negative in non-spontaneous reactions requiring external energy. Ohmic Potential
Voltage needed to overcome resistance in the circuit when current flows during electrolysis. Overpotential
Extra voltage required to surpass activation energy barriers at electrodes, beyond theoretical cell potential. Concentration Polarization
Difference in reactant concentration at the electrode surface compared to the bulk solution, affecting reaction efficiency. Resistance
Opposition to current flow in a circuit, influencing the voltage required for electrolysis. Activation Energy
Minimum energy needed to initiate a chemical reaction at the electrode during electrolysis. Electrode
Conductive surface where oxidation or reduction occurs, facilitating electron transfer in electrolysis. Bulk Solution
Main body of the solution, distinct from the region near the electrode, with relatively uniform composition. Moles of Electrons
Quantity representing the total electrons transferred, calculated using current, time, and Faraday's constant.
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