active electrode alkaline battery anode battery cathode cathodic protecdtion cell notation cell potential circuit concentration cell corrosion current dry cell electrical potential electrical work ID: 813559
Download The PPT/PDF document "5. Electrochemistry: terms to know" is the property of its rightful owner. Permission is granted to download and print the materials on this web site for personal, non-commercial use only, and to display it on your personal computer provided you do not modify the materials and that you retain all copyright notices contained in the materials. By downloading content from our website, you accept the terms of this agreement.
Slide1
5. Electrochemistry: terms to know
active electrode
alkaline batteryanodebatterycathodecathodic protecdtioncell notationcell potentialcircuitconcentration cellcorrosioncurrentdry cellelectrical potentialelectrical workelectrolysisElectroplatingFaraday’s constantfuel cell
galvanic cell
galvanized iron
half-reaction method
inert electrode
lead acid battery
lithium ion battery
N
ernst equation
nickel-cadmium battery
overpotential
oxidation half-reaction
primary battery
reduction half-reaction
sacrificial anode
secondary battery
standard cell potential (
E
°cell
)
standard hydrogen electrode (SHE)
standard reduction potential (E°)
voltaic cell
Slide25. Electrochemistry: equations
E°cell
= E°cathode - E°anodeE°cell = RT ln(K)
nF
E°cell
=
0.0257 V
ln
(K) = 0.0592 V log(K) @ 25°C n n
Ecell = E°cell – RT ln(Q) Nernst equation nF
Ecell = E°cell - 0.0257 V ln(Q) = 0.0592 V log(Q) @ 25°C n n
ΔG = - nFEcell
ΔG° = - nFE°cell
wele = wmax = FEcell
Q = (I)(t) = (n)(F)