ELECTROCHEMICAL SYSTEMS FOR ELECTRIC POWER ...

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ELECTROCHEMICAL. SYSTEMS FOR ELECTRIC. POWER GENERATION. Dzmitry Malevich. Depatrment of Chemistry and Biochemistry. University of Guelph ...
ELECTROCHEMICAL SYSTEMS FOR ELECTRIC POWER GENERATION Dzmitry Malevich Depatrment of Chemistry and Biochemistry University of Guelph

Electric power conversion in electrochemistry Electrolysis / Power consumption

Electric Power

Chemical Reactions

Electrochemical battery / Power generation

Volta’s battery (1800)

Alessandro Volta 1745 - 1827

Paper moisturized with NaCl solution Cu Zn

Principles of power generation in the electrochemical systems Me2n+ - ne- = Me20

Me20 - ne- = Me2n+

CATHODE

ANODE Me2

Me1

Me1n+

SO42-

Salt Bridge

Me2n+

SO42-

IMPORTANT NOTICE ! Electrolysis

Battery

System consumes energy

System releases energy

∆G>0

∆G