Lecture Note
University
Swansea UniversityCourse
EGA109 | Introductory Organic ChemistryPages
2
Academic year
2023
Sanjeev K Ganesh
Views
0
Energy Devices Electrochemical cell Generate electrifrom spontaneous nedox OG0 Consists Electrolytic of -2 electronic conductors (electrodes) ionic conductor, cy e conductor used to link electrodes is oftena metal were,such as Cu Galvanii/Vittaic Anode oxidation LHS , Cathode reduction RHS Metal (orsolid plans) I Electrolyle (while Znl Zn(1503), (IM) CU(NOS) 2 (IM) I Cu oxd": M, MM ne nt nt Red" : M2 monthe M2 =7 M,/M,M (G) M2nt(Call nt M2 Daniell Cell -John Frederic Daniell e is A Each electr ode half cell V Cathode Salt bridge (KCl or NH4Cl) Ande + salt bridge Cu In in maintains charge balance in the gelatine form + KU two half cells of ZndDr Cuso4
minimizes on climunales the liquid junction potential cell emt = 1.1V EmF Max PD b/w the electrodes of DG20 all related to tendency of an element a compound or an ion to acquiri(ie-gain) or release(lose) i all reaction feasible when Full 70 Full = EM, - EM2 + 0.059 legu 10 [M," n [mary SRP of cathode amodeSRP sedredpel. Full ' Ecathode - Eamode + 0.059 n lego [Red ] [Oxd ] Electrolysis of motten Nall Na+ gains is cy reduced to Na at cathode Na+ near cathode depleted, Har war additional Nat migrate in Net movement of Cl to anode, oxidized to Cl2 the terminal to anode, ve calhode forces is to mone from anote to cathode performed at ~80ic , inert electrodes used Cathide 2NateH2e 2Na(l) Ande 2U (l) (2(g)+ 2e 2Nacliet 2Nalit (2,(9)
Energy Device
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