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13 07 17sol

Study material for Electrochemical Energy Conversion and Storage, shared by the Studwiz community and reviewed by moderators.

Electrochemical Energy Conversion and StorageFull exam

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Study material for Electrochemical Energy Conversion and Storage, shared by the Studwiz community and reviewed by moderators.

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EX1 BASIC LHV/2F= 1.244 V DeltaV=eta*LHV/2F/FU= 0.60 V Acell= 167 cm2 Ncell= 300 eta @30% I 60% EX2 BASIC Final SoC discharge 30% DeltaV at SoC 80% 4.33 V eta with DeltaSoC=0 92.7% Exercise 1 Intermediate b=RT/betaF 0.059 V d gdl 0.03 cm D O2 0.03 cm2/s d mem 0.0025 cm s mem 0.07 S /cm Inlet a ch 0.3 i 1 A/cm2 V 0.7 V N O2 2.58E-06 mol/s/cm2 a cl 0.227 Outlet a ch 0.15 i 0.65 A/cm2 N O2 1.68E-06 mol/s/cm2 a cl 0.103 V @ 0.65 A/cm2 0.691 V Exe difficult 7 Discharge Initial Final C 5 5 Ah SoC 0.8 0.2 C rate 1 3 I 5 15 A R mem 0.02 0.02 ohm eta ohm 0.1 0.3 2b 0.1 0.1 V 3.55 3.10 V Charge Initial Final C 5 5 Ah SoC 0.2 0.80 C rate 1 3 I 5 15 A R mem 0.02 0.02 ohm eta ohm 0.1 0.3 2b 0.1 0.1 V 4.25 4.70 V

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