Study material for Electrochemical Energy Conversion and Storage, shared by the Studwiz community and reviewed by moderators.
Study material for Electrochemical Energy Conversion and Storage, shared by the Studwiz community and reviewed by moderators.
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EX1 BASIC A 1 High i_lim because high a_O2 B 2 Low i_lim because of flooding, but good hydration at low i C 3 Medium i_lim because of lambda 2 and dry air, but low hydration at low i EX2 BASIC Discharge reference C-rate B C-rate A C Ah 5 5 5 SoC 0.5 0.5 0.5 C rate 0.1 2 3 I A 0.5 10 15 R mem ohm 0.02 0.02 0.02 eta ohm V 0.01 0.2 0.3 2b V 0.1 0.1 0.1 V V 3.55 3.06 2.92 Exe 1 intermediate INLET of cell OUTLET of cell P air 0.2 Mpa P air 0.2 Mpa d gdl 0.025 cm d gdl 0.025 cm D O2 0.015 cm2/s D O2 0.015 cm2/s O2 molar fraction 0.15 O2 molar fraction 0.06 a ch inlet 0.3 a ch outlet 0.12 i inlet 1.2 A/cm2 i outlet 0.7 A/cm2 V 0.7 V d mem 0.005 cm d mem 0.005 cm s mem 0.07 S /cm s mem 0.07 S /cm N O2 3.1E-06 mol/s/cm2 N O2 1.8E-06 mol/s/cm2 a cl in 0.15 a cl in 0.04 b 0.06 b 0.06 -bln(1/4FK) 0.91 -bln(1/4FK) 0.91 V 0.7 V V 0.68 V <0,7 V so i_outlet<0,7 A/cm2 Exe 1 difficult reference SoC min SoC max reference C Ah 100 100 100 100 SoC 0.5 0.2 0.97 0.5 C rate 0.1 4 4 0.1 I A 10 400 400 10 R mem ohm 0.001 0.001 0.001 0.001 eta ohm V 0.01 0.4 0.4 0.01 2b V 0.1 0.1 0.1 0.1 V V 3.55 2.70 2.86 3.65 Ah 77 €/kWh 415 324.6753247 Efficiency 68% Discharge Low i_lim because of flooding, but good hydration at low i Medium i_lim because of lambda 2 and dry air, but low hydration at low i SoC min SoC max 100 100 0.2 0.97 1 1 100 100 0.001 0.001 0.1 0.1 0.1 0.1 3.92 4.25 Charge
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