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- University
- Politecnico di Milano
- Degree programme
- Energy Engineering
- Subject
- Electrochemical Energy Conversion and Storage
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- Exam · Full exam
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- Exam paper only
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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 0.692 V EX2 BASIC 3.651 V EX1 Intermediate reference Initial Final reference C Ah 5 5 5 5 SoC 0.8 0.5 0.3 0.2 C rate 2 2 2 1 I A 10 10 10 5 R mem ohm 0.02 0.02 0.02 0.02 eta ohm V 0.2 0.2 0.2 0.1 2b V 0.1 0.1 0.1 0.1 V V 3.61 3.56 3.51 4.00 eta= 87.8% EX1 Difficult Rct 0.05 ohm cm2 b=Rct*i 0.06 V a channel 0.18 s 2.5E-04 m D 4E-06 m2/s a cl @1,2 A/cm2 0.125 a cl @0,05 A/cm2 0.178 (mass transport negligible) DeltaV @ 0,05 A/cm2 0.02 V (only ECSA loss) ECSA eol / ECSA bol 71.7% DeltaV @ 1,2 A/cm2 0.06 V DeltaV ECSA loss 0.02 V DeltaV GDL loss 0.04 V a cl eol/ a cl bol 51.3% a cl eol 0.064 D eol 1.9E-06 m2/s D eol/ Dbol 47.3% Discharge Initial Final1 Final2 5 5 5 0.30 0.50 0.55 1 1 1 5 5 5 0.02 0.02 0.02 0.1 0.1 0.1 0.1 0.1 0.1 4.01 4.05 4.06 Charge
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