Methanol is consumed at a rate of 32 g h-1 in a methanol-air fuel cell. (a) At an open- circuit cell voltage of 0.756 V, what is the available maximum theoretical energy (in kWh kg-1) from the cell? (b) What is the main cathode reaction, anode reaction and cell reaction? What are the possible secondary reactions or processes that lower the current efficiency? (c) In 35 hours, what is the maximum energy available (in kJ) from the cell? What assumptions you need to make to calculate the current and what is the value? (e) State the major limitations of methanol fuel cells and what can be done to improve the energy efficiency.

Methanol is consumed at a rate of 32 g h-1 in a methanol-air fuel cell. (a) At an open- circuit cell voltage of 0.756 V, what is the available maximum theoretical energy (in kWh kg-1) from the cell? (b) What is the main cathode reaction, anode reaction and cell reaction? What are the possible secondary reactions or processes that lower the current efficiency? (c) In 35 hours, what is the maximum energy available (in kJ) from the cell? What assumptions you need to make to calculate the current and what is the value? (e) State the major limitations of methanol fuel cells and what can be done to improve the energy efficiency.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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