Technician A says that a fuel cell stack consists of a number of fuel cells connected in parallel. Technician B says that a fuel cell stack consists of a number of fuel cells connected in series. Which technician is correct?

Question

Quizplus · Accepted Answer

Technician B is correct because in a fuel cell stack, the individual fuel cells are connected in series to increase the voltage output. Connecting them in parallel would increase current capacity but not the voltage, which is typically the goal in fuel cell stacks to meet the electrical requirements of the application.

Technician a Says That a Fuel Cell Stack Consists of a Number