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A coolant pump for pumping fluid via coolant flow field tubes in a fuel cell stack is part of a fuel cell cooling system. For causing a phase transition of the coolant inside the fuel cell stack, a pressure level must be maintained using a pressure control system.
The amount of coolant required to cool the fuel cell stack is decreased by allowing the coolant to convert to a gas inside the stack, which also reduces the energy required to pump the coolant through the fuel cell stack.
Numerous applications have made use of fuel cells as a power source. For instance, it has been suggested that internal combustion engines be replaced with fuel cells in electrical vehicle power plants. In fuel cells of the proton exchange membrane type, oxygen is delivered as the oxidant to the cathode and hydrogen is supplied to the anode. The oxygen may be present in air or in its pure form.
A plate with a first side defining a reactant flow field and a second side defining a coolant flow field makes up the cooling system. A source of liquid coolant is connected to the inlet channel of the coolant flow field, which has inlet and output passages.
A pressure control mechanism is offered to keep the pressure at the coolant flow field’s outflow channel at a level that causes the liquid coolant to boil there. The amount of coolant required to cool the fuel cell stack is decreased by allowing the coolant to transition to a gas inside the stack. The energy required to convert a liquid into a gas is substantially more than the liquid’s ability to transmit heat.
As a result, the amount of coolant required to cool a stack is reduced, as is the amount of coolant that must be pumped through the system.
The Global Fuel Cell Coolant Pump Market accounted for $XX Billion in 2021 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2022 to 2030.
For fuel cells used in aircraft or other specialised applications, Barber-Nichols designs and manufactures personalised cooling pumps. In cases where the fluid cannot come into touch with the motor stator, these small pumps are normally hermetically sealed with canned motors.
The motor rotor and pump impeller are typically mounted on the same shaft with bearings that are compatible with the pumped fluid according to the simple design concept. Maximum efficiency and dependability in the smallest volume are the objectives of tailored designs.
