Pumpless thermal management of water-cooled high-temperature proton exchange membrane fuel cells

Song, Taewon; Choi, Kihwan; Kim, Ji-Rae; Yi, Jung S.

doi:10.1016/j.jpowsour.2010.12.108

Cited by 45 publications

(18 citation statements)

References 20 publications

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“…The equipment for passive water cooling consists of a heat exchanger, a reservoir and a solenoid valve, as shown in Figure 3a. Heat recovery is done by secondary coolant at the heat exchanger, and thermostating by on-off control of the solenoid valve is essential [101]. In comparison, oil cooling requires only an expansion tank and a pump, as shown in Figure 3b.…”

Section: Stackmentioning

confidence: 99%

Design and Synthesis of Cross-Linked Copolymer Membranes Based on Poly(benzoxazine) and Polybenzimidazole and Their Application to an Electrolyte Membrane for a High-Temperature PEM Fuel Cell

et al. 2013

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Elevated-temperature (100~200 °C) polymer electrolyte membrane (PEM) fuel cells have many features, such as their high efficiency and simple system design, that make them ideal for residential micro-combined heat and power systems and as a power source for fuel cell electric vehicles. A proton-conducting solid-electrolyte membrane having high conductivity and durability at elevated temperatures is essential, and phosphoric-acid-containing polymeric material synthesized from cross-linked polybenzoxazine has demonstrated feasible characteristics. This paper reviews the design rules, synthesis schemes, and characteristics of this unique polymeric material. Additionally, a membrane electrode assembly (MEA) utilizing this polymer membrane is evaluated in terms of its power density and lifecycle by an in situ accelerated lifetime test. This paper also covers an in-depth discussion ranging from the polymer material design to the cell performance in consideration of commercialization requirements. OPEN ACCESSPolymers 2013, 5 78

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Section: Stackmentioning

confidence: 99%

Design and Synthesis of Cross-Linked Copolymer Membranes Based on Poly(benzoxazine) and Polybenzimidazole and Their Application to an Electrolyte Membrane for a High-Temperature PEM Fuel Cell

et al. 2013

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“…On the other hand, if the heat is to be recovered, for example, in a small, domestic Combined Heat and Power (CHP) system, then water cooling becomes much more attractive due to the larger heat capacity of water compared to air [71]. In comparison to air flow, it is well known that heat transfer coefficients with liquid flow are much higher at similar pumping power [87,88]. Liquid cooling is currently the most widely used cooling strategy in high power PEMFC stacks (> 5 kW).…”

Section: Liquid Coolingmentioning

confidence: 99%

“…An antifreeze/coolant is substituted for normal water in the cooling system for these situations [31]. Thin cooling plates can be manufactured and inserted into the fuel cell stack, or additional channels can be machined in the BPPs to allow the coolant to flow through the channels to remove heat from the stack [88]. When cooling plates are used in a PEMFC system, a simultaneous water and heat balance must be conducted to avoid dehydration of the membrane and flooding within the stack [41].…”

Section: Liquid Coolingmentioning

confidence: 99%

“…In addition, the coolant can be circulated through hydrophobic wicking, pressure difference or density difference, so the coolant pumps can be eliminated with phase change cooling. Coolant may be water or any another phase-changing media [91]. The use of water simplifies the stack design because water is already used in both the anode and cathode loops [77].…”

Section: Phase Change Coolingmentioning

confidence: 99%

“…Modelling and simulation play significant role in characterisation process of a PEMFC. Many studies are available on analytical and numerical modelling of PEMFCs [112][113][114][115][116][117][118][119][120][121] and several researchers have focused on the area of thermal modelling and thermal management [7,16,37,90,91,100,[122][123][124][125][126][127][128][129][130][131].…”

Section: Thermal Modellingmentioning

confidence: 99%

See 2 more Smart Citations

Review on management, mechanisms and modelling of thermal processes in PEMFC

Bvumbe¹,

Bujło²,

Tolj³

et al. 2016

Hydrogen and Fuel Cells

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Abstract:In an effort to reduce the environmental impact of the energy sector that is mostly based on fossil fuels, researchers are looking for a clean alternative of our existing energy sources. Hydrogen Energy and Fuel Cells, and in particular Polymer Electrolyte Membrane Fuel Cells (PEMFCs) have emerged as a leading candidate for transportation as well as stationary and portable applications. Due to the irreversibility of the electrochemical reactions and ohmic heating in the fuel cell components, the PEMFC produces a significant amount of heat and this heat has to be removed in order to avoid cell or stack overheating. In this paper, a review of the key heat transfer mechanisms and the various cooling strategies that are available for heat removal from PEMFCs are presented. Due to the interrelated nature and difficulty of conducting in-situ thermal measurements on the operating PEMFCs, computational modelling provides a fast and efficient way of designing PEMFC cooling systems and understanding the heat transfer mechanisms. Therefore PEMFC thermal modelling is also highlighted together with present challenges and potential areas for further research and development works.

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Factors influencing the performance of PEM fuel cells: A review on performance parameters, water management, and cooling techniques

Singh

Oberoi

Singh

2021

Intl J of Energy Research

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Summary This paper addresses the effects of critical parameters that affect the performance and lifespan of proton exchange membrane (PEM) fuel cells. Amongst all, control of excess water content and dehydration in PEM fuel cells is the major issue under various operating conditions. Therefore, their effects on cathode, anode, gas diffusion layer (GDL), catalyst layer (CL), and flow channels are summarized in the initial part of this paper. Various active cooling strategies such as air cooling, liquid cooling, and phase change method to extract the waste heat from the stack are represented. The lateral part of this paper throws light on the role of heat pipes, working fluid, and the effect of the addition of nanofluid with pertinent filling ratio (FR) in cooling of PEM fuel cells. This work is intended to aid the selection of cooling methods for PEM fuel cells through the consideration of the variety of affecting parameters preceding major expenditure for wide‐scale production. In future, cost comparison associated with the cooling techniques of the fuel cell would be evaluated.

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Pumpless thermal management of water-cooled high-temperature proton exchange membrane fuel cells

Cited by 45 publications

References 20 publications

Design and Synthesis of Cross-Linked Copolymer Membranes Based on Poly(benzoxazine) and Polybenzimidazole and Their Application to an Electrolyte Membrane for a High-Temperature PEM Fuel Cell

Design and Synthesis of Cross-Linked Copolymer Membranes Based on Poly(benzoxazine) and Polybenzimidazole and Their Application to an Electrolyte Membrane for a High-Temperature PEM Fuel Cell

Review on management, mechanisms and modelling of thermal processes in PEMFC

Factors influencing the performance of PEM fuel cells: A review on performance parameters, water management, and cooling techniques

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