...Krishnil R. Ram; Shanal S. Kumar; Vincent Léchappé; Ali Mohammadi; Maurizio Cirrincione The paper presents a simplified nonlinear model for an open cathode proton exchange membrane fuel cell (PEMFC) and its control using three different control strategies. The model presented uses four state...

... membrane was demonstrated as a potential advanced functional solid electrolyte for possible application in proton exchange membrane fuel cell. 1 Corresponding author. Email: jay.pandey@pilani-bits-pilani.ac.in Email: murali@nitw.ac.in 26 10 2022 11 01 2023 11 01 2023 03 02...

...Shengliang Fan; Guoli Wang; Lei Yang; Pengwei Liu; Xu Han; Zunlong Jin It is always an important research direction to improve the performance of solid oxide fuel cells (SOFCs) through structural optimization. For anode-supported SOFC, the thin cathode thickness results in an uneven distribution...

...Chen Li; Xiaoming Xu; Hao Hu; Nan Mei; Yi Yang The electrochemical reaction inside a high-power fuel cell generates a lot of heat. Excessive heat affects the performance of the membrane, so it is necessary to introduce coolant. The main objective of coolant is regulating the temperature...

... 08 06 2020 fuel cell thermal management steam reforming hydrogen heavy hydrocarbon Among various kinds of co-generation systems, the fuel-cell system is expected to achieve higher energy-conversion efficiency. Besides, the fuel-cell system can be preferable from environmental...

...Mostafa Kordi; Ali Jabari Moghadam; Ebrahim Afshari In this research, cooling of polymer membrane fuel cells by nanofluids is numerically studied. Single-phase homogeneous technique is used to evaluate thermophysical properties of the water/Al 2 O 3 nanofluid as a function of temperature...

...Robert C. McDonald; Monjid Hamdan Direct methanol fuel cells (DMFC) are typically supplied under pressure or capillary action with a solution of methanol in water optimized for the best specific power and power density at an operating temperature of about 60 °C. Methanol and water consumption...

...S. B. Beale; U. Reimer; D. Froning; H. Jasak; M. Andersson; J. G. Pharoah; W. Lehnert Code stability is a matter of concern for three-dimensional (3D) fuel cell models operating both at high current density and at high cell voltage. An idealized mathematical model of a fuel cell should converge...

...Paolo Pezzini; Kenneth M. Bryden; David Tucker This paper evaluates a state-space methodology of a multi-input multi-output (MIMO) control strategy using a 2 × 2 tightly coupled scenario applied to a physical gas turbine fuel cell hybrid power system. A centralized MIMO controller was preferred...

...Adam S. Hollinger; Stefan T. Thynell Localized temperature gradients in a polymer electrolyte fuel cell (PEFC) are known to decrease the durability of the polymer membrane. The most important factor in controlling these temperature gradients is the thermal contact resistance at the interface...

...Ting-Yen Zhou; Yong-Song Chen A bipolar plate (BP) is one of the key components of proton exchange membrane fuel cells (PEMFCs) and accounts for a major portion of their manufacturing cost. Stainless steel is considered as one of the candidate materials for the BPs of the cells because of the short...

... and stability toward the oxidation of methanol. Finally, comparing Pt–Ru/C (Pt–Ru 20 wt.%, Pt/Ru = 1:1) catalysts with Pt/C (Pt 20 wt.%), the onset potential was 200 mV lower and electrochemical active area was much bigger. impregnating reduction method PtRu/C methanol oxidation fuel cell...

... January 21, 2015. Assoc. Editor: Umberto Desideri. 29 07 2013 14 12 2014 21 01 2015 This paper presents a power control strategy for a marine power system made up of a hybrid diesel generator, a fuel cell, and an energy storage unit. For this purpose, a self-tuning fuzzy control...

... Pt PEM Fuel Cell Anodes ,” J. Phys. Chem. C , 112 ( 9 ), pp. 3392 – 3397 . 10.1021/jp710121w [6] Watanabe , M. and Motoo , S. , 1975 , “ Electrocatalysis by Ad-Atoms: Part II. Enhancement of the Oxidation of Methanol on Platinum by Ruthenium Ad-Atoms ,” J. Electroanal. Chem...

..., 2013; published online April 17, 2014. Editor: Nigel M. Sammes. 02 03 2013 24 07 2013 The cathode catalyst layer in a proton exchange membrane fuel cell is now known to contain ionomer nanofibers and experiments have demonstrated a fuel cell performance increase of ∼10% due...

...Daniela Ebrasu; Irina Petreanu; Mihai Varlam; Dorin Schitea; Ioan Stefanescu; Ashok Vaseashta It is well known that the water uptake represents the water retention capacity and is one the most important parameters to affect the proton conductivity. For a functional fuel cell, it is important...

...; published online January 30, 2014. Assoc. Editor: Abel Hernandez-Guerrero. 27 07 2012 16 01 2014 The thermal conductivity of the polymer electrolyte membrane (PEM) of fuel cells is an important property affecting the overall cell performance. However, very few studies or fuel cell...

..., and mechanical properties as well as decrease methanol crossover in direct methanol fuel cells. The ion exchange method is utilized to incorporate Ca and Zr into Nafion membranes. Prepared membranes are characterized by using absorption transmission reflectance (ATR) and energy dispersive X-ray spectroscopy (EDS...

...Fengjuan Miao; Bairui Tao; JunHao Chu References [1] Chaudhuri , S. K. , and Lovley , D. R. , 2003 , “ Electricity Generation by Direct Oxidation of Glucose in Mediatorless Microbial Fuel Cells ,” Nature Biotechnol. , 21 , pp. 1229 – 1232 . 10.1038/nbt867 [2] Fujiwara...

... online May 7, 2013. Editor: Nigel M. Sammes. 07 10 2012 27 01 2013 The operation of a direct methanol fuel cell with an internal combustion engine in a hybrid system is investigated in terms of fuel efficiency. The following work shows a potential for fuel saving because the engine's...