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Performance of High Temperature Polymer Electrolyte Membrane Fuel Cells as a Function of Polybenzimidazole Membrane Modification. [PDF]
ChemSusChemMüller-Hülstede J +8 more
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2021
As an energy conversion device, fuel cells generate the electrical power from a wide range of chemical fuels. Among them is hydrogen the most popular fuel due to its fastest kinetics and highest conversion efficiency. In this Chapter, hydrogen generation via electrolysis, steam reforming and other processes is first introduced and hydrogen storage ...
San Ping Jiang, Qingfeng Li
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As an energy conversion device, fuel cells generate the electrical power from a wide range of chemical fuels. Among them is hydrogen the most popular fuel due to its fastest kinetics and highest conversion efficiency. In this Chapter, hydrogen generation via electrolysis, steam reforming and other processes is first introduced and hydrogen storage ...
San Ping Jiang, Qingfeng Li
openaire +1 more source
The Journal of Physical Chemistry Letters, 2018
State-of-the-art proton exchange membrane fuel cells (PEMFCs) anodically inhale H2 fuel and cathodically expel water molecules. We show an unprecedented fuel cell concept exhibiting cathodic fuel exhalation capability of anodically inhaled fuel, driven by the neutralization energy on decoupling the direct acid-base chemistry.
Zahid Manzoor Bhat +7 more
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State-of-the-art proton exchange membrane fuel cells (PEMFCs) anodically inhale H2 fuel and cathodically expel water molecules. We show an unprecedented fuel cell concept exhibiting cathodic fuel exhalation capability of anodically inhaled fuel, driven by the neutralization energy on decoupling the direct acid-base chemistry.
Zahid Manzoor Bhat +7 more
openaire +3 more sources
Catalytic Oxidation: Principles and Applications, 1995
The principles and present-day embodiments of fuel cells are discussed. Nearly all cells are hydrogen/oxygen ones, where the hydrogen fuel is usually obtained on-site from the reforming of methane or methanol. There exists a tension between the promise of high efficiency in the conversion of chemical into electrical energy and of very low emissions of ...
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The principles and present-day embodiments of fuel cells are discussed. Nearly all cells are hydrogen/oxygen ones, where the hydrogen fuel is usually obtained on-site from the reforming of methane or methanol. There exists a tension between the promise of high efficiency in the conversion of chemical into electrical energy and of very low emissions of ...
openaire +2 more sources
Biochemical Society Transactions, 1983
Microbial fuel cells containingProteus vulgaris and oxidation-reduction (“redox”) mediators were investigated. The bacteria were chemically immobilized onto the surface of graphite felt electrodes, which supported production of continuous electric current and could be reused after storage A computer-controlled carbohydrate feed system enabled the cell ...
J L, Stirling +6 more
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Microbial fuel cells containingProteus vulgaris and oxidation-reduction (“redox”) mediators were investigated. The bacteria were chemically immobilized onto the surface of graphite felt electrodes, which supported production of continuous electric current and could be reused after storage A computer-controlled carbohydrate feed system enabled the cell ...
J L, Stirling +6 more
openaire +2 more sources
FUEL CELLS – MOLTEN CARBONATE FUEL CELLS | Cells and Stacks
2009The molten carbonate fuel cell (MCFC) operates at temperatures around 650 °C, and uses an electrolyte of molten alkali metal carbonates. The electrolyte places severe constraints on the way that stacks are engineered, because it is corrosive and can migrate from the cells through the liquid or vapor phase causing degradation of the catalysts used for ...
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FUEL CELLS – MOLTEN CARBONATE FUEL CELLS | Overview
2009The molten carbonate fuel cell (MCFC) emerged during the twentieth century as one of the key fuel cell types. It uses an electrolyte of alkali metal carbonates, operates typically at 650 °C, and is best suited to hydrocarbon fuels such as natural gas, coal gas, or biogas.
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FUEL CELLS – MOLTEN CARBONATE FUEL CELLS | Cathodes
2009The molten carbonate fuel cell (MCFC) operates at temperatures around 650 °C and uses an electrolyte of molten alkali metal carbonates. Oxygen and carbon dioxide are fed to the cathode and fuel to the anode of the fuel cell. The key electrochemical reaction at the cathode is the reduction of oxygen and reaction with carbon dioxide to form carbonate ...
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2011
Although it has been more than two centuries since Luigi Galvani made the first observations of bioelectrical phenomenon, it is only in recent years that microbial fuel cells, or, more generally, bioelectrochemical systems, have attracted wide attention as devices that use microorganisms to assist a vast array of processes – from energy recovery from ...
Virdis, B. +5 more
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Although it has been more than two centuries since Luigi Galvani made the first observations of bioelectrical phenomenon, it is only in recent years that microbial fuel cells, or, more generally, bioelectrochemical systems, have attracted wide attention as devices that use microorganisms to assist a vast array of processes – from energy recovery from ...
Virdis, B. +5 more
openaire +3 more sources