7 Result(s)
within
In-hwan Oh
Biotechnology
Industrial Chemistry/Chemical Engineering
Materials Science, general
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Article
Fabrication of electrolyte-impregnated cathode by dry casting method for molten carbonate fuel cells
A dry casting method for fabricating a porous Ni plate, which was used as the cathode for molten carbonate fuel cells, was proposed, and the basic characteristics of the as-prepared cathode were examined and c...
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Article
Development of non-precious oxygen reduction reaction catalyst for polymer electrolyte membrane fuel cells based on substituted cobalt porphyrins
Active and stable cobalt-based non-precious metal catalysts for the oxygen reduction reaction (ORR) in PEM fuel cells were developed through high-temperature pyrolysis of metal-porphyrins supported on carbon. ...
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Article
Characteristics of membrane humidifiers for polymer electrolyte membrane fuel cells
Water management plays an important role in obtaining high performance from a polymer electrolyte membrane fuel cell (PEMFC). To reduce the volume and energy consumption of widely-used bubble humidifiers, memb...
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Article
Effect of temperature, oxidant and catalyst loading on the performance of direct formic acid fuel cell
We investigated the effect of temperature, oxidant and catalyst loading on the performance of direct formic acid fuel cell (DFAFC). When oxidant was changed from air to oxygen, the power density was increased ...
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Article
Performance analysis of NiO cathode using a molten carbonate fuel cell with gas recycle
The effect of oxidant gas composition on the polarization of NiO cathode has been investigated in a benchscale molten carbonate fuel cell operating at 650 °C. Cathode gas recycling has been applied to minimize...
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Article
Fabrication and operational experiences of a 6 kW molten carbonate fuel cell stack
An MCFC stack consisting of 20 unit cells with an effective electrode area of 3,000 cm2 was prepared and operated to verify the performance and reliability of the cells. All the porous cell components such as ano...
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Article
Synthesis of high purity 110 K phase in the Bi(Pb)-Sr-Ca-Cu-O superconductor by the sol-gel method
(BiPb)2Sr2Ca2Cu3Ox superconductor powders were synthesized by the sol-gel method using an aqueous solution of metal nitrates containing polyacrylic acid and tartaric acid as chelating agents. The conditions of th...
