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HomeAffiliationsChungnam National University

Affiliations: Chungnam National University

Fabrication and Electrochemical Property of Hybrid Carbon Nanofibers Based on Polyimide Precursor and Manganese Dioxide

Han N.K., Jeong Y.G., Chungnam National University, KR
Supercapacitors have recently received great interest from industry and academia as one of energy storage devices due to their high power density, fast charge time, and long cycle life. In this study, hybrid carbon nanofibers [...]

Researches of visible light photo-sensitized porphyrin-TiO2 photocatalyst and its related self-cleaning effects

Min K., Manivannan R., Lee S-G, Son Y., Chungnam National University, KR
The sensitization of TiO2 with a wide variety of inorganic and organic dyes for light harvesting has been investigated over the last 2 decades for the development of efficient energy harvesting. Porphyrins, as important biomolecules, [...]

Nanoclay-reinforced Nanocellulose Composite Films with Improved Heat resistance, Gas Barrier Performance, and Mechanical properties

Ryu J.H., Jeong Y.G., Chungnam National University, KR
Since nanocellulose (NC) has excellent strength, modulus, lightness, and thermal stability, it has been widely utilized for composites, electronics, sensors, papers, coatings, films, aerogels, health care, additives, etc. In this study, to attain NC films [...]

Analysis of low temperature effects on the performance of SEPIC in a fuel cell system

Noh M.D., Kim S., Park Y.W., Chungnam National University, KR
A single-ended primary-inductance converter (SEPIC) is to be used at the output of a direct-methanol fuel cell (DMFC) system. In this paper, SEPIC is investigated in terms of the performance variations when the operating temperature [...]

Analysis of low temperature effects on the performance of SEPIC in a fuel cell system

Noh M.D., Kim S., Park Y.W., Chungnam National University, KR
A single-ended primary-inductance converter (SEPIC) is to be used at the output of a direct-methanol fuel cell (DMFC) system. In this paper, SEPIC is investigated in terms of the performance variations when the operating temperature [...]

A Controller Design for SEPIC in a Fuel Cell Battery

Noh M.D., Oh O-K., Kim S., Park Y.W., Chungnam National University, KR
A single-ended primary-inductance converter (SEPIC)is a DC/DC converter that has a wide input range and is ideal for a fuel cell. The controller for a SEPIC is often designed heuristically without the consideration of the [...]

Feasibility of Wheel-Based Magnetostrictive Energy Harvester

Park Y.W., Wereley N.M., Park Y.W., Chungnam National University, KR
Manually-pushed carts with rotating wheels are easily seen around us. Also, active RFID has been gaining ground toward commercial usage. Currently possible power supply may be a rechargeable or disposable battery for the reader. The [...]

A Controller Design for SEPIC in a Fuel Cell Battery

Noh M.D., Oh O-K., Kim S., Park Y.W., Chungnam National University, KR
A single-ended primary-inductance converter (SEPIC)is a DC/DC converter that has a wide input range and is ideal for a fuel cell. The controller for a SEPIC is often designed heuristically without the consideration of the [...]

Feasibility of Wheel-Based Magnetostrictive Energy Harvester

Park Y.W., Wereley N.M., Park Y.W., Chungnam National University, KR
Manually-pushed carts with rotating wheels are easily seen around us. Also, active RFID has been gaining ground toward commercial usage. Currently possible power supply may be a rechargeable or disposable battery for the reader. The [...]

Redesign of Magnetostrictive Inkjet PrintHead

Yoon K.H., Park Y.W., Wereley N.W., Park Y.W., Chungnam National University, KR
One of the challenges is to design a proper inkjet printhead for demanding trend. Current inkjet printheads are mostly based on either piezoelectricity or heat. This paper presents an inkjet printhead using a magnetostrictive principle. [...]

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