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      SCOPUS KCI등재

      수소 생산용 SPE 전극촉매의 제조 및 특성화 = SPE Electrocatalyst for Hydrogen Production - Its Preparation and Characterization

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      SPE electrocatalysts were made by reducing agent penetrating method. Pt loading, morphological, and electrochemical characteristics and cell voltage properties were investigated. The amount of Pt loading increased upto the reducing agent concentration of 1.0 ㏖/L and then decreased. At that concentration, the amount of Pt loading was the most, 3.56㎎/㎠ and Pt layer was the thickest. The largest electricity and roughness factor from cyclic voltammogram were 284.92 mC and 1356.75 respectively at the reducing agent concentration 1.0 ㏖/L. But surface area per unit weight of Pt was somewhat lower. As the amount of Pt loading increased, cell voltage became lower. At the amount of Pt loading 3.56㎎/㎠, current density 1 A/㎠, and temperature 25℃ it was the lowest, 3.0 V. As temperature increased, cell voltage became lower. Cell voltages at 50℃, 80℃ were 2.9 V, 2.7 V respectively under the condition of 3.56 ㎎/㎠, 1 A/㎠, It was at the reducing agent concentration 1.0 ㏖/L.
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      SPE electrocatalysts were made by reducing agent penetrating method. Pt loading, morphological, and electrochemical characteristics and cell voltage properties were investigated. The amount of Pt loading increased upto the reducing agent concentration...

      SPE electrocatalysts were made by reducing agent penetrating method. Pt loading, morphological, and electrochemical characteristics and cell voltage properties were investigated. The amount of Pt loading increased upto the reducing agent concentration of 1.0 ㏖/L and then decreased. At that concentration, the amount of Pt loading was the most, 3.56㎎/㎠ and Pt layer was the thickest. The largest electricity and roughness factor from cyclic voltammogram were 284.92 mC and 1356.75 respectively at the reducing agent concentration 1.0 ㏖/L. But surface area per unit weight of Pt was somewhat lower. As the amount of Pt loading increased, cell voltage became lower. At the amount of Pt loading 3.56㎎/㎠, current density 1 A/㎠, and temperature 25℃ it was the lowest, 3.0 V. As temperature increased, cell voltage became lower. Cell voltages at 50℃, 80℃ were 2.9 V, 2.7 V respectively under the condition of 3.56 ㎎/㎠, 1 A/㎠, It was at the reducing agent concentration 1.0 ㏖/L.

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