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학술저널
저자정보
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한국자동차공학회 International journal of automotive technology International journal of automotive technology Vol.1 No.2
발행연도
2000.12
수록면
89 - 94 (6page)

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초록· 키워드

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As a promising catalyst reducing cold start emissions of automobiles. a photocatalyst system has been studied. Since the photocatalyst is only activated by UV wavelength light, it needs no heat energy like a conventional TWC, therefore no light-off time. However, as a cold temperature catalyst to treat cold start emissions of a vehicle, previous studies on characteristics of photocatalyst have room for improvcment in terms of performance and durability subject to aging conditions and exhaust gas conditions. In this study, additive catalysts for photocatalyst have been investigated from the viewpoints of performance and durability improvement. Eleven different coating samples were prepared with the combination of six kinds of additives and t재 kinds of photocatalyst materials. Then these samples were aged with a hydrothermal aging process. The performance of these samples was measured on a model gas apparatus with simulated exhaust gases. The durability was also analyzed with X-ray diffraction meter.

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ABSTRACT

1.INTRODUCTION

2.THEORETICAL BACKGROUND

3.THEORETICAL BACKGROUND

4.RESULTS AND DISCUSSION

5.CONCLUSIONS

ACKNOWLEDGMENTS

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