[가솔린엔진부문] Pd-Only 삼원 촉매 개발 : 촉매의 OBD-II Monitioring을 위한 특성 조절

Development of tailor-made Pd-only catalyst for CCC application was tried out to achieve the optimized performance of CCC+ UCC system and the reliable 080-11 monitoring, based on the OSC deterioration of CCC with mileage. From the OSC and catalytic activity evaluation for powder and honeycomb catalysts, we found that it could be possible to a 이 ust CO and NOx performance without significant change in HC performance by choosing the proper OSC material. Also it was found that the catalyst with different OSC material showed a different pattern of OSC deterioration with engine bench aging.