Oxygen Storage and Mobility on Model Three |
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Oxygen Storage and Mobility on Model Three
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Oxygen storage capacity (OSC) of TW catalysts has a strong impact on their performances under oscillatory conditions. This paper reviews the different methods developed for OSC measurements, the effects of catalyst composition on OSC as well as the impact of OSC on TW catalysis, concentrating on the results obtained in our laboratory. Use of OSC measurements for catalysts control (on-board diagnostic) is also examined. The role of superoxide species as intermediates in the oxygen storage process will be emphasized. Finally, we shall review the recent developments on CeZr-based oxides.
中文翻译：
TW催化剂的储氧能力（OSC）在振荡条件下对其性能有很大影响。本文回顾了为OSC测量而开发的不同方法，催化剂成分对OSC的影响以及OSC对TW催化的影响，重点是在我们的实验室中获得的结果。还检查了OSC测量用于催化剂控制（车载诊断）的情况。将强调超氧化物种作为氧气存储过程中的中间体的作用。最后，我们将回顾基于CeZr的氧化物的最新进展。 |
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