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制备方法对Ce0.67Zr0.33O2固溶体性能的影响

Contemporary Chemical Industry(2017)

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Abstract
用氧化共沉淀法、均匀共沉淀法和柠檬酸溶胶-凝胶法制备了Ce067Zr0.33O2固溶体,并将经和900 ℃焙烧后的固溶体进行了XRD、BET、Raman、H2-TPR和储氧量(OSC)表征.结果表明,氧化共沉淀法和柠檬酸溶胶-凝胶法制备的Ce067Zr033O2固溶体的储氧量、比表面积均高于均匀共沉淀法,且制备的固溶体经900℃焙烧4h后未出现相分离,具有良好的热稳定性.
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