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对层状金属氧化物(LDO)在CO2吸附及其催化加氢转化方面的应用进行了综述,探讨了其优势和可能存在的问题。分析发现:LDO由于具有发达的孔道结构及表面丰富可调的碱性位点,增强了对CO2的吸附能力,同时其特殊的层状结构可促进活性金属的均匀分散和相互作用,提高了CO2的加氢催化活性;利用其前驱——层状双金属氢氧化物(LDHs)的层板化学组成可调控性、层间阴离子可交换性以及热稳定性,再通过选择制备方法和控制反应条件可得到CO2
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