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层状双金属氢氧化物(LDHs)是一类典型的结构可调的阴离子层状功能材料,直接或经焙烧、还原处理后可作为高活性、高稳定性、廉价的催化剂或催化剂载体应用到催化领域.碳纳米材料自身良好的力学、电学、化学性质使其可作为理想的功能组元构筑LDHs/碳复合纳米材料,进而增强催化性能.本文综述了由LDHs与碳材料构筑的复合纳米催化材料的设计、可控制备及其在电催化、光催化、催化加氢及氧化等多相催化领域的应用进展,并从材料的可控制备及应用方面讨论了LDHs/碳复合纳米材料在多相催化领域面临的挑战与发展前景.
Layered double metal hydroxides (LDHs) are a kind of typical structurally adjustable anionic layered functional materials that can be used as high activity, high stability, low cost catalyst or catalyst carrier directly or after calcination and reduction treatment Catalysis.A good mechanical, electrical and chemical properties of carbon nanomaterials make it an ideal functional component for the construction of LDHs / carbon nanocomposites and thus enhance their catalytic performance.In this paper, the effects of composite nanocatalysts Material design, controllable preparation and its application in the field of heterogeneous catalysis, such as electrocatalysis, photocatalysis, catalytic hydrogenation and oxidation, etc. The applications of LDHs / carbon composite nanomaterials in the controllable preparation and application of materials are discussed Facing the challenges in the field of catalytic and development prospects.