层状双氢氧化物析氧催化剂的制备及改性策略
首发时间:2025-05-06
摘要:层状双氢氧化物(LDHs)凭借其独特的层状结构、可调控的化学成分以及出色的电化学性能,在析氧反应(OER)催化领域引起了广泛关注。LDHs的层状结构由带正电荷的金属氢氧化物层和层间阴离子组成,这种结构赋予其高比表面积和丰富的活性位点,使其在电催化反应中表现出优异的性能。此外,LDHs的化学成分可以通过调节层板金属元素和层间阴离子的种类及比例进行精确调控,从而优化其催化活性、选择性和稳定性。这些特性使LDHs成为OER催化领域极具潜力的材料之一。本文全面系统地综述了LDHs基催化剂的合成方法及其改性策略,旨在为相关研究提供理论参考和实践指导。
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Preparation and Modification Strategies of Layered Double Hydroxide-Based Catalysts for Oxygen Evolution Reaction
Abstract:Layered Double Hydroxides (LDHs) have garnered significant attention in the field of oxygen evolution reaction (OER) catalysis due to their unique layered structure, tunable chemical composition, and excellent electrochemical properties. The layered structure of LDHs consists of positively charged metal hydroxide layers and interlayer anions, which endows them with a high specific surface area and abundant active sites, making them exhibit superior performance in electrocatalytic reactions. Moreover, the chemical composition of LDHs can be precisely regulated by adjusting the types and ratios of metal elements in the layers and interlayer anions, thereby optimizing their catalytic activity, selectivity, and stability. These characteristics make LDHs one of the most promising materials in the field of OER catalysis. This article comprehensively and systematically reviews the synthesis methods and modification strategies of LDH-based catalysts, aiming to provide theoretical references and practical guidance for related research.
Keywords: Layered Double Hydroxides Oxygen Evolution Reaction Preparation and Modification
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