The rational fabrication of highly efficient electrocatalysts with low cost toward oxygen evolution reaction (OER) is greatly desired but remains a formidable challenge. In this work, we present a facile and straightforward method of incorporating NiCo-layered double hydroxide (NiCo-LDH) into GO-dispersed CNTs (GO-CNTs) with interconnected configuration. X-ray absorption spectroscopy (XAS) reveals the strong electron interaction between NiCo-LDH and the underlying GO-CNTs substrate, which is supposed to facilitate charge transfer and accelerate the kinetics for OER. By tuning the amount of CNTs, the optimized NiCo-LDH/GO-CNTs composite can achieve a low overpotential of 290 mV at 10 mA·cm⁻² current density, a small Tafel slope of 66.8 mV·dec⁻¹ and robust stability, superior to the pure NiCo-LDH and commercial RuO₂ in alkaline media. The preeminent oxygen evolution performance is attributed to the synergistic effect stemming from the merits and the intimate electron interaction between LDH and GO-CNTs. This allows NiCo-LDH/GO-CNTs to be potentially applied in an industrial non-noble metal-based water electrolyzer as the anodic catalysts.

非常需要合理制造低成本的高效电催化剂以进行析氧反应（OER），但仍然是一个艰巨的挑战。在这项工作中，我们提出了一种将 NiCo 层状双氢氧化物 (NiCo-LDH) 结合到具有互连配置的 GO 分散的 CNT (GO-CNT) 中的简便方法。X 射线吸收光谱 (XAS) 揭示了 NiCo-LDH 与底层 GO-CNTs 基底之间的强电子相互作用，这应该促进电荷转移并加速 OER 的动力学。通过调整碳纳米管的数量，优化的 NiCo-LDH/GO-CNTs 复合材料在 10 mA·cm ^-2电流密度下可以实现 290 mV 的低过电位，66.8 mV·dec ^-1的小塔菲尔斜率和强大的稳定性，在碱性介质中优于纯 NiCo-LDH 和商业 RuO ₂。卓越的析氧性能归因于源于 LDH 和 GO-CNT 之间的优点和密切电子相互作用的协同效应。这使得 NiCo-LDH/GO-CNTs 有可能作为阳极催化剂应用于工业非贵金属基水电解槽。