Oxygen evolution reaction (OER) via electrocatalytic water splitting is crucial for efficient electrochemical energy storage and conversion. Herein, we describe the preparation of the rod-like structure of tungsten disulphide (WS₂) as efficient catalysts for OER. Exfoliated tungsten disulphide was used as a source of the rods. The reshaping process required high-temperature treatment with the assistance of hydrogen and ethylene. We propose a structure with novel morphology and promising performance as an electrocatalyst. The rod-like structure was manifested by high-resolution transmission electron microscopy measurements including HAADF intensity line profile. Further structural insights were obtained in X-ray diffraction and Raman spectroscopy. The structures exhibited apparent electrocatalytic activity toward OER overpotential =351 mV at 10 mA/cm² which is superior in respect to exfoliated tungsten disulphide ( overpotential =564 mV at 10 mA/cm²).

通过电催化水分解的放氧反应（OER）对于有效的电化学能量存储和转化至关重要。在这里，我们描述了二硫化钨棒状结构的制备（WS ₂）作为OER的有效催化剂。剥落的二硫化钨用作棒的来源。重塑过程需要在氢气和乙烯的辅助下进行高温处理。我们提出一种具有新颖的形态和有希望的性能作为电催化剂的结构。棒状结构通过包括HAADF强度线轮廓的高分辨率透射电子显微镜测量得到证实。在X射线衍射和拉曼光谱学中获得了更多的结构见解。该结构在10 mA / cm ^2下对OER过电势= 351 mV表现出明显的电催化活性，这优于剥离的二硫化钨（在10 mA / cm ^2下过电势= 564 mV ）。