Şişmanoğlu Sedef, Abed Luay Duraid Abed, Mert Mehmet Erman, Doğru Mert Başak
Faculty of Engineering and Natural Sciences, Department of Chemistry, Karabük University, Karabük, 78050, Turkey.
Advanced Technology Research and Application Center, Adana Alparslan Türkeş Science and Technology University, Adana, 01250, Turkey.
Sci Rep. 2025 Jul 29;15(1):27567. doi: 10.1038/s41598-025-13119-8.
Pistachio shell, which has a layered, porous structure, is a natural polymer composed of lignin, hemicellulose and cellulose. This study investigates the catalytic performance of a composite catalyst made from pistachio shell (PS) and Raney Ni (Ra-Ni) in sodium borohydride (NaBH) hydrolysis for hydrogen production. Characterization techniques, ATR-FTIR, XRD, TGA, and FESEM-EDX, were utilized to analyze the morphology and structure of the catalyst. To assess catalytic performance, the rate of H generation was measured using a water displacement method at 298 K. A 0.15 g sample of catalyst, composed of 1:1 weight ratio of Ra-Ni and ball milled PS, was mixed with 100 mL of water and 1 wt% NaBH. H production rate was monitored, providing insights into the catalyst's efficiency and effectiveness. Results demonstrated that the Ra-Ni and PS composite exhibited high catalytic activity, with H generation rates of 409 mL g catalyst after 450 s and 430 mL g catalyst after 900 s, respectively. Activation energy of Ra-Ni-PS was 23.30 kJ mol. The produced composite has promising potential for H production applications via NaBH hydrolysis.
开心果壳具有层状多孔结构，是一种由木质素、半纤维素和纤维素组成的天然聚合物。本研究考察了由开心果壳（PS）和雷尼镍（Ra-Ni）制成的复合催化剂在硼氢化钠（NaBH）水解制氢中的催化性能。采用ATR-FTIR、XRD、TGA和FESEM-EDX等表征技术分析了催化剂的形貌和结构。为了评估催化性能，在298 K下采用排水法测量氢气生成速率。将0.15 g由重量比为1:1的Ra-Ni和球磨PS组成的催化剂样品与100 mL水和1 wt%的NaBH混合。监测氢气生成速率，以深入了解催化剂的效率和效果。结果表明，Ra-Ni和PS复合材料表现出高催化活性，在450 s后氢气生成速率为409 mL g催化剂，在900 s后为430 mL g催化剂。Ra-Ni-PS的活化能为23.30 kJ mol。所制备的复合材料在通过NaBH水解制氢应用方面具有广阔的前景。
