Herein a facile route to anchor transition metal nanoparticles on a bowl-shaped carbon material has been described to prepare a novel nanocomposite as an anode electrode for fuel cell applications. To accomplish this, palladium nanoparticles (PdNPs) have been electrochemically decorated on corannulene-based curved carbon material. The proposed catalyst was structurally and morphologically characterized by various techniques. The performance of the catalyst was evaluated by electrochemical techniques such as CV, EIS, LSV, and CA. The PdNPs@Corannulene catalyst shows high MOR activity of 102.1 mA/cm² in an alkaline medium and good stability when compared with most of the reported Pd-based catalysts and Pd/C. The developed electrocatalyst exhibited a high surface area, good current density, excellent anti-poisoning ability, and superior catalytic activity towards methanol oxidation. The results presented herein revealed that molecularly curved carbon-corannulene as a novel support material in the design of nanostructured catalysts will open a new avenue for high-performance fuel cell applications.

本文描述了一种将过渡金属纳米颗粒锚定在碗状碳材料上的简便途径，以制备新型纳米复合材料作为燃料电池应用的阳极电极。为了实现这一点，钯纳米颗粒 (PdNPs) 已经在基于角环烯的弯曲碳材料上进行了电化学装饰。所提出的催化剂通过各种技术在结构和形态上进行了表征。催化剂的性能通过电化学技术如CV、EIS、LSV和CA进行评估。PdNPs@Corannulene 催化剂显示出 102.1 mA/cm ^{2 的}高 MOR 活性与大多数报道的 Pd 基催化剂和 Pd/C 相比，在碱性介质中具有良好的稳定性。所开发的电催化剂具有高表面积、良好的电流密度、优异的抗中毒能力和优异的甲醇氧化催化活性。本文中提出的结果表明，分子弯曲的碳-冠烯作为纳米结构催化剂设计中的新型载体材料，将为高性能燃料电池应用开辟一条新途径。