ChemElectroChem
ChemElectroChem
4 years ago

Facile Solvothermal Synthesis of Pt4Co Multi-dendrites: An Effective Electrocatalyst for Oxygen Reduction and Glycerol Oxidation

Facile Solvothermal Synthesis of Pt4Co Multi-dendrites: An Effective Electrocatalyst for Oxygen Reduction and Glycerol Oxidation
Ai-Jun Wang, Junhua Yuan, Liu-Ying Jiang, Jiu-Ju Feng, Xin-Sheng Li
In this work, hierarchical Pt4Co multi-dendrites (MDs) with abundant active sites were synthesized by using a one-pot solvothermal co-reduction approach, where cetyltrimethylammonium chloride (CTAC), citric acid, and oleylamine served as the structure director, eco-friendly reducing agent, and co-reductant, respectively. The architectures were mainly characterized by using a series of characterization techniques, demonstrating the enlarged electrochemically active surface area of 28.27 m2 g−1, much enhanced mass activity and specific activity for oxygen reduction reaction (279.14 mA mg−1Pt and 0.89 mA cm−2) and glycerol oxidation reaction (1422.56 mA mg−1Pt, 4.58 mA cm−2) comparable with commercial Pt black, along with the superior durability. These results demonstrate the potential applications of the synthesized Pt4Co MDs catalyst in energy storage and transformation. The cat. is out of the bag: Hierarchical Pt4Co multi-dendrites (MDs) with abundant active sites are synthesized by a using one-pot solvothermal co-reduction approach. The MDs show a greatly enhanced electrocatalytic activity and durability towards both the oxygen reduction and glycerol oxidation reactions.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/celc.201700640

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