Journal
JOURNAL OF COLLOID AND INTERFACE SCIENCE
Volume 525, Issue -, Pages 260-268Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2018.04.051
Keywords
Nanopolyhedrons; Cytosine; Electrocatalysis; Oxygen reduction reaction; Hydrogen evolution reaction
Categories
Funding
- National Natural Science Foundation of China [21475118]
- Basic public welfare research project of Zhejiang Province [LGG18E010001]
Ask authors/readers for more resources
Pt-based bimetallic nanostructures with low content of Pt were considered as one of the attractive nanocatalysts for their high Pt utilization efficiency, remarkable catalytic characters and costeffectiveness in facilitating the sluggish cathodic reactions in fuel cells. Herein, three-dimensional Pt47Ni53 nanopolyhedrons (NPHs) with abundant active sites were constructed by a facile one-pot solvothermal strategy, in which cytosine and cetyltrimethylammonium chloride (CTAC) worked as the co-structure directing agents. The Pt47Ni53 NPHs were mainly characterized by a series of techniques, showing the high catalytic activity and stability towards oxygen reduction reaction (ORR) and hydrogen evolution reaction (HER) in comparison to Pt13Ni87 nanocrystals (NCs), Pt63Ni37 NCs, commercial Pt black and/or Pt/C catalysts. Impressively, the mass activity of Pt47Ni53 NPHs was about 215.80 mA mg t1 for ORR, approximately 4-time increase relative to Pt black (49.60 mA mg(Pt)(-1)). These results demonstrate the promising applications of the synthesized nanocatalysts in energy storage and transformation. (C) 2018 Elsevier Inc. All rights reserved.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available