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2 results on '"Yanli Niu"'

1. Self-Growing NiFe-Based Hybrid Nanosheet Arrays on Ni Nanowires for Overall Water Splitting

Author

Yanli Niu, Zuofeng Chen, Lixia Guo, Lvlv Ji, Zhibiao Hu, Jianying Wang, and Xue Teng

Subjects
Materials science, Phosphide, business.industry, Nanowire, Energy Engineering and Power Technology, Nanotechnology, Renewable energy, Diselenide, chemistry.chemical_compound, chemistry, Materials Chemistry, Electrochemistry, Chemical Engineering (miscellaneous), Water splitting, Electrical and Electronic Engineering, business, Nanosheet
Abstract

Exploring highly efficient and low-cost electrocatalysts is important for boosting the efficiency of water splitting to obtain clean and renewable energy. In this study, the NiFe layered double hyd...

Published
2019

2. Ru2P Nanoparticle Decorated P/N-Doped Carbon Nanofibers on Carbon Cloth as a Robust Hierarchical Electrocatalyst with Platinum-Comparable Activity toward Hydrogen Evolution

Author

Tingting Liu, Chang Ming Li, Weihua Hu, Bomin Feng, Yanli Niu, and Xiuju Wu

Subjects
Materials science, Carbon nanofiber, Energy Engineering and Power Technology, Nanoparticle, chemistry.chemical_element, 02 engineering and technology, Overpotential, 010402 general chemistry, 021001 nanoscience & nanotechnology, Electrochemistry, Electrocatalyst, 01 natural sciences, 0104 chemical sciences, chemistry, Chemical engineering, Nanofiber, Materials Chemistry, Chemical Engineering (miscellaneous), Density functional theory, Electrical and Electronic Engineering, 0210 nano-technology, Platinum
Abstract

It is desirable yet challenging to develop highly active and durable hydrogen evolution reaction (HER) electrocatalysts with Pt-comparable activity for future energy devices. In this work, we report Ru2P nanoparticle decorated P/N dual-doped carbon nanofibers on carbon cloth (Ru2P@PNC/CC-900) as a highly efficient and durable hierarchical HER electrocatalyst in both acidic and alkaline media. Electrochemical tests show that this Ru2P@PNC/CC-900 possesses Pt-comparable HER activity to support 10 mA cm–2 HER current density at low overpotential of 15 and 50 mV in acidic and alkaline condition, respectively. Density functional theory calculations reveal that coupling Ru2P nanoparticles with heteroatom-doped carbon fibers leads to enhanced intrinsic HER activity. The integrative hierarchical architecture further endows high surface areas with good mechanical robustness to support abundant catalytically active sites and possesses excellent electrical conductivity and efficient access for mass transportation to...

Published
2018

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