Results 311 to 320 of about 5,406,738 (330)

Isolated Diatomic Ni-Fe Metal-Nitrogen Sites for Synergistic Electroreduction of CO2.

Angewandte Chemie, 2019
Polynary single-atom structures can combine the advantages of homogeneous and heterogeneous catalysts while providing synergistic functions based on different molecules and their interfaces.
Wenhao Ren, X. Tan, Wanfeng Yang, Chen Jia, Shumao Xu, Kaixue Wang, Sean C. Smith, Chuan Zhao   +7 more
semanticscholar   +1 more source

Versatile Strategy for Tuning ORR Activity of a Single Fe-N4 Site by Controlling Electron-Withdrawing/Donating Properties of a Carbon Plane.

Journal of the American Chemical Society, 2019
Replacement of Pt-based oxygen reduction reaction (ORR) catalysts with non-precious metal catalysts (NPMCs) such as Fe/N/C is one of the most important issues in the commercialization of proton exchange membrane fuel cells (PEMFCs).
Yeongdong Mun, Seonggyu Lee, Kyeounghak Kim, Seongbeen Kim, Seunghyun Lee, J. Han, Jinwoo Lee   +6 more
semanticscholar   +1 more source

Design Principle of Fe-N-C Electrocatalysts: How to Optimize Multimodal Porous Structures?

Journal of the American Chemical Society, 2019
The effect of porous structures on the electrocatalytic activity of N-doped carbon is studied by using electrochemical analysis techniques and the result is applied to synthesize highly active and stable Fe-N-C catalyst for oxygen reduction reaction (ORR)
S. Lee, Jiheon Kim, D. Chung, Ji Mun Yoo, H. Lee, Min Jeong Kim, B. Mun, S. Kwon, Y. Sung, T. Hyeon   +9 more
semanticscholar   +1 more source

Single‐Atom Fe‐Nx‐C as an Efficient Electrocatalyst for Zinc–Air Batteries

Advanced Functional Materials, 2019
Highly efficient non‐noble metal electrocatalysts are vital for metal–air batteries and fuel cells. Herein, a noble‐metal–free single‐atom Fe‐N x‐C electrocatalyst is synthesized by incorporating Fe‐Phen complexes into the nanocages in situ during the ...
Junxing Han, Xiaoyi Meng, Liang Lu, Juanjuan Bian, Zhipeng Li, Chunwen Sun   +5 more
semanticscholar   +1 more source

Recent Development of Ni/Fe‐Based Micro/Nanostructures toward Photo/Electrochemical Water Oxidation

Advanced Energy Materials, 2019
The oxygen evolution reaction (OER), as an important process involved in water splitting and rechargeable metal–air batteries, has drawn increasing attention in the context of clean energy generation and efficient energy storage. This review concerns the
Rui Gao, Dongpeng Yan
semanticscholar   +1 more source

Edge-Site Engineering of Atomically Dispersed Fe-N4 by Selective C-N Bond Cleavage for Enhanced Oxygen Reduction Reaction Activities.

Journal of the American Chemical Society, 2018
Single-atom metal-nitrogen-carbon (M-N-C) catalysts have sparked intense interests, but the catalytic contribution of N-bonding environment neighboring M-N4 sites lacks attention.
Rui Jiang, Li Li, Tian Sheng, Gaofei Hu, Yueguang Chen, Leyu Wang   +5 more
semanticscholar   +1 more source

Atomic Fe Dispersed on N‐Doped Carbon Hollow Nanospheres for High‐Efficiency Electrocatalytic Oxygen Reduction

Advances in Materials, 2018
Exploration of high‐efficiency, economical, and ultrastable electrocatalysts for the oxygen reduction reaction (ORR) to substitute precious Pt is of great significance in electrochemical energy conversion devices.
Yifan Chen, Zhijuan Li, Yanbo Zhu, Dongmei Sun, Xien Liu, Lin Xu, Yawen Tang   +6 more
semanticscholar   +1 more source

Greatly Improving Electrochemical N2 Reduction over TiO2 Nanoparticle by Fe Doping.

Angewandte Chemie, 2019
It is highly needed but still challenging to develop Ti-based catalysts simultaneously achieving a large NH 3 yield with a high Faradic efficiency (FE) for electrocatalytic N 2 reduction to NH 3 .
Tongwei Wu, Xiaojuan Zhu, Zhengliang Xing, S. Mou, Chengbo Li, Yanxia Qiao, Qian Liu, Yonglan Luo, Xifeng Shi, Yanning Zhang, Xuping Sun   +10 more
semanticscholar   +1 more source

An Adenosine Triphosphate-Responsive Autocatalytic Fenton Nanoparticle for Tumor Ablation with Self-Supplied H2O2 and Acceleration of Fe(III)/Fe(II) Conversion.

Nano letters (Print), 2018
Chemodynamic therapy (CDT) can efficiently destroy tumor cells via Fenton reaction in the presence of H2O2 and a robust catalyst. However, it has faced severe challenges including the limited amounts of H2O2 and inefficiency of catalysts.
Lu Zhang, Shuang‐Shuang Wan, Chuxin Li, Lu Xu, Han Cheng, Xianzheng Zhang   +5 more
semanticscholar   +1 more source

A Bimetallic Zn/Fe Polyphthalocyanine-Derived Single-Atom Fe-N4 Catalytic Site:A Superior Trifunctional Catalyst for Overall Water Splitting and Zn-Air Batteries.

Angewandte Chemie, 2018
Developing an efficient single-atom material (SAM) synthesis and exploring the energy-related catalytic reaction are important but still challenging. A polymerization-pyrolysis-evaporation (PPE) strategy was developed to synthesize N-doped porous carbon (
Yuan Pan, Shoujie Liu, Kaian Sun, Xin Chen, Bin Wang, Konglin Wu, Xing Cao, W. Cheong, Rongan Shen, Aijuan Han, Zheng Chen, Lirong Zheng, Jun Luo, Yan Lin, Yunqi Liu, Dingsheng Wang, Q. Peng, Qiang Zhang, Chen Chen, Yadong Li   +19 more
semanticscholar   +1 more source