Journal ArticleDOI
Formation of a Tubular Assembly by Ultrathin Ti0.8Co0.2N Nanosheets as Efficient Oxygen Reduction Electrocatalysts for Hydrogen–/Metal–Air Fuel Cells
Xinlong Tian,Lijuan Wang,Bin Chi,Yangyang Xu,Shahid Zaman,Kai Qi,Hongfang Liu,Shijun Liao,Bao Yu Xia +8 more
TLDR
In this article, a hierarchical tubular assembly of metal nitride nanosheets via a facile hyperedge was proposed for fuel cells with high energy efficiency and low cost.Abstract:
Highly stable and efficient oxygen electrocatalyst with low cost is of prime significance for fuel cells. Herein, we report hierarchical tubular assembly of metal nitride nanosheets via a facile hy...read more
Citations
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Journal ArticleDOI
Advanced Electrocatalysts for the Oxygen Reduction Reaction in Energy Conversion Technologies
TL;DR: In this article, a more practical point of view, the tests and experiments at the membrane electrode assembly (MEA) level are accentuated due to the fact that the rotating disk electrode (RDE) level performance cannot be transformed directly into the MEA level.
Journal ArticleDOI
Transition metal nitrides for electrochemical energy applications.
Hui Wang,Jianmin Li,Ke Li,Yanping Lin,Jianmei Chen,Lijun Gao,Valeria Nicolosi,Xu Xiao,Jong-Min Lee +8 more
TL;DR: The most up-to-date progress on TMN-based nanomaterials is comprehensively reviewed, focusing on geometric-st structure design, electronic-structure engineering, and applications in electrochemical energy conversion and storage, including electrocatalysis, supercapacitors, and rechargeable batteries.
Journal ArticleDOI
Metal-organic frameworks derived reverse-encapsulation Co-NC@Mo2C complex for efficient overall water splitting
TL;DR: In this paper, a simple metal organic frameworks (MOFs) based approach was developed to prepare bifunctional Co-NC@Mo2C complex catalysts for electrochemical water electrolysis.
Journal ArticleDOI
A Zeolitic‐Imidazole Frameworks‐Derived Interconnected Macroporous Carbon Matrix for Efficient Oxygen Electrocatalysis in Rechargeable Zinc–Air Batteries
Abdoulkader Ibro Douka,Yangyang Xu,Huan Yang,Shahid Zaman,Ya Yan,Hongfang Liu,Manzola Abdou Salam,Bao Yu Xia +7 more
TL;DR: The preparation of an interconnected macroporous carbon matrix with a well-defined 3D architecture by the pyrolysis of silica templated ZIF-67 assemblies with a high power density and excellent stability is reported, surpassing that of a commercial Pt/C assembled battery.
References
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Journal ArticleDOI
Co3O4 nanocrystals on graphene as a synergistic catalyst for oxygen reduction reaction
TL;DR: The Co₃O₄/N-doped graphene hybrid exhibits similar catalytic activity but superior stability to Pt in alkaline solutions, making it a high-performance non-precious metal-based bi-catalyst for both ORR and OER.
Journal ArticleDOI
A metal–organic framework-derived bifunctional oxygen electrocatalyst
TL;DR: In this paper, a general approach for the synthesis of hollow frameworks of nitrogen-doped carbon nanotubes derived from metal-organic frameworks, which exhibit higher electrocatalytic activity and stability for oxygen reduction and evolution than commercial Pt/C catalysts, is presented.
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Ultrafine jagged platinum nanowires enable ultrahigh mass activity for the oxygen reduction reaction
Mufan Li,Zipeng Zhao,Tao Cheng,Alessandro Fortunelli,Chih-Yen Chen,Rong Yu,Qinghua Zhang,Lin Gu,Boris V. Merinov,Zhaoyang Lin,Enbo Zhu,Ted H. Yu,Ted H. Yu,Qingying Jia,Jinghua Guo,Liang Zhang,William A. Goddard,Yu Huang,Xiangfeng Duan +18 more
TL;DR: Reactive molecular dynamics simulations suggest that highly stressed, undercoordinated rhombus-rich surface configurations of the jagged nanowires enhance ORR activity versus more relaxed surfaces.
Journal ArticleDOI
Biaxially strained PtPb/Pt core/shell nanoplate boosts oxygen reduction catalysis
Lingzheng Bu,Nan Zhang,Shaojun Guo,Xu Zhang,Jing Li,Jianlin Yao,Tao Wu,Gang Lu,Jingyuan Ma,Dong Su,Xiaoqing Huang +10 more
TL;DR: A class of platinum-lead/platinum (PtPb/Pt) core/shell nanoplate catalysts that exhibit large biaxial strains appear to underlie the high endurance of these catalysts, which can undergo 50,000 voltage cycles with negligible activity decay and no apparent structure and composition changes.
Journal ArticleDOI
Mesoporous titania spheres with tunable chamber stucture and enhanced photocatalytic activity.
TL;DR: This work provided novel structural platforms for novel materials and device applications and the unique sphere-in-sphere chamber structure allows multiple reflections of UV light resulting in greatly enhanced photocatalytic activity.