Results 61 to 70 of about 33,797 (295)

Performance optimization of impregnated oxygen electrodes for intermediate temperature symmetric metal-supported solid oxide cells [PDF]

Materials Advances
Cobaltites are a common oxygen electrode choice for high-performance metal-supported solid oxide fuel/electrolysis cells (MSOCs) operating in the intermediate temperature range of 650–750 °C.
Federico Capotondo, Adam Alemayehu, Noémie Schirpke, Matilde Castagna, Bhaskar Reddy Sudireddy, Anke Hagen   +5 more
doaj   +1 more source

Highly stable PtRuTiOx/C anode electrocatalyst for direct methanol fuel cells

, 2007
In the present investigation, PtRuTiOx/C electrocatalyst was prepared by a modified polyol synthesis method and the as-prepared electrocatalyst was treated under the reductive atmosphere (30 vol% H-2 in Ar) at 500 degrees C for 2 h (denoted as PtRuTiOx/C-
孙公权, Jiang, Luhua, Yan, Shiyou, Xin, Qin, Sun, Gongquan, Mao, Qing, Tian, Juan   +6 more
core   +1 more source

Nitrogen-Doped Carbon Nanodots@Nanospheres as An Efficient Electrocatalyst for Oxygen Reduction Reaction [PDF]

, 2015
In this work, nitrogen-doped carbon nanodots (N-CNDs) with sizes of 2–6 nm were successfully synthesized by hydrothermal treatment of natural biomass (e.g., fresh grass) at 180 °C for 10 h.
Liu, Porun, Zhao, Huijun, An, Taicheng, Chen, Jiangyao, Zhang, Haimin, Wang, Yun, Li, Yibing   +6 more
core   +1 more source

“Painted” CNT@Au Nanoparticles: A Nanohybrid Electrocatalyst of Direct Methanol Oxidation [PDF]

, 2020
In a world of constant rush towards novel energy sources, hybrid nanomaterials have raised huge interest as their components can synergistically improve the expected performances in terms of power. In this regard, direct methanol oxidation (DMO) is among
Navdeep, Kaur, Viplove, Bhullar, Asma, Bensghaïer, Myriam, Bdiri, Aman, Mahajan, Mohamed, Chehimi, Momath, Lo   +6 more
core   +1 more source

Atom–Cluster Synergy in Scalable Fe–Ru Dual‐Site Architectures Accelerates Alkaline Hydrogen Evolution

Advanced Materials, EarlyView.
A mechanochemically synthesized dual‐site electrocatalyst (RuNC@Fe1NC) accelerates alkaline hydrogen evolution via atomic‐level spatial decoupling. Oxophilic Fe single atoms effectively dissociate water, while adjacent Ru nanoclusters rapidly recombine hydrogen.
Jae‐Hoon Baek, Seong Hyeon Kweon, Sun Gwan Cha, Se Jung Lee, Jinwoo Baek, Dong Hyeok Kwon, Hojeong Lee, Youngkook Kwon, Sang Kyu Kwak, Jong‐Beom Baek   +9 more
wiley   +1 more source

Enhancing the hydrogen evolution reaction efficiency using Bio-MOF synthesized by the cuttlefish ink from Persian Gulf

Next Materials
The development of a high-performance electrocatalyst to produce hydrogen as a renewable energy source through water splitting is still a challenge. A bio-derived iron-based metal–organic framework (Bio-MOF) was synthesized using cuttlefish ink as a ...
Parvaneh Sayadi, Safieh Momeni, Yasamin Bayati, Maryam Tohidi, Sedigheh Zeinali   +4 more
doaj   +1 more source

Ionic Cocrystal Programming of Spatial Ionic Organization in Carbon Nitrides Enables Highly Efficient H2O2 Photosynthesis

Advanced Materials, EarlyView.
Ionic cocrystal‐programmed ionic organization establishes a general strategy for electrostatic programming in polymeric photocatalysts. ABSTRACT Controlling the spatial organization of ions in polymeric photocatalysts remains a fundamental challenge for optimizing charge transport and catalytic selectivity in solar‐driven hydrogen peroxide (H2O2 ...
Anna Lo Presti, Zahra Hajiahmadi, Sam A. J. Hillman, Mu Xiao, James R. Durrant, Thomas D. Kühne, Christian Mark Pelicano   +6 more
wiley   +1 more source

Electrodeposited MnCu4 intermetallic compound as an efficient oxygen evolution electrocatalyst for water splitting

International Journal of Electrochemical Science
In this work it is reported the synthesis by electrodeposition of CuZn4 from alkaline solution containing citrates at pH 10. The electrodes obtained on FTO were characterized by SEM, and XRD, and these results indicate that an intermetallic compound has ...
J.C. Ballesteros, A. Gallegos-Carrillo, A. Cruz-López, S.I. Suárez-Vázquez, J. López-Tinoco, E. Valencia-Avilés   +5 more
doaj   +1 more source

Structural reconstruction of electrocatalysts

Fundamental Research
Efficient and durable electrocatalysts are essential for achieving high electrocatalytic efficiency in electrocatalytic reactions, forming the bedrock of effective electrochemical energy technologies. Electrocatalysis is a complex process, marked by intricate reaction system and crucial interfacial interactions, leading to diverse degrees of ...
Chenfeng Xia, Fu-Min Li, Chaohui He, Shahid Zaman, Wei Guo, Bao Yu Xia   +5 more
openaire   +2 more sources

In Situ Formation of a Highly Selective Nickel Single Atom Catalyst for Electrochemical CO2 Reduction to CO

Advanced Materials, EarlyView.
Development of a novel method for synthesizing Ni single atom catalysts for highly selective electrochemical CO2 reduction in situ. This catalyst achieves 100% selectivity for CO and is formed in an industrially relevant cell architecture. Using post‐mortem XRD, STEM, and EDS and operando XAS, the identity of the active site and the mechanism behind ...
Ian Street, Venkata Sai Sriram Mosali, Noah Sandberg, Fengyuan Shi, Deborah Myers, William E. Mustain   +5 more
wiley   +1 more source