Results 51 to 60 of about 65,275 (275)

Mn3O4@CoMn2O4-CoxOy nanoparticles : partial cation exchange synthesis and electrocatalytic properties toward the oxygen reduction and evolution reactions [PDF]

, 2016
Mn3O4@CoMn2O4 nanoparticles (NPs) were produced at low temperature and ambient atmosphere using a one -pot two-step synthesis protocol involving the cation exchange of Mn by Co in preformed Mn3O4 NPs. Selecting the proper cobalt precursor, the nucleation
Andreu, Teresa, Arbiol, Jordi, Cabot Codina, Andreu, Cadavid, Doris, de la Mata, María, Genç, Aziz, Ibañez, María, Irtem, Erdem, Liu, Yu, Llorca Piqué, Jordi, Luo, Zhishan, Martí Sanchez, Sara, Morante Lleonart, Joan Ramon, Nafria Soler, Raquel   +13 more
core   +3 more sources

Tuning the Selectivity of the CO2 Reduction Reaction by Means of Synergistic Interactions in the Cu, Ag, Ce System

Advanced Functional Materials, EarlyView.
Multi‐metal Cu─Ce─Ag nanoparticles harness synergistic interactions to drive efficient electrochemical CO2 reduction reaction toward C2+ products at high current densities. Ag enhances CO production, Ce modulates Cu oxidation states, and together they boost *CO coverage and local pH to enhance C─C coupling, enabling record C2+ yields with suppressed ...
Nini Zhang, Muhammad Adib Abdillah Mahbub, Bashir Eid, Thomas Quast, Jian Zhang, Ridha Zerdoumi, Xin Wang, Sabine Seisel, Wangcheng Zhan, Wolfgang Schuhmann   +9 more
wiley   +1 more source

Ru/Ir‐Based Electrocatalysts for Oxygen Evolution Reaction in Acidic Conditions: From Mechanisms, Optimizations to Challenges

Advanced Science
The generation of green hydrogen by water splitting is identified as a key strategic energy technology, and proton exchange membrane water electrolysis (PEMWE) is one of the desirable technologies for converting renewable energy sources into hydrogen ...
Rong Qin, Guanzhen Chen, Xueting Feng, Jiena Weng, Yunhu Han   +4 more
doaj   +1 more source

Strategies for the enhancements in catalytic performance and stability of anodic electrocatalyst in PEM water splitting

Energy Reviews
This article presents a strategy for enhancing the catalytic performance and stability of anodic electrocatalysts in proton exchange membrane (PEM) water splitting.
Yuhua Xie, Fang Luo, Zehui Yang
doaj   +1 more source

Electrocatalytic Hydrogen Evolution Reaction on Edges of a Few Layer Molybdenum Disulfide Nanodots

, 2015
The design and development of inexpensive highly efficient electrocatalysts for hydrogen production, underpins several emerging clean-energy technologies.
Benson, John, Li, Meixian, Papakonstantinou, Pagona, Wang, Peng, Wang, Shuangbao   +4 more
core   +2 more sources

Evaluation of Pt, Ni, and Ni–Mo electrocatalysts for hydrogen evolution on crystalline Si electrodes [PDF]

, 2011
The dark electrocatalytic and light photocathodic hydrogen evolution properties of Ni, Ni–Mo alloys, and Pt on Si electrodes have been measured, to assess the viability of earth-abundant electrocatalysts for integrated, semiconductor coupled fuel ...
Bierman, Matthew J., Boettcher, Shannon W., Brunschwig, Bruce S., Gray, Harry B., Lewis, Nathan S., McKone, James R., Warren, Emily L.   +6 more
core   +2 more sources

Heteroatom‐Engineering Promoted Co9S8 Bi‐functional Electrocatalyst for Hydrazine‐Assisted Hydrogen Production at Industrial Current Density

Advanced Functional Materials, EarlyView.
Fe and P co‐doped Co9S8 nanocorals (Fe, P‐Co9S8) are successfully synthesized by a heteroatom engineering strategy, which exhibit outstanding bifunctional electrocatalytic performance for both the hydrogen evolution reaction (HER) and hydrazine oxidation reaction (HzOR).
Yuying Meng, Chunyan Xiang, Wenbiao Zhang, Dahai Zeng, Bing Du, Bao Zhong, Yue Jiang, Damien Voiry, Qingsheng Gao   +8 more
wiley   +1 more source

Preparation and evaluation of advanced electrocatalysts for phosphoric acid fuel cells [PDF]

Results are presented for hydrogen oxidation and hydrogen oxidation poisoned by carbon monoxide at levels between 0 and 30%. Due to the high activities that are now being observed for our platinum based electrocatalysts, the hydrogen concentrations were ...
Baris, J., Pagliaro, P., Stonehart, P.
core   +7 more sources

Electrocatalytic activity of hypo–hyper-d-electrocatalysts (Me/TiO₂/MWCNTs) based on Co-Ru in alkaline hydrogen electrolyser

Macedonian Journal of Chemistry and Chemical Engineering, 2011
This study is concerned with preparation and characterization of Co-Ru based hypo-hyper d-electrocatalysts aimed for water electrolysis. The composition of the studied electrocatalysts was: 10 % mixed metallic phase (Co : Ru = 1 : 1 wt., Co:Ru = 4 : 1 wt.
Perica Paunović, Orce Popovski, Dafinka Stoevska Gogovska, Elefteria Lefterova, Evelina Slavcheva, Aleksandar T. Dimitrov   +5 more
doaj   +1 more source

Theoretical Study of Solvent Effects on the Platinum-Catalyzed Oxygen Reduction Reaction [PDF]

, 2010
We report here density functional theory (DFT) studies (PBE) of the reaction intermediates and barriers involved in the oxygen reduction reaction (ORR) on a platinum fuel cell catalyst.
Goddard, William A., III, Liu, Yi, Merinov, Boris V., Sha, Yao, Yu, Ted H.   +4 more
core   +1 more source