Determining the Electrochemical Oxygen Evolution Reaction Kinetics of Fe 3 S 4 @Ni 3 S 2 Using Distribution Function of Relaxation Times

2020 ◽  
Author(s):  
Bibhudatta Malik ◽  
Kalimuthu Vijaya Sankar ◽  
Rajashree Konar ◽  
Yoed Tsur ◽  
Gilbert Daniel Nessim
2021 ◽  
Author(s):  
Kaifa Lu ◽  
Guanru Chang ◽  
Hui Zhang ◽  
Xin-Yao Yu

By combining density functional theory calculations and experiments, we have demonstrated that the decoration of RuO2 can effectively accelerate the oxygen evolution reaction kinetics of Co3O4 in neutral electrolyte.


2019 ◽  
Vol 55 (63) ◽  
pp. 9347-9350 ◽  
Author(s):  
Lei Zhong ◽  
Yufei Bao ◽  
Xu Yu ◽  
Ligang Feng

An Fe doped NiTe bulk crystal was demonstrated to exhibit an extremely active and stable performance for the electrochemical oxygen evolution reaction.


Author(s):  
Tingting Li ◽  
Tianyun Jing ◽  
Dewei Rao ◽  
Xiaotian Jia ◽  
Yunpeng Zuo ◽  
...  

Multimetallic pyrite-type sulfides have been a promising electrocatalytic materials for electrochemical oxygen evolution reaction (OER), but still requires further improve due to the easily oxidization of surface atoms and the...


2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Gang Zhou ◽  
Peifang Wang ◽  
Hao Li ◽  
Bin Hu ◽  
Yan Sun ◽  
...  

AbstractOxygen evolution reaction (OER) plays a determining role in electrochemical energy conversion devices, but challenges remain due to the lack of effective low-cost electrocatalysts and insufficient understanding about sluggish reaction kinetics. Distinguish from complex nano-structuring, this work focuses on the spin-related charge transfer and orbital interaction between catalysts and intermediates to accelerate catalytic reaction kinetics. Herein, we propose a simple magnetic-stimulation approach to rearrange spin electron occupation in noble-metal-free metal-organic frameworks (MOFs) with a feature of thermal-differentiated superlattice, in which the localized magnetic heating in periodic spatial distribution makes the spin flip occur at particular active sites, demonstrating a spin-dependent reaction pathway. As a result, the spin-rearranged Co0.8Mn0.2 MOF displays mass activities of 3514.7 A gmetal−1 with an overpotential of ~0.27 V, which is 21.1 times that of pristine MOF. Our findings provide a new paradigm for designing spin electrocatalysis and steering reaction kinetics.


2021 ◽  
pp. 2101209
Author(s):  
Pitchiah Esakki Karthik ◽  
Hashikaa Rajan ◽  
Vasanth Rajendiran Jothi ◽  
Min Jae Ko ◽  
Sung Chul Yi

2020 ◽  
Vol 36 (1) ◽  
pp. 27-34
Author(s):  
Ke-Hsuan WANG ◽  
Genta WATANABE ◽  
Hayato IKEUCHI ◽  
Siyang CUI ◽  
I-Ping LIU ◽  
...  

Nanoscale ◽  
2020 ◽  
Vol 12 (40) ◽  
pp. 20719-20725
Author(s):  
Kai Rong ◽  
Jiale Wei ◽  
Liang Huang ◽  
Youxing Fang ◽  
Shaojun Dong

A direct DES calcining method is developed to prepare low-dimensional and highly active transition metal oxides (TMOs) for electrochemical oxygen evolution reaction.


2019 ◽  
Vol 6 (21) ◽  
pp. 5446-5453 ◽  
Author(s):  
Alejandro García‐Miranda Ferrari ◽  
Dale A. C. Brownson ◽  
Craig E. Banks

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