Role of the Interfacial Effect between the Substrate and Co(OH)2 Layer in Electrochemical Oxygen Evolution

Author(s):  
Peican Wang ◽  
Runzhi Wang ◽  
Qin Xu ◽  
Ziang Xu ◽  
Lei Wan ◽  
...  
2015 ◽  
Vol 17 (38) ◽  
pp. 25593-25606 ◽  
Author(s):  
C. J. Bondue ◽  
P. Reinsberg ◽  
A. A. Abd-El-Latif ◽  
H. Baltruschat

Electrochemical oxygen reduction to both peroxide and superoxide is an inner sphere reaction in DMSO.


2019 ◽  
Vol 7 (28) ◽  
pp. 17008-17013 ◽  
Author(s):  
Tiantian Wang ◽  
Wujie Qiu ◽  
Qi Feng ◽  
Kui Huang ◽  
Xiaolin Zhao ◽  
...  

Electron holes occurring above the O-p Fermi level result in high-barrier kinetics of electrochemical oxygen evolution, which is a major contributor to the wide EW in LLZO.


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.


2018 ◽  
Vol 11 (5) ◽  
pp. 1287-1298 ◽  
Author(s):  
Prashanth W. Menezes ◽  
Chakadola Panda ◽  
Stefan Loos ◽  
Florian Bunschei-Bruns ◽  
Carsten Walter ◽  
...  

The mechanistically distinct and synergistic role of phosphite anions in hydrogen evolution and nickel cations in oxygen evolution have been uncovered for active and durable overall water splitting catalysis in nickel phosphite.


Joule ◽  
2021 ◽  
Vol 5 (1) ◽  
pp. 16-18
Author(s):  
Reshma R. Rao ◽  
Ifan E.L. Stephens ◽  
James R. Durrant

Author(s):  
Juhyung Choi ◽  
Daekyu Kim ◽  
Weiran Zheng ◽  
Bingyi Yan ◽  
Yong Li ◽  
...  

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...


2002 ◽  
Vol 29 (10) ◽  
pp. 1141 ◽  
Author(s):  
Govindjee ◽  
Manfredo J. Seufferheld

This paper deals first with the early, although incomplete, history of photoinhibition, of 'non-QA-related chlorophyll (Chl) a fluorescence changes', and the xanthophyll cycle that preceded the discovery of the correlation between non-photochemical quenching of Chl a fluorescence (NPQ) and conversion of violaxanthin to zeaxanthin. It includes the crucial observation that the fluorescence intensity quenching, when plants are exposed to excess light, is indeed due to a change in the quantum yield of fluorescence. The history ends with a novel turn in the direction of research — isolation and characterization of NPQ xanthophyll-cycle mutants of Chlamydomonas reinhardtii Dangeard and Arabidopsis thaliana (L.) Heynh., blocked in conversion of violaxanthin to zeaxanthin, and zeaxanthin to violaxanthin, respectively. In the second part of the paper, we extend the characterization of two of these mutants (npq1, which accumulates violaxanthin, and npq2, which accumulates zeaxanthin) through parallel measurements on growth, and several assays of PSII function: oxygen evolution, Chl a fluorescence transient (the Kautsky effect), the two-electron gate function of PSII, the back reactions around PSII, and measurements of NPQ by pulse-amplitude modulation (PAM 2000) fluorimeter. We show that, in the npq2 mutant, Chl a fluorescence is quenched both in the absence and presence of 3-(3,4-dichlorophenyl)-1,1-dimethylurea (DCMU). However, no differences are observed in functioning of the electron-acceptor side of PSII — both the two-electron gate and the back reactions are unchanged. In addition, the role of protons in fluorescence quenching during the 'P-to-S' fluorescence transient was confirmed by the effect of nigericin in decreasing this quenching effect. Also, the absence of zeaxanthin in the npq1 mutant leads to reduced oxygen evolution at high light intensity, suggesting another protective role of this carotenoid. The available data not only support the current model of NPQ that includes roles for both pH and the xanthophylls, but also are consistent with additional protective roles of zeaxanthin. However, this paper emphasizes that we still lack sufficient understanding of the different parts of NPQ, and that the precise mechanisms of photoprotection in the alga Chlamydomonas may not be the same as those in higher plants.


Nature ◽  
2021 ◽  
Author(s):  
Hong Nhan Nong ◽  
Lorenz J. Falling ◽  
Arno Bergmann ◽  
Malte Klingenhof ◽  
Hoang Phi Tran ◽  
...  
Keyword(s):  

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

Sign in / Sign up

Export Citation Format

Share Document