scholarly journals Direct observation of reversible oxygen anion redox reaction in Li-rich manganese oxide, Li2MnO3, studied by soft X-ray absorption spectroscopy

2016 ◽  
Vol 4 (23) ◽  
pp. 9293-9302 ◽  
Author(s):  
Masatsugu Oishi ◽  
Keisuke Yamanaka ◽  
Iwao Watanabe ◽  
Keiji Shimoda ◽  
Toshiyuki Matsunaga ◽  
...  
Keyword(s):  
Manganese Oxide ◽  
Absorption Spectroscopy ◽  
Redox Reaction ◽  
Charge Compensation ◽  
Compensation Mechanism ◽  
Oxygen Anion ◽  
X Ray ◽  
Redox Cycles ◽  
Reversible Redox ◽  
X Ray Absorption

We investigated the reversible charge compensation mechanism of an Li2MnO3 electrode using soft XAS analysis. We concluded that both the Mn and O ions participated in the charge compensation reactions during the reversible redox cycles.

Charge Compensation Mechanism of Lithium-Excess Metal Oxides with Different Covalent and Ionic Characters Revealed by Operando Soft and Hard X-ray Absorption Spectroscopy

2019 ◽  
Vol 32 (1) ◽  
pp. 139-147 ◽  
Author(s):  
Kentaro Yamamoto ◽  
Yingying Zhou ◽  
Naoaki Yabuuchi ◽  
Koji Nakanishi ◽  
Takahiro Yoshinari ◽  
...  
Keyword(s):  
Metal Oxides ◽  
Absorption Spectroscopy ◽  
Charge Compensation ◽  
Compensation Mechanism ◽  
X Ray ◽  
X Ray Absorption

Charge compensation and capacity fading in LiCoO 2 at high voltage investigated by soft x-ray absorption spectroscopy

2018 ◽  
Vol 27 (10) ◽  
pp. 107802 ◽  
Author(s):  
Xing-Hui Long ◽  
Yan-Ru Wu ◽  
Nian Zhang ◽  
Peng-Fei Yu ◽  
Xue-Fei Feng ◽  
...  
Keyword(s):  
Absorption Spectroscopy ◽  
High Voltage ◽  
Charge Compensation ◽  
Capacity Fading ◽  
X Ray ◽  
X Ray Absorption

scholarly journals Arsenite Oxidation by a Poorly Crystalline Manganese-Oxide. 2. Results from X-ray Absorption Spectroscopy and X-ray Diffraction

2010 ◽  
Vol 44 (22) ◽  
pp. 8467-8472 ◽  
Author(s):  
Brandon J. Lafferty ◽  
Matthew Ginder-Vogel ◽  
Mengqiang Zhu ◽  
Kenneth J. T. Livi ◽  
Donald L. Sparks
Keyword(s):  
Manganese Oxide ◽  
Absorption Spectroscopy ◽  
X Ray Diffraction ◽  
Arsenite Oxidation ◽  
X Ray ◽  
X Ray Absorption

scholarly journals Redox Processes of Manganese Oxide in Catalyzing Oxygen Evolution and Reduction: An in Situ Soft X-ray Absorption Spectroscopy Study

2017 ◽  
Vol 121 (33) ◽  
pp. 17682-17692 ◽  
Author(s):  
Marcel Risch ◽  
Kelsey A. Stoerzinger ◽  
Binghong Han ◽  
Tom Z. Regier ◽  
Derek Peak ◽  
...  
Keyword(s):  
Manganese Oxide ◽  
Oxygen Evolution ◽  
Absorption Spectroscopy ◽  
Redox Processes ◽  
Spectroscopy Study ◽  
X Ray ◽  
X Ray Absorption

Charge compensation mechanisms in U 1-x Gd x O 2 and Th 1-x Gd x O 2-x/2 studied by X-ray Absorption Spectroscopy

2017 ◽  
Vol 489 ◽  
pp. 9-21 ◽  
Author(s):  
R. Bès ◽  
J. Pakarinen ◽  
A. Baena ◽  
S. Conradson ◽  
M. Verwerft ◽  
...  
Keyword(s):  
Absorption Spectroscopy ◽  
Charge Compensation ◽  
X Ray ◽  
Compensation Mechanisms ◽  
X Ray Absorption ◽  
Th 1
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