Doubly bridged species as transition states or intermediates in transition metal redox reactions

1979 ◽  
Vol 101 (18) ◽  
pp. 5217-5221 ◽  
Author(s):  
Jeremy K. Burdett
Keyword(s):  
Transition Metal ◽  
Redox Reactions ◽  
Transition States ◽  
Metal Redox

scholarly journals Density-Based Descriptors of Redox Reactions Involving Transition Metal Compounds as a Reality-Anchored Framework: A Perspective

Molecules ◽  
2021 ◽  
Vol 26 (18) ◽  
pp. 5541
Author(s):  
Daniel Koch ◽  
Mohamed Chaker ◽  
Manabu Ihara ◽  
Sergei Manzhos
Keyword(s):  
Transition Metal ◽  
Metal Ion ◽  
Redox Reactions ◽  
Rational Design ◽  
Chemical Properties ◽  
Transition Metal Ions ◽  
Blind Spot ◽  
Transition Metal Compounds ◽  
Metal Compounds ◽  
Active Transition

Description of redox reactions is critically important for understanding and rational design of materials for electrochemical technologies, including metal-ion batteries, catalytic surfaces, or redox-flow cells. Most of these technologies utilize redox-active transition metal compounds due to their rich chemistry and their beneficial physical and chemical properties for these types of applications. A century since its introduction, the concept of formal oxidation states (FOS) is still widely used for rationalization of the mechanisms of redox reactions, but there exists a well-documented discrepancy between FOS and the electron density-derived charge states of transition metal ions in their bulk and molecular compounds. We summarize our findings and those of others which suggest that density-driven descriptors are, in certain cases, better suited to characterize the mechanism of redox reactions, especially when anion redox is involved, which is the blind spot of the FOS ansatz.

scholarly journals Pseudocapacitive behavior of the Fe2O3 anode and its contribution to high reversible capacity in lithium ion batteries

Nanoscale ◽  
2018 ◽  
Vol 10 (37) ◽  
pp. 18010-18018 ◽  
Author(s):  
Yimo Xiang ◽  
Zhigao Yang ◽  
Shengping Wang ◽  
Md. Shahriar A. Hossain ◽  
Jingxian Yu ◽  
...  
Keyword(s):  
Transition Metal ◽  
Metal Oxide ◽  
Lithium Ion Batteries ◽  
Redox Reactions ◽  
Lithium Ion ◽  
Transition Metal Oxide ◽  
Reversible Capacity ◽  
High Reversible Capacity ◽  
Reversible Redox ◽  
Pseudocapacitive Behavior

Pseudocapacitance, which is the storage of charge based on continuous and fast reversible redox reactions at the surface of the electrodes, is commonly observed in transition metal oxide based LIB anodes.

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