Three-electron reversible redox for a high-energy fluorophosphate cathode: Na3V2O2(PO4)2F

2019 ◽  
Vol 55 (27) ◽  
pp. 3979-3982 ◽  
Author(s):  
Manhua Peng ◽  
Dongtang Zhang ◽  
Xiayan Wang ◽  
Dingguo Xia ◽  
Yugang Sun ◽  
...  
Keyword(s):  
High Energy ◽  
Redox Behavior ◽  
Space Group ◽  
Reversible Redox

Na3V2O2(PO4)2F crystallising in space group I4/mmm shows three-electron reversible redox behavior.

Reversible Redox Behavior between Stannole Dianion and Bistannole-1,2-Dianion

2006 ◽  
Vol 128 (15) ◽  
pp. 4934-4935 ◽  
Author(s):  
Ryuta Haga ◽  
Masaichi Saito ◽  
Michikazu Yoshioka
Keyword(s):  
Redox Behavior ◽  
Reversible Redox

Asymmetric allyl-activation of organosulfides for high-energy reversible redox flow batteries

2019 ◽  
Vol 12 (7) ◽  
pp. 2244-2252 ◽  
Author(s):  
Guo-Ming Weng ◽  
Bin Yang ◽  
Chi-You Liu ◽  
Guan-Ying Du ◽  
Elise Y. Li ◽  
...  
Keyword(s):  
High Energy ◽  
Redox Flow Batteries ◽  
Reversible Redox ◽  
Flow Batteries

This work demonstrates an effective and universal strategy to improve the sluggish organosulfides (R–Sn–R) for redox flow batteries by asymmetric allylsubstituted organosulfides (R–Sn–A).

Reversible redox behavior of Fe2O3/TiO2 composites in the gaseous photodegradation process

2019 ◽  
Vol 45 (10) ◽  
pp. 13187-13192 ◽  
Author(s):  
Xueping Dai ◽  
Guanhong Lu ◽  
Yidan Hu ◽  
Xiaofeng Xie ◽  
Xiao Wang ◽  
...  
Keyword(s):  
Redox Behavior ◽  
Reversible Redox

Crystallization and preliminary X-ray crystallographic analysis of the Pseudomonas aeruginosa cyclohexadienyl dehydratase

1999 ◽  
Vol 55 (2) ◽  
pp. 539-541
Author(s):  
Palangpon Kongsaeree ◽  
Jun Liang ◽  
Roy A. Jensen ◽  
Jon Clardy
Keyword(s):  
Pseudomonas Aeruginosa ◽  
Crystal Form ◽  
High Energy ◽  
Crystallographic Analysis ◽  
Unit Cell ◽  
Space Group ◽  
X Ray ◽  
Cell Dimensions ◽  
Unit Cell Dimensions

The title protein has been crystallized in a new crystal form. The crystals belong to the cubic space group P4132 (or P4332) with unit-cell dimensions a = b = c = 126.1 Å at 100 K and typically diffract beyond 1.6 Å at the Cornell High Energy Synchotron Source (CHESS) A1 beamline.

A rechargeable zinc-air battery based on zinc peroxide chemistry

Science ◽  
2020 ◽  
Vol 371 (6524) ◽  
pp. 46-51
Author(s):  
Wei Sun ◽  
Fei Wang ◽  
Bao Zhang ◽  
Mengyi Zhang ◽  
Verena Küpers ◽  
...  
Keyword(s):  
Atmospheric Carbon Dioxide ◽  
Ambient Air ◽  
High Energy ◽  
Zinc Ion ◽  
High Energy Density ◽  
Air Cathode ◽  
Reversible Redox ◽  
Air Battery ◽  
Zinc Peroxide ◽  
Zinc Air Batteries

Rechargeable alkaline zinc-air batteries promise high energy density and safety but suffer from the sluggish 4 electron (e−)/oxygen (O2) chemistry that requires participation of water and from the electrochemical irreversibility originating from parasitic reactions caused by caustic electrolytes and atmospheric carbon dioxide. Here, we report a zinc-O2/zinc peroxide (ZnO2) chemistry that proceeds through a 2e−/O2 process in nonalkaline aqueous electrolytes, which enables highly reversible redox reactions in zinc-air batteries. This ZnO2 chemistry was made possible by a water-poor and zinc ion (Zn2+)–rich inner Helmholtz layer on the air cathode caused by the hydrophobic trifluoromethanesulfonate anions. The nonalkaline zinc-air battery thus constructed not only tolerates stable operations in ambient air but also exhibits substantially better reversibility than its alkaline counterpart.

Pyren-1-ylmethyl N-substituted oxoporphyrinogens

2007 ◽  
Vol 11 (05) ◽  
pp. 390-396 ◽  
Author(s):  
Jonathan P. Hill ◽  
Katsuhiko Ariga ◽  
Amy Lea Schumacher ◽  
Paul A. Karr ◽  
Francis D'Souza
Keyword(s):  
Electrochemical Properties ◽  
Electrochemical Measurements ◽  
Redox Behavior ◽  
Tert Butyl ◽  
Reversible Redox ◽  
Excimer Formation

5,10,15,20-tetrakis(3,5-di-tert-butyl-4-oxocyclohexadien-2,5-yl)porphyrinogen was alkylated at its macrocyclic nitrogen atoms with pyren-1-ylmethyl groups and the effect of increasing N-substitution on the spectroscopic and electrochemical properties was investigated. Both pyrene and oxoporphyrinogen chromophores exhibit fluorescence and there is little interaction between them except in the higher N-substituted compounds. Intra- or intermolecular excimer formation by pyrene is precluded by attachment to the bulky oxoporphyrinogen. Electrochemical measurements revealed reversible redox behavior.

Reversible Redox Behavior of Quinone-Based Molecule with Activated Carbon Slurry Electrode

2020 ◽  
Vol MA2020-02 (68) ◽  
pp. 3551-3551
Author(s):  
Keisuke Suzuki ◽  
Daisuke Takimoto ◽  
Sho Hideshima ◽  
Wataru Sugimoto
Keyword(s):  
Activated Carbon ◽  
Redox Behavior ◽  
Reversible Redox
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