Evaluation of Tris-Bipyridine Chromium Complexes for Flow Battery Applications: Impact of Bipyridine Ligand Structure on Solubility and Electrochemistry

被引：56

作者：

Cabrera, Pablo J. ^{[1
,3
]}

Yang, Xingyi ^{[2
,3
]}

Suttil, James A. ^{[1
,3
]}

Brooner, Rachel E. M. ^{[1
,3
]}

Thompson, Levi T. ^{[2
,3
]}

Sanford, Melanie S. ^{[1
,3
]}

机构：

[1] Univ Michigan, Dept Chem, Ann Arbor, MI 48109 USA

[2] Univ Michigan, Dept Chem Engn, Ann Arbor, MI 48109 USA

[3] Joint Ctr Energy Storage Res, Argonne, IL USA

来源：

INORGANIC CHEMISTRY | 2015年 / 54卷 / 21期

关键词：

ELECTRICAL ENERGY-STORAGE; RENEWABLE ENERGY; REDOX; ELECTROLYTES; OXIDATION; HEXAFLUOROPHOSPHATE; CATHOLYTE; RUTHENIUM; PROGRESS; METALS;

D O I：

10.1021/acs.inorgchem.5b01328

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

This report describes the design, synthesis, solubility, and electrochemistry of a series of tris-bipyridine chromium complexes that exhibit up to six reversible redox couples as well as solubilities approaching 1 M in acetonitrile. We have systematically modified both the ligand structure and the oxidation state of these complexes to gain insights into the factors that impact solubility and electrochemistry. The results provide a set of structure-solubility-electrochemistry relationships to guide the future development of electrolytes for nonaqueous flow batteries. In addition, we have identified a promising candidate from the series of chromium complexes for further electrochemical and battery assessment.

引用

页码：10214 / 10223

页数：10

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