Voltage clustering in redox-active ligand complexes: mitigating electronic communication through choice of metal ion
- Sandia National Lab. (SNL-CA), Livermore, CA (United States)
- San Francisco State Univ., CA (United States)
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Univ. of Pennsylvania, Philadelphia, PA (United States)
- Sandia National Lab. (SNL-CA), Livermore, CA (United States); Davidson College, Davidson, NC (United States)
We used the redox-active bis(imino)acenapthene (BIAN) ligand to synthesize homoleptic aluminum, chromium, and gallium complexes of the general formula (BIAN)3M. The resulting compounds were characterized using X-ray crystallography, NMR, EPR, magnetic susceptibility and cyclic voltammetry measurements and modeled using both DFT and ab initio wavefunction calculations to compare the orbital contributions of main group elements and transition metals in ligand-based redox events. Ultimately, complexes of this type have the potential to improve the energy density and electrolyte stability of grid-scale energy storage technologies, such as redox flow batteries, through thermodynamically-clustered redox events.
- Research Organization:
- Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States); Sandia National Laboratories, Livermore, CA
- Sponsoring Organization:
- USDOE Office of Electricity Delivery and Energy Reliability (OE), Power Systems Engineering Research and Development (R&D) (OE-10)
- Grant/Contract Number:
- AC04-94AL85000
- OSTI ID:
- 1249077
- Report Number(s):
- SAND2016-0959J; 619086
- Journal Information:
- Dalton Transactions, Journal Name: Dalton Transactions Journal Issue: C Vol. 7; ISSN 1477-9226; ISSN ICHBD9
- Country of Publication:
- United States
- Language:
- English
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