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Title: Linked Picolinamide Nickel Complexes as Redox Carriers for Nonaqueous Flow Batteries

Abstract

Here, the use of nickel complexes utilizing non–innocent ligands based on picolinamide to function as redox carriers in flow batteries was explored. The picolinamide moiety was linked together with –CH 2CH 2– (bpen), –CH 2CH 2CH 2– (bppn), and –C 6H 4– (bpb) moieties, resulting in two, three, and four quasi–reversible waves, respectively, for the nickel complexes and >3 V difference between the outermost positive and negative waves. The redox events were theoretically modelled for each complex, showing excellent agreement (<0.3 V difference) between the experimental and modelled potentials. Bulk cycling of the most soluble complex, Ni(bppn), indicated only one of the three waves was reversible. Therefore, Ni(bppn) has the ability to act as a negative charge redox carrier in flow cells.

Authors:
ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE Laboratory Directed Research and Development (LDRD) Program
OSTI Identifier:
1495174
Alternate Identifier(s):
OSTI ID: 1493930
Report Number(s):
LA-UR-19-20609
Journal ID: ISSN 1864-5631
Grant/Contract Number:  
89233218CNA000001; 20170046DR
Resource Type:
Accepted Manuscript
Journal Name:
ChemSusChem
Additional Journal Information:
Journal Volume: 12; Journal Issue: 7; Journal ID: ISSN 1864-5631
Publisher:
ChemPubSoc Europe
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE; Energy Sciences; batteries; nickel; nonaqueous; redox flow battery; redox potentials

Citation Formats

Chu, Terry, Popov, Ivan Aleksandrovich, Andrade, Gabriel A., Maurya, Sandip, Yang, Ping, Batista, Enrique Ricardo, Scott, Brian Lindley, Mukundan, Rangachary, and Davis, Benjamin L. Linked Picolinamide Nickel Complexes as Redox Carriers for Nonaqueous Flow Batteries. United States: N. p., 2019. Web. doi:10.1002/cssc.201802985.
Chu, Terry, Popov, Ivan Aleksandrovich, Andrade, Gabriel A., Maurya, Sandip, Yang, Ping, Batista, Enrique Ricardo, Scott, Brian Lindley, Mukundan, Rangachary, & Davis, Benjamin L. Linked Picolinamide Nickel Complexes as Redox Carriers for Nonaqueous Flow Batteries. United States. doi:10.1002/cssc.201802985.
Chu, Terry, Popov, Ivan Aleksandrovich, Andrade, Gabriel A., Maurya, Sandip, Yang, Ping, Batista, Enrique Ricardo, Scott, Brian Lindley, Mukundan, Rangachary, and Davis, Benjamin L. Thu . "Linked Picolinamide Nickel Complexes as Redox Carriers for Nonaqueous Flow Batteries". United States. doi:10.1002/cssc.201802985.
@article{osti_1495174,
title = {Linked Picolinamide Nickel Complexes as Redox Carriers for Nonaqueous Flow Batteries},
author = {Chu, Terry and Popov, Ivan Aleksandrovich and Andrade, Gabriel A. and Maurya, Sandip and Yang, Ping and Batista, Enrique Ricardo and Scott, Brian Lindley and Mukundan, Rangachary and Davis, Benjamin L.},
abstractNote = {Here, the use of nickel complexes utilizing non–innocent ligands based on picolinamide to function as redox carriers in flow batteries was explored. The picolinamide moiety was linked together with –CH2CH2– (bpen), –CH2CH2CH2– (bppn), and –C6H4– (bpb) moieties, resulting in two, three, and four quasi–reversible waves, respectively, for the nickel complexes and >3 V difference between the outermost positive and negative waves. The redox events were theoretically modelled for each complex, showing excellent agreement (<0.3 V difference) between the experimental and modelled potentials. Bulk cycling of the most soluble complex, Ni(bppn), indicated only one of the three waves was reversible. Therefore, Ni(bppn) has the ability to act as a negative charge redox carrier in flow cells.},
doi = {10.1002/cssc.201802985},
journal = {ChemSusChem},
number = 7,
volume = 12,
place = {United States},
year = {2019},
month = {1}
}

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This content will become publicly available on January 24, 2020
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