The Effect of Electrode Potential on the Conductivity of Polymer Complexes of Nickel with Salen Ligands

Research output

Abstract

The influence of the electrode potential on the electric conductivity of polymer complexes of nickel with salen-type ligands (where salen is N,N′-ethylene-bis(salicylideneimine)) differing by substituents in ligand′s benzene ring is studied in the course of measuring cyclic voltammograms. The highest electron conductivity is observed for the film of poly[N,N′-ethylene-bis(3-methoxysalicylideneiminato) nickel(II)] (poly[Ni(CH3OSalen)]) in 1 M LiPF6 solution in the ethylene carbonate-diethylcarbonate mixture (EC: DEC = 1: 1). Poly[N,N′-ethylene-bis(3-methyl-salicyleneiminato) nickel(II)] (or poly[Ni(CH3Salen)]) was found to have the widest potential range of electronic conductivity. Conditions are selected for synthesizing films from solutions of the corresponding monomers in 1 M LiPF6 EC: DEC electrolyte. The electrode potential intervals suitable for the use of poly[Ni(CH3Salen)] as the buffer interlayer between the aluminum substrate and the cathode mass in lithium-ion batteries for protecting the latter against overcharge are found.

Original languageEnglish
Pages (from-to)339-345
JournalRussian Journal of Electrochemistry
Volume55
Issue number4
DOIs
Publication statusPublished - 1 Apr 2019

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Nickel
Polymers
Ethylene
Ligands
Electrodes
Benzene
Aluminum
Electrolytes
Buffers
Cathodes
Monomers
Carbonates
Electrons
Substrates
ethylene
disalicylaldehyde ethylenediamine

Scopus subject areas

  • Electrochemistry

Cite this

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title = "The Effect of Electrode Potential on the Conductivity of Polymer Complexes of Nickel with Salen Ligands",
abstract = "The influence of the electrode potential on the electric conductivity of polymer complexes of nickel with salen-type ligands (where salen is N,N′-ethylene-bis(salicylideneimine)) differing by substituents in ligand′s benzene ring is studied in the course of measuring cyclic voltammograms. The highest electron conductivity is observed for the film of poly[N,N′-ethylene-bis(3-methoxysalicylideneiminato) nickel(II)] (poly[Ni(CH3OSalen)]) in 1 M LiPF6 solution in the ethylene carbonate-diethylcarbonate mixture (EC: DEC = 1: 1). Poly[N,N′-ethylene-bis(3-methyl-salicyleneiminato) nickel(II)] (or poly[Ni(CH3Salen)]) was found to have the widest potential range of electronic conductivity. Conditions are selected for synthesizing films from solutions of the corresponding monomers in 1 M LiPF6 EC: DEC electrolyte. The electrode potential intervals suitable for the use of poly[Ni(CH3Salen)] as the buffer interlayer between the aluminum substrate and the cathode mass in lithium-ion batteries for protecting the latter against overcharge are found.",
keywords = "cyclic voltammery, electrochemical properties, electronic conductivity, in situ measurements of electronic conductivity, polymer complexes of nickel with salen ligands",
author = "Beletskii, {E. V.} and Volosatova, {Yu. A.} and Eliseeva, {S. N.} and Levin, {O. V.}",
year = "2019",
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language = "English",
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T1 - The Effect of Electrode Potential on the Conductivity of Polymer Complexes of Nickel with Salen Ligands

AU - Beletskii, E. V.

AU - Volosatova, Yu. A.

AU - Eliseeva, S. N.

AU - Levin, O. V.

PY - 2019/4/1

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N2 - The influence of the electrode potential on the electric conductivity of polymer complexes of nickel with salen-type ligands (where salen is N,N′-ethylene-bis(salicylideneimine)) differing by substituents in ligand′s benzene ring is studied in the course of measuring cyclic voltammograms. The highest electron conductivity is observed for the film of poly[N,N′-ethylene-bis(3-methoxysalicylideneiminato) nickel(II)] (poly[Ni(CH3OSalen)]) in 1 M LiPF6 solution in the ethylene carbonate-diethylcarbonate mixture (EC: DEC = 1: 1). Poly[N,N′-ethylene-bis(3-methyl-salicyleneiminato) nickel(II)] (or poly[Ni(CH3Salen)]) was found to have the widest potential range of electronic conductivity. Conditions are selected for synthesizing films from solutions of the corresponding monomers in 1 M LiPF6 EC: DEC electrolyte. The electrode potential intervals suitable for the use of poly[Ni(CH3Salen)] as the buffer interlayer between the aluminum substrate and the cathode mass in lithium-ion batteries for protecting the latter against overcharge are found.

AB - The influence of the electrode potential on the electric conductivity of polymer complexes of nickel with salen-type ligands (where salen is N,N′-ethylene-bis(salicylideneimine)) differing by substituents in ligand′s benzene ring is studied in the course of measuring cyclic voltammograms. The highest electron conductivity is observed for the film of poly[N,N′-ethylene-bis(3-methoxysalicylideneiminato) nickel(II)] (poly[Ni(CH3OSalen)]) in 1 M LiPF6 solution in the ethylene carbonate-diethylcarbonate mixture (EC: DEC = 1: 1). Poly[N,N′-ethylene-bis(3-methyl-salicyleneiminato) nickel(II)] (or poly[Ni(CH3Salen)]) was found to have the widest potential range of electronic conductivity. Conditions are selected for synthesizing films from solutions of the corresponding monomers in 1 M LiPF6 EC: DEC electrolyte. The electrode potential intervals suitable for the use of poly[Ni(CH3Salen)] as the buffer interlayer between the aluminum substrate and the cathode mass in lithium-ion batteries for protecting the latter against overcharge are found.

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KW - electrochemical properties

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