Electrochemical Properties of Quinone-Based Organic Electrodes in LiCl/DMSO Electrolyte Solutions for Fluorine-Free Lithium Secondary Batteries

An organic electrolyte solution of 1.0 mol dm−3 LiCl/dimethyl sulfoxide (DMSO) was investigated for a fluorine-free battery with an electrode using 2,5-dimethoxy-1,4-benzoquinone (DMBQ) as the n-type active material and styrene butadiene rubber (SBR) as the binder. The DMBQ electrodes showed the ini...

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Main Authors: Sho OKUBO, Masahiko HAYASHI, Hiroaki TAGUCHI, Atsushi ARATAKE
Format: Article
Language:English
Published: The Electrochemical Society of Japan 2025-06-01
Series:Electrochemistry
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Online Access:https://www.jstage.jst.go.jp/article/electrochemistry/93/6/93_25-71018/_html/-char/en
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author Sho OKUBO
Masahiko HAYASHI
Hiroaki TAGUCHI
Atsushi ARATAKE
author_facet Sho OKUBO
Masahiko HAYASHI
Hiroaki TAGUCHI
Atsushi ARATAKE
author_sort Sho OKUBO
collection DOAJ
description An organic electrolyte solution of 1.0 mol dm−3 LiCl/dimethyl sulfoxide (DMSO) was investigated for a fluorine-free battery with an electrode using 2,5-dimethoxy-1,4-benzoquinone (DMBQ) as the n-type active material and styrene butadiene rubber (SBR) as the binder. The DMBQ electrodes showed the initial discharge capacities of 222 mAh g−1 and 164 mAh g−1 for the DMSO solution of the LiCl system and the LiPF6 system, respectively. Moreover, they showed similar working voltages of 2.6–2.7 V, even though their plateau slopes had slight differences. In addition, the chemical bonding and crystallinity changes of DMBQ were confirmed during discharge-charge, suggesting that it reacted electrochemically with Li+ in the LiCl/DMSO solution. The results of cycle properties suggested that a gradual decrease in the discharge capacities would result from denaturation and dissolution of DMBQ during the redox process in the electrolyte solution.
format Article
id doaj-art-c4b3b43d19d54ee78e6b58e83c4df497
institution Kabale University
issn 2186-2451
language English
publishDate 2025-06-01
publisher The Electrochemical Society of Japan
record_format Article
series Electrochemistry
spelling doaj-art-c4b3b43d19d54ee78e6b58e83c4df4972025-08-20T03:47:20ZengThe Electrochemical Society of JapanElectrochemistry2186-24512025-06-0193606300806300810.5796/electrochemistry.25-71018electrochemistryElectrochemical Properties of Quinone-Based Organic Electrodes in LiCl/DMSO Electrolyte Solutions for Fluorine-Free Lithium Secondary BatteriesSho OKUBO0https://orcid.org/0009-0008-3878-8493Masahiko HAYASHI1https://orcid.org/0000-0003-1373-1753Hiroaki TAGUCHI2Atsushi ARATAKE3https://orcid.org/0009-0004-0693-5808NTT Device Technology Labs, NTT CorporationNTT Device Technology Labs, NTT CorporationNTT Device Technology Labs, NTT CorporationNTT Device Technology Labs, NTT CorporationAn organic electrolyte solution of 1.0 mol dm−3 LiCl/dimethyl sulfoxide (DMSO) was investigated for a fluorine-free battery with an electrode using 2,5-dimethoxy-1,4-benzoquinone (DMBQ) as the n-type active material and styrene butadiene rubber (SBR) as the binder. The DMBQ electrodes showed the initial discharge capacities of 222 mAh g−1 and 164 mAh g−1 for the DMSO solution of the LiCl system and the LiPF6 system, respectively. Moreover, they showed similar working voltages of 2.6–2.7 V, even though their plateau slopes had slight differences. In addition, the chemical bonding and crystallinity changes of DMBQ were confirmed during discharge-charge, suggesting that it reacted electrochemically with Li+ in the LiCl/DMSO solution. The results of cycle properties suggested that a gradual decrease in the discharge capacities would result from denaturation and dissolution of DMBQ during the redox process in the electrolyte solution.https://www.jstage.jst.go.jp/article/electrochemistry/93/6/93_25-71018/_html/-char/enlithium secondary batteriesfluorine-free batteriesquinone-based electrodelicl/dmso electrolyte solution
spellingShingle Sho OKUBO
Masahiko HAYASHI
Hiroaki TAGUCHI
Atsushi ARATAKE
Electrochemical Properties of Quinone-Based Organic Electrodes in LiCl/DMSO Electrolyte Solutions for Fluorine-Free Lithium Secondary Batteries
Electrochemistry
lithium secondary batteries
fluorine-free batteries
quinone-based electrode
licl/dmso electrolyte solution
title Electrochemical Properties of Quinone-Based Organic Electrodes in LiCl/DMSO Electrolyte Solutions for Fluorine-Free Lithium Secondary Batteries
title_full Electrochemical Properties of Quinone-Based Organic Electrodes in LiCl/DMSO Electrolyte Solutions for Fluorine-Free Lithium Secondary Batteries
title_fullStr Electrochemical Properties of Quinone-Based Organic Electrodes in LiCl/DMSO Electrolyte Solutions for Fluorine-Free Lithium Secondary Batteries
title_full_unstemmed Electrochemical Properties of Quinone-Based Organic Electrodes in LiCl/DMSO Electrolyte Solutions for Fluorine-Free Lithium Secondary Batteries
title_short Electrochemical Properties of Quinone-Based Organic Electrodes in LiCl/DMSO Electrolyte Solutions for Fluorine-Free Lithium Secondary Batteries
title_sort electrochemical properties of quinone based organic electrodes in licl dmso electrolyte solutions for fluorine free lithium secondary batteries
topic lithium secondary batteries
fluorine-free batteries
quinone-based electrode
licl/dmso electrolyte solution
url https://www.jstage.jst.go.jp/article/electrochemistry/93/6/93_25-71018/_html/-char/en
work_keys_str_mv AT shookubo electrochemicalpropertiesofquinonebasedorganicelectrodesinlicldmsoelectrolytesolutionsforfluorinefreelithiumsecondarybatteries
AT masahikohayashi electrochemicalpropertiesofquinonebasedorganicelectrodesinlicldmsoelectrolytesolutionsforfluorinefreelithiumsecondarybatteries
AT hiroakitaguchi electrochemicalpropertiesofquinonebasedorganicelectrodesinlicldmsoelectrolytesolutionsforfluorinefreelithiumsecondarybatteries
AT atsushiaratake electrochemicalpropertiesofquinonebasedorganicelectrodesinlicldmsoelectrolytesolutionsforfluorinefreelithiumsecondarybatteries