Serizawa, Nobuyuki

写真a

Affiliation

Faculty of Science and Technology, Department of Applied Chemistry (Yagami)

Position

Assistant Professor/Senior Assistant Professor

Related Websites

Career 【 Display / hide

  • 2009.04
    -
    2017.03

    Central Research Institute of Electric Power Industry, Materials Science Research Laboratory

Academic Background 【 Display / hide

  • 2003.04
    -
    2007.03

    Keio University, Faculty of Science and Technology, Department of Applied Chemistry

    University, Graduated

  • 2007.04
    -
    2009.03

    Keio University, Graduate School of Science and Technology, School of Science for Open and Environmental Systems

    Graduate School, Completed, Master's course

  • 2012.04
    -
    2015.03

    Keio University, Graduate School of Science and Technology, School of Integrated Design Engineering

    Graduate School, Completed, Doctoral course

Academic Degrees 【 Display / hide

  • 博士(工学), 慶應義塾大学大学院, Coursework

    水晶振動子電極による局所物性のその場測定を組み合わせたイオン液体中における金属の電気化学的析出・溶解に関する研究

 

Research Areas 【 Display / hide

  • Nanotechnology/Materials / Energy chemistry

Research Keywords 【 Display / hide

  • Plating

  • Ionic liquids

  • Energy conversion & storage

  • Electrochemistry

  • Battery

 

Books 【 Display / hide

  • イオン液体の実用展開に向けた最新動向

    芹澤信幸,片山 靖, シーエムシー出版, 2022.08

    Scope: イオン液体中におけるレドックス反応と電池への応用,  Contact page: 106-113

  • Design and New Energy Application of Ionic Liquids

    Seki Shiro, Ono Shimpei, Serizawa Nobuyuki, Umebayashi Yasuhiro, Tsuzuki Seiji, Ueno Kazuhide, Watanabe Masayoshi, The Royal Society of Chemistry, 2018.09

     View Summary

    <p>New electrochemical application using room-temperature ionic liquids (ILs) are introduced, such as lithium secondary batteries, electrochemical double layer capacitors, and novel types of electrical devices for sustainable and renewal energy society. ILs have so many combinations, owing to many cation/anion species. In this chapter, we introduce properties from fundamental (general and special physicochemical properties) to electrochemical applications of ILs. We also discuss importance of molecular design and application target of ILs.</p>

Papers 【 Display / hide

  • Electrochemical Behavior of Silver Halogenocomplexes in an Amide-Type Ionic Liquid

    Nobuyuki Serizawa, Suguru Kuwahara, Yasushi Katayama

    Journal of The Electrochemical Society 169   092502 2022.09

    Research paper (scientific journal), Joint Work, Lead author, Accepted

  • Communication - Determination of the Formation Potential of Solid-Electrolyte Interphase in Amide-Type Ionic Liquids Containing Lithium Salts

    Kato S., Serizawa N., Katayama Y.

    Journal of the Electrochemical Society (Journal of the Electrochemical Society)  169 ( 7 )  2022.07

    ISSN  00134651

     View Summary

    The formation potentials of solid-electrolyte interphase (SEI) were investigated in 1-butyl-1-methylpyrrolidinium bis(fluorosulfonyl)amide (BMPFSA) and 1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)amide (BMPTFSA) containing LiFSA and LiTFSA, respectively, by monitoring the redox reaction of ferrocene with high sensitivity. The SEI was found to affect the electrode kinetics of the outersphere electron transfer reaction. The SEIs with the thickness of less than a few nm formed in LiFSA/BMPFSA and LiTFSA/BMPTFSA at 2.4 and 2.5 V vs Li|Li(I), respectively. The cathodic decomposition of FSA- and TFSA- was considered to be promoted by the interaction with Li+ based on the ab-initio calculation.

  • Potential Dependence of the Impedance of Solid Electrolyte Interphase in Some Electrolytes

    Furuya R., Serizawa N., Katayama Y.

    Electrochemistry (Electrochemistry)  90 ( 5 )  2022

    ISSN  13443542

     View Summary

    The dependence of the impedances of lithium phosphorous oxynitride (LiPON) thin film and solid electrolyte interphase (SEI) formed by decomposition of some electrolytes on the electrode potential was investigated by electrochemical impedance spectroscopy. A LiPON thin film was prepared on a Ni electrode by radio frequency magnetron sputtering of Li3PO4 under nitrogen atmosphere. The resistance of the LiPON thin film decreased with lowering the electrode potential in an ionic liquid, 1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl) amide (BMPTFSA) containing 1M LiTFSA. The similar potential dependence of the impedance of the SEI formed in 1M LiTFSA/BMPTFSA was observed, suggesting that the Li+ carrier density in the LiPON thin film and SEI increased with lowering the electrode potential probably due to the doping of Li+ from the electrolyte into the thin Li+ conductors in order to compensate the negative charge on the electrode. On the other hand, the potential dependence of the SEI formed in LiTFSA-tetraglyme (G4) solvate ionic liquid was insignificant because of the high concentration of Li+ in the SEI and electrolyte. The resistance of the SEI formed in 1M LiClO4/EC (ethylene carbonate) + DMC (dimethyl carbonate) (1 : 1 vol%) did not depend on the electrode potential, suggesting the thin and highly Li+ conductive SEI is formed in the organic electrolyte.

  • Deposition and Dissolution of Lithium in 1-Methyl-1-methoxyethylpyrrolidinium Bis(fluorosulfonyl)amide Ionic Liquid Electrolyte with Different Compositions

    Furuya R., Hara T., Fukunaga T., Kawakami K., Serizawa N., Katayama Y.

    Journal of the Electrochemical Society (Journal of the Electrochemical Society)  168 ( 10 )  2021.10

    ISSN  00134651

     View Summary

    The solid electrolyte interphase (SEI) between Li and ionic liquid electrolytes was investigated in 1-methyl-1-propylpyrrolidinium bis(fluorosulfonyl)amide (MPPFSA) and 1-methyl-1-methoxyethylpyrrolidinium bis(fluorosulfonyl)amide (MOEMPFSA) with different LiFSA concentrations. The physicochemical properties and the coordination states of Li+ with FSA- with increasing the LiFSA concentration were similar between xLiFSA-MPPFSA and MOEMPFSA. On the other hand, the SEI resistance obtained by electrochemical impedance spectroscopy using a Li|Li symmetrical cell increased with the lapse of time in xLiFSA-MPPFSA more significantly than in xLiFSA-MOEMPFSA, suggesting that the SEI formed in xLiFSA-MOEMPFSA was more conductive than that in xLiFSA-MPPFSA. The SEI formed on Li was considered to be composed mainly of the ions in the electrolytes and their decomposed products by X-ray photoelectron spectroscopy. The cyclability of deposition and dissolution of Li was improved with increasing the LiFSA concentration in both xLiFSA-MPPFSA and MOEMPFSA. An increase in the conductivity of the SEI with increasing the LiFSA concentration may lead to the promotion of homogeneous growth of Li rather than dendritic growth of Li.

  • Electrochemical Recovery of Cobalt from Cobalt Oxide in an Amide-Type Ionic Liquid with Low-Temperature Carbochlorination

    Yeh H.W., Serizawa N., Katayama Y.

    Journal of the Electrochemical Society (Journal of the Electrochemical Society)  168 ( 8 )  2021.08

    ISSN  00134651

     View Summary

    Electrochemical recovery of metallic Co was attempted from CoO in 1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)amide (BMPTFSA) containing 0.5 M BMPCl. CoO was dissolved in 0.5 M BMPCl/BMPTFSA with a carbochlorination reagent, C2Cl6, to form [CoCl4]2- at 150 °C. After the removal of electroactive C2Cl6 and byproducts, the electrochemical reduction of [CoCl4]2- was found to be possible on a glassy carbon electrode in the ionic liquid. Co nanowires were deposited by electrochemical reduction of [CoCl4]2- in 0.5 M BMPCl/BMPTFSA under an external magnetic field, which promoted the cathodic reduction and affected the morphology of the deposits. The deposited Co nanowires were found to be composed of crystalline Co nanoparticles by transmission electron microscopy.

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Reviews, Commentaries, etc. 【 Display / hide

  • Electropolishing and the Mass Transfer During the Electrochemical Anodic Dissolution of Metals in Ionic Liquids

    Nobuyuki Serizawa, Yasushi Katayama

    Journal of the Surface Finishing Society of Japan 73 ( 7 ) 353 - 358 2022.07

    Article, review, commentary, editorial, etc. (scientific journal), Joint Work, Lead author,  ISSN  0915-1869

  • アドミッタンス解析法を用いた電気化学水晶振動子マイクロバランス測定

    芹澤 信幸, 片山 靖

    電気化学 89   292 - 298 2021.09

    Article, review, commentary, editorial, etc. (scientific journal), Joint Work

  • イオン液体中における金属電析と金属ナノ粒子の電解生成

    芹澤 信幸,片山 靖

    電気化学 88 ( 2 ) 121 - 128 2020.06

    Article, review, commentary, editorial, etc. (scientific journal), Joint Work

  • 電気化学QCMによるイオン液体中における金属析出・溶解反応の解析

    Nobuyuki Serizawa, Yasushi Katayama

    表面技術 69 ( 1 ) 10 - 15 2018.01

    Article, review, commentary, editorial, etc. (scientific journal), Joint Work

  • イオン液体を用いた電気化学デバイスの研究・開発

    関 志朗,芹澤信幸,小野新平

    化学工業 64 ( 2 ) 17 - 22 2013.02

    Article, review, commentary, editorial, etc. (trade magazine, newspaper, online media), Joint Work

Presentations 【 Display / hide

  • Formation and Aging of the Solid Electrolyte Interphase on Li Anode in Bis(fluorosulfonyl)amide-type Ionic Liquids

    Nobuyuki Serizawa, Ryo Yamashita, Yasushi Katayama

    IMLB2022, 

    2022.06
    -
    2022.07

    Poster presentation

  • In-Situ Analysis of the Solid-Electrolyte Interphase Formed in Lin(CF3SO2)2 and Lin(FSO2)2 Tetraglyme Solvate Ionic Liquids#D#DR

    Nobuyuki Serizawa, Shogo Ishimoto, Yasushi Katayama

    240th ECS Meeting (Digital Meeting) , 

    2021.10

    Oral presentation (general), The Electrochemical Society

  • Analysis of the Electropolishing of Stainless Steel in an Amide-type Ionic Liquid Using Electrochemical Quartz Crystal Microbalance Technique

    Nobuyuki Serizawa, Nitaro Yuza, Yasushi Katayama

    INTERFINISH2020 20th world congress, 

    2021.09

    Oral presentation (general)

  • Characterization of Solid Electrolyte Interphase Formed in the Electrolytes Developed for Rechargeable Lithium-Sulfur Battery

    Yasushi Katayama, Takaaki Matsumoto, Tomohiro Uchiya, Mika Nishikawa, Nobuyuki Serizawa

    2020 MRS Fall Meeting, 

    2020.11

    Oral presentation (invited, special)

  • Electrochemical Behavior of Silver Halogenocomplexes in an Amide-Type Ionic Liquid

    Yasushi Katayama, Nobuyuki Serizawa, Suguru Kuwahara,

    Pacific Rim Meeting on Electrochemical and Solid-State Science 2020, 

    2020.10

    Oral presentation (general)

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Research Projects of Competitive Funds, etc. 【 Display / hide

  • Electrochemical quartz crystal microbalance measurements of the electrode reactions in lithium secondary batteries

    2019.04
    -
    2022.03

    MEXT,JSPS, Grant-in-Aid for Scientific Research, Grant-in-Aid for Early-Career Scientists , Principal investigator

Awards 【 Display / hide

  • 功労賞

    2022.03, 電気化学会関東支部

    Type of Award: Award from Japanese society, conference, symposium, etc.

  • 溶融塩奨励賞

    2020.11, 電気化学会 溶融塩委員会, リチウムイオンを含むアミド系イオン液体 中におけるニトロキシラジカルの酸化還元反応

    Type of Award: Award from Japanese society, conference, symposium, etc.

  • TAKUMI賞

    2013.11, 電力中央研究所, 水晶振動子の新たな利用法の開拓:電極近傍の電解質イオン液体のダイナミクス解析手法の開発

    Type of Award: Other

  • 国際会議論文発表奨励賞

    2008.12, 慶應義塾大学大学院理工学研究科, EQCM measurement of Ag deposition in an amide-type room-temperature ionic liquid

    Type of Award: Keio commendation etc.

     View Description

    Pacific Rim Meeting on Electrochemical and Solid-State Science 2008での発表に関する受賞

  • ポスター賞

    2008.03, 社団法人 電気化学会, イミド系室温イオン液体中におけるAg(I)/Ag電極反応

    Type of Award: Award from Japanese society, conference, symposium, etc.

     View Description

    電気化学会第75回大会におけるポスター発表に関する受賞

 

Courses Taught 【 Display / hide

  • SEMINAR IN APPLIED CHEMISTRY

    2022

  • NANO SCALE SCIENCE JOINT SEMINAR

    2022

  • MATERIAL DESIGN SCIENCE JOINT SEMINAR

    2022

  • LABORATORIES IN SCIENCE AND TECHNOLOGY

    2022

  • LABORATORIES IN APPLIED CHEMISTRY C

    2022

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Courses Previously Taught 【 Display / hide

  • 応用化学実験C

    Keio University

    2017.04
    -
    2018.03

    Autumn Semester, Laboratory work/practical work/exercise

  • 理工学基礎実験

    Keio University

    2017.04
    -
    2018.03

    Spring Semester, Laboratory work/practical work/exercise

 

Social Activities 【 Display / hide

  • サイエンスメンター

    日本科学協会

    2018.09
    -
    2019.08

Memberships in Academic Societies 【 Display / hide

  • 表面技術協会, 

    2018.09
    -
    Present
  • イオン液体研究会, 

    2017.10
    -
    Present
  • 電池技術委員会, 

    2017.06
    -
    Present
  • 溶融塩委員会, 

    2017.06
    -
    Present
  • The lectrochemical Society, 

    2017.04
    -
    Present

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Committee Experiences 【 Display / hide

  • 2022.03
    -
    Present

    代議員, 電気化学会

  • 2021.01
    -
    Present

    事務局長, 電気化学会溶融塩委員会

  • 2020.12
    -
    2022.03

    事務局長, 第62回電池討論会実行委員会

  • 2020.04
    -
    Present

    普及委員, 電気化学会

  • 2020.04
    -
    Present

    学術委員, 表面技術協会

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