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Affiliation |
Faculty of Engineering, Division of Materials Science and Chemical Engineering |
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Job Title |
Associate Professor |
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Date of Birth |
1990 |
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Research Fields, Keywords |
電気化学, 蓄電池, 電解質溶液 |
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Mail Address |
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Related SDGs |
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TATARA Ryoichi
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ORCID
The Best Research Achievement in Research Career 【 display / non-display 】
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【Published Thesis】 Enhanced Cycling Performance of Ni-Rich Positive Electrodes (NMC) in Li-Ion Batteries by Reducing Electrolyte Free-Solvent Activity(ACS APPLIED MATERIALS & INTERFACES) 2019.09
【Published Thesis】 The Effect of Electrode-Electrolyte Interface on the Electrochemical Impedance Spectra for Positive Electrode in Li-Ion Battery(JOURNAL OF THE ELECTROCHEMICAL SOCIETY) 2018.11
【Published Thesis】 Oxygen Reduction Reaction in Highly Concentrated Electrolyte Solutions of Lithium Bis(trifluoromethanesulfonyl)amide/Dimethyl Sulfoxide 2017.05
The Best Research Achievement in the last 5 years 【 display / non-display 】
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【Published Thesis】 Stability of RbO2 as a Discharge Product of Metal-O2 Batteries(JOURNAL OF THE AMERICAN CHEMICAL SOCIETY) 2025.02
【Published Thesis】 Electrochemical intercalation of rubidium into graphite, hard carbon, and soft carbon(CHEMICAL SCIENCE) 2023.10
【Published Thesis】 All-Solid-State Ion-Selective Electrode Inspired from All-Solid-State Li-Ion Batteries(ANALYTICAL CHEMISTRY) 2025.02
【Published Thesis】 All-Solid-State Potassium Polymer Batteries Enabled by the Effective Pretreatment of Potassium Metal(ACS ENERGY LETTERS) 2022.07
【Awards】 MEXT Young Scientists' Prize 2025.04
Education 【 display / non-display 】
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2014.4-2017.3
Yokohama National University Department of Materials Science and Engineering Doctor Course Completed
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2012.4-2014.3
Yokohama National University Department of Materials Science and Engineering Master Course Completed
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2008.4-2012.3
Yokohama National University Graduated
Campus Career 【 display / non-display 】
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2024.4
Duty Yokohama National UniversityFaculty of Engineering Division of Materials Science and Chemical Engineering Associate Professor
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2019.5-2020.3
Duty Yokohama National UniversityFaculty of Engineering Division of Materials Science and Chemical Engineering Specially Appointed Assistant Professor
External Career 【 display / non-display 】
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2023.4-2024.3
Tokyo University of Science Department of Applied Chemistry Lecturer
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2020.4-2023.3
Tokyo University of Science Department of Applied Chemistry Assistant Professor
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2017.5-2019.4
Massachusetts Institute of Technology Reserach Laboratory of Electronics Researcher
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2015.9-2016.2
Massachusetts Institute of Technology Reserach Laboratory of Electronics Visiting Student
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2014.4-2017.3
Japan Society for the Promotion of Science Special researcher of the Japan Society for the Promotion of Science
Academic Society Affiliations 【 display / non-display 】
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2012
電気化学会
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2018
アメリカ電気化学会(The Electrochemical Society)
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2020
日本化学会
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2021
米国化学会(ACS)
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2012
高分子学会
Research Areas 【 display / non-display 】
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Nanotechnology/Materials / Energy chemistry
Qualification acquired 【 display / non-display 】
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Hazardous Material Handler (first kind)
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Person in Charge of High-pressure Gas Production Security (chemical machinery and frozen machine)
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First Kind of High School Teacher License
Books 【 display / non-display 】
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CSJ Current Review 44 モビリティ用電池の化学 リチウムイオン二次電池から燃料電池まで
吉野 彰、射場 英紀、秦野 正治、内田 裕之、今西 誠之、安部 武志、金村 聖志、内田 裕之、多々良 涼一、駒場 慎一、荒井 創、池澤 篤憲、林 晃敏、作田 敦、辰巳砂昌弘、獨古 薫、藪内 直明、 藤本 宏之、道見 康弘、薄井 洋行、坂口 裕樹、森田 昌行、鈴木 耕太、平山 雅章、菅野 了次、井上 博史、兒玉 健作、田中 慎太郎、佐野 誠治、内田 裕之、石原 顕光、難波江 裕太、大間 敦史、 平居 丈嗣、陸川 政弘、宮武 健治、三宅 純平、 岩澤 康裕、鷹尾 忍（ Role： Joint author , PartII研究最前線 ①二次電池 1章「NaとK二次電池」）
化学同人 （ ISBN:9784759814040 ）
Responsible for pages：38-44 Language：Japanese Book type：Scholarly book
Thesis for a degree 【 display / non-display 】
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Fundamental Properties and Unique Electrode Reactions in Concentrated Electrolytes for Rechargeable Lithium Batteries
Ryoichi Tatara
2017.3
Doctoral Thesis Single Work
Papers 【 display / non-display 】
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Tatara, R; Tomoi, Y; Yamazaki, S; Komaba, S
JOURNAL OF THE ELECTROCHEMICAL SOCIETY 172 ( 3 ) 2025.3 [Reviewed]
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal) Joint Work
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All-Solid-State Ion-Selective Electrode Inspired from All-Solid-State Li-Ion Batteries
Tatara, R; Shibasaki, Y; Igarashi, D; Osada, H; Aoki, K; Miyamoto, Y; Takayama, T; Matsui, T; Komab … Show more authors
Tatara, R; Shibasaki, Y; Igarashi, D; Osada, H; Aoki, K; Miyamoto, Y; Takayama, T; Matsui, T; Komaba, S Hide authors
ANALYTICAL CHEMISTRY 97 ( 9 ) 4819 - 4823 2025.2 [Reviewed]
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal) Joint Work
Other Link： https://pubs.acs.org/doi/10.1021/acs.analchem.4c06470
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ITO Nanako, HOSAKA Tomooki, TATARA Ryoichi, GOSSAGE Zachary T., KOMABA Shinichi
Electrochemistry 93 ( 2 ) 027018 - 027018 2025.2 [Reviewed]
DOI Web of Science CiNii Research
Language：English Publishing type：Research paper (scientific journal) Publisher：公益社団法人 電気化学会 Joint Work
<p>Deep eutectic electrolytes (DEEs) are attracting increasing attention as liquid-state electrolytes for secondary batteries because they are potentially low cost, display low flammability, and are environmentally friendly. However, to date limited DEEs have been developed and explored for lithium-ion battery (LIB) applications, with most reports showing unsatisfactory capacity retention, a narrow potential window for battery operation, and an unstable solid electrolyte interphase (SEI) layer leading. Herein, we develop DEEs based on lithium bis(fluorosulfonyl)amide, LiFSA, and a series of urea derivatives as Li ion-conducting DEEs. Despite similar structures for the urea derivatives, i.e. methylated urea, we found that 1,3-dimethylurea (1,3-DMU) could form Li ion-concentrated DEEs across a wide range of LiFSA : 1,3-DMU ratio, while the LiFSA : urea DEE was liquid only in a limited range of molar ratios, i.e. LiFSA : urea close to 1 : 4 (mol/mol). By examining the electrolyte structure via Raman spectroscopy, we observed increased aggregation for DEE with higher LiFSA concentrations. We further confirmed non-flammability and electrochemical stability among the DEEs with potential windows ranging from ∼3.35 V for LiFSA : urea (1 : 4) to an impressive 6.42 V for LiFSA : 1,3-DMU (1 : 2) at a Pt foil electrode. During charge-discharge of Li<sub>4</sub>Ti<sub>5</sub>O<sub>12</sub> (LTO) electrodes, we observed good capacities and retention for the LiFSA : urea (1 : 4) and LiFSA : 1,3-DMU (1 : 2) DEEs. High Coulombic efficiencies (CEs) were achieved in the LiFSA : 1,3-DMU (1 : 2) DEE with its high LiFSA content that led to more substantial FSA-derived components in the SEI structures after cycling. We further tested positive electrode materials, including LiFePO<sub>4</sub> that showed excellent capacity retention and CEs near 100 % across 50 cycles. In all, we find that the dimethylurea-based DEEs show an opportunity for non-flammable and high-voltage Li batteries.</p>
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Electrode performance of P′2-Na2/3[Mn1-xScx]O2 in sodium batteries
Moriya, K; Kumakura, S; Kim, EJ; Tatara, R; Komaba, S
ELECTROCHEMISTRY COMMUNICATIONS 174 2025.2 [Reviewed]
Language：English Publishing type：Research paper (scientific journal) Joint Work
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Stability of RbO2 as a Discharge Product of Metal-O2 Batteries
Fujimoto, R; Tatara, R; Hosaka, T; Igarashi, D; Komaba, S
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 147 ( 8 ) 6747 - 6752 2025.2 [Reviewed]
Authorship：Corresponding author Language：English Publishing type：Research paper (scientific journal) Joint Work
Other Link： https://pubs.acs.org/doi/10.1021/jacs.4c16383
Review Papers 【 display / non-display 】
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多々良涼一, 渡邉 正義
工業材料 68 ( 4 ) 30 - 35 2020.3
Authorship：Lead author Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (trade magazine, newspaper, online media) Single Work
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広がるイオン液体の世界－溶媒和イオン液体、そして濃厚電解液へ
多々良涼一, 渡邉正義
化学 70 ( 7 ) 66 - 67 2015.7
Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (scientific journal) Publisher：化学同人 Joint Work
Other Link： https://www.kagakudojin.co.jp/book/b201119.html
Industrial Property Rights 【 display / non-display 】
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EUTECTIC ELECTROLYTE FOR SECONDARY BATTERY AND SECONDARY BATTERY
Application no：PCT/JP2024/005857 Date applied：2023.3.15
Announcement no：WO/2024/190305 Date announced：2024.9.19
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AIR BATTERY AND SULFUR BATTERY
Application no：PCT/JP2024/009623 Date applied：2023.3.13
Announcement no：WO/2024/190792 Date announced：2024.9.19
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非水系アルカリ金属蓄電素子用正極前駆体
梅津和照, 岡田宣宏, 駒場慎一, 多々良涼一, 保坂知宙
Applicant：旭化成株式会社、学校法人東京理科大学
Application no：特願2022-210084 Date applied：2022.12.27
Publication no：特開2024-093592 Date published：2024.7.9
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全固体型カリウムイオン選択性電極
高山 利治、松井 貴弘、武居 祐子、青木 一真、駒場 慎一、多々良 涼一、石原 研太
Applicant：KOA株式会社、学校法人東京理科大学
Application no：特願2022-134341 Date applied：2022.8.25
Announcement no：特開2024-031047 Date announced：2024.3.7
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全固体型カリウムイオン選択性電極およびその製造方法
高山 利治、松井 貴弘、武居 祐子、青木 一真、駒場 慎一、多々良 涼一、石原 研太
Applicant：KOA株式会社、学校法人東京理科大学
Application no：特願2022-134340 Date applied：2022.8.25
Announcement no：特開2024-031046 Date announced：2024.3.7
Awards 【 display / non-display 】
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2025.4 Ministry of Education, Culture, Sports, Science and Technology
Individual or group name of awards：Ryoichi Tatara
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The Chemical Society of Japan Award for Young Chemists for 2024
2025.3 The Chemical Society of Japan Tailoring Electrolytes for Controlled Interfacial Reactions in Rechargeable Batteries
Individual or group name of awards：Ryoichi Tatara
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2024.3 電気化学会 次世代蓄電池を指向した濃厚電解液及び電極界面設計に関する研究
Individual or group name of awards：多々良 涼一
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Third Place Poster Award
2023.3 International Battery Materials Association All-Solid-State Sodium and Potassium Polymer Batteries
Individual or group name of awards：Ryoichi Tatara
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2020.11 エヌエフ基金 リチウムイオン電池用多孔質複合電極の電気化学インピーダンス解析
Individual or group name of awards：多々良 涼一
Grant-in-Aid for Scientific Research 【 display / non-display 】
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濃厚ソフト電解質におけるイオン渋滞現象の理解
Grant number：25H01967 2025.4 - 2027.3
Grant-in-Aid for Scientific Research on Innovative Areas
Investigator(s)：多々良 涼一
Authorship：Principal investigator Grant type：Competitive
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Grant number：23K13829 2023.4 - 2025.3
Grant-in-Aid for Early-Career Scientists
Investigator(s)：多々良 涼一
Authorship：Principal investigator Grant type：Competitive
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オペランド質量分析法を用いたカリウムイオン電池劣化機構の解明
Grant number：21K14724 2021.4 - 2023.3
Grant-in-Aid for Early-Career Scientists
Investigator(s)：多々良 涼一
Authorship：Principal investigator Grant type：Competitive
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溶媒和イオン液体のリチウム空気二次電池への適用及び電極反応機構の解明
Grant number：14J00165 2014.4 - 2017.3
科学研究費補助金 Grant-in-Aid for JSPS Fellows
Investigator(s)：多々良 涼一
Grant type：Competitive
Other external funds procured 【 display / non-display 】
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Grant number：JPMJPR2374 2023.10 - 2027.3
Japan Science and Technology Agency 戦略的創造研究推進事業「さきがけ」
Investigator(s)：多々良 涼一
Authorship：Principal investigator
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電解液分解物の精密分析を基盤とした蓄電池劣化因子の特定
2024.10 - 2025.3
Local Government 次世代人材の研究能力開発支援等事業 県内大学等の若手研究者への研究支援プロジェクト
Investigator(s)：多々良 涼一
Authorship：Principal investigator
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同位体標識質量分析法を用いた次世代蓄電池の劣化機構解明
Grant number：2407 2024.9 - 2026.8
Private Foundations 日揮・実吉奨学会 2024年度研究助成
Investigator(s)：多々良 涼一
Authorship：Principal investigator
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2023.4 - 2026.3
Private Foundations 高橋産業経済研究財団 研究助成
Investigator(s)：多々良 涼一
Authorship：Principal investigator
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2023.4 - 2025.3
Private Foundations 東電記念財団 研究助成・基礎研究
Investigator(s)：多々良 涼一
Authorship：Principal investigator
Presentations 【 display / non-display 】
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Functional Binder-Driven Interfacial Chemistry for Advanced Li-Ion Batteries
Lu Yin, Changhee Lee, Shogo Yamazaki, Ryoichi Tatara, Shinichi Komaba [Invited]
247th ECS Meeting
Event date： 2025.5
Language：English Presentation type：Oral presentation (invited, special)
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電解液設計に基づく蓄電池の界面反応制御
多々良 涼一 [Invited]
日本化学会第105春季年会 2025.3
Event date： 2025.3
Language：Japanese Presentation type：Oral presentation (invited, special)
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P2-Na2/3Ni1/3Mn2/3O2正極/電解液界面における劣化メカニズムの解析
磯貝 勇輔・丹上 雄児・雨宮 千夏・矢島 和男・獨古 薫・多々良 涼一
電気化学会第92回大会 2025.3
Event date： 2025.3
Language：Japanese Presentation type：Oral presentation (general)
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Na欠損型層状酸化物正極に用いるNa2CO3犠牲塩と水系バインダーの複合効果
李 昌熹、清水 優好、多々良 涼一、保坂 知宙、駒場 慎一
電気化学会第92回大会 2025.3
Event date： 2025.3
Language：Japanese Presentation type：Oral presentation (general)
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難燃性スルホン系濃厚電解液を用いたリチウムイオン電池の作動温度範囲の拡張
和田 楽士・宇賀田 洋介・宮﨑 柊兵・多々良 涼一・獨古 薫
電気化学会第92回大会 2025.3
Event date： 2025.3
Language：Japanese Presentation type：Oral presentation (general)
Charge of on-campus class subject 【 display / non-display 】
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2025 Electrochemsitry B
College of Engineering Science Department of Chemistry, Chemical Engineering and Life Science Specialization in Chemistry Program
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2025 化学演習F
Graduate school of Engineering Science Department of Chemistry, Chemical Engineering and Life Science Specialization in Chemistry
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2025 化学演習S
Graduate school of Engineering Science Department of Chemistry, Chemical Engineering and Life Science Specialization in Chemistry
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2025 化学・生命基礎実験２
College of Engineering Science Department of Chemistry, Chemical Engineering and Life Science Specialization in Chemistry Program
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2025 化学EP演習１
College of Engineering Science Department of Chemistry, Chemical Engineering and Life Science Specialization in Chemistry Program
Committee Memberships 【 display / non-display 】
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Materials Research Meeting 2025 Symposium Organizer
2025.12
Committee type：Academic society
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電気化学会第92回大会実行委員会
2025.3
Committee type：Academic society
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2022電気化学秋季大会実行委員会
2022.9
Committee type：Academic society
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第62回電池討論会実行委員会
2021.11 - 2021.12
Committee type：Academic society
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電気化学会関東支部幹事会
2021.4 幹事
Committee type：Academic society