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High corrosion resistance of Ni-free stainless steel: Application for Li-ion secondary battery materials

Research Project

Project/Area Number 16K06770
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Structural/Functional materials
Research InstitutionNagaoka University of Technology

Principal Investigator

Shironita Sayoko  長岡技術科学大学, 産学融合トップランナー養成センター, 特任准教授 (90580994)

Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2018: ¥390,000 (Direct Cost: ¥300,000、Indirect Cost: ¥90,000)
Fiscal Year 2017: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2016: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Keywordsエネルギー材料 / リチウムイオン二次電池 / 集電体
Outline of Final Research Achievements

Nitrided Ni-free stainless steel was prepared and evaluated electrochemically in a non-aqueous solution for use as a current collector for a positive electrode for 5 V-class Li-ion secondary battery. The nitrided stainless steel was characterized by cyclic voltammetry. The cyclic voltammogram was obtained in 1 mol dm-3 LiPF6 / EC: DMC (1:1 vol%). The untreated stainless steel brought about slight anode dissolution in a non-aqueous solution. In contrast, it was found that the nitrided stainless steel hardly occur anodic dissolution at 1.5-5.4 V vs. Li/Li+, and has a wide electrochemical window for use in a positive electrode of a 5 V-class Li-ion secondary battery.

Academic Significance and Societal Importance of the Research Achievements

リチウムイオン二次電池(LIB)は,エネルギー密度が高く,モバイル機器用の電源として,広く普及している。また近年,次世代自動車分野への適用が加速しており,大型化・高電圧化に伴い,安全性の確保が重要になっている。現行のLIBには可燃性電解液が用いられており,容器や集電体には融点が低く発熱量の大きいAlが用いられている。さらなる高電圧化に対しては,電解液の難燃化およびAlに代わる集電体材料の開発が必要である。今回作製した窒素熱処理ステンレス鋼は従来のAl箔よりも高い電位まで安定であることが見出された。今後の5V級リチウムイオン二次電池の研究において貢献できる成果が得られたといえる。

Report

(4 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Research Products

    (7 results)

All 2019 2018 2017 2016

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (5 results) (of which Int'l Joint Research: 2 results)

  • [Journal Article] Investigation of nitriding treated Ni-free stainless steel as current collector for 5 V-class Li-ion secondary cell2019

    • Author(s)
      Shironita Sayoko、Ihsan Neil、Konakawa Kotaro、Souma Kenichi、Umeda Minoru
    • Journal Title

      Electrochimica Acta

      Volume: 295 Pages: 1052-1056

    • DOI

      10.1016/j.electacta.2018.11.113

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Effect of chromium content on the corrosion resistance of ferritic stainless steels in sulfuric acid solution2018

    • Author(s)
      Yu Yang、Shironita Sayoko、Souma Kenichi、Umeda Minoru
    • Journal Title

      Heliyon

      Volume: 4 Issue: 11 Pages: e00958-e00958

    • DOI

      10.1016/j.heliyon.2018.e00958

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Presentation] Cr-N表面処理したNiフリーステンレス鋼の電気化学測定による耐食性評価2019

    • Author(s)
      白仁田沙代子, 山田さくらこ, 田中正治, 相馬憲一, 梅田実
    • Organizer
      電気化学第86回大会
    • Related Report
      2018 Annual Research Report
  • [Presentation] Niフリーステンレス鋼の低圧窒素熱処理による高耐食化2019

    • Author(s)
      山田さくらこ, 李鳴, 白仁田沙代子, 田中正治, 相馬憲一, 梅田実
    • Organizer
      電気化学第86回大会
    • Related Report
      2018 Annual Research Report
  • [Presentation] Investigation of nitriding treated Ni-free stainless steel as current collector for 5 V-class Li-ion secondary cell2018

    • Author(s)
      Sayoko Shironita, Neil Ihsan, Kotaro Konakawa, Kenichi Souma, and Minoru Umeda
    • Organizer
      22nd Topical Meeting of ISE
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 窒素熱処理したNi-フリーステンレス鋼を用いたLIB用集電体の電気化学的評価2017

    • Author(s)
      Ihsan Neil, 粉川航太郎, 白仁田沙代子, 相馬憲一, 梅田実
    • Organizer
      第58回電池討論会
    • Related Report
      2017 Research-status Report
  • [Presentation] Corrosion investigation of Ni-free nitrided stainless steel material as bipolar plate for polymer electrolyte fuel cell2016

    • Author(s)
      Sayoko Shironita, Yang Yu, Kunio Nakatsuyama, Kenichi Souma, and Minoru Umeda
    • Organizer
      PRiME2016
    • Place of Presentation
      Honolulu, Hawaii
    • Year and Date
      2016-10-02
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research

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Published: 2016-04-21   Modified: 2020-03-30  

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