Zheng Qingxin 鄭慶新

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ZHENG QINGXIN 鄭慶新

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Researcher Number	30835509
Other IDs	https://orcid.org/0000-0002-6002-7438
Affiliation (Current)	2025: 東北大学, 工学研究科, 特任准教授
Affiliation (based on the past Project Information) *help	2021 – 2023: 東北大学, 工学研究科, 特任助教
Review Section/Research Field	Principal Investigator Basic Section 64030:Environmental materials and recycle technology-related
Keywords	Principal Investigator Organic acid / Unreacted core model / Continuous leaching / Mn isolation / Metal isolation / Kinetic study / Continuous / Mixed organic acids / Mixed organic acid / Citric acid … More / Glycine / Acid corrosion / Metal recovery / Hydrothermal leaching / Lithium-ion batteries / Recycling Less

Research Projects
(1 results)
Research Products
(12 results)

Low/no-corrosion leaching of spent lithium-ion battery cathode materials in hydrothermal water using amino acid or mixed organic acids as the leachantPrincipal Investigator
- Principal Investigator
  
  ZHENG QINGXIN
- Project Period (FY)
  2021 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 64030:Environmental materials and recycle technology-related
- Research Institution
  Tohoku University

All 2023 2022 2021

All Journal Article Presentation Patent

[Journal Article] Excellent Performance of Glycine in Isolating Mn during Hydrothermal Leaching of LiMn2O4 Cathode Materials2023
- Author(s)
  Zheng Qingxin、Hirama Seiya、Nakajima Akitoshi、Ogawa Tetsufumi、Nakayasu Yuta、Li Zixian、Watanabe Masaru
- Journal Title
  
  ACS Sustainable Chemistry & Engineering
  
  Volume: 11 Issue: 35 Pages: 13033-13042
- DOI
  10.1021/acssuschemeng.3c02854
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K12302
[Journal Article] Organic Acid‐Based Hydrothermal Leaching of LiFePO4 Cathode Materials2023
- Author(s)
  Li Zixian、Zheng Qingxin、Nakajima Akitoshi、Zhang Zhengyang、Watanabe Masaru
- Journal Title
  
  Advanced Sustainable Systems
  
  Volume: 8 Issue: 4 Pages: 2300421-2300421
- DOI
  10.1002/adsu.202300421
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21K12302, KAKENHI-PROJECT-23K21781
[Journal Article] Metal Recovery of LiCoO2/LiNiO2 Cathode Materials by Hydrothermal Leaching and Precipitation Separation2022
- Author(s)
  Nakajima Akitoshi、Zheng Qingxin、Ogawa Tetsufumi、Hirama Seiya、Watanabe Masaru
- Journal Title
  
  ACS Sustainable Chemistry & Engineering
  
  Volume: 10 Issue: 38 Pages: 12852-12863
- DOI
  10.1021/acssuschemeng.2c04259
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K12302
[Journal Article] Single-Step Recovery of Divalent Mn Component from LiMn2O4 Cathode Material at Hydrothermal Conditions as an Mn-Citrate Complex2021
- Author(s)
  Zheng Qingxin、Shibazaki Kensuke、Ogawa Tetsufumi、Watanabe Masaru
- Journal Title
  
  ACS Sustainable Chemistry & Engineering
  
  Volume: 9 Issue: 33 Pages: 10970-10976
- DOI
  10.1021/acssuschemeng.1c03459
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K12302
[Patent] クエン酸マンガンの製造方法2021
- Inventor(s)
  渡邉賢 , 鄭慶新 , 宮崎秀喜
- Industrial Property Rights Holder
  国立大学法人東北大学 , 恵和興業株式会社
- Industrial Property Rights Type
  特許
- Patent Publication Number
  2022-169401
- Filing Date
  2021
- Data Source
  KAKENHI-PROJECT-21K12302
[Presentation] Metal recovery of LiMn2O4-based spent lithium-ion battery cathode material using hydrothermal leaching with organic acids and precipitation separation2023
- Author(s)
  Masaru Watanabe、Qingxin Zheng、Akitoshi Nakajima
- Organizer
  19th European Meeting on Supercritical fluids
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K12302
[Presentation] Hydrothermal leaching of LiFePO4 using organic acids2023
- Author(s)
  李子賢、鄭慶新、渡邉賢
- Organizer
  化学工学会第54回秋季大会
- Data Source
  KAKENHI-PROJECT-21K12302
[Presentation] Application of hydrothermal leaching process with organic acids on LiFePO4 cathode materials2023
- Author(s)
  Zixian Li、Qingxin Zheng、Masaru Watanabe
- Organizer
  化学系学協会東北大会
- Data Source
  KAKENHI-PROJECT-21K12302
[Presentation] Development of Hydrothermal Leaching Technology for Recycling of Spent Lithium-ion Batteries2023
- Author(s)
  Qingxin Zheng、Masaru Watanabe
- Organizer
  SCEJ 89th Annual Meeting
- Invited
- Data Source
  KAKENHI-PROJECT-21K12302
[Presentation] Application of Hydrothermal Leaching Technology to Spent LIB Cathode Materials withCitric Acid Using Batch-type Device and Flow System2022
- Author(s)
  ,Masaru Watanabe, Qingxin Zheng, Kensuke Shibazaki, Tetsufumi Ogawa, Atsushi Kishita, Yuya Hiraga
- Organizer
  化学工学会第53回秋季大会
- Invited
- Data Source
  KAKENHI-PROJECT-21K12302
[Presentation] METAL RECOVERY OF THE LEACHATE OBTAINED FROM COMMERCIAL CATHODE MATERIALS BY HYDROTHERMAL LEACHING2022
- Author(s)
  NAKAJIMA Akitoshi, ZHENG Qingxin, OGAWA Tetsufumi, NAKAYASU Yuta, WATANEBE Masaru
- Organizer
  9th International Conference on Engineering for Waste and Biomass Valorisation (WasteEng2022)
- Data Source
  KAKENHI-PROJECT-21K12302
[Presentation] LOW/NO-CORROSION LEACHING OF SPENT LITHIUM-ION BATTERY CATHODE MATERIALS BY HYDROTHERMAL METHOD USING AMINO ACID ORMIXED ORGANIC ACIDS AS THE LEACHANT2022
- Author(s)
  ZHENG Qingxin, OGAWA Tetsufumi, NAKAJIMA Akitoshi, WATANABE Masaru
- Organizer
  9th International Conference on Engineering for Waste and Biomass Valorisation (WasteEng2022)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K12302

Zheng Qingxin 鄭 慶新

ZHENG QINGXIN 鄭 慶新

Research Projects

Research Products

Low/no-corrosion leaching of spent lithium-ion battery cathode materials in hydrothermal water using amino acid or mixed organic acids as the leachantPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Excellent Performance of Glycine in Isolating Mn during Hydrothermal Leaching of LiMn2O4 Cathode Materials2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Organic Acid‐Based Hydrothermal Leaching of LiFePO4 Cathode Materials2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Metal Recovery of LiCoO2/LiNiO2 Cathode Materials by Hydrothermal Leaching and Precipitation Separation2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Single-Step Recovery of Divalent Mn Component from LiMn2O4 Cathode Material at Hydrothermal Conditions as an Mn-Citrate Complex2021

Author(s)

Journal Title

DOI

Data Source

[Patent] クエン酸マンガンの製造方法2021

Inventor(s)

Industrial Property Rights Holder

Industrial Property Rights Type

Patent Publication Number

Filing Date

Data Source

[Presentation] Metal recovery of LiMn2O4-based spent lithium-ion battery cathode material using hydrothermal leaching with organic acids and precipitation separation2023

Author(s)

Organizer

Data Source

[Presentation] Hydrothermal leaching of LiFePO4 using organic acids2023

Author(s)

Organizer

Data Source

[Presentation] Application of hydrothermal leaching process with organic acids on LiFePO4 cathode materials2023

Author(s)

Organizer

Data Source

[Presentation] Development of Hydrothermal Leaching Technology for Recycling of Spent Lithium-ion Batteries2023

Author(s)

Organizer

Data Source

[Presentation] Application of Hydrothermal Leaching Technology to Spent LIB Cathode Materials withCitric Acid Using Batch-type Device and Flow System2022

Author(s)

Organizer

Data Source

[Presentation] METAL RECOVERY OF THE LEACHATE OBTAINED FROM COMMERCIAL CATHODE MATERIALS BY HYDROTHERMAL LEACHING2022

Author(s)

Organizer

Data Source

[Presentation] LOW/NO-CORROSION LEACHING OF SPENT LITHIUM-ION BATTERY CATHODE MATERIALS BY HYDROTHERMAL METHOD USING AMINO ACID ORMIXED ORGANIC ACIDS AS THE LEACHANT2022

Author(s)

Organizer

Data Source

Zheng Qingxin 鄭慶新

ZHENG QINGXIN 鄭慶新