Revisiting Delithiated Li1.2Mn0.54Ni0.13Co0.13O2: Structural Analysis and Cathode Properties in Magnesium Rechargeable Battery Applications
Chemically-delithiated Li1.2Mn0.54Ni0.13Co0.13O2 is regarded as a potential candidate of cathode active materials for magnesium rechargeable batteries owing to its large deliverable capacity and high operation voltage compared to conventional layered transition metal oxides. Our previous study sugge...
| Main Authors: | , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
The Electrochemical Society of Japan
2021-07-01
|
| Series: | Electrochemistry |
| Subjects: | |
| Online Access: | https://www.jstage.jst.go.jp/article/electrochemistry/89/4/89_21-00038/_pdf/-char/en |
| _version_ | 1828078578530516992 |
|---|---|
| author | Naoya ISHIDA Ryuta NISHIGAMI Masaki MATSUI Toshihiko MANDAI Kiyoshi KANAMURA Naoto KITAMURA Yasushi IDEMOTO |
| author_facet | Naoya ISHIDA Ryuta NISHIGAMI Masaki MATSUI Toshihiko MANDAI Kiyoshi KANAMURA Naoto KITAMURA Yasushi IDEMOTO |
| author_sort | Naoya ISHIDA |
| collection | DOAJ |
| description | Chemically-delithiated Li1.2Mn0.54Ni0.13Co0.13O2 is regarded as a potential candidate of cathode active materials for magnesium rechargeable batteries owing to its large deliverable capacity and high operation voltage compared to conventional layered transition metal oxides. Our previous study suggested its chemical composition as Li0.13Mn0.54Ni0.13Co0.13O2−δ by X-ray diffraction combined with XAFS analysis. We herein re-analyzed the substantial composition and crystal structure by employing titration technique and combination of neutron and synchrotron X-ray diffractions. Two topotactic phases both belonging to the space group of R3m were strongly suggested by Rietveld analysis, and the chemical formula was subsequently re-defined as Li0.17Mn0.72Ni0.18Co0.18O2 where oxygen defects were filled by a rearrangement from C2/m structure. Although the battery performance of that active material was poor in the previous study, the discharge capacity greater than 400 mAh g−1, ca. 95 % of the theoretical capacity, was achieved by using certain anodically stable electrolytes and specific cell configuration. This result strongly implies that the R3m structure is particularly suitable as a host material for Mg2+ intercalation. |
| first_indexed | 2024-04-11T02:49:04Z |
| format | Article |
| id | doaj.art-ca23bb18289c4135a7aab90d41f4cc99 |
| institution | Directory Open Access Journal |
| issn | 2186-2451 |
| language | English |
| last_indexed | 2024-04-11T02:49:04Z |
| publishDate | 2021-07-01 |
| publisher | The Electrochemical Society of Japan |
| record_format | Article |
| series | Electrochemistry |
| spelling | doaj.art-ca23bb18289c4135a7aab90d41f4cc992023-01-02T17:19:29ZengThe Electrochemical Society of JapanElectrochemistry2186-24512021-07-0189432933310.5796/electrochemistry.21-00038electrochemistryRevisiting Delithiated Li1.2Mn0.54Ni0.13Co0.13O2: Structural Analysis and Cathode Properties in Magnesium Rechargeable Battery ApplicationsNaoya ISHIDA0Ryuta NISHIGAMI1Masaki MATSUI2Toshihiko MANDAI3Kiyoshi KANAMURA4Naoto KITAMURA5Yasushi IDEMOTO6Faculty of Science & Technology, Tokyo University of ScienceFaculty of Science & Technology, Tokyo University of ScienceDepartment of Chemical Science and Engineering, Kobe UniversityCenter for Green Research on Energy and Environmental Materials, National Institute for Materials ScienceGraduate School of Urban Environmental Sciences, Tokyo Metropolitan UniversityFaculty of Science & Technology, Tokyo University of ScienceFaculty of Science & Technology, Tokyo University of ScienceChemically-delithiated Li1.2Mn0.54Ni0.13Co0.13O2 is regarded as a potential candidate of cathode active materials for magnesium rechargeable batteries owing to its large deliverable capacity and high operation voltage compared to conventional layered transition metal oxides. Our previous study suggested its chemical composition as Li0.13Mn0.54Ni0.13Co0.13O2−δ by X-ray diffraction combined with XAFS analysis. We herein re-analyzed the substantial composition and crystal structure by employing titration technique and combination of neutron and synchrotron X-ray diffractions. Two topotactic phases both belonging to the space group of R3m were strongly suggested by Rietveld analysis, and the chemical formula was subsequently re-defined as Li0.17Mn0.72Ni0.18Co0.18O2 where oxygen defects were filled by a rearrangement from C2/m structure. Although the battery performance of that active material was poor in the previous study, the discharge capacity greater than 400 mAh g−1, ca. 95 % of the theoretical capacity, was achieved by using certain anodically stable electrolytes and specific cell configuration. This result strongly implies that the R3m structure is particularly suitable as a host material for Mg2+ intercalation.https://www.jstage.jst.go.jp/article/electrochemistry/89/4/89_21-00038/_pdf/-char/enmg rechargeable batterycathode materialcrystal structureneutron diffraction |
| spellingShingle | Naoya ISHIDA Ryuta NISHIGAMI Masaki MATSUI Toshihiko MANDAI Kiyoshi KANAMURA Naoto KITAMURA Yasushi IDEMOTO Revisiting Delithiated Li1.2Mn0.54Ni0.13Co0.13O2: Structural Analysis and Cathode Properties in Magnesium Rechargeable Battery Applications Electrochemistry mg rechargeable battery cathode material crystal structure neutron diffraction |
| title | Revisiting Delithiated Li1.2Mn0.54Ni0.13Co0.13O2: Structural Analysis and Cathode Properties in Magnesium Rechargeable Battery Applications |
| title_full | Revisiting Delithiated Li1.2Mn0.54Ni0.13Co0.13O2: Structural Analysis and Cathode Properties in Magnesium Rechargeable Battery Applications |
| title_fullStr | Revisiting Delithiated Li1.2Mn0.54Ni0.13Co0.13O2: Structural Analysis and Cathode Properties in Magnesium Rechargeable Battery Applications |
| title_full_unstemmed | Revisiting Delithiated Li1.2Mn0.54Ni0.13Co0.13O2: Structural Analysis and Cathode Properties in Magnesium Rechargeable Battery Applications |
| title_short | Revisiting Delithiated Li1.2Mn0.54Ni0.13Co0.13O2: Structural Analysis and Cathode Properties in Magnesium Rechargeable Battery Applications |
| title_sort | revisiting delithiated li1 2mn0 54ni0 13co0 13o2 structural analysis and cathode properties in magnesium rechargeable battery applications |
| topic | mg rechargeable battery cathode material crystal structure neutron diffraction |
| url | https://www.jstage.jst.go.jp/article/electrochemistry/89/4/89_21-00038/_pdf/-char/en |
| work_keys_str_mv | AT naoyaishida revisitingdelithiatedli12mn054ni013co013o2structuralanalysisandcathodepropertiesinmagnesiumrechargeablebatteryapplications AT ryutanishigami revisitingdelithiatedli12mn054ni013co013o2structuralanalysisandcathodepropertiesinmagnesiumrechargeablebatteryapplications AT masakimatsui revisitingdelithiatedli12mn054ni013co013o2structuralanalysisandcathodepropertiesinmagnesiumrechargeablebatteryapplications AT toshihikomandai revisitingdelithiatedli12mn054ni013co013o2structuralanalysisandcathodepropertiesinmagnesiumrechargeablebatteryapplications AT kiyoshikanamura revisitingdelithiatedli12mn054ni013co013o2structuralanalysisandcathodepropertiesinmagnesiumrechargeablebatteryapplications AT naotokitamura revisitingdelithiatedli12mn054ni013co013o2structuralanalysisandcathodepropertiesinmagnesiumrechargeablebatteryapplications AT yasushiidemoto revisitingdelithiatedli12mn054ni013co013o2structuralanalysisandcathodepropertiesinmagnesiumrechargeablebatteryapplications |