DOI: 10.1246/cl.2003.60. Structural Change of Li1−<i>x</i>Ni0.5Mn0.5O2 Cathode Materials for Lithium-ion Batteries by Synchrotron Radiation

Structural Change of Li1−xNi0.5Mn0.5O2 Cathode Materials for Lithium-ion Batteries by Synchrotron Radiation

10.1246/cl.2003.60

Crossref journal-article

Oxford University Press (OUP)

Chemistry Letters (286)

Abstract

Abstract Synchrotron X-ray diffraction and XAFS measurement have been employed to investigate structural change and the charging process of a layered LiNi0.5Mn0.5O2 cathode material. The structure of charged Li1−xNi0.5Mn0.5O2 (x=0.5), which corresponds to the composition for showing rechargeable capacity, was determined. The results showed that divalent nickel metal was oxidized to trivalent after charging, in association with the phase transition from hexagonal (R3-m) to monoclinic (C2/m) resulting from the ordering of cations in the layered structure.

Bibliography

Arachi, Y., Kobayashi, H., Emura, S., Nakata, Y., Tanaka, M., & Asai, T. (2002). Structural Change of Li1âxNi0.5Mn0.5O2 Cathode Materials for Lithium-ion Batteries by Synchrotron Radiation. Chemistry Letters, 32(1), 60â61.

Authors 6

Yoshinori Arachi (first)
Hironori Kobayashi (additional)
Shuichi Emura (additional)
Yoshiyuki Nakata (additional)
Minoru Tanaka (additional)
Takeshi Asai (additional)

References 5 Referenced 54

{'key': '2024012010025125200_r1'}
10.1149/1.1407994
10.4028/www.scientific.net/MSF.321-324.198
{'key': '2024012010025125200_r4'}
10.1103/RevModPhys.72.621

Dates

Type	When
Created	22 years, 8 months ago (Dec. 19, 2002, 11:21 p.m.)
Deposited	1 year, 7 months ago (Jan. 20, 2024, 5:03 a.m.)
Indexed	1 year, 3 months ago (May 21, 2024, 9:10 a.m.)
Issued	22 years, 8 months ago (Dec. 20, 2002)
Published	22 years, 8 months ago (Dec. 20, 2002)
Published Online	22 years, 8 months ago (Dec. 20, 2002)
Published Print	22 years, 7 months ago (Jan. 1, 2003)

Funders 0

None

BibTeX

@article{Arachi_2002, title={Structural Change of Li1−xNi0.5Mn0.5O2 Cathode Materials for Lithium-ion Batteries by Synchrotron Radiation}, volume={32}, ISSN={1348-0715}, url={http://dx.doi.org/10.1246/cl.2003.60}, DOI={10.1246/cl.2003.60}, number={1}, journal={Chemistry Letters}, publisher={Oxford University Press (OUP)}, author={Arachi, Yoshinori and Kobayashi, Hironori and Emura, Shuichi and Nakata, Yoshiyuki and Tanaka, Minoru and Asai, Takeshi}, year={2002}, month=dec, pages={60–61} }

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