Direct measurement of nanoscale lithium diffusion in solid battery materials using radioactive tracer of 8Li

H. Ishiyama; S. C. Jeong; Y. X. Watanabe; Y. Hirayama; N. Imai; H. S. Jung; H. Miyatake; M. Oyaizu; A. Osa; Y. Otokawa; M. Matsuda; K. Nishio; H. Makii; T. K. Sato; N. Kuwata; J. Kawamura; H. Ueno; Y. H. Kim; S. Kimura; M. Mukai

doi:10.1016/j.nimb.2015.12.036

Direct measurement of nanoscale lithium diffusion in solid battery materials using radioactive tracer of ⁸Li

H. Ishiyama, S. C. Jeong, Y. X. Watanabe, Y. Hirayama, N. Imai, H. S. Jung, H. Miyatake, M. Oyaizu, A. Osa, Y. Otokawa, M. Matsuda, K. Nishio, H. Makii, T. K. Sato, N. Kuwata, J. Kawamura, H. Ueno, Y. H. Kim, S. Kimura, M. Mukai

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

We have developed an in situ and nanoscale Li diffusion measurement method in Li battery materials using an α-emitting radioactive ⁸Li tracer. In this method, while implanting a low-energy (8 keV) ⁸Li beam, the α particles emitted at a small angle (10°) relative to the sample surface were detected as a function of time. Measurement for Li diffusion coefficients in a spinel phase LiMn₂O₄ (LMO) thin film has been started, which is used as an electrode in a Li ion secondary battery. An obvious Li diffusion effect in LMO was observed at the sample temperature of 623 K, and the further measurement is underway.

Original language	English
Pages (from-to)	379-381
Number of pages	3
Journal	Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume	376
DOIs	https://doi.org/10.1016/j.nimb.2015.12.036
Publication status	Published - 2016 Jun 1

Keywords

Li ion secondary battery
Lithium diffusion coefficient
Radioactive tracer

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

Access to Document

10.1016/j.nimb.2015.12.036

Cite this

Ishiyama, H., Jeong, S. C., Watanabe, Y. X., Hirayama, Y., Imai, N., Jung, H. S., Miyatake, H., Oyaizu, M., Osa, A., Otokawa, Y., Matsuda, M., Nishio, K., Makii, H., Sato, T. K., Kuwata, N., Kawamura, J., Ueno, H., Kim, Y. H., Kimura, S., & Mukai, M. (2016). Direct measurement of nanoscale lithium diffusion in solid battery materials using radioactive tracer of ⁸Li. Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, 376, 379-381. https://doi.org/10.1016/j.nimb.2015.12.036

Direct measurement of nanoscale lithium diffusion in solid battery materials using radioactive tracer of ⁸Li. / Ishiyama, H.; Jeong, S. C.; Watanabe, Y. X. et al.

In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, Vol. 376, 01.06.2016, p. 379-381.

Research output: Contribution to journal › Article › peer-review

Ishiyama, H, Jeong, SC, Watanabe, YX, Hirayama, Y, Imai, N, Jung, HS, Miyatake, H, Oyaizu, M, Osa, A, Otokawa, Y, Matsuda, M, Nishio, K, Makii, H, Sato, TK, Kuwata, N, Kawamura, J, Ueno, H, Kim, YH, Kimura, S & Mukai, M 2016, 'Direct measurement of nanoscale lithium diffusion in solid battery materials using radioactive tracer of ⁸Li', Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, vol. 376, pp. 379-381. https://doi.org/10.1016/j.nimb.2015.12.036

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abstract = "We have developed an in situ and nanoscale Li diffusion measurement method in Li battery materials using an α-emitting radioactive 8Li tracer. In this method, while implanting a low-energy (8 keV) 8Li beam, the α particles emitted at a small angle (10°) relative to the sample surface were detected as a function of time. Measurement for Li diffusion coefficients in a spinel phase LiMn2O4 (LMO) thin film has been started, which is used as an electrode in a Li ion secondary battery. An obvious Li diffusion effect in LMO was observed at the sample temperature of 623 K, and the further measurement is underway.",

keywords = "Li ion secondary battery, Lithium diffusion coefficient, Radioactive tracer",

author = "H. Ishiyama and Jeong, {S. C.} and Watanabe, {Y. X.} and Y. Hirayama and N. Imai and Jung, {H. S.} and H. Miyatake and M. Oyaizu and A. Osa and Y. Otokawa and M. Matsuda and K. Nishio and H. Makii and Sato, {T. K.} and N. Kuwata and J. Kawamura and H. Ueno and Kim, {Y. H.} and S. Kimura and M. Mukai",

note = "Funding Information: This work supported by Grants-in Aid of #25390036 from the Ministry of Education, Culture, Sports, Science and Technology of Japan ( MEXT ), and a grant from the Institute of Materials Structure Science (IMSS) at High Energy Accelerator Research Organization (KEK) of Japan. The experiment was performed under the shared use program of the JAEA Facilities in Japan. Publisher Copyright: {\textcopyright} 2015 Elsevier B.V.",

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AU - Ishiyama, H.

AU - Jeong, S. C.

AU - Watanabe, Y. X.

AU - Hirayama, Y.

AU - Imai, N.

AU - Jung, H. S.

AU - Miyatake, H.

AU - Oyaizu, M.

AU - Osa, A.

AU - Otokawa, Y.

AU - Matsuda, M.

AU - Nishio, K.

AU - Makii, H.

AU - Sato, T. K.

AU - Kuwata, N.

AU - Kawamura, J.

AU - Ueno, H.

AU - Kim, Y. H.

AU - Kimura, S.

AU - Mukai, M.

N1 - Funding Information: This work supported by Grants-in Aid of #25390036 from the Ministry of Education, Culture, Sports, Science and Technology of Japan ( MEXT ), and a grant from the Institute of Materials Structure Science (IMSS) at High Energy Accelerator Research Organization (KEK) of Japan. The experiment was performed under the shared use program of the JAEA Facilities in Japan. Publisher Copyright: © 2015 Elsevier B.V.

PY - 2016/6/1

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N2 - We have developed an in situ and nanoscale Li diffusion measurement method in Li battery materials using an α-emitting radioactive 8Li tracer. In this method, while implanting a low-energy (8 keV) 8Li beam, the α particles emitted at a small angle (10°) relative to the sample surface were detected as a function of time. Measurement for Li diffusion coefficients in a spinel phase LiMn2O4 (LMO) thin film has been started, which is used as an electrode in a Li ion secondary battery. An obvious Li diffusion effect in LMO was observed at the sample temperature of 623 K, and the further measurement is underway.

AB - We have developed an in situ and nanoscale Li diffusion measurement method in Li battery materials using an α-emitting radioactive 8Li tracer. In this method, while implanting a low-energy (8 keV) 8Li beam, the α particles emitted at a small angle (10°) relative to the sample surface were detected as a function of time. Measurement for Li diffusion coefficients in a spinel phase LiMn2O4 (LMO) thin film has been started, which is used as an electrode in a Li ion secondary battery. An obvious Li diffusion effect in LMO was observed at the sample temperature of 623 K, and the further measurement is underway.

KW - Li ion secondary battery

KW - Lithium diffusion coefficient

KW - Radioactive tracer

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