Ultrathin nanosheets of Li 2MSiO 4 (M = Fe, Mn) as high-capacity Li-ion battery electrode

Dinesh Rangappa; Kempaiah Devaraju Murukanahally; Takaaki Tomai; Atsushi Unemoto; Itaru Honma

doi:10.1021/nl202681b

Ultrathin nanosheets of Li ₂MSiO ₄ (M = Fe, Mn) as high-capacity Li-ion battery electrode

Dinesh Rangappa, Kempaiah Devaraju Murukanahally, Takaaki Tomai, Atsushi Unemoto, Itaru Honma

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

318 Citations (Scopus)

Abstract

Novel ultrathin Li ₂MnSiO ₄ nanosheets have been prepared in a rapid one pot supercritical fluid synthesis method. Nanosheets structured cathode material exhibits a discharge capacity of ∼340 mAh/g at 45 ± 5 °C. This result shows two lithium extraction/insertion performances with good cycle ability without any structural instability up to 20 cycles. The two-dimensional nanosheets structure enables us to overcome structural instability problem in the lithium metal silicate based cathode materials and allows successful insertion/extraction of two complete lithium ions.

Original language	English
Pages (from-to)	1146-1151
Number of pages	6
Journal	Nano Letters
Volume	12
Issue number	3
DOIs	https://doi.org/10.1021/nl202681b
Publication status	Published - 2012 Mar 14

Keywords

cathode
high capacity
Li MnSiO
nanosheets
supercritical fluids

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10.1021/nl202681b

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abstract = "Novel ultrathin Li 2MnSiO 4 nanosheets have been prepared in a rapid one pot supercritical fluid synthesis method. Nanosheets structured cathode material exhibits a discharge capacity of ∼340 mAh/g at 45 ± 5 °C. This result shows two lithium extraction/insertion performances with good cycle ability without any structural instability up to 20 cycles. The two-dimensional nanosheets structure enables us to overcome structural instability problem in the lithium metal silicate based cathode materials and allows successful insertion/extraction of two complete lithium ions.",

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AU - Murukanahally, Kempaiah Devaraju

AU - Tomai, Takaaki

AU - Unemoto, Atsushi

AU - Honma, Itaru

PY - 2012/3/14

Y1 - 2012/3/14

N2 - Novel ultrathin Li 2MnSiO 4 nanosheets have been prepared in a rapid one pot supercritical fluid synthesis method. Nanosheets structured cathode material exhibits a discharge capacity of ∼340 mAh/g at 45 ± 5 °C. This result shows two lithium extraction/insertion performances with good cycle ability without any structural instability up to 20 cycles. The two-dimensional nanosheets structure enables us to overcome structural instability problem in the lithium metal silicate based cathode materials and allows successful insertion/extraction of two complete lithium ions.

AB - Novel ultrathin Li 2MnSiO 4 nanosheets have been prepared in a rapid one pot supercritical fluid synthesis method. Nanosheets structured cathode material exhibits a discharge capacity of ∼340 mAh/g at 45 ± 5 °C. This result shows two lithium extraction/insertion performances with good cycle ability without any structural instability up to 20 cycles. The two-dimensional nanosheets structure enables us to overcome structural instability problem in the lithium metal silicate based cathode materials and allows successful insertion/extraction of two complete lithium ions.

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KW - high capacity

KW - Li MnSiO

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KW - supercritical fluids

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Ultrathin nanosheets of Li ₂MSiO ₄ (M = Fe, Mn) as high-capacity Li-ion battery electrode

Abstract

Keywords

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