A Comparison of high capacity x Li2 MnO3 (1-x) LiMO2 (M=Ni,Co,Mn) cathodes in lithium-ion cells with Li4 Ti5 O12 - And carbon-encapsulated anatase TiO2 anodes

S. H. Kang; V. G. Pol; I. Belharouak; M. M. Thackeray

doi:10.1149/1.3274205

A Comparison of high capacity x Li₂ MnO₃ (1-x) LiMO₂ (M=Ni,Co,Mn) cathodes in lithium-ion cells with Li₄ Ti₅ O₁₂ - And carbon-encapsulated anatase TiO₂ anodes

S. H. Kang, V. G. Pol, I. Belharouak, M. M. Thackeray

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

35 Scopus citations

Abstract

The electrochemical performance of high capacity x Li₂ MnO ₃ · (1-x) LiMO₂ (M=Ni,Co,Mn) cathodes was evaluated in a lithium-ion cell configuration against Li₄ Ti₅ O12 - and carbon-encapsulated anatase, TiO₂ -C, anodes. The electrode composition 0.5 Li₂ MnO₃ 0.5 LiNi0.44 Mn0.31 Co0.25 O ₂ that provides a rechargeable capacity of 250 mAh/g was selected for the study. Li₄ Ti₅ O₁₂ /0.5 Li₂ MnO₃ ·0.5 LiNi_0.44 Mn_0.31 Co _0.25 O₂ cells operate with excellent reversibility, offering a superior energy density to Li₄ Ti₅ O ₁₂/ Li_1+x Mn_2-x O₄ (spinel/spinel) cells that are being developed for powering hybrid and plug-in hybrid (10 mile) vehicles. Carbon encapsulation of anatase TiO₂ did not improve the stability or cycle life of Li_x TiO₂ electrodes for x> 0.5; TiO₂ -C/0.5 Li₂ MnO₃ · 0.5 LiNi_0.44 Mn_0.31 Co_0.25 O₂ cells steadily lose capacity on electrochemical cycling.

Original language	English
Pages (from-to)	A267-A271
Journal	Journal of the Electrochemical Society
Volume	157
Issue number	3
DOIs	https://doi.org/10.1149/1.3274205
State	Published - 2010
Externally published	Yes

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title = "A Comparison of high capacity x Li2 MnO3 (1-x) LiMO2 (M=Ni,Co,Mn) cathodes in lithium-ion cells with Li4 Ti5 O12 - And carbon-encapsulated anatase TiO2 anodes",

abstract = "The electrochemical performance of high capacity x Li2 MnO 3 · (1-x) LiMO2 (M=Ni,Co,Mn) cathodes was evaluated in a lithium-ion cell configuration against Li4 Ti5 O12 - and carbon-encapsulated anatase, TiO2 -C, anodes. The electrode composition 0.5 Li2 MnO3 0.5 LiNi0.44 Mn0.31 Co0.25 O 2 that provides a rechargeable capacity of 250 mAh/g was selected for the study. Li4 Ti5 O12 /0.5 Li2 MnO3 ·0.5 LiNi0.44 Mn0.31 Co 0.25 O2 cells operate with excellent reversibility, offering a superior energy density to Li4 Ti5 O 12/ Li1+x Mn2-x O4 (spinel/spinel) cells that are being developed for powering hybrid and plug-in hybrid (10 mile) vehicles. Carbon encapsulation of anatase TiO2 did not improve the stability or cycle life of Lix TiO2 electrodes for x> 0.5; TiO2 -C/0.5 Li2 MnO3 · 0.5 LiNi0.44 Mn0.31 Co0.25 O2 cells steadily lose capacity on electrochemical cycling.",

author = "Kang, {S. H.} and Pol, {V. G.} and I. Belharouak and Thackeray, {M. M.}",

year = "2010",

doi = "10.1149/1.3274205",

language = "English",

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journal = "Journal of the Electrochemical Society",

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T1 - A Comparison of high capacity x Li2 MnO3 (1-x) LiMO2 (M=Ni,Co,Mn) cathodes in lithium-ion cells with Li4 Ti5 O12 - And carbon-encapsulated anatase TiO2 anodes

AU - Kang, S. H.

AU - Pol, V. G.

AU - Belharouak, I.

AU - Thackeray, M. M.

PY - 2010

Y1 - 2010

N2 - The electrochemical performance of high capacity x Li2 MnO 3 · (1-x) LiMO2 (M=Ni,Co,Mn) cathodes was evaluated in a lithium-ion cell configuration against Li4 Ti5 O12 - and carbon-encapsulated anatase, TiO2 -C, anodes. The electrode composition 0.5 Li2 MnO3 0.5 LiNi0.44 Mn0.31 Co0.25 O 2 that provides a rechargeable capacity of 250 mAh/g was selected for the study. Li4 Ti5 O12 /0.5 Li2 MnO3 ·0.5 LiNi0.44 Mn0.31 Co 0.25 O2 cells operate with excellent reversibility, offering a superior energy density to Li4 Ti5 O 12/ Li1+x Mn2-x O4 (spinel/spinel) cells that are being developed for powering hybrid and plug-in hybrid (10 mile) vehicles. Carbon encapsulation of anatase TiO2 did not improve the stability or cycle life of Lix TiO2 electrodes for x> 0.5; TiO2 -C/0.5 Li2 MnO3 · 0.5 LiNi0.44 Mn0.31 Co0.25 O2 cells steadily lose capacity on electrochemical cycling.

AB - The electrochemical performance of high capacity x Li2 MnO 3 · (1-x) LiMO2 (M=Ni,Co,Mn) cathodes was evaluated in a lithium-ion cell configuration against Li4 Ti5 O12 - and carbon-encapsulated anatase, TiO2 -C, anodes. The electrode composition 0.5 Li2 MnO3 0.5 LiNi0.44 Mn0.31 Co0.25 O 2 that provides a rechargeable capacity of 250 mAh/g was selected for the study. Li4 Ti5 O12 /0.5 Li2 MnO3 ·0.5 LiNi0.44 Mn0.31 Co 0.25 O2 cells operate with excellent reversibility, offering a superior energy density to Li4 Ti5 O 12/ Li1+x Mn2-x O4 (spinel/spinel) cells that are being developed for powering hybrid and plug-in hybrid (10 mile) vehicles. Carbon encapsulation of anatase TiO2 did not improve the stability or cycle life of Lix TiO2 electrodes for x> 0.5; TiO2 -C/0.5 Li2 MnO3 · 0.5 LiNi0.44 Mn0.31 Co0.25 O2 cells steadily lose capacity on electrochemical cycling.

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A Comparison of high capacity x Li₂ MnO₃ (1-x) LiMO₂ (M=Ni,Co,Mn) cathodes in lithium-ion cells with Li₄ Ti₅ O₁₂ - And carbon-encapsulated anatase TiO₂ anodes

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