Structure and electrochemistry of copper fluoride nanocomposites utilizing mixed conducting matrices

F. Badway; A. N. Mansour; N. Pereira; J. F. Al-Sharab; F. Cosandey; I. Plitz; G. G. Amatucci

doi:10.1021/cm070421g

Structure and electrochemistry of copper fluoride nanocomposites utilizing mixed conducting matrices

F. Badway, A. N. Mansour, N. Pereira, J. F. Al-Sharab, F. Cosandey, I. Plitz, G. G. Amatucci

Inst Adv Material Dev&Nanotech

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

145 Scopus citations

Abstract

Near-theoretical utilization of high-energy-density CuF₂ positive electrode materials for lithium batteries was enabled through the use of nanocomposites consisting of 2-30 nm domains of CuF₂ within a mixed ionic + electronic conducting matrix of a metal oxide. Small but significant crystallographic changes to the core crystal of the CuF₂ were found to occur in all oxide-based matrices. These modifications to the core crystal and the surrounding matrix were investigated through a host of characterization methods, including XRD, XPS, and XAS. This new approach to the enablement of the anhydrous CuF₂ is distinctly superior in performance to that of macro CuF₂ or CuF₂ nanocomposites utilizing carbon as a matrix, the latter of which is also introduced herein for the first time.

Original language	English (US)
Pages (from-to)	4129-4141
Number of pages	13
Journal	Chemistry of Materials
Volume	19
Issue number	17
DOIs	https://doi.org/10.1021/cm070421g
State	Published - Aug 21 2007

All Science Journal Classification (ASJC) codes

Chemistry(all)
Chemical Engineering(all)
Materials Chemistry

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abstract = "Near-theoretical utilization of high-energy-density CuF2 positive electrode materials for lithium batteries was enabled through the use of nanocomposites consisting of 2-30 nm domains of CuF2 within a mixed ionic + electronic conducting matrix of a metal oxide. Small but significant crystallographic changes to the core crystal of the CuF2 were found to occur in all oxide-based matrices. These modifications to the core crystal and the surrounding matrix were investigated through a host of characterization methods, including XRD, XPS, and XAS. This new approach to the enablement of the anhydrous CuF2 is distinctly superior in performance to that of macro CuF2 or CuF2 nanocomposites utilizing carbon as a matrix, the latter of which is also introduced herein for the first time.",

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AU - Badway, F.

AU - Mansour, A. N.

AU - Pereira, N.

AU - Al-Sharab, J. F.

AU - Cosandey, F.

AU - Plitz, I.

AU - Amatucci, G. G.

PY - 2007/8/21

Y1 - 2007/8/21

N2 - Near-theoretical utilization of high-energy-density CuF2 positive electrode materials for lithium batteries was enabled through the use of nanocomposites consisting of 2-30 nm domains of CuF2 within a mixed ionic + electronic conducting matrix of a metal oxide. Small but significant crystallographic changes to the core crystal of the CuF2 were found to occur in all oxide-based matrices. These modifications to the core crystal and the surrounding matrix were investigated through a host of characterization methods, including XRD, XPS, and XAS. This new approach to the enablement of the anhydrous CuF2 is distinctly superior in performance to that of macro CuF2 or CuF2 nanocomposites utilizing carbon as a matrix, the latter of which is also introduced herein for the first time.

AB - Near-theoretical utilization of high-energy-density CuF2 positive electrode materials for lithium batteries was enabled through the use of nanocomposites consisting of 2-30 nm domains of CuF2 within a mixed ionic + electronic conducting matrix of a metal oxide. Small but significant crystallographic changes to the core crystal of the CuF2 were found to occur in all oxide-based matrices. These modifications to the core crystal and the surrounding matrix were investigated through a host of characterization methods, including XRD, XPS, and XAS. This new approach to the enablement of the anhydrous CuF2 is distinctly superior in performance to that of macro CuF2 or CuF2 nanocomposites utilizing carbon as a matrix, the latter of which is also introduced herein for the first time.

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Structure and electrochemistry of copper fluoride nanocomposites utilizing mixed conducting matrices

Abstract

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