LiCoPO4 - 3D carbon nanofiber composites as possible cathode materials for high voltage applications

L. Dimesso; C. Spanheimer; W. Jaegermann; Y. Zhang; A. L. Yarin

doi:10.1016/j.electacta.2013.02.002

LiCoPO₄ - 3D carbon nanofiber composites as possible cathode materials for high voltage applications

L. Dimesso, C. Spanheimer, W. Jaegermann, Y. Zhang, A. L. Yarin

College of Engineering

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

36 Citations (Scopus)

Abstract

Electrospun and carbonized 3D nanofiber mats coated with olivine structured lithium cobalt phosphate (LiCoPO₄) were formed by a Pechini-assisted sol-gel process as cathode material for lithium ion batteries. 3D nonwoven nanofibers were soaked in aqueous solution containing lithium, cobalt salts and phosphates at 80 °C for 2 h. Then, the composites were dried and annealed at 730 °C for 2 to 12 h in nitrogen atmosphere. Crystalline deposits were uniformly distributed on the carbon nanofiber surface. The "loading" of the cathode material on the 3D carbon nanofiber composites reached 300 wt%. The electrochemical measurements revealed the discharge specific capacity (measured at a discharge rate of 0.1 C and room temperature) reaching a maximum value of 46 mAh g^-1 after annealing time t = 5 h.

Original language	English
Pages (from-to)	38-42
Number of pages	5
Journal	Electrochimica Acta
Volume	95
DOIs	https://doi.org/10.1016/j.electacta.2013.02.002
Publication status	Published - 2013 Apr 15

Bibliographical note

Funding Information:
The authors thank the Deutsche Forschungsgemeinschaft (DFG) and the Excellency Cluster Center of Smart Interfaces (CSI) for the financial support during this work. The DFG promote and support financially the publication of the scientific results obtained during the projects. YZ and ALY are also grateful for the partial support of their work by National Science Foundation through the Grant CBET-0966764 .

Keywords

Cathode material
Composite
Lithium cobalt phosphate
Lithium ion battery
Nonwoven carbon nanofibers

ASJC Scopus subject areas

General Chemical Engineering
Electrochemistry

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1016/j.electacta.2013.02.002

Cite this

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title = "LiCoPO4 - 3D carbon nanofiber composites as possible cathode materials for high voltage applications",

abstract = "Electrospun and carbonized 3D nanofiber mats coated with olivine structured lithium cobalt phosphate (LiCoPO4) were formed by a Pechini-assisted sol-gel process as cathode material for lithium ion batteries. 3D nonwoven nanofibers were soaked in aqueous solution containing lithium, cobalt salts and phosphates at 80 °C for 2 h. Then, the composites were dried and annealed at 730 °C for 2 to 12 h in nitrogen atmosphere. Crystalline deposits were uniformly distributed on the carbon nanofiber surface. The {"}loading{"} of the cathode material on the 3D carbon nanofiber composites reached 300 wt%. The electrochemical measurements revealed the discharge specific capacity (measured at a discharge rate of 0.1 C and room temperature) reaching a maximum value of 46 mAh g-1 after annealing time t = 5 h.",

keywords = "Cathode material, Composite, Lithium cobalt phosphate, Lithium ion battery, Nonwoven carbon nanofibers",

author = "L. Dimesso and C. Spanheimer and W. Jaegermann and Y. Zhang and Yarin, {A. L.}",

note = "Funding Information: The authors thank the Deutsche Forschungsgemeinschaft (DFG) and the Excellency Cluster Center of Smart Interfaces (CSI) for the financial support during this work. The DFG promote and support financially the publication of the scientific results obtained during the projects. YZ and ALY are also grateful for the partial support of their work by National Science Foundation through the Grant CBET-0966764 .",

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doi = "10.1016/j.electacta.2013.02.002",

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AU - Dimesso, L.

AU - Spanheimer, C.

AU - Jaegermann, W.

AU - Zhang, Y.

AU - Yarin, A. L.

N1 - Funding Information: The authors thank the Deutsche Forschungsgemeinschaft (DFG) and the Excellency Cluster Center of Smart Interfaces (CSI) for the financial support during this work. The DFG promote and support financially the publication of the scientific results obtained during the projects. YZ and ALY are also grateful for the partial support of their work by National Science Foundation through the Grant CBET-0966764 .

PY - 2013/4/15

Y1 - 2013/4/15

N2 - Electrospun and carbonized 3D nanofiber mats coated with olivine structured lithium cobalt phosphate (LiCoPO4) were formed by a Pechini-assisted sol-gel process as cathode material for lithium ion batteries. 3D nonwoven nanofibers were soaked in aqueous solution containing lithium, cobalt salts and phosphates at 80 °C for 2 h. Then, the composites were dried and annealed at 730 °C for 2 to 12 h in nitrogen atmosphere. Crystalline deposits were uniformly distributed on the carbon nanofiber surface. The "loading" of the cathode material on the 3D carbon nanofiber composites reached 300 wt%. The electrochemical measurements revealed the discharge specific capacity (measured at a discharge rate of 0.1 C and room temperature) reaching a maximum value of 46 mAh g-1 after annealing time t = 5 h.

AB - Electrospun and carbonized 3D nanofiber mats coated with olivine structured lithium cobalt phosphate (LiCoPO4) were formed by a Pechini-assisted sol-gel process as cathode material for lithium ion batteries. 3D nonwoven nanofibers were soaked in aqueous solution containing lithium, cobalt salts and phosphates at 80 °C for 2 h. Then, the composites were dried and annealed at 730 °C for 2 to 12 h in nitrogen atmosphere. Crystalline deposits were uniformly distributed on the carbon nanofiber surface. The "loading" of the cathode material on the 3D carbon nanofiber composites reached 300 wt%. The electrochemical measurements revealed the discharge specific capacity (measured at a discharge rate of 0.1 C and room temperature) reaching a maximum value of 46 mAh g-1 after annealing time t = 5 h.

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