27 March 2015 Porous carbon/CeO2 composites for Li-ion battery application
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Development of new materials hold the key to the fundamental progress in energy storage systems such as Li-ion battery, which is widely used in modern technologies because of their high energy density and extended cycle life. Among these materials, porous carbon is of particular interest because it provides high lithiation and excellent cycling capability by shortening the transport length for Li+ ions with large electrode/electrolyte interface. It has also been demonstrated that transition metal oxide nanoparticle can enhance surface electrochemical reactivity and increase the capacity retention capability for higher number of cycles. Here we investigate porous carbon/ceria (CeO2) nanoparticles composites as an anode material. The high redox potential of ceria is expected to provide a higher potential window as well as increase the specific capacity and energy density of the system. Scanning Electron Microscopy (SEM), X-Ray Diffraction (XRD), Transmission Electron Microscopy (TEM) is used for material characterization, while battery analyzer is used for measuring the electrochemical performance of the battery.
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Hasanul Karim, Hasanul Karim, Mohammad Arif Ishtiaque Shuvo, Mohammad Arif Ishtiaque Shuvo, Md. Tariqul Islam, Md. Tariqul Islam, Gerardo Rodriguez, Gerardo Rodriguez, Armando Sandoval, Armando Sandoval, Manjula I. Nandasiri, Manjula I. Nandasiri, Ashleigh M. Schwarz, Ashleigh M. Schwarz, Arun Devaraj, Arun Devaraj, Juan C. Noveron, Juan C. Noveron, M. Vijayakumar, M. Vijayakumar, Yirong Lin, Yirong Lin, "Porous carbon/CeO2 composites for Li-ion battery application", Proc. SPIE 9439, Smart Materials and Nondestructive Evaluation for Energy Systems 2015, 94390I (27 March 2015); doi: 10.1117/12.2084293; https://doi.org/10.1117/12.2084293

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