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Citation: HUANG Jun-Jie, JIANG Zhi-Yu. Electrochemical Performance of LiMn₂O₄ Thin Film Electrode Fabricated by Ink-Jet Printing Technique[J]. Acta Physico-Chimica Sinica, ;2008, 24(09): 1563-1567. doi: 10.3866/PKU.WHXB20080906 shu

Electrochemical Performance of LiMn₂O₄ Thin Film Electrode Fabricated by Ink-Jet Printing Technique

1.
Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, Shanghai 200433, P. R. China

Received Date: 30 January 2008
Available Online: 9 July 2008

Under ultrasonic andusingthe additive LomarDas dispersant, the printing“ink”can be prepared with LiMn2O4, which was synthesized through a sol-gel method. Through an ink-jet printing process, thin film LiMn2O4 electrode with thickness of about 1.8 μm was fabricated successfully. XRD, TG-DTA, SEM, electrochemical impedance spectrum, CV, and charge/discharge tests were used to characterize the LiMn2O4 nano particles and LiMn2O4 thin film electrode. It was found that LiMn2O4 filmelectrode could be charge-discharged at relative high current rate and kept stable. At the current density of 100 μA·cm-2 (2C), the thin film LiMn2O4 electrode had an initial capacity of 109 mAh·g-1, after 54 cycles the discharge capacity remained 97.4%, as a value of 105 mAh·g-1. This od electrochemical behavior of LiMn2O4 thin filmelectrode was mainly due to the thin thickness of electrode and well-crystallized LiMn2O4 nano particles.
- LiMn2O4 nano-particle; Ink-jet printing technique; Thin filmelectrode; Lithiumion battery
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Electrochemical Performance of LiMn2O4 Thin Film Electrode Fabricated by Ink-Jet Printing Technique

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通讯作者: 陈斌, bchen63@163.com

Electrochemical Performance of LiMn₂O₄ Thin Film Electrode Fabricated by Ink-Jet Printing Technique