Taiwan Hopax Chems. Mfg. Co., Ltd.

Chia-Chin Chang

Li-Jane Her

Ru-Shi Liu

Chun-Wei Huang

Yu-Chun Chen

The present invention provides an electrolyte for electrochemical device and the electrochemical device thereof. The electrolyte comprises 9.95&#x2dc;19.95 wt % of a salt; 80.0&#x2dc;90.0 wt % of a non-aqueous solvent; 0.05&#x2dc;10.00 wt % of an additive comprising a compound represented by below formula (I) or (II): wherein X, R, and R&#x2dc;Ris defined as herein. Besides, the present invention also provides a method for enhancing cycle life of electrochemical device which accomplished by adding said additive to an electrolyte of electrochemical device.

Electrolyte for electrochemical device and the electrochemical device thereof

The present invention provides a method for preparing an electrode material, comprising providing an acidic plating bath; adding titanium dioxide in the form of powder, metal salt, and reductant to said acidic plating bath to obtain a precursor; and heat treating said precursor to obtain an electrode material. When the electrode material obtained by said method is applied to batteries, the batteries have not only high capacity, but also long lifetime.

Method for preparing electrode materials and electrode materials produced therefrom

An electrolyte for electrochemical device and the electrochemical device thereof. The electrolyte comprises 9.95&#x2dc;19.95 wt % of a salt; 80.0&#x2dc;90.0 wt % of a non-aqueous solvent; 0.05&#x2dc;10.00 wt % of an additive comprising a compound represented by below formula (I) or (II): wherein X1, R1, and R4&#x2dc;R10 is defined as herein. Besides, the present invention also provides a method for enhancing cycle life of electrochemical device which accomplished by adding above additive to an electrolyte of electrochemical device.

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Kaohsiung, Taiwan

Chia-Chin Chang