Abstract
A novel quinone compound, tetrahydro-hexaquinone (THHQ), was prepared by a facile oxidation process and characterized by FT-IR, NMR and elemental analysis (EA). The compound was tested as a novel cathode active material for rechargeable lithium batteries. The cyclic voltammetry (CV) and charge–discharge tests of THHQ were investigated in an electrolyte system of LiPF6/ethylene carbonate (EC)+diethyl carbonate (DEC, 1:1 by volume). The electrochemical tests showed that an initial specific capacity of 340mAhg−1 was obtained and 203mAhg−1 specific capacity was retained after 40 cycles at the current density of 200mAg−1. The results indicated that THHQ can afford a high specific capacity as a potential cathode active material.
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