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中文摘要：
以FeSO4·7H2O为铁源，用固相法合成了正极材料橄榄石型LiFePO4／C复合材料，研究了焙烧温度、反应时间和碳源对产物结构、形貌及电化学性能的影响。用蔗糖作碳源，在700℃下煅烧15h制得的样品，具有均一的橄榄石型结构，在电流为17mA／g（0．1C）时的首次放电比容量为151mAh／g，循环性能良好。
英文摘要：
LiFePO4/C composite was synthesized by solid-state method using FeSO4 ·7H2O as iron source. The effects of calcination temperature,reaction time and carbon source on the structure, morphology and electrochemical performance of the products were studied. Sucrose as carbon precursor, the sample prepared by calcination at 700 ℃ for 15 h had homogeneous olivine structure,its initial specific discharge capacity was 151 mAh/g at the current of 17 mA/g（0.1 C）, the cycle performance was fine.
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