شماره ركورد كنفرانس :
4226
عنوان مقاله :
Tailored Silicon Mesoporous via Magnesiothermic Reduction for Silicon-based Lithium Ion Batteries
پديدآورندگان :
Nangir Mahya Materials and Energy Research Center , Massoudi Abouzar massoudi@merc.ac.ir Materials and Energy Research Center , Yazdanirad Rahim Materials and Energy Research Center , Tayebifard Seyed Ali Materials and Energy Research Center , Torknik Fatemeh Materials and Energy Research Center
كليدواژه :
Lithium ion Battery , Silicon , Mesoporous , Impedance Spectroscopy
عنوان كنفرانس :
سيزدهمين سمينار ملي سالانه الكتروشيمي ايران
چكيده فارسي :
Silicon mesoporous as a most promising anodic material for high capacity lithium ion Batteries was synthesized via magnesiothermic reduction. Purity of the prepared compound was confirmed by XRD analysis as well as nanometer pores by FE-SEM. The electrochemical results delivered the first charge/ discharge capacity of 700 mAh/g and 415 mAh/g at current density of 100 mA/g. Dealloying of Li3.75Si to Li2Si and Li2Si to c-Si and allying c-Si to a-Si were confirmed through CVs curves. Moreover, impedance spectroscopy resulted 50 Ω resistance connected to charge transfer.
