LiFePO4-Li3V2(PO4)3 composites were synthesized by solid-hydrothermal method and by ball milling,respectively.The electrochemical performance of the solid-hydrothermally obtained materials(C-LFVP) was significantl...LiFePO4-Li3V2(PO4)3 composites were synthesized by solid-hydrothermal method and by ball milling,respectively.The electrochemical performance of the solid-hydrothermally obtained materials(C-LFVP) was significantly improved compared with LiFePO4(LFP) and Li3V2(PO4)3(LVP),and it was also much better than that of the ball-milled LiFePO4-Li3V2(PO4)3(P-LFVP).C-LFVP and P-LFVP both had four REDOX peaks(voltage plateaus),which coincided with that of LFP and LVP.Some new trace substances were found in C-LFVP which had more perfect morphology,this was responsible for the better electrochemical performance of C-LFVP than P-LFVP.展开更多
基金Project (2007BAQ01055) supported by the National Key Technology R&D Programs of ChinaProject (50574063) supported by theNational Natural Science Foundation of China
文摘LiFePO4-Li3V2(PO4)3 composites were synthesized by solid-hydrothermal method and by ball milling,respectively.The electrochemical performance of the solid-hydrothermally obtained materials(C-LFVP) was significantly improved compared with LiFePO4(LFP) and Li3V2(PO4)3(LVP),and it was also much better than that of the ball-milled LiFePO4-Li3V2(PO4)3(P-LFVP).C-LFVP and P-LFVP both had four REDOX peaks(voltage plateaus),which coincided with that of LFP and LVP.Some new trace substances were found in C-LFVP which had more perfect morphology,this was responsible for the better electrochemical performance of C-LFVP than P-LFVP.