文稿教程设计synthesis and carbon coating of livo

1、Synthesis and carbon-coating of Li3VO4 as a new electrode material for lithium-ion batteries by Gao hongze Current situation of lithium-ion batteriesmobile phone34%note PC35%power tool6%DSC5%PMP3%game2%other15%market sharemobile phonenote PCpower toolDSCPMPgameotherAdvantage and disadvantage of lith

2、ium-ion batteries 1、capacity-recession2、cannot over charge-discharge3、high production costs DisadvantageProperties of Li3VO4 Structure：spinel Li insertion potential low electrical conductivity is less than satisfactoryHow to solve ?How to solve ?1、carbon-coated2、mix with grapheneSynthesis of Li3VO4S

3、ynthesisLi2CO3+V2O5GrindHeating6h(600)GrindHeating3h(900)Grind1、sol-gel method 2、solid-state reactionCarbon-coating of Li3VO4 gas circuitN2To tube furnaceCarbon-coating of Li3VO4 heating processResult of carbon-coatingBefore heatingAfter heating14th, MarchTrouvaille with acetylene black26th, MarchSu

4、ppose：the carbon is form acetylene blackacetylene blackTiO2Airflow of pure N2After heating1st, AprilSuppose： catalytic effect of acetylene black2nd, AprilNext work1，redo the experiment of 2nd, April, change TiO2 to nano- needle of V2O5 , observe whether the mirror of Carbon reappear2, EDS test of yellow things which appeared at 26th, March, inspect it is carbon or vanadium3, SEM test of carbon-coated Li3VO4 ,observe the layer of carbon at the surface of Li3VO4 particle4, test the el