Fromtheperspectiveofmarketcompetitionpattern,theresearch,developmentandproductionoflithiumanodematerialsintheworldaremainlyconcentratedinChina,Japan,SouthKoreaandothercountries.Fromtheperspectiveofglobalenterprisecompetitionpattern,POSCOistheonlyoverseasenterpriseamongthetop10negativeenterpriseswithmarketsharein2021,andtherestareChineseenterprises.Chinesenegativematerialenterpriseshaveobviousglobaladvantagesintermsofindustrialchainlayout,productperformance,cost,etc.Intermsofthedomesticmarket,thenegativematerialmarketpresentsapatternof"threebigandfoursmall",namely,BetrayPutailaiandShanshanShares,andthefoursmallonesareShangtaiTechnology,ZhongkeElectric,DongguanKaijinandXiangfenghua.HeadmanufacturerBetterrareShanshansharesandPutaiaccountedforabouthalfofthemarketshare.Atpresent,thereisnoabsolutegapbetweenthe"threebig"enterprises,andthe"foursmall"enterpriseshavesimilarmarketshares,sotheyhaveastrongdesiretocatchupwiththe"threebig"enterprises.Graphitecathodehasbeendevelopedfordecades,andhasalwaysoccupiedaleadingpositioninthemarket.Theresearchshowsthattheenergystorageperformanceofgraphitecanbefurtherimproved.ThroughtheconstructionofadvancedenergySEI,themicrostructureandsolvationenergyareoptimizedtoachieverapidcharginganddischargingofgraphiteanode.Kaiserreportedthereversibleultradensestorageoflithiumbetweengraphene.
bilayers,indicatingthatthecapacitypotentialofthegraphitestructurecanexceed372mAh/g.Otherliteratureshowsthatthereversibleformationofhigh-capacityLiCorLi2C1inGICcanobtainhigh-capacityofmorethan10000compoundsmAh.
/g,andthesurfaceandinternalnanoporesofGICcanproducehigh-capacityreversiblelithiummetalstorage.DahnandotherLiGICscanrealizethereversibledepositionoflithiummetal,thusimprovingthecapacity.Thesedatashowthatgraphitestillhasgreatpotentialforperformanceimprovementandapplicationprospectsinthefutureadvancedlithiumionbatteries.However,inordertoobtaingraphitecathodewithhigherperformance,itisnecessarytohaveadeepunderstandingofthecrystalstructure,electronicstructureandbasicscientificissuesinvolvedintheenergystorageprocessofLiGIC,andthenadjustitsstructuretopromotetheintercalation,storageanddiffusiondynamicsinLi+graphite,thebasicscientificissuesinvolvedintheenergystorageprocess.Fromtheperspectiveofproductshipmentstructure,theproportionofartificialgraphiteproductscontinuedtorise,andthemarketshareroseto84%;Naturalgraphite
Theproportiondecreased,andthemarketsharedecreasedto14%.Themainreasonsareasfollows:1)Drivenbythemarketdemandforpowerandenergystorage,artificialgraphitehasbetterconsistencyandcirculationthann
