Challenges in the development of advanced Li-ion batteries- a review copy.pdf

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1、ViewOnlineEnergy&DynamicArticleLinksC

2、thJune2011DOI:10.1039/c1ee01598bLi-ionbatterytechnologyhasbecomeveryimportantinrecentyearsasthesebatteriesshowgreatpromiseaspowersourcesthatcanleadustotheelectricvehicle(EV)revolution.ThedevelopmentofnewmaterialsforLi-ionbatteriesisthefocusofresearchinprominentgroupsinthefieldo

3、fmaterialssciencethroughouttheworld.Li-ionbatteriescanbeconsideredtobethemostimpressivesuccessstoryofmodernelectrochemistryinthelasttwodecades.Theypowermostoftoday’sportabledevices,andseemtoovercomethepsychologicalbarriersagainsttheuseofsuchhighenergydensitydevicesonalargersca

4、leformoredemandingapplications,suchasEV.Sincethisfieldisadvancingrapidlyandattractinganincreasingnumberofresearchers,itisimportanttoprovidecurrentandtimelyupdatesofthisconstantlychangingtechnology.Inthisreview,wedescribethekeyaspectsofLi-ionbatteries:thebasicsciencebehindtheiro

5、peration,themostrelevantcomponents,anodes,cathodes,electrolytesolutions,aswellasimportantfuturedirectionsforR&DofadvancedLi-ionbatteriesfordemandinguse,suchasEVandload-levelingapplications.Generalintroductionstoragedevicesisstilllaggingfarbehind.Hence,thedevelopmentofbatteries

6、thatcanstoresustainableenergywithlongtermTodaytheworldfacesenergychallengesontwomainfrontiers:stability,veryprolongedcyclelifeandmeetingenvironmentalshiftingelectricityproductionfromburningfueltosustainableconstraintsisanimportantchallengeformodernenergysources,andmovingground

7、transportationtowardselectrochemistry.electricalpropulsion,namely,usingelectricvehicles(EVs)AnotherimportantrequirementofmodernsocietyistoreduceDownloadedbyZhejiangUniversityon01September2011insteadofcarsdrivenbyinternalcombustionengines(ICEs).theuseofoilfortransportationasqui

8、cklyaspossibleduetoveryPublishedon26July2011onhttp://pubs.rsc