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1、手机电池基本概念和充电器的(Basicconceptsofmobilephonebatteryandcharger)1,lithiumionbatterynominalvoltage3.7V(3.6V),4.2V(4.1V,chargingvoltageisdifferentaccordingtothedesignofelectriccorelabel).(lithiumioncorespecificationis:lithiumiontwocell)2,thedemandforlithiumionbatteries(GB/T
2、182872000):thefirstconstantcurrentchargingcurrent,andthevoltageofthebatterychargingprocesswithgraduallyincreased,whenthebatteryvoltagereaches4.2V(4.1V),modifiedconstantcurrentchargingforconstantvoltagecharging,voltage,electriccurrentaccordingtothedegreeofsaturationo
3、fthecore,withthechargetheprocesscontinuestodecreasegradually,whenreducedto0.01C,chargingthattermination.(Cisamethodofrepresentingthecurrentwiththenominalcapacityofthebattery,suchasthecapacityofthebatteryis1000mAh,the1Cisthechargingcurrent1000mA,theattentionismArathe
4、rthanmAh,0.01Cis10mAOfcourse,thecanonicalexpressionis0.01C5A,andIsimplifyithere.3.Whydoyouthink0.01Cistheendofcharging:ThisisstipulatedbynationalstandardGB/T18287-2000,anditisalsodiscussed.20mAwasusedastheend,andtheMinistryofPostsandtelecommunicationsindustrystandar
5、dYD/T998-1999alsostipulatedthat,nomatterhowlargethebatterycapacityis,thestopcurrentis20mA.Thenationalstandardof0.01Chelpstochargemoreplump,themanufacturersthroughtheidentificationoffavorable.Inaddition,thenationalstandardstipulatesthatchargingtimeisnotmorethan8hours
6、,thatistosay,evenifithasnotreached0.01C,8hourslater,alsothinktheendofcharging.Batterieswithgoodqualityshouldbe0.01Cwithin8hours,andbatterieswithpoorqualitywillbemeaningless4,howtodistinguishbetweenthebatteryis4.1Vor4.2V:consumerscannotdistinguish,itdependsonthecorem
7、anufacturersofproductspecifications.Somebrandsofelectriccoreis4.1Vand4.2Vuniversal,suchasA&TB(Toshiba),domesticmanufacturersarebasically4.2V,butthereareexceptions,suchasTianjinforceGodis4.1V(butnowalsopress4.2V).5,the4.1V4.2Vwillbechargedtotheelectriccore:howcanmake
8、thebatterycapacity,feelingverygood,thestandbytimeincreased,butwillshortentheservicelifeofthebattery.Forexample,theoriginal500times,reduced