非煤矿山镍氢电池充电方案

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1、非煤矿山镍氢电池充电方案李豪、廖旭东成都普瑞玛电源技术有限责任公司，四川成都610092为给煤矿用镍氢电池单节保护设计方案提供技术参考，笔者给出日本Panasonic(松下)的镍氢电池充电方案，希望能给从事该技术的人员提供帮助和参考。鉴于对技术的严肃性，笔者尊重原著，以英文的方式给出。以下是全部内容：Chargeistheprocessofrestoringadischargedbatterytoitsoriginalcapacity。Inorderforabatterytobeusableforalongperi

2、odoftime，itmustbechargedviatheproperchargemethod。Variousmethodsareusedtochargerechargeablecells，butPanasonicrecommendsthechargemethodsdescribedbelowtochargeitsnickel-metalhydridebatteries。(1)Rapidchargecurrent：1CmA(rapidchargetemperaturerange：0°Cto40°C)。Inorde

3、rtoexercisepropercontroltostoprapidcharge，itisrecommendedthatbatteriesbechargedatover0.5CmAbutlessthan1CmA.Chargingbatteriesatacurrentinexcessof1CmAmaycausethesafetyventtobeactivatedbyariseintheinternalpressureofthebatteries，therebyresultinginelectrolyteleakag

4、e.Whenthetemperatureofthebatteriesisdetectedbyathermistororothertypeofsensor,andtheirtemperatureisunder0°Corover40°Catthecommencementofthecharge，thentricklecharge,ratherthanrapidcharge，mustbeperformed.Rapidchargeisstoppedwhenanyoneofthevaluesamongthetypesofcon

5、troldescribedin(4)，(5)，(6)，and(11)reachestheprescribedlevel。(2)Allowingahighcurrenttoflowtoexcessivelydischargedordeep-dischargedbatteriesduringchargemaymakeitimpossibletosufficientlyrestorethecapacityofthebatteries。Tochargeexcessivelydischargedordeep-discharg

6、edbatteries，firstallowatricklecurrenttoflow，andthenproceedwiththerapidchargecurrentoncethebatteryvoltagehasrisen。(3)Rapidchargestartvoltage：Approx.0.8V/cellRapidchargetransitionvoltagerestorationcurrent：0.2~0.3CmA。(4)Upperbatteryvoltagelimitcontrol:Approx.1.8V

7、/cell。Thechargemethodisswitchedovertotrickleifthebatteryvoltagereachesapproximately1.8V/cellduetotroubleormalfunctioningofsomekind。(5)△Vvalue:5to10mV/cell.Whenthebatteryvoltagedropsfromitspeakto5to10mV/cellduringrapidcharge,rapidchargeisstopped，andthechargemet

8、hodisswitchedovertotricklecharge。(6)dT/dtvalue:Approx.1to2°C/min.Whenariseinthebatterytemperatureperunittimeisdetectedbyathermistororothertypeoftemperaturesensorduringrapidcharge，a