(原电池).ppt

文档介绍：PrimaryBattery(原电池)?varietiesofelectricequipmentchemicalenergyelectricalenergyH2SO4(aq)PrimaryBattery(原电池)Zn–2e-=Zn2+2H++2e-=H2cathode(负极)oxidation(氧化反应)anode(正极)reduction(还原反应)PrimaryBatteryThedevicethatconvertschemicalenergytoelectricalenergy将化学能转化为电能的装置。。onditionsofformingprimarybattery:(形成条件)◆Twodifferentmetalstobetheelectrodes,.◆Thewholecircuitshouldbeclosed.◆doityourselfYouareprovidedwithcopperwires,magnesiumwires,?modernbatteryindustrydiscussionTobepractical,whatfeaturesthebatteriesshouldhave?Beabletoproduceastablecurrent.◆Theyshouldbesafe,convenienttocarry.◆Beusefulinspecialfield.◆Beeasytorecycle,notpollutingtheenvironment.◆ResearchsubjectbeforeclassInvestigatecategories,userange,properties,price,,andthevalueofrecyclingwastecells.