简介:ResearchersatStockholmUniversityhavedevelopedamethodtomultiplythelifespanofnickel-metalhydridebatteries.Thismeansthatthebatteriescanhandleagreatmanymorechargingcycleswithoutlosingcapacity.Thenewmethodalsomeansthatthebatteriescaneasilyberestoredoncetheyhavebeguntowearout,unlikeotherrechargeablebatteriesthatmustbemelteddownforrecycling.