um, it is not easy to dispose of lead batteries "safely". In fact, there is no method currently to do so. Do you have a suggestion for how to do so? There's a

um, it is not easy to dispose of lead batteries "safely". In fact, there is no method currently to do so. Do you have a suggestion for how to do so? There's a reason it is illegal in most (all?) states to throw out a car battery[1]. Currently, over 98% of battery lead is recycled into new batteries[2]. This is about affording us the flexibility to put battery lead to other uses while still having it be largely recoverable. As for silicon vs. perovskite, did you miss the fact that a solar cell should be able to have both and show higher output than silicon alone? [1] http://c.ymcdn.com/sites/batterycouncil.org/resource/resmgr/Lead_Acid_Info/StateLeadAcidBatteryLawsPoin.pdf http://c.ymcdn.com/sites/batterycouncil.org/resource/resmgr/... [2] http://batterycouncil.org/?page=Battery_Recycling http://batterycouncil.org/?page=Battery_Recycling