Obviously not, since every battery manufacturer is working to eliminate it. Y'know what? You're a complete waste of time. It's not even worth correcting the dangerous mis-information you're spewing, because anyone reading this far can see your Shining Shield of Determined Ignorance allows you to completely ignore inconvenient facts. Which makes your retorts at best incoherent, at worst downright silly. I'm done here. Some people can't be helped.