Many devices we use daily rely either on batteries that we need to replace more or less often. Beside the economical cost, this is a source of toxic waste. Using rechargeable batteries does not help much. Rechargeables are more expensive, and they eventually die and go to waste.There are some possibilities to recycle batteries. Still, recycling is not 100% perfect. There is always waste generated. Besides nasty chemicals, CO2 is emitted by the recycling process, contributing to climate change. This ...