It is a reported accidental discovery aluminium yolks inside batteries will increase the lifespan of rechargeable batteries. It prevents a massive flaw in rechargeable batteries from taking affect and creating sustainable. The new lithium- ion battery which is more resistant to damages when batteries charge.
It keeps a strong charge and keeps the battery structure secure for longer. It must be stressed that it is still a lab experiment but at a low cost of research is an idea that is likely to catch on. With the method itself being quite simple experimenting on this ion is actually very low risk in terms of health and safety. Higher battery life is something many smartphone users will welcome.