Super-fast charging, long-lasting and cheap – aluminium batteries could be the answer to our battery woes. Scientists at Stanford University, in the US, have developed a new type of battery that offers a safe alternative to many lithium-ion and alkaline batteries in use today. One major benefit is ultra fast-charging. As anyone with a smartphone knows, it can takes ages to charge up a lithium-ion battery. But the Stanford team reported “unprecedented charging times” of one minute with the aluminium…