If lithium ion batteries have revolutionized the consumer electronics market with their high-power, low-weight features, zinc could be set to revolutionize the “wearable” electronics market. Firstly, why would lithium ion not meet this demand? Indeed, the Nike Fuelband worn on the wrist does just that, but because of lithium’s reactivity with air and water it has to be encased in a protective shell, making it rigid and more bulky than it needs to be. Read more...