Imprint Energy, a California-based start-up, has developed a cheap zinc-polymer based battery (called ZincPoly™) that is in the form of a sheet than can be easily printed via a screen printer. It’s paper thin flexibility means that wearables (or any small device) could have thinner form factors compared to today’s bulkier presentations that are limited by the chunkiness of lithium-ion batteries.
get ready for a wave of dangerous homemade fire hazards people.