“A new 3-D printed thermoelectric device, which converts heat into electric power with an efficiency factor over 50% higher than the previous best for printed materials – and is cheap to produce in bulk – has been manufactured by researchers at Swansea University’s SPECIFIC Innovation and Knowledge Centre.
Around one-sixth of all the energy used by industry in the UK currently ends up as waste heat, emitted into the atmosphere. Harnessing this to create electricity could be a huge step forward in helping industry cut its energy bills and reduce its carbon footprint…”
For More: https://www.ecnmag.com/news/2019/06/pioneering-3d-printed-device-sets-new-record-efficiency