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Issue 05/2017

Self-powering the internet of things

Harnessing ambient energy sources is critical to the rollout of the internet of things in industry

The rapidly growing number of connected devices that form the backbone of the internet of things must become self-powered. The US research and advisory company Gartner, Inc. forecasts that 8,4 billion connected things will be in use worldwide in 2017, up 31% from 2016, and will reach 20,4 billion by 2020. Powering these with batteries or by connecting them to power networks would be totally impractical, even impossible.

Issue 05/2015

Non-stop energy harvesting

Energy harvesting is developing fast, supporting innumerable applications and devices

There is a rapidly increasing range of applications using energy harvesting (EH), the process of collecting low-grade energy from sources such as ambient or waste heat, solar, thermal and kinetic energy and converting it into electrical energy. The increase is driven by the need to enable an ever expanding range of sensors to run and communicate independent of an external power source and by the need to meet the power requirements of a wide variety of mobile and wearable devices. It is seen as one of the main techniques that will allow the Internet of Things (IoT) to develop.