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Energy harvesting is the process by which ambient energy is captured and converted directly into electricity for small and mid-sized devices, such as autonomous wireless sensor nodes, consumer electronics and vehicles. Energy harvesting can make some devices self-sufficient and in other cases can improve the energy efficiency of the device.

Energy harvesting, otherwise known as power harvesting or energy scavenging, includes photovoltaics (energy from light), thermovoltaics (energy from heat), piezoelectrics (energy from movement), electrodynamics (energy from movement) and biological (energy from biological reactions), among others. It is enabling battery-free, maintenance-free devices.

In addition, new forms of energy storage are being developed which overcome previous technology limitations by being able to be recharged tens of thousands of times, accept lower input voltages and deliver charge more quickly. Electronics companies are also designing compatible ultra low power electronics.

Where energy harvesting competes with a battery, the higher up-front cost of an energy harvesting system over a conventional battery is offset by the reduction in maintenance when batteries in conventional devices fail. It enables wired switches to become wireless, saving installation and wiring cost. It is improving the efficiency of vehicles by capturing energy otherwise lost as heat or vibration.

Companies that seek to profit from this disruptive technology need to:

  • understand market requirements, or how the technology can be applied to their products
  • proven use cases and payback in different verticals
  • performance of each technology, roadmaps and their applicable markets
  • prioritize technical and commercial challenges to overcome
  • have clear quantification of the opportunity at each part of the supply chain and by market
  • identify and assess companies throughout the value chain for potential partnership, acquisition and customer/client collaboration
  • benchmark with successful (and failing) business models
  • stay appraised of latest global trends, what is coming next, and what it means with impartial insight

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Events

19 - 20 Nov 2014,
Santa Clara, CA, USA
Energy Harvesting & Storage USA 2014
19 - 20 Nov 2014,
Santa Clara, CA, USA
Supercapacitors USA 2014
28 - 29 Apr 2015,
Berlin, Germany
Graphene LIVE! Europe 2015
 

Topics covered by IDTechEx in Energy Harvesting

 
Enabling technologies... ...used in these devices... ...being exploited by these industries
  • Energy harvesters (Piezoelectric, thermoelectric, photovoltaic, electrodynamic, biological and more)
  • Ultra low power electronics
  • Power management
  • Device integration
  • Energy storage (Thin film batteries, supercapacitors)
  • Wireless power
  • Consumer electronics (cellphones, laptops, watches, toys)
  • Wireless Sensor Networks (WSN)
  • Real Time Locating Systems (RTLS), Active RFID
  • Wireless switches, monitoring systems
  • Vehicles (Regenerative braking, Kinetic Energy Recovery Systems (KERS), sensors)
  • Smart Buildings, smart grid, smart cities
  • Consumer Electronics
  • Transport & Logistics
  • Healthcare
  • Construction
  • Mobility: Land, Sea and Air
  • Aerospace and military
  • Agriculture and farming
  • Security and safety
 

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