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SUMMARY:Piezoelectric nanogenerators: Power solutions for autonomous devic
 es - Dr Sohini Kar-Narayan\, Lecturer Department of Materials Science
DTSTART:20150521T150000Z
DTEND:20150521T160000Z
UID:TALK59076@talks.cam.ac.uk
CONTACT:Nalin Patel
DESCRIPTION:A Winton teatime discussion hosted by Dr Sohini Kar-Narayan\, 
 Lecturer at the Materials Department\, on energy harvesting.  There will b
 e a short presentation followed by an informal discussion.\n\nAbstract:Har
 vesting energy from ambient sources in our environment has generated treme
 ndous interest as it offers a fundamental energy solution for small-power 
 applications including\, but not limited to\, ubiquitous wireless sensor n
 odes\, portable\, flexible and wearable electronics\, biomedical implants 
 and structural/environmental monitoring devices. As an example\, consider 
 that the number of smart devices linking everyday objects via the internet
  is estimated to grow to 50 billion by the year 2020. Most of these “Int
 ernet of Things” (IoT) devices will be extraordinarily small and in many
  cases embedded\, and will wirelessly provide useful data that will make o
 ur lives easier\, better and more energy-efficient. The only sustainable w
 ay to power them is using ambient energy harvesting that lasts through the
  product lifetime. In this context\, energy harvesting from ambient vibrat
 ions is particularly attractive\, as these are ever-present and easily acc
 essible\, originating from sources such as moving parts of machines\, flui
 d flow and even body movements. Nanoscale piezoelectric energy harvesters\
 , or nanogenerators\, are capable of converting ambient vibrations that ar
 e typically small into electrical energy\, thus paving the way for the rea
 lization of the next generation of self-powered devices\, with profound im
 plications in far-reaching areas such as smart-city planning\, health\, bi
 omedicine\, robotics\, environmental and structural monitoring\, resource 
 management and sustainable development.\n\nBio:Sohini Kar-Narayan is a Uni
 versity Lecturer in the Department of Materials Science leading a research
  group with interests in materials for energy harvesting and sensors. She 
 was awarded an ERC Starting Grant in 2014 and a Royal Society Dorothy Hodg
 kin Fellowship in 2011.\n\n
LOCATION:TCM Seminar room\, 530 Mott
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