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POWER YOUR DEVICE WHILE WALKING OR CHEWING





Chatting  on  phone  drains  its  battery,  but  in  future  ,all  the  talk  time    could  actually  be  used   to  boosts   its   power.
Researchers    from  Canada    have  created  a  chin  strap  that harvest  energy  from   jaw  movements    including  talking  and  chewing
It    is  hoped that  the  device    could  be  used   to  power  electronic   devices   such  as   hearing  aids  , cochlear   implants,  and  even  phones .
The  chin strap   is   made  from     a   smart  material     known  as    PFC    ,PFC  is    a  type  of     piezoelectric    material   made  of    integrated    electrodes  ,  and  an   adhesive  polymer     matrix.
The  material  is  able  to  produce   an  electric  charge   when  it   stretches  and  is  subjected  to    mechanical  stress.
In  their   study   researchers ,  from Sonomax-ETS  Industrial  Research  Chair  in  In -ear Technologies (CRITIAS) in Montreal,    Canada , created  an  energy  harvesting    strap  made   from  a  single  layer  of  PFC  and  attach  it  to   a  pair  of  ear  muffs   using  a  pair  of  elastic  side  straps .
To   ensure   maximum  performance ,  the  chin  strap  was  fitted  snugly   to  the  user , so  when  the  use's  jaw moved  it   caused the  strap    stretch .
Jaw  movements   proved  to  be   one  of  the   most  promising   candidates  for  generating  power ,electricity   from    human  body  movement , with  researchers   estimating   that  an  average    of  around   seven   micro watt  of power   could  be  generated    from  chewing   during  meals  alone.
To  test  the  performance  of  the   device  ,the   subject  was  asked to  chew gum for  60  sec    while  wearing   the  head -mounted  device .
The  maximum   amount  of  power   that  could  be  harvested   from  the  jaw  movement  was  around  18  megawatt , but  researchers  claim that  a  realistic  be  output   is  closer  to  10  micro watts.
This  is  still  a  fraction  of  energy   used  in  a  typical  phone charger ,  which  use  between  10   to  16  watt  per day-  but the strap  is  still  in an  experimental   phase.
To  sum up  -
  • The  chin  strap  is  made  from a  smart  piezoelectric  material   known  as  PFC .
  • PFC  is  made  up of   integrated  electrodes   and  adhesive  polymers.
  • It   produce  electric  charge  when  stretches   and  is  subjected  to  stress.
  • The  maximum   amount  of power   harvested    was  18  micro-watts

  • But  researchers     are  working   on  increasing  this   output  significantly.
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