asteroza + capacitor   40

Another “missing” component could revolutionize electronics - MIT Technology Review
New work on the trancitor, an oddball circuit analog to the memristor that's sorta like a transistor and a capacitor
IC  curcuit  fundamentals  trancitor  transistor  capacitor  research  technology  memristor 
may 2018 by asteroza
SuperCapacitor Materials | Developing a New Generation of Supercapacitors
Apparently these guys have a new supercapacitor/ultracapcitor polymer and metal electrode material with very high performance (11-20 F/cm2), Potentially equaling Li-ion batteries in energy density. Has some self discharge issues though...
energy  storage  materials  science  research  technology  capacitor  supercapacitor  ultracapacitor 
march 2018 by asteroza
Optical detection of radio waves through a nanomechanical transducer : Nature : Nature Research
Use a membrane as part of a resonant capacitor circuit to receive a specific frequency, detect activity by laser sensing membrane movement.
nanomechanical  transducer  capacitor  laser  RF  receiver  low  noise  optoelectromechanical  sensor  membrane 
september 2017 by asteroza
Self-powered textile for wearable electronics by hybridizing fiber-shaped nanoge...
Interesting hybrid fabric, made up 3 kinds of fibers/thread: dye sensitized solar cells, triboelectric electrostatic generators, and supercaps.
triboelectric  electrostatic  power  generator  dye  sensitized  solar  cell  supercapacitor  capacitor  hybrid  fabric  fiber  textile  materials  science  research  technology  wearable  energy  storage  Delicious 
october 2016 by asteroza
Preparation of energy storage material derived from a used cigarette filter for a supercapacitor electrode - Abstract - Nanotechnology - IOPscience
So it seems that used cigarette butts reduced via pyrolysis to a dense carbon foam doped with nitrogen,beat commercial carbon used for supercaps and possibly going toe-to-toe with CNT/graphene.
nitrogen  doped  mesoporous  microporous  hybrid  carbon  materials  science  research  technology  porous  supercapacitor  capacitor  structure  NCF  pyrolysis  cellulose  acetate  fiber  foam  sponge  cigarette  butt  filter  Delicious 
august 2014 by asteroza
Spray On Kit
Apparently this is the real deal, a nanoparticle/nanocapacitor suspension paint. A spray on paint kit to create either a conformal antenna or to enhance an existing antenna. They painted a tree and were able to send VHF signals 14 miles. Boosting existing antennas is anywhere from 10% to 40% (40% was 20dBm for an iPhone 3 test). The videos also talk about potential uses in other EMF applications, such as (?AC) electric motor windings.
surface  aftermarket  spray  coating  antenna  booster  paint  conformal  military  communications  technology  iPhone  kit  nanoparticle  particle  suspension  colloid  capacitor  nanocapacitor  materials  science  research  nanotechnology  Delicious 
february 2012 by asteroza
High-performance Li-ion Capacitor Developed With CNT, Lithium Titanate -- Tech-On!
Interesting use of a ultracentrifuge to meld lithium titanate with a carbon nanotube (is this a kind of mechanical doping?)
lithium  titanate  ultracapacitor  capacitor  carbon  nanotube  hybrid  electrode  materials  science  research  technology  nanotechnology  ultracentrifuge  composite  sheet  Delicious 
april 2010 by asteroza
UK Reports Progress to Electric Armor Enhancement to Tanks To Counter Rocket Propelled Grenades
Using localized short circuited supercapacitors to shield against plasma jet shaped charges and RPG's. Other option is to use a non-uniform surface (via a hole pattern) to forcibly tumble projectiles, losing their effectiveness.
defense  electric  supercapacitor  capacitor  plasma  shaped  charge  RPG  shield  super  bainite  armor  hole  military  Delicious 
march 2010 by asteroza
Using an ultrasonic liquid metal mixer, these guys supposedly are making a barium titanate ultracap that could go toe to toe with EESTOR, because they can make a fancy metal alloy
barium  titanate  supercapacitor  ultracapacitor  capacitor  high  power  density  hardware  electronics  devices  energy  research  Delicious 
october 2009 by asteroza

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