Supercapaitor

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Supercapaitor

  1. 1. SUPER CAPACITORS BY H.SAHITHI VERMA
  2. 2. INTRODUCTION  WHAT IS SUPERCAPACITOR?  STORAGE DEVICE  CONSTRUCTIONAL FEATURES WITH RESPECT TO USUAL CAPACITORS  CHARGING ABILITY  RANGE  ENERGY DENSITY
  3. 3. INTERNAL STRUCTURE  3 LAYERS 2 POROUS CARBON ELECTRODE ELECTROLYTE
  4. 4. CLASSIFICATION OF SUPERCAPACITORS
  5. 5. CONSTRUCTIONAL FEATURES  MADE OF ALUMINUM  COATED WITH 100MM THICK  ACTIVATION OF CARBON  DOESN’T REACT CHEMICALLY
  6. 6. MODERN SUPERCAPACITOR  IMPLEMENTATION OF NANOTECHNOLOGY  REPLACEMENT OF ACTIVE CARBON USING NANOTUBES  SIZE OF NANOTUBE IS 5NM AND 100µM  NANOTUBES ARE VERTUCALLY GROWN
  7. 7. FEATURES  HIGH RATE OF CHARGING AND DISCHARGING  GOOD REVERSIBILITY  LOW TOXICITY OF MATERIALS USED  HIGH CYCLE EFFICIENCY(95% OR MORE)  HIGH STORAGE CAPACITY
  8. 8. ADVANTAGES HIGH POWER DENSITY LOW IMPEDANCE CAN NOT BE OVERCHARGED SIMPLE CHARGING METHODS
  9. 9. DISADVANTAGES  LIMITED USE OF FULL ENERGY SPECTURM  LOW ENERGY DENSITY  LOW VOLTAGE  HIGH SELF DISCHARGE  MANUAL CONTROL
  10. 10. APPLICATIONS  MILITARY PROJECT  STARTING DIESEL TRUCK  RAIL ROAD LOCOMOTIVES  ELECTRIC/HYBRID VEHICLIES FOR TRANSIENT LOAD LEVELING  REGENERATING THE ENERGY OF BRACKING  REPLACEMENT FOR BATTERIES  FUNCTION WELL IN LOW TEMPERTURE
  11. 11. TECHNOLOGY  CARBON NANOTUBES AND CERTAIN CONDUCTIVE POLYMERS OR CARBON AEROGELS ARE PRACTICAL FOR SUPERCAPACTIORS  CARBON NANOTUBES HAVE EXCELLENT NANOPOROSITY PROPERTIES ALLOWING TINY SPACES FOR THE POLYMER TO SIT IN THE TUBE AND ACT AS A DIELECTRIC
  12. 12. CONCLUSION  CAPACITANCE IS 2.6KF  WE CAN USE SUPERCAPACITIORS AS BATTERIES , NANTOXIC AND ECO-FRIENDLY

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