The document discusses batteries and supercapacitors. It describes how batteries store chemical energy through electrochemical reactions while supercapacitors store electrical energy via physical separation of charges. Some key advantages of supercapacitors over batteries are their ability to charge and discharge quickly, operate over a wide voltage range, and withstand many charge/discharge cycles. The document outlines different types of supercapacitors and their construction, parameters for rating them, and areas of application such as electrical vehicles and backup power systems.
Electric energy storage requirements are fulfilled mainly by battery and conventional capacitors. Double layer capacitor or supercapacitor is latest addition to it. Electric double-layer capacitors, also known as supercapacitors,electrochemical double layer capacitors (EDLCs), or ultracapacitors, are electrochemical capacitors that have an unusually high energy density when compared to common capacitors, typically on the order of thousands of timesgreater than a high capacity electrolytic capacitor.
Electric energy storage requirements are fulfilled mainly by battery and conventional capacitors. Double layer capacitor or supercapacitor is latest addition to it. Electric double-layer capacitors, also known as supercapacitors,electrochemical double layer capacitors (EDLCs), or ultracapacitors, are electrochemical capacitors that have an unusually high energy density when compared to common capacitors, typically on the order of thousands of timesgreater than a high capacity electrolytic capacitor.
Supercapacitors (Ultracapacitor) : Energy Problem Solver,Amit Soni
Capacitor, Basic design and terminology, Supercapacitor, History of Supercapacitor
Classification of Supercapacitors, Electrical Double layer capacitors,Pseudocapacitor
Hybrid Capacitor, Basic Design, Construction, Working , Technology used, Why these substances used ?, Features, Comparison, Applications , Advantages & Disadvantages
state of art materials, comparison with batteries, fuel cells, applications
Super Capacitor by NITIN GUPTA
NITIN GUPTA,CEO/FOUNDER/OWNER at "TECH POINT"
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The transportation industry continues to adopt more supercapacitors into their designs each year. Advantages in power density, cold temperature performance, and lifetime make them suitable for accompanying or replacing a battery bank.
This presentation introduces what a supercapacitor is (it isn't just a big capacitor!), some characteristics to consider, and two applications of ELDCs.
This paper was presented by KEMET at the 2015 Applied Power Electronic Conference in Charlotte, NC.
A presentation as a part of coursework on Ultracapacitors, the modern electric energy storage devices with very high capacity and a low internal resistance.
Supercapacitors (Ultracapacitor) : Energy Problem Solver,Amit Soni
Capacitor, Basic design and terminology, Supercapacitor, History of Supercapacitor
Classification of Supercapacitors, Electrical Double layer capacitors,Pseudocapacitor
Hybrid Capacitor, Basic Design, Construction, Working , Technology used, Why these substances used ?, Features, Comparison, Applications , Advantages & Disadvantages
state of art materials, comparison with batteries, fuel cells, applications
Super Capacitor by NITIN GUPTA
NITIN GUPTA,CEO/FOUNDER/OWNER at "TECH POINT"
Here's Channel Link
PLEASE SUBSCRIBE Our channel TECH POINT ..
FOLLOW US ON TWITTER:https://twitter.com/Nitin_TECHPOINT
Follow us on Facebook:https://www.facebook.com/NitinGupta1054.Official.PSIT
Follow us on Instagram:https://www.instagram.com/nitingupta_official
SUBSCRIBE Our channel:https://www.youtube.com/channel/UCj3XVydYG3oPVJeZscU4NIg?sub_confirmation=1
The transportation industry continues to adopt more supercapacitors into their designs each year. Advantages in power density, cold temperature performance, and lifetime make them suitable for accompanying or replacing a battery bank.
This presentation introduces what a supercapacitor is (it isn't just a big capacitor!), some characteristics to consider, and two applications of ELDCs.
This paper was presented by KEMET at the 2015 Applied Power Electronic Conference in Charlotte, NC.
A presentation as a part of coursework on Ultracapacitors, the modern electric energy storage devices with very high capacity and a low internal resistance.
Supercapacitors offer a promising alternative approach to meeting the increasing power demands of energy storage systems and electronic devices. With their high power density, ability to perform in extreme temperatures, and millions of charge-recharge cycle capabilities, supercapacitors can increase circuit performance and prolong the life of batteries. This can add value to the end-product and ultimately reduce the costs to the customer by reducing the amount of batteries needed and the frequency of the replacement of the batteries, which adds greatly to the environmental friendliness of the end-product as well.
This is small Power point presentation about different types of capacitors. It deals with different applications of different capacitors.This ppt has some important classification of different capacitors
Activated carbon is a form of carbon processed to be riddled with small, low-volume pores that increase the surface area available for adsorption or chemical reactions.
Supercapacitor is latest addition to it. Electric double-layer capacitors, also known as supercapacitors,electrochemical double layer capacitors (EDLCs), or ultracapacitors, are electrochemical capacitors that have an unusually high energy density whencompared to common capacitors, typically on the order of thousands of timesgreater than a high capacity electrolytic capacitor.
Contents of this presenation entitled 'Introduction of different Energy storage systems used in Electric & Hybrid vehicles' is useful for beginners and students
(Received from CECRI; CSIR-Council of Scientific & Industrial Research; SERC-Structural Engineering Research Centre; CECRI-Central Electrochemical Research Institute)
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2. BATTERYBATTERYBATTERYBATTERY
Electrode materialsElectrode materials
react electrochemicallyreact electrochemically
with the ions required inwith the ions required in
the reaction to bethe reaction to be
transferred throughtransferred through
electrolyte in which theelectrolyte in which the
electrodes are immersedelectrodes are immersed
Energy storage capacityEnergy storage capacity
is given by Ah or Whis given by Ah or Wh
3. SHORTCOMINGSSHORTCOMINGS
OF BATTERIESOF BATTERIES
SHORTCOMINGSSHORTCOMINGS
OF BATTERIESOF BATTERIES
CostCost
MaintenanceMaintenance
Shelf and working lifeShelf and working life
Weight and sizeWeight and size
Large number ofLarge number of
battery conditioningbattery conditioning
parametersparameters
4. PEAK POWERPEAK POWER
REQUIREMENT WHEREREQUIREMENT WHERE
BATTERY AND CAPACITORBATTERY AND CAPACITOR
HAS PROBLEMSHAS PROBLEMS
PEAK POWERPEAK POWER
REQUIREMENT WHEREREQUIREMENT WHERE
BATTERY AND CAPACITORBATTERY AND CAPACITOR
HAS PROBLEMSHAS PROBLEMS
Starting of any DC MotorStarting of any DC Motor
Generator-Motor setsGenerator-Motor sets
CamerasCameras
Audio Video devicesAudio Video devices
SUPERCAPACITOR CAN BE USED TOSUPERCAPACITOR CAN BE USED TO
FULFILLFULFILL
PEAK POWER REQUIREMENTSPEAK POWER REQUIREMENTS
Starting of any DC MotorStarting of any DC Motor
Generator-Motor setsGenerator-Motor sets
CamerasCameras
Audio Video devicesAudio Video devices
SUPERCAPACITOR CAN BE USED TOSUPERCAPACITOR CAN BE USED TO
FULFILLFULFILL
PEAK POWER REQUIREMENTSPEAK POWER REQUIREMENTS
5. EDLC Stores Energy in the Form of Electrostatic Charges byEDLC Stores Energy in the Form of Electrostatic Charges by
Polarizing an Electrolyte Solution. There Is No ChemicalPolarizing an Electrolyte Solution. There Is No Chemical
Reaction Involved in Its Mechanism Which Is ReversibleReaction Involved in Its Mechanism Which Is Reversible
STORES GREATER AMOUNT OF ENERGYSTORES GREATER AMOUNT OF ENERGYSTORES GREATER AMOUNT OF ENERGYSTORES GREATER AMOUNT OF ENERGY
EXTREMELY EFFICIENTEXTREMELY EFFICIENT
8. COMPARATIVE STUDYCOMPARATIVE STUDY
EDLCEDLC
Operates within its anyOperates within its any
voltage rangevoltage range
Can be stored in charged/Can be stored in charged/
discharged statedischarged state
It can completelyIt can completely
dischargedischarge
Stores less energyStores less energy
It can deliver frequentIt can deliver frequent
power pulsespower pulses
It can charge very fastIt can charge very fast
It can recycle thousandIt can recycle thousand
timestimes
EDLCEDLC
Operates within its anyOperates within its any
voltage rangevoltage range
Can be stored in charged/Can be stored in charged/
discharged statedischarged state
It can completelyIt can completely
dischargedischarge
Stores less energyStores less energy
It can deliver frequentIt can deliver frequent
power pulsespower pulses
It can charge very fastIt can charge very fast
It can recycle thousandIt can recycle thousand
timestimes
BatteryBattery
Operates with narrow range ofOperates with narrow range of
voltagevoltage
Storage is problem in anyStorage is problem in any
statestate
Over discharging can damageOver discharging can damage
itit
Stores more energyStores more energy
Life gets affected due to highLife gets affected due to high
power pulsespower pulses
Fast charging can damage itFast charging can damage it
It can recycle few hundredIt can recycle few hundred
timestimes
BatteryBattery
Operates with narrow range ofOperates with narrow range of
voltagevoltage
Storage is problem in anyStorage is problem in any
statestate
Over discharging can damageOver discharging can damage
itit
Stores more energyStores more energy
Life gets affected due to highLife gets affected due to high
power pulsespower pulses
Fast charging can damage itFast charging can damage it
It can recycle few hundredIt can recycle few hundred
timestimes
10.
Two Electrodes of porous carbon material in the electrolyte withTwo Electrodes of porous carbon material in the electrolyte with
separator.separator.
Porous carbon gives very high surface area of the order of 1500Sq. m perPorous carbon gives very high surface area of the order of 1500Sq. m per
gram.gram.
High surface area gives very high capacitance.High surface area gives very high capacitance.
Two Electrodes of porous carbon material in the electrolyte withTwo Electrodes of porous carbon material in the electrolyte with
separator.separator.
Porous carbon gives very high surface area of the order of 1500Sq. m perPorous carbon gives very high surface area of the order of 1500Sq. m per
gram.gram.
High surface area gives very high capacitance.High surface area gives very high capacitance.
11. EDLC CONSTRUCTIONEDLC CONSTRUCTION
The functional components of a supercapacitorThe functional components of a supercapacitor
Electrodes, Electrolyte and SeparatorElectrodes, Electrolyte and Separator
Surface properties -Surface properties - Significant impact on specificSignificant impact on specific
capacitancecapacitance
Aqueous electrolytes-Aqueous electrolytes- Better conductivity thanBetter conductivity than
organic electrolytesorganic electrolytes
LOW BREAKDOWN VOLTAGELOW BREAKDOWN VOLTAGE
The properties of the separator.The properties of the separator.
12. PARAMETERS FORPARAMETERS FOR
DECIDING RATING OFDECIDING RATING OF
EDLCEDLC
Maximum operating voltage(1 toMaximum operating voltage(1 to
5.0V)5.0V)
Power/ Current (series parallelPower/ Current (series parallel
connections)connections)
Minimum operating voltageMinimum operating voltage
Duration of dischargeDuration of discharge
Repetition rateRepetition rate
(life and thermal issues)(life and thermal issues)
Maximum operating voltage(1 toMaximum operating voltage(1 to
5.0V)5.0V)
Power/ Current (series parallelPower/ Current (series parallel
connections)connections)
Minimum operating voltageMinimum operating voltage
Duration of dischargeDuration of discharge
Repetition rateRepetition rate
(life and thermal issues)(life and thermal issues)
13. EFFECTIVEEFFECTIVE
CAPACITANCECAPACITANCE
Pseudocapacitance- Arises fromPseudocapacitance- Arises from
reversible Faradic reactionreversible Faradic reaction
Charge transfer reaction - voltageCharge transfer reaction - voltage
dependentdependent
High value of specific capacitance -High value of specific capacitance -
Result of Double Layer CapacitanceResult of Double Layer Capacitance
Presence of high surface area materialPresence of high surface area material
due to charge separation taking placedue to charge separation taking place
at atomic levelat atomic level
14. A battery subjected to a pulsed
current without Supercapacitor
A battery subjected to a pulsed
current with a supercapacitor
15. PROBLEMS INPROBLEMS IN
MANUFACTURINGMANUFACTURING
Packaging
Inter-electrode connection
Ventilation
Leakage of electrolyte
Formation of multi-electrode multi cell unit
Keeping minimum contact resistance to meet
power density
Packaging
Inter-electrode connection
Ventilation
Leakage of electrolyte
Formation of multi-electrode multi cell unit
Keeping minimum contact resistance to meet
power density
16. AREAS OFAREAS OF
APPLICATIONS OFAPPLICATIONS OF
EDLCEDLC
Quick charge application- charging in sec andQuick charge application- charging in sec and
discharging in minutes( power tools and toys )discharging in minutes( power tools and toys )
Electrical Vehicles (starting).Electrical Vehicles (starting).
Short term support for uninterrupted powerShort term support for uninterrupted power
system with generator backupsystem with generator backup
Solar array (Energy rich , power poor source )Solar array (Energy rich , power poor source )
Supporting power buses while switchingSupporting power buses while switching
Computer memory backups- low current longComputer memory backups- low current long
duration requirementsduration requirements