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Supercapacitors: 674 Products Found

We offer a selection of electric double-layer capacitors (EDLCs), lithium ion capacitors, and miscellaneous types.A supercapacitor is a double-layer capacitor that has very high capacitance but low voltage limits. Supercapacitors store more energy than electrolytic capacitors and they are rated in farads (F). Supercapacitors store electrical energy at an electrode–electrolyte interface. They consist of two metal plates, which only are coated with a porous material known as activated carbon. As a result, they have a bigger area for storing much more charge.The plates are immersed in an electrolyte made of positive and negative ions dissolved in a solvent. When a voltage is applied, two separate charged layers are produced on the surface with a small separation distance. This is why supercapacitors are often referred to as electric double-layer capacitors or EDLCs.A lithium-ion capacitor (LIC or LiC) is a hybrid type of capacitor classified as a type of supercapacitor. It is called a hybrid because the anode is the same as those used in lithium-ion batteries and the cathode is the same as those used in supercapacitors. Their manufacturing process and materials used allow a relatively high output voltage compared to other supercapacitors. Supercapacitors have many advantages:
  1. Long cycle lifetime—they can be cycled hundreds of thousands times with minimal change in performance.
  2. A supercapacitor’s lifetime spans 10 to 20 years, and the capacity might reduce from 100% to 80% after 10 or so years.
  3. Thanks to their low equivalent series resistance (ESR), supercapacitors provide high power density and high load currents to achieve almost instant charge in seconds.
  4. Temperature performance is also strong, delivering energy in temperatures as low as –40°C.

Supercapacitors vs lithium-ion batteries

A supercapacitor of a given weight cannot store nearly as much energy as a lithium-ion battery can. However, a supercapacitor can discharge far faster than a battery can.So while a supercapacitor (at present) cannot be used to power a car for hundreds of kilometres like a battery can, there are power application where a supercapacitor can serve.
  1. Supercapacitors are being used to power buses in Chinese cities, allowing about 15 km on one charge – and recharging takes about five minutes.
  2. Supercapacitors can also be used to power the robots used in automated warehouses. This is eminently practical because the robot will never be far from a point where it can be automatically recharged.
  3. Because wearable devices are designed to work with very low power, supercapacitors are a natural for their use in such applications.

Supercapacitor energy storage: how much charge can a supercapacitor hold?

A 1-farad capacitor can store one coulomb of charge at 1 volt. A coulomb is 6.25e18 (6.25 * 10^18, or 6.25 billion billion) electrons. One amp represents a rate of electron flow of 1 coulomb of electrons per second, so a 1-farad capacitor can hold 1 amp-second of electrons at 1 volt.
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2672972

RoHS

Each
1+
€ 21.970
30+
€ 21.340
60+
€ 19.460
120+
€ 17.330
270+
€ 16.940
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0.22F
11V
2777894

RoHS

Date/Lot Code

Each
1+
€ 3.640
10+
€ 2.490
50+
€ 2.280
100+
€ 2.090
500+
€ 1.720
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22000µF
5.5V
2696624

RoHS

Date/Lot Code

Each
1+
€ 19.100
3+
€ 16.660
5+
€ 16.090
10+
€ 15.510
20+
€ 14.400
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400F
2.7V
2856945

RoHS

Date/Lot Code

Each
1+
€ 5.380
10+
€ 4.110
25+
€ 3.850
50+
€ 3.590
100+
€ 3.330
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0.33F
8.1V
2777879

RoHS

Date/Lot Code

Each
1+
€ 2.150
10+
€ 1.480
50+
€ 1.350
100+
€ 1.130
500+
€ 0.896
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0.1F
3.5V
2930856

RoHS

Date/Lot Code

Each
1+
€ 4.660
5+
€ 4.140
10+
€ 3.610
25+
€ 3.160
50+
€ 2.710
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25F
3V
2362056

RoHS

Each
1+
€ 7.440
10+
€ 5.310
90+
€ 4.610
180+
€ 4.400
540+
€ 4.180
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2.2F
5.5V
2856951

RoHS

Date/Lot Code

Each
1+
€ 3.780
5+
€ 3.700
0.33F
8.1V
2777871

RoHS

Each
1+
€ 2.570
10+
€ 1.750
50+
€ 1.430
100+
€ 1.210
500+
€ 1.110
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22000µF
5.5V
2708909

RoHS

Each (Supplied on Cut Tape)
Cut Tape
Packaging Options
1+
€ 9.390
10+
€ 7.630
50+
€ 6.530
150+
€ 5.130
600+
€ 5.100
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1F
5.5V
2777870

RoHS

Date/Lot Code

Each
1+
€ 2.420
10+
€ 1.630
50+
€ 1.390
100+
€ 1.170
500+
€ 1.080
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10000µF
5.5V
3289057

RoHS

Date/Lot Code

Each
1+
€ 4.700
10+
€ 3.590
50+
€ 3.130
100+
€ 2.910
200+
€ 2.710
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2.5F
5.5V
3288135

RoHS

Date/Lot Code

Each
1+
€ 4.760
10+
€ 3.690
25+
€ 3.520
50+
€ 3.350
100+
€ 2.760
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25F
3V
2362080

RoHS

Date/Lot Code

Each
1+
€ 2.330
10+
€ 1.590
50+
€ 1.410
100+
€ 1.170
500+
€ 0.995
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10000µF
5.5V
2362075

RoHS

Date/Lot Code

Each
1+
€ 10.800
10+
€ 8.550
50+
€ 7.880
100+
€ 6.840
500+
€ 6.200
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2.2F
5.5V
2522666

RoHS

Each
1+
€ 8.340
10+
€ 6.400
50+
€ 5.610
100+
€ 5.600
200+
€ 5.490
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4F
5.6V
2856943

RoHS

Date/Lot Code

Each
1+
€ 5.690
10+
€ 4.350
25+
€ 4.070
50+
€ 3.790
100+
€ 3.520
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1.5F
5.5V
3288128

RoHS

Each
1+
€ 4.320
10+
€ 2.820
50+
€ 2.680
100+
€ 2.440
200+
€ 1.990
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8F
3V
2362064

RoHS

Each
1+
€ 3.430
10+
€ 2.120
50+
€ 2.050
100+
€ 1.870
600+
€ 1.310
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0.1F
5.5V
2777878

RoHS

Date/Lot Code

Each
1+
€ 1.490
10+
€ 1.070
50+
€ 0.927
100+
€ 0.768
500+
€ 0.707
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47000µF
3.5V
2777876

RoHS

Date/Lot Code

Each
1+
€ 2.520
10+
€ 1.730
50+
€ 1.580
100+
€ 1.310
500+
€ 1.050
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10000µF
5.5V
2777868

RoHS

Each
1+
€ 3.800
10+
€ 3.330
50+
€ 2.760
400+
€ 2.470
800+
€ 2.420
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47000µF
5.5V
3288127

RoHS

Each
1+
€ 1.630
10+
€ 1.430
50+
€ 1.180
7F
3V
3288138

RoHS

Date/Lot Code

Each
1+
€ 4.100
5+
€ 3.580
10+
€ 3.330
20+
€ 3.160
40+
€ 3.040
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35F
3V
2148512

RoHS

Each
1+
€ 9.530
5+
€ 9.140
10+
€ 8.750
20+
€ 8.660
40+
€ 8.570
More Pricing...
1.5F
5.4V
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