|
|
Home
Category: Site materials
Tuesday, 25 May 2010
Written by Alexander Shnaydruk
Hits: 29734
ULTRACAPACITOR APPLICATIONS
 |
Ultracapacitors play the important role as highly powered and effective energy sources widely demanded in various fields. The majority of the alternative energy sources lack the ability to combine both high output power and energy density - that fact results in necessity to increase the weight of the device. |
Comparison of the ultracapacitors with conventional capacitors, fuel cells, lithium-ion batteries and other energy storage technologies is shown on Ragone plot representing specific power versus specific energy relation.
Implementing ultracapacitor as the energy storage technology makes it possible to create new products and solutions with competitive properties, that were not available before with using other technologies. The examples of such products include high-power portable welding machines, start-stop systems for micro-hybrids, low-temperature combined starter batteries, kinetic energy recuperation systems (kers) with high efficiency, electrical blade control (pitch systems) in wind turbines, power supply elements in microsatellites etc.
TRANSPORT
Kinetic energy recuperation systems (kers), start-stop systems in micro-hybrids
|
 |
|
The transportation market is the most attractive segment for ultracapacitor manufacturers worldwide, in particular, automotive applications such as various on-board systems for hybrid electromobiles, kers, start stop systmes. In the same time, this segment is extremely demanding in terms of ultracapacitor performance, reliability and safety. Moreover, a great deal of resources and time has to be allocated when dealing with automotive applications due to most of such programs have long and sophisticated development cycles which take several years to output results. It is clear that this segment generally represents rather oligopolistic type of economy and, hence, only a few leading manufacturers have a real chance of becoming suppliers to large automaker companies.
The heavy hybrid market is already the most mature sector in the ultracapacitor market and continues to expand rapidly. The ultracapacitors function as energy storage for storing and reusing energy which comes from regenerative braking in hybrid buses and trucks. Ultracapacitors can be used both in onboard and stationary systems in this segment. Other opportunities here include cold starting of diesel engine for trucks and trains, emergency power to various subsystems etc.
 Mass Transit – buses, trams, commercial vehicles
Automotive – hybrid drivetrains, electrical systems, cold cranking, kers, start stop.
|
 |
INDUSTRY
Cranes, loaders, forklifts, robots, welding machines etc.
|
Industrial segment is characterized by a large versitility of applications. It includes vehicles such as forklifts, shovel trucks, agricultural machinery, and excavators. Large potential for ultracapacitor use in these vehicles is also stimulated by CO2 emission regulations imposed in various countries. This sector is characterized by a long design-in and testing periods.
|
ENERGY SUPPLY SYSTEMS
Power stabilizers, uninterruptible power supplies, smart grid systems etc.
|
 |
Industrial applications are primarily characterized by stationary stand–by applications where ultracapacitors are superior over other solutions due to outstanding power characteristics. This segment of the ultracapacitor market generally has somewhat shorter commercialization period compared to automotive market – from one to three years. Examples of industrial stand-by applications for ultracapacitors include emergency backup power to the pitch control system of wind turbine generators, power for memory backup, UPS and other short-term bridging power applications.
Power Grid – power stabilization, supporting Smart Grid
UPS – telecom backup stations, power quality and uninterruptible power
|
 |
CONSUMER ELECTRONICS
PDA, AMR, SSD, flashlights, toys, hand tools etc.
|
|
Consumer electronics segment of the market can be characterized as a market of opportunities. However, it has a lot of features making it quite different from industrial and automotive applications. It is costly and time-sensitive due to very short design-in times, the volumes of ultracapacitors are significant, product often requires customization according to versatile customer needs.
Consumer Electronics – memory backup, extending battery lifetime, data transmitting support
Tools – portable power applications
|
SPECIAL NICHES
Specialized technical equipment,
rigs, microsatellites etc.
|
 |
In addition to the major ultracapacitor market segments, specified above, there are also more specific niches for these energy storage devices. It includes versatile systems for military, medical and space applications.
Industrial and special applications – power quality and redundancy
|
 |
Ultracapacitors are not intended to replace the batteries because of their by far lower energy density. Instead, their major applications are due to their high power density and are related with the use of ultracapacitors in combined power supply units, in which an ultracapacitor module is connected in parallel with a battery. Due to load leveling the battery in such a combination, the ultracapacitor module can significantly expand the battery life and improve its safety. It is a well-known fact that these two characteristics are the main headache in practically all battery applications. As a result, ultracapacitors can effectively rush into the huge battery market. |
Category: Site materials
Monday, 22 November 2010
Written by Andrii Buvailo
Hits: 68645
ULTRACAPACITOR PRODUCT LINE
Yunasko is offering several families of supercapacitor products. According to the specifications and demands of your electrical system, we can offer Power, Energy or Hybrid cells, depending on whether your system needs more energy stored or high power pulse support, what are the requirements as to cycle life, efficiency, operating temperature range, etc. The modules of 16V and 48V can also be offered for testing. Some typical examples are listed in the Table below.
Сapacitance,
F or Ah |
Rated voltage,
V |
DC resistance,
mΩ
|
Energy density,
Wh/kg |
Power density,
(0.12U2/ESR×m),
kW/kg |
Weight,
kg |
POWER CELLS
|
400 F
|
2.7
|
0.25
|
4.8
|
41.0
|
0.085
|
1200 F
|
2.7
|
0.08
|
4.2
|
38.0
|
0.29
|
ENERGY CELLS
|
| 1200 F |
2.7 |
0.2 |
5.7 |
11.3 |
0.22 |
| 3000 F |
2.7 |
0.14 |
6.2 |
7.1 |
0.49 |
POWER MODULE
|
| 200 F |
16 |
0.6
|
2.3 |
16.5 |
3.1
|
ENERGY MODULE
|
| 13 F |
90 |
30 |
2.6 |
3.9 |
5.6 |
| 165 F |
48 |
3.1 |
3.9 |
3.7 |
13.5 |
| 500 F |
16 |
1.0 |
3.3 |
3.3 |
5.2 |
Download datasheets
YUNASKO Supercapacitor and hybrid cells are manufactured in special prismatic encasement made from multi-layered laminated aluminum foil. The prismatic design of the single cell enables us to optimize the mass and volume of modules, wherein single cells are stacked together. The ultracapacitor module is the end product that goes into the electrical system. Depending on the number of cells connected in series, the module can handle the voltage range from 2.7 V (single cell) up to 750 V – in large assemblies. The modules are equipped with a proprietary voltage balancing system.
YUNASKO 200F / 16V modules: a module comprises 6 carbon-carbon UC cells of 1200F each connected in series, enclosed in aluminium case; maximum working voltage is 16.2V; maximum withstanding voltage is 17.4V; dc pulse resistance is 0.5 mOhm; dc steady resistance is 1 mOhm; mass is 2.5 kg. Module is equipped with a voltage balancing system and temperature sensor.
* Please note that at this moment we are only able to supply a small amount of cells or modules due to limited production capacity by the Pilot Plant. Expansion of the production capabilities and large-scale distribution of the product is planned in 2015-2016.
Yunasko ultracapacitor cells have undertaken independent testing by internationally recognized institutions:
- Institute of Transportation Studies, University of California, Davis, USA
- Superlec, France
- Wayne State University, Detroit, USA
- JME, USA
- The E.O. Paton Electric Welding Institute (PEWI), Ukraine
At this moment, Yunasko ultracapacitors are considered to be the number-one among competitors in terms of specific power and energy characteristics.
Download datasheets
Category: Site materials
Thursday, 24 November 2011
Written by Andrii Buvailo
Hits: 38606
DEVELOPMENT OF LITHIUM-ION CAPACITORS
|
Yunasko developed a new product that is based on a novel approach to the hybridization of lithium-ion and ultracapacitor technologies altogether: Lithium-ion capacitor. While ultracapacitors are generally known for their great power density, their energy density is still too low for many applications. On the other hand, lithium-ion batteries, renowned for high energy density, are having difficulties to provide enough power in certain heavy-duty applications. In order to cover the gap between these technologies, Yunasko has developed a “lithium-ion capacitor” (LIC) that can offer both high energy and power densities, with the extended lifetime (10 000 – 20 000 cycles). |
Сapacitance,
F or Ah |
Rated voltage,
V |
DC resistance,
mΩ
|
Energy density,
Wh/kg |
Specific Power,
kW/kg |
Weight,
kg |
LITHIUM-ION CAPACITOR CELLS
|
| 1.3 Ah |
2.7 |
1.0 |
37 |
3.5 |
0.085 |
Download datasheets
Yunasko lithium-ion capacitors are available in prismatic cell design and can be assembled into modules of 15 – 450 Volts range. At this moment, we are looking for the technical partners who are interested to test our new lithium-ion capacitors in different applications. The results of these studies will help Yunasko to move further with commercialization and reach mass-scale production stage in 2015-2016.
The electrochemical design of lithium-ion capacitor is patent pending, as Yunasko developed special surface treatment and doping techniques to achieve an advanced performance. Widely spread commercially available materials, from both ultracapacitor and lithium ion industry, are being used in LIC devices.
Lithium-ion capacitors offer a value to a variety of applications, including mass-transit transport, industrial power supplies, smart-grid power modules, manufacturing equipment, and consumer electronics. The market demand is expected to grow substantially and reach $200 million in sale figure in 2015, which is still a fraction of the immense lithium ion market worldwide.
Download datasheets
Category: Site materials
Tuesday, 06 December 2011
Written by Andrii Buvailo
Hits: 7395
MARKET FOR YUNASKO
Market niches for YUNASKO ultracapacitors
The main strategic goal of YUNASKO is automotive market, including kinetic energy recuperation systems (KERS), start-stop systems for hybrid vehicles (HVs) etc.
YUNASKO ultracapacitors are a good solution when the following requirements are to be met:
High power is needed (together with relatively high energy)
High current provider is needed
Ultrafast charge/discharge operation mode is needed
Battery protection is needed when it is exposed to high peak loads and dynamic cycling conditions
The volume for enegy storage sysme is limited and it is critical to keep it as low as possible
The modules based on YUNASKO ultracapacitors have substantially lower weight and overall dimensions compared to those of competitors. The decrease in size also reflects in lower cost of our devices. In addition, because of the lowest ESR values, YUNASKO ultracapacitors can be successfully used in those types of applications, where the competing ultracapacitor-based solutions are unable to operate. For example, when certain power is required within limited weight or the total round-trip efficiency is to exceed 95%.
Examples of current applications for YUNASKO ultracapacitors
Battery Augmentation
Combination of YUNASKO ultracapacitors with stationary lead acid batteries in cars decreases the current loads on the battery by 4 times (from 380 to 100A). At the same time, starter current of the system increases up to 500 A in a wider range of temperatures, starting from -40oC. |
|
Welding Machine
Unique features of YUNASKO ultracapacitors made it possible to have developed new generation of welding devices for spot and stud welding (the project was conducted in collaboration with the E.O. Paton Electric Welding Institute)
|
 |
|
|
