Positioning of Power Storage Devices
The following figure shows the positioning of various Power Storage Devices based on the two indices of "power density" and "energy density."
ADVANTAGE
Advantages of Power Storage Devices
TAIYO YUDEN's Power Storage Devices possess power density, safety, and durability features that secondary batteries lack. The various advantages of "Electric Double-Layer Capacitors" are introduced below.
Broad operating temperature range
- High temperature lifetime
- Low temperature operation
Superior charging and discharging characteristics
- Maintenance-free
No rupturing or combustion due to an internal short
- High level of safety
CASE STUDY
Here are various cases where the advantages and features of TAIYO YUDEN's "Power Storage Devices" can be utilized as well as actual case studies.
Backup
Capacitors immediately supply power when the power is shut off from the main power source.
- Low resistance
- Long lifetime
Peak assist
Capacitors supply power when the power exceeds the capacity of the main power source.
- Low resistance
Battery replacement
Repeated charging and discharging enables the storage of even unstable power.
- Long lifetime
TECHNICAL INFORMATION
The following explains the characteristics of the Power Storage Devices while comparing them to other devices.
|
TAIYO YUDEN
Electric Double-Layer Capacitors Storage method
 |
Lithium Ion Batteries
Storage method
 |
|
|---|---|---|
| Internal resistance | Excellent Low |
Average High |
| Voltage Temperature range | 2.7 to 0V -40 to 70℃2.3 to 0V -40 to 85℃ |
to 4.3V -20 to 60℃ |
| Voltage / Volume | Average 1 |
Excellent 100 |
| Charging/discharging cycles | Excellent 100K+ Cycles |
Average 500–1K Cycles |
| Self‐discharge | Average | Excellent |
| Safety | Excellent | Average |
| Necessity of voltage monitoring | None | Required |
PRODUCT INFORMATION
Cylindrical Electric Double-Layer Capacitors
Electric Double Layer Capacitors
View DETAIL
View DETAIL
Voltage operating temperature range
2.7 to 0V -40 to 70℃
2.3 to 0V -40 to 85℃
Electrostatic capacitance
2.4 to 50F
MOVIE
An easy to understand explanation of TAIYO YUDEN's "Power Storage Devices."
Applications of Power Storage Devices providing momentary larger power
（104sec.）
