TAIYO YUDEN's "Power Storage Devices (Capacitors)" include "Electric Double-Layer Capacitors" and "Lithium Ion Capacitors". These state-of-the-art power storage devices have superior durability as it relates to repeated charging and discharging operations. Our products enable a long life and a broad operating temperature range. TAIYO YUDEN is fully committed to the development of these devices with a focus on automotive and industrial equipment applications using the slogan "high temperature reliability and high safety".
Introductory Video
An easy to understand explanation of TAIYO YUDEN's "Power Storage Devices."
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."
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" and "Lithium Ion Capacitors" are introduced below.
Electric Double-Layer Capacitors
-40℃–70℃
Lithium Ion Capacitors
-35℃–85℃
Broad operating temperature range
High temperature lifetime
Low temperature operation
Superior charging and discharging characteristics
Maintenance-free
Nail penetration test:
Does not emit smoke or fire even when pierced with a nail.
No rupturing or combustion due to an internal short
High level of safety
Technical Information
The following explains the characteristics of the Power Storage Devices while comparing them to other devices.
TAIYO YUDEN
Electric Double-Layer Capacitors
EDLC
Storage method
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TAIYO YUDEN
Lithium Ion Capacitors
LITHOSION
Storage method
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Lithium Ion Batteries
LIB
Storage method
Internal resistance
Low
Medium
High
Voltage
Temperature range
2.7–0V
-40–70℃
2.3–0V
-40–85℃
3.5–2.5V
-30–85℃
3.8–2.2V
-30–70℃
to 4.3V
-20–60℃
Voltage / Volume
1
2 to 3
100
Charging/discharging
cycles
100K+ Cycles
10K+ Cycles
500–1K Cycles
Self‐discharge
Safety
Necessity of voltage monitoring
None
Required
Required
Advantages of Power Storage Devices
Learn more about the internal resistance, charging and discharging cycles, and safety.
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Power Storage Devices technical information
Learn more about the principles behind capacitors and the self‐discharge characteristics.
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Case Studies
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
Product Information
Product Chart
Select products based on the size, performance, low voltage, and other applications.