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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
    View details
  • TAIYO YUDEN
    Lithium Ion Capacitors
    LITHOSION™
    Storage method
    View details
  • 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.
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Cylindrical Electric Double-Layer Capacitors
EDLC
Voltage operating temperature range 2.7–0V -40–70℃
2.3–0V -40–85℃
Electrostatic capacitance 2.4F to 20F
View TY-COMPAS
Cylindrical Lithium Ion Capacitors
LITHOSION™
Voltage operating temperature range 3.8–2.2V -30–70℃
3.5–2.5V -30–85℃
Electrostatic capacitance 20F to 270F
View TY-COMPAS
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