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Lithium Ion Capacitors suit server backup power sources.

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Press Release Summary:

March 10, 2014 - Combining strength of lithium-ion secondary batteries with Electric Double Layer Capacitors, Cylindrical Lithium Ion Capacitors provide max rated voltage of 3.8 V and come in 4 capacitances of 40, 100, 200, and 270 F. Units have no risk of thermal runaway, and have extremely low self discharge, even in high heat environments. Operating from -25 to +70°C, devices utilize Lithium Pre-Dope technology, which stores lithium ions at negative electrode in advance, maximizing energy efficiency.

Taiyo Yuden (USA), Inc.

1930 N. Thoreau Dr., Suite 190, Schaumburg, IL, 60173, USA

Original Press Release

Taiyo Yuden Extremely Reliable Lithium Ion Capacitors - Ideal for Server Backup Power Sources

Press release date: February 27, 2014

TAIYO YUDEN Offers Lithium Ion Capacitors with Long Life and High Temperature Reliability

Schaumburg, IL – TAIYO YUDEN (U.S.A.) INC.’s new Cylindrical Lithium Ion Capacitor (LIC) offers extremely large energy density and high reliability. Combining the strength of lithium-ion secondary batteries with conventional Electric Double Layer Capacitors (EDLC), this next-generation energy device offers an energy density 4 times greater than EDLCs.

Taiyo Yuden’s hybrid LIC boasts the key features of batteries (high voltage and high energy) while maintaining the traditional characteristics of capacitors (rapid charge/discharge, high durability, safety and environmental friendliness). Unlike batteries, LICs have no risk of thermal runaway and have extremely low self discharge, even in high heat environments. These LICs are much more reliable than conventional EDLCs because of this hybrid feature.

These LICs provide an increased maximum rated voltage of 3.8V (about 1.5 times higher than the 2.3-2.7V of conventional capacitors), and offer 2 times the capacity of similar sized EDLCs - making their energy density up to 4 times higher than that of EDLCs. A higher energy density results in fewer components needed and reduced mounting space when compared to EDLCs. One LIC can replace multiple EDLCs, allowing for improved thermal design in tight spaces such as servers.

Taiyo Yuden’s breakthrough "Lithium Pre-Dope" technology is the key to this new device. Lithium pre-doping stores lithium ions at the negative electrode in advance, and enables energy to be used more efficiently and cycle life to be increased.

The LIC is available in four capacitances: 40F, 100F, 200F and 270F. Operating temperatures range from -25ºC - +70ºC (+85ºC@3.5V). Environmentally friendly, Taiyo Yuden’s LIC does not contain heavy metals such as Cd, Hg or Pb.

Applications:
Taiyo Yuden’s LIC is designed for use as a backup power source in servers and storage devices for integrated circuits, processors, memory and more which require a small footprint, long life and reliability in high temperature conditions. The LIC can also be used as the main power source for small appliances thanks to the LIC’s rapid discharge and low self discharge characteristics.

Lithium Ion Capacitor (LIC) characteristics:

Model Max V.D.C. Min V.D.C. Nominal Capacitance (F) Internal Resistance (mΩ) Dimensions
øD L ød P
LIC1235R 3R8406 3.8 2.2 40 150 12.5 35.0 0.8 5.0
LIC1840R 3R8107 3.8 2.2 100 100 18.0 40.0 0.8 8.0
LIC2540R 3R8207 3.8 2.2 200 50 25.0 40.0 1.0 13.0
LIC2540R 3R8277 3.8 2.2 270 50 25.0 40.0 1.0 13.0

For details, visit www.yuden.co.jp/ut/solutions/lithium_ion/.

About TAIYO YUDEN:
Since its establishment in 1950, TAIYO YUDEN has invested in research and development to offer leading-edge technology to capacitors, inductors, circuit products, Surface Acoustic Wave (SAW)/Film Bulk Acoustic Resonator (FBAR) devices, energy devices and recording media under the philosophy that the process of product commercialization starts with material development.  Taiyo Yuden's extensive range of products demonstrates world-leading support to development and progress in the information technology and electronics industries. The company's North American affiliate, TAIYO YUDEN (U.S.A.) INC., operates sales and engineering offices in Chicago IL, Boston MA, Dallas TX, Denver CO, San Diego CA, San Jose CA, and Ontario, Canada.

For more information, visit www.t-yuden.com,  or contact:
TAIYO YUDEN (U.S.A.) INC.
10 N. Martingale Rd.
Suite 575
Schaumburg, IL 60173
Phone: (630) 237-2405
E-mail: sales@t-yuden.com

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