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Lithium Ion Capacitor

1000F cell

LIC front LIC front

In August 2007, JSR Corporation launched JM Energy which is dedicated to the development, manufacture and marketing of its Ultimo, Lithium Ion Capacitor (LIC). A capacitor is an electrical storage device that stores or releases electricity through rapid electrostatic reactions. Compared with a battery that stores electricity through slow chemical reactions, a capacitor makes it possible to charge and discharge electricity almost instantaneously with an extremely long cycle life.

IonLithCap_9

JM Energy

While everyday batteries will stop working after several hundred charge-discharge cycles; Ultimo can be cycled over a million times, without loss of capacity. Ultimo is also much safer than Lithium Ion Batteries. Since Ultimo doesn't contain any lithium spinel; thermal runaway, an explosion or venting with flame will not occur. With its superior safety, Ultimo is better suited to fill the energy needs of today's environment-friendly products.

JM Energy

Our lithium ion capacitor, ULTIMO, has 4 times higher energy density and 1.5 times higher voltage (3.8V) than conventional capacitors (up to 2.5V), such as electric double layer capacitors (EDLCs) enabling it to store huge amounts of electricity in very compact cells.

JM Energy

JM Energy

JM Energy

Characteristics of ULTIMO

  • High Energy Density
  • High Operation Voltage
  • High Power
  • Instantaneous Charge and Discharge
  • Long Energy Preservation (Low Self Discharge Rate)
    • Item Standard Type Low Resistance Type Condition
          Unit 350F 500F 1000F 2000F 1000F 2000F
    Operating Temperature Range °C -20°C
    ～70°C    		 -20°C
    ～70°C    		 -20°C
    ～70°C    		 -20°C
    ～70°C    		 -20°C
    ～70°C    		 -20°C
    ～70°C    		  
    Rated Voltage Maximum   3.8V 3.8V 3.8V 3.8V 3.8V 3.8V  
    Minimum   2.2V 2.2V 2.2V 2.2V 2.2V 2.2V
    Initial Property Capacitance   370F 550F 1100F 2200F 1100F 2200F 10CA constant current discharge at 25°C
    ESR mΩ 5.6 3.9 2.8 1.4 1.7 1.0 1kHz
    DC-IR mΩ 10.4 7.5 4.5 2.3 2.7 1.5  
    Energy Density by Weight Wh/kg 15 15 12 14 10 11 10CA constant current discharge at 25°C
    Energy Density by Volume Wh/L 26 26 21 25 18 19
    Capacitance -20°C from 25°C % 75 75 75 75 75 75 10CA constant current discharge
    70°C from 25°C % 105 105 105 105 105 105 10CA constant current discharge
    Heat Resistance from Initial % 90 90 90 90 90 90 3.8V, 70°C, 100h
    Cycle Test Performance from Initial % 90 90 90 90 90 90 100CA constant current discharge
    25°C 100K Cycles
    Self Discharge Δ Voltage % ＜5 ＜5 ＜5 ＜5 ＜5 ＜5 3 months at 25°C
    Dimensions Chamber mm 53x67x6.5 53x67x9.0 138×106×4.5 138×106×8.5 138×106×5.5 138×106×10.5  

     

    ULTIMO also has excellent durability under a wide range of operational conditions. It performs well at 70C or higher while the performance deterioration of EDLC is significant under the same conditions.

    The self discharge rate of ULTIMO is less than 5% over three months at ambient temperature, while the self discharge rate of conventional EDLCs under the same conditions can be more than 50% in one month.

    JM Energy

    Discharge Time vs Current

    JM Energy

    JM Energy

    Applications
  • Renewable Energy Systems (Solar Generation, Wind Generation)
  • Industrial Machinery
  • Consumer Machines and Tools
  • Transportation
  • Automotive
  • Aerospace

    • Click here to download our white paper from ESSCAP 008 Lithium Ion Capacitor Characterization and Modeling
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