China Lithium Ion Capacitor Cylinder CKAA60140 Manufacturer and Supplier

Lithium Ion Capacitor Cylinder CKAA60140

Short Description:

CKAA60140 Lithium ion battery pack & fast charge solution

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Introduction

This specification describes the properties, testing methods and notice of the 60140 Flash Charge Lithium ion capacitors developed by Jinpei Electronics Co., Ltd.

2. General Features

2.1 Features and Advantages

Fast charge and discharge
Long cycle life
Good low temperature performance
High energy density

2.2 Typical Applications

Using at Energy storage, Start and stop system,

smart grid, harbor machinery UPS and other power system.

3. Product Appearance & Dimensions

3.1 Structure & Appearance

4. Product Technical Index

4.1Main Parameters

Series	Merits	Values
1	Capacitance	15Ah±5%
2	Volt-HI	4.2V
3	Volt-LO	2.5V
4	DC internal resistan（10ms）	≤0.6mΩ
5	Standard charging current	45A(3C)
6	Quick charging current	150A(10C)
7	Rated discharge current	45A(3C)
8	Max continuous discharge current	300A(20C)
9	Max continuous discharge time	90S
10	Max Temperature increasing	50±5℃
11	Safety	GB/T 31485-2015《 Electricvehicle Safety requirements and test methods for power accumulators》
12	Charge&discharge temperaturerange	-40~85℃
13	Storage temperature range	-40~55℃
14	Fast charging cycle life (@25±2℃， Forced cooling)	≥30,000 times(5C)
15	Slow charging cycle life	≥30,000 times (1C)
16	Weight	≤850g
17	Demension(D× H)	Φ60mm×140mm

4.2 Other Technical Information

Low temperature discharge performance Low temperature discharge curves

discharge current （A）	discharge time	Discharge capacitance （mAh）
180	3min58s	11.89
200	3min12s	10.66
225	2min47s	10.44

Test method: at room temperature, 3C constant current charge to 4.2V, constant voltage to 0.05c cutoff, put in the low-temperature -43℃ environment for 3h, discharge to 2.5V cutoff with different current.

Charge/discharge charge/discharge curves

Test method: at room temperature, 3C constant current charge to 4.2V, constant voltage to 0.1c cut-off, use 2min, discharge current 1C to 2.5V cut-off.

Charge/discharge @1000A Discharge curves at large current

Test condition: 3C charge to 4.2V at normal temperature ,constant voltage to 0.2A cut-off , 1800A charge for 10s,15s interval after charge again,record test datasheet.

5 Testing Methods

5.1 Testing Conditions

This specification followed the standard testing criteria: 1 atm, 25±2 ℃ and a relative humidity < 65%.

5.2 Test for Capacitance/Internal resistance

Capacitance Test: Charge the cell to 4.2V by 1C current and the charge it by constant voltage until the current reached 0.1C. And then, discharge the cell to 2.5V at 1C current. After rested 30s ， repeated the last processes and regarded the second capacitance as cell’s capacitance.

Resistance test: Charge the cell to 4.2V by 3C current and charge until 0.1C current by constant voltage, test it’s ACR at 1kHZ Ac impedance meter. By the way, once test its capacitance, recorded its 10ms voltage difference during the discharge process, and the calculated its DCR by R=ΔU/I. Note: the mix record time is 1s during the “Capacitance and resistance test “proces

Test for Low Temperature

Under the ordered temperature, constant charge the cell to 4.2V and then end it at 0.1C by constant voltage. After this, remove the cell to different temperature condition (keep 2h) and discharge it to 2.5V at 1C current, record its discharge capacitance.Cycle life test

Under 25±5℃, test the cell’s original performance by “Capacitance/resistance method”, and then charge it to 4.0V by 5C current, discharge it to 2.5V at 2Cconstant current, after this rest 5min, cycle this processes 2000. Regarded the testing process at one cycle, and repeated it 15 times, until it reached 30000 times.