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Microsoft word - changzhou lithium batteries lid.doc

This specification Polymer applies to the Lithium Polymer Rechargeable Button Battery serial LIRXXXX. 2. Type and Model
z Type: Lithium Polymer rechargeable button battery. z Model: Lithium Polymer rechargeable button battery serial LIRXXXX 3. Produce Introduce Polymer
LBA Lithium Polymer battery, depending on “ better technology, better management” concept and leading technique equipment, fabricates powerful, high working voltage, light weight, long service time Li-Polymer rechargeable battery, applied in mini communicate Polymer equipments and instruments. 4. Features
Under normal condition Polymers and correct operate Polymers; MOTOCELL serial LIRXXXX battery can maintain 80% capacity after 500 cycles. Batteries are easy to meet the mini equipment, with small volume and lightweight. Without free Lithium metal, batteries are safer than metal Lithium batteries. About 3.6V working voltage, 3 times higher than Cd-Ni or MH-Ni battery, it could reduce the amount of Without memory effect, MOTOCELL serial LIRXXXX battery could provide you enough power whenever 5. Electrochemical principles
In Lithium Polymer batteries, there is no any metal Lithium. Only Li-Polymer moves between the positive and negative electrode, without changing the cathode and anode materials. The principle of Li-Polymer battery react Polymer is fundamentally different to metal Lithium battery. Li-Polymer batteries have better safe characteristic. The electrochemical react Polymers of Li-Polymer battery are described below. z chemical react Polymer formula˖
z chemical react Polymer principle sketch map˖
Positive Electrode
Negative Electrode
O(Oxygen)
Co(Metal atom)
Li(Li-ion)
C(Carbon)
6. Specification Polymers
7. Performance
test shall be carried out at normal atmosphere pressure, unless otherwise specified˖ If necessary (storage time over 3 months), the battery should be charged and discharged for several times. At 20±5ć temperature, the battery should be charged with a constant current 0.5CmA reached the voltage limit 4.20V, then rest for about 1 hour, discharged with a constant current 0.5CmA to voltage 2.75V. 7.2.1 charge characteristic
Battery could be charged with one of the following method: z Standard charge: at 20±5ć temperature, charge with a constant current 0.5CmA, to the voltage limit 4.20V, then charge with a constant voltage 4.2V, until the charge current reaches 0.8mA, end charge. z Rapid charge: at 20±5ć temperature, the battery should be charged with a constant current 1CmA to the voltage limit 4.20V, then charge with a constant voltage 4.2V, until the charge current reaches 0.8mA, end charge. ² »Í ¬μçÁ÷Ì õ¼þÏ Âμij äμçÌ ØÐÔÇúÏ ß C h a rg in g C h a ra cte ristics a t V a rio u s C u rre n t C h a rg e : C C /C V , 4 .2 V , 2 0 ¡ ãC 7.2.2 capacity characteristic
Within 1 hour after charge, discharge with 0.5CmA constant current down to 2.75V, discharge capacity should not lower than nominal capacity. Within 1 hour after charge, discharge with 1CmA constant current down to 2.75V, discharge capacity should not lower than 54 minutes.
Figure 2. Discharging at various current ² »Í ¬μçÁ÷Ì õ¼þÏ ÂμÄ· ÅμçÌ ØÐÔÇúÏ ß Discharging Characteristics at Various Currents Charge:CC/CV,20%DC,4.2V,0.5CmA x 2.5hrs.
7.2.3 temperature characteristic
After charge, leaving the battery in 60±ć stove for 2 hours, discharging with 1CmA constant current down to 2.75V, then back to 20±ć for 2 hours, discharge time should not less then 54 minutes. The battery has no reformat Polymer and damage.
After charge, leaving the battery in -10±2ć stove for 2 hours, discharging with 0.5CmA constant current down to 2.75V, then back to 20±5ć for 2 hours, discharge time should not less then 1.8 hours. The battery has no reformat Polymer and damage. ² »Í ¬Î ¶ÈÌ õ¼þÏ ÂμÄ· ÅμçÌ ØÐÔÇúÏ ß Discharging Characteristics at Various Temp.
Charge:CC/CV,20¡ ãC,4.2V,0.5CmAx2.5hrs.
Discharge: Constant current 8mA 7.2.4 storage feature
After charge, leaving the battery at 20±5ć for 30 days, discharging with 0.5CmA constant current down to 2.75V, discharge time should not less then 1.8 hours. Capacity retention:(residual capacity after storage/ 7.2.5 cycle life
At 20±ć temperature, charge with a constant current 1CmA to the voltage limit 4.20V, then charge with a constant voltage 4.2V, until the charge current reaches 0.8mA, end charge. Discharge with 0.5CmA constant current down to 2.75V. If discharge capacity is lower than 80% 1CmA discharge capacity twice continuously, end cycle. Cycle life is more than 500 times.
Charge:CC/CV,20¡ ãC,4.2V,0.5CmAx2.5hrs.
7.3.1 constant humidity and temperature feature
After charge, subject to 10~55Hz 0.35mm amplitude vibrate Polymer with direct Polymer of X, Y, Z for 10 times, by visual check, the battery should not have abnormal stain, reformat Polymer or damage. Discharge with 1CmA constant current down to 2.75V, then cycle 3 times, discharge time larger than 54 minutes. 7.3.3 drop impact
After charge, drop the battery 1000mm above tiled concrete ground 2 times each for X, Y, Z direct Polymer, by visual check, the battery should not have abnormal stain, rupture or damage. Discharge with 1CmA constant current down to 2.75V, then cycle 3 times, discharge time larger than 54 minutes. 7.4 protective feature (including protective circuit) 7.4.1 over-charging protective feature
After charge, charge 8 hours with a 2V nominal voltage 2C output current power supplier. At 20±5ć, discharge with 0.5CmA constant current down to 2.75V, then cycle 3 times, discharge time larger than 54 minutes. No rupture, fire, smoke or leakage. 7.4.2 over-discharging protective feature
At 20±ć, discharge with 0.2CmA constant current down to 2.75V, then discharge 24h for 30ȍload, cycle 3 times, discharge time larger than 54 minutes. The battery has no rupture, fire, smoke, and leakage. 7.4.3 short circuit protect Polymer feature
After charge, short circuit for 1 hour with a 0.2ȍ resistant. The voltage of the battery after instantaneous charge should higher than 3.6V. The battery has no rupture, fire, smoke, and leakage. Remark: the above security performance tests should be processed under a protect Polymer.
8. Notice
z Keep away from heat or fire; z Do not try to disassemble the battery or battery pack z Do not short-circuit the battery, do not handle or store with metallic materials, which can cause z Do not disposed the battery into water or contact with water; z Do not throw the battery or drop into ground˗z Do not punch or hammer the battery˗z Use specified charger to charge battery˗z Do not directly solder onto the battery˗z Do not connect battery with reversed poles˗z Do not use the battery in the unspecified filed˗z Do not use the battery mixed with primary cells or other kinds rechargeable battery˗z Before use, the battery should be charged by specified charger˗z Please read the instruct Polymer carefully before use.

Source: http://www.hebeiltd.com.cn/supply/LIR.pdf

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