Lithium Polymer Batteries EXA technology status Lithium Polymer Batteries 動能科技
Three major components 電池(心臟) Battery, Heart LCD (臉 Face) IC(腦Brain)
Lithium ion battery V Anode Discharge Li+ transfer Cathode LiCoO2 MCMB 隔離膜
The principle of Lithium ion battery Cathode 正極: LiCoO2 Li(1-x) CoO2+xLi+ +xe- Anode 負極: C6 +xLi ++xe- Lix C6 Charge 總反應: LiCoO2+C6 Li(1-x) CoO2+LixC6 Discharge
Electrodes voltage change on charging/ discharging status Open Circuit Potential vs Li C 3.0 V LiC6 0.0 V 4.2V Li0.5CoO2 3.0V Li1.0CoO2
Voltage stability on LiCoO2
Various cathode materials for lithium ion battery
Thermal stability on various cathode materials
What parameter affect C-rate? ESR= 0.03 ohm 3C IR drop = 0.03*2A = 0.06 V
Why low temperature voltage drop?
Safety of battery
Separator dimension stability on high temperature
Function of Separator To prevent electric short between cathode and anode To provide ion diffusion path on battery Shutdown ion diffusion path when overheat
Various separators with different materials
Effects of electrolytes Electrochemical stability Quality of SEI (Solid electrolyte Interface) film Affect operation temperature for batteries Safety of battery
電源的應用模式 —如何選擇(要求)電池 大電流模式 high C-rate discharge mode: 電動車,電動工具,模型飛機,模型汽車。 中電流放電模式: GSM 模式,數位相機,MP3 (with HD), Video player, PHS, PDA,NoteBook PC,電子字典 小電流放電模式:藍牙耳機,MP3 (with CF)
電源的應用模式—GSM 放電模式
電源的應用模式—各種放電模式比較
電源的應用模式—GSM 放電模式
電源的應用模式 —溫度影響GSM 放電模式
charge curve of EXA AL501430A (150mAh)
Discharge curve of EXA AL501430A (150mAh)
AL501430A (150mAh) cycle life
AL501430A (150mAh) charge capacity on different temperature
Discharge curve on different temperature of Merry EXA AL501430A (150mAh)
Discharge capacity of Merry EXA AL501430A (150mAh) on various temperature
AL501430A (150mAh) UL_1642 safety test Pass UL_1642 test
Pass AL501430A (150mAh) Overcharge test Battery No. Initial Thickness A1 (mm) Final Thickness A2 Thisckness change (mm) Max. Temp.(℃) Note AL501430A#01 3.84 3.91 0.07 27.6 2C,5V AL501430A#02 3.89 0.05 28.0 AL501430A#03 3.85 4.95 1.10 31.0 AL501430A#04 3.86 5.17 1.31 AL501430A#05 3.87 5.73 1.86 29.1 AL501430A#06 16.75 12.89 103.6 2C,6V AL501430A#07 3.88 18.16 14.28 113.1 AL501430A#08 18.36 14.50 113.2 AL501430A#09 3.9 18.04 14.14 112.4 AL501430A#10 18.29 14.44 110.5
AL501430A Capacity distribution
AL421430A ACR Distribution
Product Specification Cell Model Nominal Voltage v) Rated Capacity (mAh) Dimension (mm) Weight approx. (g) Gravimetric Density (Wh/kg) Volumetric (Wh/L) T W H AL421430 3.7 120 4.2 14 30 3.0 148 250 AL501430 150 5.0 3.5 155 260 AL402030 180 4.0 20 275 AL502030 230 5.4 280 NEW AL401836 18 36 5.2 320 AL402050 400 50 8 185 370
Product Specification Cell Model Nominal Voltage (v) Rated Capacity (mAh) Dimension (mm) Weight approx. (g) Gravimetric Density (Wh/kg) Volumetric (Wh/L) T W H NEW AL402060 3.7 430 4.0 20 60 10 150 320 AL364850 940 3.6 48 50 18 190 400 AL553436 600 5.5 34 36 12 175 315 AL501430 670 3.8 56 15 165 340 AL383562 700 35 62 16 160 AL503759 1050 5.0 37 59 22 350 AL425059 1200 4.2 25
Product Roadmap Model 2004 2005 2006 Q1~3 Q4 AL553436 600 700 750 670 800 850 900 AL383450 740 AL503759 1050 1300 1350 1400 AL425059 1200 AL421430 120 130 135 170 155 160 AL402030 180 185 190 AL502030 230 240 250 AL401836 Capacity measuring conditions : charge ( CC/CV : 0.2C/4.2V, 0.05C ) discharge ( 0.2C/E.V = 2.75V ) This information contained herein may be changed without prior notice.
High Power Density LPB
High Power Density LPB
High Power Density LPB
Working Voltage Windows of LPB Battery Usable Area 2.5V 4.35V Voltage forbidden area Voltage warning area
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