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EXA technology status. Lithium Polymer Batteries. 動能科技. IC (腦 Brain ). LCD ( 臉 Face). 電池(心臟) Battery, Heart. Three major components. V. 隔離膜. Cathode. Anode. Discharge Li + transfer. MCMB. LiCoO2. Lithium ion battery. The principle of Lithium ion battery.

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EXAtechnology status

Lithium Polymer Batteries

動能科技


Three major components

IC(腦Brain)

LCD (臉 Face)

電池(心臟)

Battery, Heart

Three major components


Lithium ion battery

V

隔離膜

Cathode

Anode

Discharge Li+ transfer

MCMB

LiCoO2

Lithium ion battery


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


C 3.0 V

4.2V Li0.5CoO2

3.0V Li1.0CoO2

LiC6 0.0 V

Electrodes voltage change on charging/ discharging status

Open Circuit Potential vs Li





What parameter affect c rate
What parameter affect C-rate?

ESR= 0.03 ohm

3C

IR drop = 0.03*2A

= 0.06 V




Separator dimension stability on high temperature
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

Function of Separator



Effects of electrolytes

Electrochemical stability

Quality of SEI (Solid electrolyte Interface) film

Affect operation temperature for batteries

Safety of battery

Effects of electrolytes


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
charge curve of EXA AL501430A (150mAh)




Al501430a 150mah charge capacity on different temperature
AL501430A (150mAh) charge capacity on different temperature




Al501430a 150mah ul 1642 safety test
AL501430A (150mAh) UL_1642 various temperaturesafety test

Pass UL_1642 test


Pass al501430a 150mah overcharge test
Pass AL501430A (150mAh) various temperatureOvercharge test


Al501430a capacity distribution
AL501430A Capacity distribution various temperature


Al421430a acr distribution
AL421430A ACR Distribution various temperature


Product specification
Product Specification various temperature


Product specification1
Product Specification various temperature


Product roadmap
Product Roadmap various temperature

  • 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 various temperature


High power density lpb1
High Power Density LPB various temperature


High power density lpb2
High Power Density LPB various temperature


Working voltage windows of lpb

Voltage forbidden area various temperature

4.35V

4.35V

Voltage warning area

4.2V

4.2V

Battery Usable Area

2.8V

2.8V

Voltage warning area

2.5V

2.5V

Voltage forbidden area

Working Voltage Windows of LPB


The end
THE END various temperature

Thank You For Your Attention!


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