EXA technology status Lithium Polymer Batteries 動動動動
Dec 27, 2015
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
LiCoO2MCMB
Discharge Li+ transfer
CathodeAnode隔離膜
The principle of Lithium ion battery
AnodeC
CathodeLiCoO2
e- e-e-
Discharge
e-e- e-
Charge
PassiveFilm
Separator
Cathode 正極 : LiCoO2 Li(1-x) CoO2+xLi+ +xe-
Anode 負極 : C6 +xLi ++xe- Lix C6
總反應 : LiCoO2+C6 Li(1-x) CoO2+LixC6
Charge
Discharge
Electrodes voltage change on charging/ discharging status
C 3.0 V
LiC6 0.0 V
4.2V Li0.5CoO2
3.0V Li1.0CoO2
Open Circuit Potential vs Li
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 ohm3CIR drop = 0.03*2A = 0.06 V
CLB1098 : EC83 vs EA68 cathode density : 3.2g/cm3
LA25(3.0g) A117
Capacity (Ah)
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
Vo
lta
ge
(V
)
2.6
2.8
3.0
3.2
3.4
3.6
3.8
4.0
4.2
4.4
0.2C 804.29(100%) 1C 790.26(98.26%) 2C 776.77(96.58%)3C 759.79(94.47%)
Why low temperature voltage drop?
ERB040418-3
Cap.(mAh)
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
Vol
tage
(V)
2.8
3.0
3.2
3.4
3.6
3.8
4.0
4.2
4.4
±`·Å-20
ERB040418-9
Cap.(mAh)
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
Vo
ltag
e(V
)
2.8
3.0
3.2
3.4
3.6
3.8
4.0
4.2
4.4
±`·Å-20
Safety of battery
Separator dimension stability on high temperature
40.00 80.00 120.00 160.00 200.00tem p(¢J)
4.00
4.50
5.00
5.50
Leng
th (cm
)
Separator§÷½è
PP
PE
PP/PE/PP
Separator ³æÃä(X)»PTEMP ¤§ÅܤÆ
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)
AL383456A Charge Rate Characteristics
Charge Time (Hours)
0 1 2 3 4 5 6
Ce
ll V
olta
ge
(V
)
3.4
3.6
3.8
4.0
4.2
4.4
Cell
Tem
pera
trure
(¢J)
20
22
24
26
28
30
32
34Cell VoltageCell Temperature
0.2C 0.5C 1C 1.5C
Discharge curve of EXA AL501430A (150mAh)
AL421430A Discharge Rate Characteristics
Capacity (mAh)0 30 60 90 120 150
Ce
ll V
olta
ge
(V
)
2.6
2.8
3.0
3.2
3.4
3.6
3.8
4.0
4.2
4.4
Cel
l Sur
face
Tem
pera
ture
(¢J
)
30
40
50
60
0.2C0.5C1C1.5C2C
Cell VoltageCell Surface Temperature
AL501430A (150mAh) cycle life
AL421430A 1C 500 Cycling Characteristics
Cycle Number (cycles)
0 100 200 300 400 500
Dis
char
ge C
apac
ity R
atio
(%
)
010
60
70
80
90
100
Charge : 670mA , 4.2V , 25¢J Discharge : 670mA , 3.0V Cut-off , 25¢J
AL501430A (150mAh) charge capacity on different temperature
AL421430A Charge Temperature Characteristics
Charge Temperature (¢J)
0 10 20 30 40 50
Cap
acity
(m
Ah)
136
138
140
142
144
146
148
150
152
154
Cap
acity
Rat
io (
%)
92
94
96
98
100
102
Charge : 335mA 4.2V Discharge: 134mA cut off 2.75V , 25¢J
Discharge curve on different temperature of Merry EXA AL501430A (150mAh)
AL421430A Discharge Temperature Characteristics
Discharge Temperature (¢J)
-40 -20 0 20 40 60 80
Cap
acity
(m
Ah)
115
120
125
130
135
140
145
150
155
Charge : 335mA 4.2V 25¢JDischarge: 134mA cut off 2.75V
Discharge capacity of Merry EXA AL501430A (150mAh) on various
temperature
AL501430A (150mAh) UL_1642 safety testPass UL_1642 test
Pass AL501430A (150mAh) Overcharge test
Battery No.Initial Thickness A1
(mm)
Final Thickness A2
(mm)
Thisckness change (mm)
Max.Temp.( )℃ Note
AL501430A#01 3.84 3.91 0.07 27.6
2C,5V
AL501430A#02 3.84 3.89 0.05 28.0
AL501430A#03 3.85 4.95 1.10 31.0
AL501430A#04 3.86 5.17 1.31 31.0
AL501430A#05 3.87 5.73 1.86 29.1
AL501430A#06 3.86 16.75 12.89 103.6
2C,6V
AL501430A#07 3.88 18.16 14.28 113.1
AL501430A#08 3.86 18.36 14.50 113.2
AL501430A#09 3.9 18.04 14.14 112.4
AL501430A#10 3.85 18.29 14.44 110.5
AL501430A Capacity distribution501430二活放電量分布圖
0.00%
1.00%
2.00%
3.00%
4.00%
5.00%
6.00%
7.00%
8.00%
9.00%
10.00%
(mAh)放電量
(%)
百分
比
1數列 0.0 0.4 0.3 0.4 1.0 1.3 1.7 1.6 1.9 3.3 3.6 4.4 6.5 7.2 7.7 7.7 8.7 8.2 6.3 5.4 4.1 3.1 3.2 2.8 1.7 1.6 1.0 0.9 1.1 0.6 0.4 0.3 0.1 0.0 0.0
146
146
146
147
147
147
147
148
148
148
148
148
149
149
149
149
150
150
150
150
150
151
151
151
151
152
152
152
152
152
153
153
153
153
154
AL421430A ACR DistributionGrouped Bar Chart with Error Bars
ACR distribution
146 147 148 149 150 151 152 153
Nu
mb
ers
0
100
200
300
400
500
600
700
Product Specification
Cell ModelNominalVoltage v)
RatedCapacity(mAh)
Dimension (mm)Weightapprox.(g)
GravimetricDensity(Wh/kg)
VolumetricDensity (Wh/L)
T W H
AL421430 3.7 120 4.2 14 30 3.0 148 250
AL501430 3.7 150 5.0 14 30 3.5 155 260
AL402030 3.7 180 4.0 20 30 4.2 155 275
AL502030 3.7 230 5.0 20 30 5.4 155 280
NEW AL401836
3.7 230 4.0 18 36 5.2 155 320
NEWAL402050
3.7 400 4.0 20 50 8 185 370
Product Specification
Cell ModelNominalVoltage (v)
RatedCapacity(mAh)
Dimension (mm)Weightapprox.(g)
GravimetricDensity (Wh/kg)
VolumetricDensity (Wh/L)
T W H
NEWAL402060
3.7 430 4.0 20 60 10 150 320
NEWAL364850
3.7 940 3.6 48 50 18 190 400
NEWAL553436
3.7 600 5.5 34 36 12 175 315
AL501430 3.7 670 3.8 34 56 15 165 340
AL383562 3.7 700 3.8 35 62 16 160 315
AL503759 3.7 1050 5.0 37 59 22 175 350
NEWAL425059
3.7 1200 4.2 50 59 25 175 350
Product Roadmap
Model2004
2005 2006Q1~3 Q4
AL553436 600 700 750
AL501430 670 800 850 900
AL383450 700 740 800
AL503759 1050 1300 1350 1400
AL425059 1200 1350 1400
AL421430 120 130 135
AL501430 170 155 160
AL402030 180 185 190
AL502030 230 240 250
AL401836 230 240 250•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 LPB503759E(1050mAh) Discharge Characteristics
Discharge Capacity (mAh)
0 200 400 600 800 1000
Ce
ll V
olta
ge
(V
)
1.5
2.0
2.5
3.0
3.5
4.0
4.5
Ce
ll S
urf
ace
Te
mp
. (¢
J)
0
10
20
30
40
50
60
70
80
90
100
15A20A5A10A
2320_PA_4tab
High Power Density LPB
Discharge Capacity (mAh)
0 200 400 600 800
Cel
l Vo
ltage
(V
)
1.5
2.0
2.5
3.0
3.5
4.0
4.5
Cel
l Su
rfac
e T
em
p. (
¢J)
0
10
20
30
40
50
60
70
80
90
100503759E(1050mAh) Discharge Characteristics
High Power Density LPB10A Discharge Characteristics
Discharge Capacity (mAh)
0 200 400 600 800 1000
Ce
ll V
olta
ge
(V
)
2.4
2.6
2.8
3.0
3.2
3.4
3.6
3.8
4.0Sample-1Sample-2Under Developement503759DApachi
Working Voltage Windows of LPB
4.2V
2.8V
Battery Usable Area
2.5V
4.35V
Voltage forbidden area
Voltage forbidden area
Voltage warning area
Voltage warning area4.2V
2.8V
2.5V
4.35V
THE END
Thank You For Your Attention!