sanyo 26th international battery seminar
TRANSCRIPT
Copyright(C) SANYO Electric Co.,Ltd. 2009
Akira Kinoshita
SANYO Electric Co., Ltd.
Technology Management Department
Mobile Energy CompanyLithium-Ion Battery Division
Development of
Sanyo Li/Ion Batteries
Copyright(C) SANYO Electric Co.,Ltd. 2009
01970 1980 1990 2000 2010
’’6464
’’9494
’’9090
2’’9999
4
Billionpcs
NiNi--CdCd
NiNi--MHMH
PolymerPolymer
LiLi--IonIonFor Portable Products
For Telecommunications
For High-Power Vehicles
Growing of Rechargeable Battery Market
Copyright(C) SANYO Electric Co.,Ltd. 2009
High power
HEV
Robot
Electric assisted bicycle
Cordless equipment
Power tool
Notebookcomputer
Digital camera
PDACellularphone
VCR
High capacity
Applications of Lithium Ion Batteries
Copyright(C) SANYO Electric Co.,Ltd. 2009
1. We are leader to develop attractive batteries based on advanced technology.
2. We have confidence of providing high quality products because we have a lot of experience and know-how based on technology, quality control and manufacturing through actual results.
FeaturesFeatures of SANYOof SANYO’’s Lithium s Lithium IIon Batteries on Batteries [1][1]
3. We have many kinds of cells, that is, various sizes and capacity.
Copyright(C) SANYO Electric Co.,Ltd. 2009
4. We have No.1 production capability. * production capability : over 70 million cells per month.
5. We have about 30% share in the Li ion market with steady and proactive approach.
FeaturesFeatures of SANYOof SANYO’’s Lithium s Lithium IIon Battery on Battery [2][2]
Copyright(C) SANYO Electric Co.,Ltd. 2009
SANYO Li Ion BatteryDevelopment Trend
SANYO Li ISANYO Li Ionon BBatteryatteryDevelopment TrendDevelopment Trend
Copyright(C) SANYO Electric Co.,Ltd. 2009
SANYOSANYO’’s Lithium s Lithium IonIon Battery Development Concept Battery Development Concept
valuable batteryvaluable battery developmentdevelopment
CoReduction
(Low Cost)
High Capacity
HighPower
High SafetyHigh Safety
Differentiation of the technologDifferentiation of the technologyy
Copyright(C) SANYO Electric Co.,Ltd. 2009
Current ModelTyp.2600mAh
Typ.2Typ.28800mAh Model00mAh ModelPrevious ModelTyp.2400mAh
Higher Capacity High capacity
Typ.2000mAh ModelTyp.2000mAh ModelTTyp.2250mAhyp.2250mAh ModelModel
Co Reduction
High Power
Typ.1200mAh ModelTyp.1200mAh ModelTyp.1600mAh ModelTyp.1600mAh Model
Development Trend of Development Trend of CCylindrical Cell (18650ylindrical Cell (18650--size)size)
More More Capacity Capacity
More More Power Power
Copyright(C) SANYO Electric Co.,Ltd. 2009
Development Trend of Prismatic Cell Development Trend of Prismatic Cell
Current modelMin.800mAh
Previous modelMin.750mAh
with UF463443 size
*Robust model
Higher Capacity
Higher Cost Performance
High capacity
More More Capacity Capacity
Min.840mAh Min.840mAh
600mAh 600mAh ~~
Copyright(C) SANYO Electric Co.,Ltd. 2009
UF383551UF463450UF553450UF653450UF103450UF423643
Development Trend of Prismatic Cell [1]Development Trend of Prismatic Cell [1]
UF463048UF553048UF653048UF463446UF503445UF553446
Low Height ModelLow Height ModelStandard ModelStandard Model
Small ModelSmall Model
UF383543UF463443UF553443UF603443
UF503436UF553436UF653436UF583136
UF752836UF613756UF453846
Large Foot Print ModelLarge Foot Print Model
We have various size lineup as satisfying customer’s needs.
UF534042UF634042
... and several models are under developing.... and several models are under developing.
Copyright(C) SANYO Electric Co.,Ltd. 2009
Development Trend ofHigh Capacity BatteriesDevelopment Trend ofDevelopment Trend of
High High CCapacity Batterapacity Batteriesies
Copyright(C) SANYO Electric Co.,Ltd. 2009
Trend of Energy Density of cylindrical LiTrend of Energy Density of cylindrical Li--ion battery ion battery
700Volumetric Energy Density (Wh/l)
350300250 400 450 500
1995
1994
1996
19982000
20012002
550
Current Generation : Current Generation : LiCoOLiCoO22--GraphiteGraphite
20052005
Typ.2600mAh
600 650
over 3000mAh
New GenerationNew Generation : : Challenge by using Challenge by using
new materialsnew materials
Typ.2800mAh
Gra
vim
etric
Ene
rgy
Den
sity
(Wh/
kg)
* Energy density is calculated with Min. capacity value
20082008
Typ.1260mAhTyp.1370mAh
Typ.1420mAh
Typ.1700mAhTyp.1900mAh
Typ.2200mAhTyp.2000mAh
Typ.2400mAh
100
125
200
150
175
225
Charging voltage: 4.10 to 4.20V
new cathode materialnew cathode material
2004
Copyright(C) SANYO Electric Co.,Ltd. 2009
Cathode Material Capacity Safety
LiCoO2 ★★★ ★★
LiNiO2 ★★★★ ★
LiMn2O4 ★ ★★★★
Li(Ni-Mn-Co)O2 ★★ ★★★
High voltage Charged
Candidate of Cathode for High Voltage ChargeCandidate of Cathode for High Voltage Charge
Copyright(C) SANYO Electric Co.,Ltd. 2009
Li(Ni-Mn-Co)O2
Higher Thermal StabilityHigher Thermal Stability
Improved LiCoO2
Synergy EffectSynergy Effectby mixing two materialby mixing two material
High Voltage ChargeHigh Voltage Charge
Achieve high capacityAchieve high capacitykeeping safety and operating voltagekeeping safety and operating voltage
High Capacity High Capacity High Packing DensityHigh Packing Density
Concept of New Cathode Material [NeoConcept of New Cathode Material [Neo--Hybrid Cathode)Hybrid Cathode)
Copyright(C) SANYO Electric Co.,Ltd. 2009
Comparison of High Capacity Models (UR18650ZT)Comparison of High Capacity Models (UR18650ZT)
UR18650F(Typ. 2.6Ah) UR18650ZT
Cell size 18 X 65mm 18 X 65mm
Capacity(mAh) Typ. 2600mAh Typ. 2800mAh
Capacity(Wh) Typ. 9.62Wh Typ. 10.36Wh
Cathode activematerial
LiCoO2LiCoO2
Li(Ni-Mn-Co)O2
Charge &discharge voltage
Charge: 4.2VDischarge: 3.0V
Charge: 4.3VDischarge: 3.0V
Weight Typ. 45.5g Typ. 46.0g
Safety Level Same
Copyright(C) SANYO Electric Co.,Ltd. 2009
0 400 800 1200 1600 2000 2400 2800 3200Discharge Capacity / mAh
2.0
2.5
3.0
3.5
4.0
4.5
Cel
l Vo
ltage
/ V
Discharge:CC:Variable Current(E.V.:3.0V) at 20degC
0.2CA 0.5CA 1.0CA 2.0CA
Discharge Discharge RRateate Characteristics of UR18650ZT Characteristics of UR18650ZT
UR18650ZT (1It=2700)
CHG: CC-CV: 1.0A-4.30V (54mA cut) at 20deg.C
DCH: CC: Variable Current (E.V.:3.0V) at 20deg.C
UR18650F(Typ. 2.6Ah) (1It=2500)
CHG: CC-CV: 1.75A-4.20V (50mA cut) at 20deg.C
DCH: CC: Variable Current (E.V.:3.0V) at 20deg.C
Typ.2.8Ah ModelTyp.2.6Ah Model
0.2 ItA0.5 ItA1.0 ItA2.0 ItA
Copyright(C) SANYO Electric Co.,Ltd. 2009
0 400 800 1200 1600 2000 2400 2800 3200Discharge Capacity / mAh
2.0
2.5
3.0
3.5
4.0
4.5
Cel
lVo
lt ag e
/V
-10℃0℃20℃40℃
Temperature Temperature discharge Characteristics of UR18650ZTdischarge Characteristics of UR18650ZT
Typ.2.8Ah modelTyp.2.6Ah model
-10deg.C
0deg.C
20deg.C
40deg.C
UR18650ZT (1It=2700)
CHG: CC-CV: 1.0A-4.30V (54mA cut) at 20deg.C
DCH: CC: 0.5C(=1350)mA (E.V.:3.0V) at Variable Temp.
UR18650F (Typ.2.6Ah) (1It=2500)
CHG: CC-CV: 1.75A-4.20V (50mA cut) at 20deg.C
DCH: CC: 0.5C(=1250mA) (E.V.:3.0V) at Variable Temp.
Copyright(C) SANYO Electric Co.,Ltd. 2009
0
500
1000
1500
2000
2500
3000
0 100 200 300 400 500Cycle Number / -
Cap
acity
/ m
Ah
Achieved 83% capacity after 500 cycles.
CHG: CC-CV: 0.5C-4.30V (54mA cut) at various temp.
DCH: CC: 2700mA (E.V.:3.0V) at various temp.
CycleCycle Characteristics of UR18650ZTCharacteristics of UR18650ZT25 deg.C
Copyright(C) SANYO Electric Co.,Ltd. 2009
Storage Characteristics of UR18650ZTStorage Characteristics of UR18650ZT
Cap
acity
/ m
Ah
Initial Residual Recovery1000
1500
2000
2500
3000
UR18650ZT (1It=2700)
CHG: CC-CV: 1C(=2700mA)-4.30V (54mA cut) at 25deg.C
DCH: CC: 1C (E.V.:3.0V) at 25deg.C
UR18650F (Typ.2.6Ah) (1It=2500)
CHG: CC-CV: 1C (=2500mA)- 4.20V (50mA cut) at 25deg.C
DCH: CC: 1C (E.V.:2.75V) at 25deg.C
UR18650ZTUR18650F(Typ.2.6Ah)
Storage at SOC 100% for 20 days @ 60 deg.C
UR18650ZT has higher capacity than UR18650F after storageUR18650ZT has higher capacity than UR18650F after storage
Copyright(C) SANYO Electric Co.,Ltd. 2009
Result ofResult of SafetySafety TestTest for for UR18650UR18650ZTZT
<<JIS C8714JIS C8714>>
<<ULUL 1642Test1642Test resultsresults>>
UL approval
Condition: Charge Voltage 4.35V
External Short circuit testCrash Test Thermal abuse
test at 130℃Forced internalshort circuit test
passed50deg.C
5deg.C
UR18650ZT
passed passed
passed
passed
passed
passed
passed
<Notes> Criteria: No explosion, no fire
(Condition: Charge Voltage 4.30V)
Copyright(C) SANYO Electric Co.,Ltd. 2009
Development of prismatic cellwith High Capacity
Development ofDevelopment of prismatic cellprismatic cellwith with High High CCapacity apacity
Copyright(C) SANYO Electric Co.,Ltd. 2009
Comparison of High Capacity Models (UF463443GT]Comparison of High Capacity Models (UF463443GT]
UF463443G(Typ. 830mAh) UF463443GT(under development)
Cell size T4.35 X W33.7 X H42.5mm T4.32 X W33.7 X H42.5mm
Capacity(mAh) Typ. 830mAh Typ. 870mAh
Capacity(Wh) Typ. 2.95Wh Typ. 3.12Wh
Cathode activematerial LiCoO2
LiCoO2Li(Ni-Mn-Co)O2
Charge &discharge voltage
Charge: 4.2VDischarge: 2.75V
Charge: 4.33VDischarge: 3.0V
Weight Typ. 15.3g Typ. 15.1g
Safety Level Same
Copyright(C) SANYO Electric Co.,Ltd. 2009
Discharge Discharge RRateate Characteristics of UF463443GT Characteristics of UF463443GT (under development)(under development)
UF463443GT (1It=840mA)
CHG: CC-CV: 1C-4.30V (16.8mA cut) at 25deg.C
DCH: CC: Variable Current (E.V.:3.0V) at 25deg.C
UF463443G(Typ. 830mAh) (1It=800mA)
CHG: CC-CV: 1C-4.20V (16mA cut) at 25deg.C
DCH: CC: Variable Current (E.V.:2.75V) at 25deg.C
UF463443GTUF463443G(Typ.800mAh)
0 200 400 600 800 1000
4.5
4.0
3.5
3.0
2.5
2.0
Discharge Capacity / mAh
Cel
l Vol
tage
/ V
0.2 ItA1.0 ItA2.0 ItA
Copyright(C) SANYO Electric Co.,Ltd. 2009
CycleCycle Characteristics of UF463443GTCharacteristics of UF463443GTC
apac
ity /
mA
h
Cycle number / -
Swel
ling
/ mm
0 100 200 300 400 5000
200
400
600
800
1000
0
0.4
0.8
1.2
1.6
2.0
Capacity
Swelling
UF463443GTUF463443G(Min.800mAh)
45 deg.C
Copyright(C) SANYO Electric Co.,Ltd. 2009
Development Trend ofHigh Power BatteriesDevelopment Trend ofDevelopment Trend ofHigh Power BatterHigh Power Batteriesies
Copyright(C) SANYO Electric Co.,Ltd. 2009
Comparison of High Power Models (UR18650WX)Comparison of High Power Models (UR18650WX)((under developmentunder development))
UR18650SAX UR18650WX UR18650W
Cell size 18 X 65mm 18 X 65mm 18 X 65mm
Capacity(mAh) Typ. 1350mAh Typ. 1550mAh Typ. 1600mAh
Cathode activematerial
LiMn2O4Li(Ni-Mn-Co)O2
LiMn2O4Li(Ni-Mn-Co)O2
LiMn2O4Li(Ni-Mn-Co)O2
Max. Current(Continuous) 25A 20A 15A
Max. Current(durable 350 cycles) 20A 15A 10A
AC Impedance(1kHz) 14m 14m 25m
Copyright(C) SANYO Electric Co.,Ltd. 2009
2.0
2.5
3.0
3.5
4.0
4.5
0 200 400 600 800 1000 1200 1400 1600Discharge Capacity / mAh
Vol
tage
/ V
Charge: CC-CV:1C-4.2V(100mA cut) at 25 deg.C
Discharge:CC:10A(E.V.:2.5V) at -10 deg.C
Discharge Characteristics at large currentDischarge Characteristics at large current
UR18650WX shows high operating voltagewith high capacity at large current.
220A0AUR18650SAXUR18650W
UR18650WX
Copyright(C) SANYO Electric Co.,Ltd. 2009
2.0
2.5
3.0
3.5
4.0
4.5
0 200 400 600 800 1000 1200 1400 1600Discharge Capacity / mAh
Vol
tage
/ V
UR18650SAXUR18650W
UR18650WX
Charge: CC-CV:1C-4.2V(100mA cut) at 25 deg.C
Discharge:CC:10A(E.V.:2.5V) at -10 deg.C
Discharge Characteristics at low temperatureDischarge Characteristics at low temperature
10A at 10A at --10 10 deg.Cdeg.C
UR18650WX shows high operating voltagewith high capacity at low temperature.
Copyright(C) SANYO Electric Co.,Ltd. 2009
Future Development Trend ofLithium Ion Batteries
Future Future Development Trend ofDevelopment Trend ofLithium Ion BatterLithium Ion Batteriesies
Copyright(C) SANYO Electric Co.,Ltd. 2009
Capacity
Cost
Reliability
AvailabilityDurabilitySafety
Power
Requirements for lithium ion batteries
Copyright(C) SANYO Electric Co.,Ltd. 2009
High Power
High Capacity
Power Tools
Robot
Cordless Applications
Future Cellular-PhonesNote-PCs
Mobile Applications
PDA
DSC HEV
New Applications with Rechargeable Batteries New Applications with Rechargeable Batteries
Copyright(C) SANYO Electric Co.,Ltd. 2009
ENDThank you very much