Panasonic Industrial Europe D&E Forum 2011Industrial Batteries. Safety, Power, Long-life. Li-Ion batteries from Panasonic

Transcription

1 Panasonic Industrial Europe D&E Forum 2011Industrial Batteries Safety, Power, Long-life Li-Ion batteries from Panasonic Lithium-Ion, Ni-MH, Lithium, Lithium, VRLA, VRLA, Zinc-Carbon, Zinc-Carbon, Alkaline, Alkaline, Battery Packs Memory Cards, Battery Packs

2 Table of Contents Lithium Ion Factories NNP Technology Nickel based cathode New Concept of multiple Li-Ion battery packs High Power Li-Ion cell

3 Lithium Ion Factories

4 4 Energy Company Manufacturing Company Location (As of Nov. 2009) HQ Panasonic Energy Company Moriguchi Headquarter Chigasaki Suminoe Hamanako 3 Wakayama Red color: Li-Ion factory Blue color: SLA factory Panasonic Energy America Panasonic Centro Americana Panasonic Peruana Panasonic do Brasil Limitada Panasonic Energy Belgium Panasonic Energy Poland Panasonic Energy Tanzania Panasonic Energy Thailand Panasonic Energy India (Gujarat) Panasonic Carbon India (Chennai) Panasonic Gobel Energy Indonesia Panasonic Energy (Shanghai) Panasonic Carbon (Anyang) Panasonic Energy (Zhuhai) Panasonic Energy (Wuxi) Panasonic Storage Battery (Shenyang) Panasonic Energy Taiwan

5 5 Li-Ion Factory Location PECW(Wuxi) Cylindrical/Prismatic Cell Battery Pack Moriguchi / Wakayama (Existing) Cylindrical/Prismatic Cell Electrode Suminoe (New) Cylindrical / Prismatic Cell Electrode PECZ(Zhuhai) Prismatic Battery Pack Moriguchi Suminoe(New) PECTW (Taiwan) Cylindrical Battery Pack Wakayama

6 6 Concept Suminoe of New factory Suminoe Concept Factory High Reliability Accumulation of MP know-how Seamless Production Process High Efficiency Introduction of highly efficient production equipment Thorough prevention of foreign particles incorporation by clean measure Productivity improvement Ecology CO2 emission 30% cut 100%recycle of plant drain water

7 7 Lithium Ion Total Volume Li-Ion Production Capacity (Unit : Million Cell) Target 900M cells in 2012 with addition of new Suminoe factory production 10 2 nd Phase of New Factory 5 1 st Phase of New Factory 600Mcells Osaka, Wakayama, CHINA 300Mcells (FY)

8 NNP Technology Nickel based cathode

9 New NNP Technology Li-Ion battery performance criteria Safety High Energy Density High Durability Cost Performance NNP = eco *NNP=Nickel based New Platform Long Cycle Life Fewer battery replacements Light Weight Reduction of battery weight Fewer batteries in the battery pack

10 New NNP Technology Li-Ion battery performance criteria Safety High Energy Density High Durability Cost Performance NNP = eco *NNP=Nickel based New Platform Long Cycle Life Fewer battery replacements Light Weight Reduction of battery weight Fewer batteries in the battery pack

11 Safety Safety (HRL Technology) Panasonic HRL* technology stops internal shorts even with foreign particles HRL:Heat Resistant Layer, Metal Oxidized Insulator HRL Technology Existing Technology +Material Separator - Material HRL

12 Safety Matrix about Capacity & Safety of Cathode Material manganese based PSS based More Safety cobalt based NNP based High Capacity

13 Safety Crystal Structure of LiCoO2, PSS, and NNP Layer structure LiCoO 2 (Current) PSS NNP MeO 2 - Li + Co Co: Stability Ni-Mn-Co Ni: Capacity Mn: Safety & Cost Co: Stability Ni-Co-Al Ni: Capacity Co: Stability Al: Safety Both PSS and NNP are Solid Solution Technology

14 New NNP Technology Li-Ion battery performance criteria Safety High Energy Density High Durability Cost Performance NNP = eco *NNP=Nickel based New Platform Long Cycle Life Fewer battery replacements Light Weight Reduction of battery weight Fewer batteries in the battery pack

15 High Energy Density Panasonic Strategy for Achieving High Capacity Change cathode material ex) LiCoO 2 LiNiO 2 or Change charging voltage ex) 4.2V 4.4V Panasonic choice Achieving high capacity using Ni-based cathode material with our advanced safety technology Maintain safe charging voltage (4.2V charge) Potential / V(vsLi/ Co type cathode Ni type cathode Capacity / (mah g-1) + 30% 30%

16 High Energy Density Ni-based New Platform NNP = LiNiCoAlO 2 / Carbon High Structure Thermal Capacity Stability Stability Solid Solution among LiNiO 2 enables High Capacity, Reliability & Safety with HRL* base Even with Current Charge V (4.2V) can increase Capacity +12%Wh/Kg 4.5 VOLTAGE [V] NNP (NiCoAl / Carbon) Charge at 4.2V Co / Carbon CAPACITY [mah] *HRL:Heat Resistant Layer

17 High Energy Density NCR18650 specification (Dimensions) Unit;mm Max.18.4 Max.65.1 (Spec.) Capacity Typ.2.9Ah Min.2.75Ah Charge:CVCC 4.2V,Max.0.7It 50mA Cut Discharge:0.2It 2.5V Cut at 25 Weight Approx. 44.5g 1.5g Lighter than 2.6Ah cell. The data in this document are for descriptive purposes only and are not intended to make or imply any guarantee or warranty.

18 New NNP Technology Li-Ion battery performance criteria Safety High Energy Density High Durability Cost Performance NNP = eco *NNP=Nickel based New Platform Long Cycle Life Fewer battery replacements Light Weight Reduction of battery weight Fewer batteries in the battery pack

19 High Durability NNP vs. LiCoO 2 Recovery Capacity with 60deg.C Storage Material Reliability Recovery capacity / % 0 NNP LiCoO Period / month (Metal Dissolution) NNP has high capacity retention after storage test because of low metal dissolution (4.35V 60deg.C 20day Storage) 金属溶出量 (index) Amount of of metal dissolution deposition (Index) Charge state 0 NNP LiCoO 2

20 High Durability NCR18650 cycle performance 110% 100% 90% Discharge Capacity Ratio / % 80% 70% 60% 50% 40% 30% 20% 10% 0% Test Condition Charge: CCCV, 4.2V, 0.3It, 50mA cut-off Discharge: 1.0It, 2.5V cut-off at 25deg.C Cycle number / cycle

21 New NNP Technology Li-Ion battery performance criteria Safety High Energy Density High Durability Cost Performance NNP = eco *NNP=Nickel based New Platform Long Cycle Life Fewer battery replacements Light Weight Reduction of battery weight Fewer batteries in the battery pack

22 Cost Performance Light Weight Cell セル重量 Weight / /g g Lighter Batteries with NNP Technology High Capacity in Co Type Weight up 2.2Ah 2.0Ah 2.6Ah 2.4Ah NNP-2.9Ah High capacity + Light Weight Capacity 容量 / A/ Ah h

23 Cost Performance Light Weight Comparison PSS & NNP PSS 2.2Ahx8 (63Wh) 2.2Ahx8 (63Wh) 7.5W 352g w/o Plastic 344g w/o Plastic NNP 2.9Ahx6 (63Wh) 7.5W 264g w/o Plastic 8 hour runtime with reduced cost and size With Thinness, Cost Performance & 8 hours

24 Cost Performance Light Weight 3.4Ah Cylindrical Cell

25 Cost Performance Light Weight Cylindrical Battery Progress

26 Cost Performance Light Weight New NNP Technology size Capacity 2.6Ah Panasonic Li-ion 2.9Ah Panasonic Li-ion 3.1Ah Panasonic Li-ion 3.4Ah Panasonic Li-ion 4.0Ah Panasonic Li-ion Technology (+) Co type ( - ) Carbon (+) Ni type ( - ) Carbon (+) Ni type ( - ) Alloy type

27 Cost Performance Light Weight Cylindrical Battery Progress

28 New NNP Technology Summary High Energy Density Safety High Durability *NNP= Nickel based New Platform Cost Performance

29 New NNP Technology Summary - Very good cycle life performance - High energy density contributes to downsizing and weight reduction - Leading company in terms Li-Ion battery capacity - Excellent shelf-life due to low self-discharge performance - Experience due to mass production since High safety because of Heat Resistent Layer

30 New Concept of multiple Li-Ion battery packs

31 Li-Ion Battery Module Multipurpose standard module with widely used/ mass produced size cells (120cells in series/parallel) Large Capacity High Power Compact Light weight Cylindrical Li-ion cell (18650) Battery Module Durability Reliability 20 parallel 6 series High Cost Performance Safety 3.6V/2.9Ah (10.4Wh) (4.2V Charge) 21.6V/58Ah (1.25 kwh) (4.2V/Cell Charge) Volume :approx 5 L Weight : approx 11 kg

32 Valuable Contribution by Module Combination Household storage system Backup battery Battery module Energy Set qty :5~10kWh :4~8 set Energy Set qty :0.1~some MWh :More than80 set Energy Set qty :10~50kWh :8~40 set Energy Set qty :10~25kWh :8~20 set Energy Set qty :1~2kWh :1~2 set EV battery Electric industrial vehicle Electric two wheeler

33 Characteristics of our module Items Module Layout (mm) Weight Nominal voltage Nominal capacity Electrical energy Operating voltage range(maxmin) Operating Temperature Range, Discharge Operating Temperature Range, Charge Storage temperature, recommended long-term Charge current, recommended long-term Max. continuous discharge current parameter 450(L) x 170(W) x 62.7(H) Approx. 11 kg 21.6 V 58 Ah 1.25 kwh 10.2 V (25.2V V) -20 to +60 deg.c 0 to +60 deg.c -20 to +60 deg.c 17A (>10deg.C) 8.2A (0 to 10deg.C) 60 A remarks Charge:4.2v/cell The data in this document is for descriptive purposes only and is not intended to make or imply any guarantee or warranty.

34 NCR18650 Cell Durability Test Results (25/45 ) Cycle life performance at 45 degc is almost the same as at 25 degc Capacity after 2,000 cycles maintain at 70% level CAPACITY (%) NCR18650 Cycle Data ( C Charge) Cycle Conditions (DOD 100%) CHG : CVCC 4.1V Max. 0.3It( 825mA), 50mA cut-off CHG Rest : 20min. DCHG : CC 1.0It( 2750mA), 2.5V cut-off DCHG Rest : 20min. Ambient Temp. : 25 & 45deg.C 25 C 45 C 4.1V 100% DOD ACIR (mω, 1kHz) CYCLE NUMBER 0

35 Built in Safety Technology (HRL) Negative Electrode Positive Electrode cathode (+) Al foil hole made by metal generates heat Internal short circuit test Press metal separator anode (-) HRL (Heat Resistance Layer) separator melting enlarges hole expanding internal short area Conventional technology Negative Electrode thermal run away HRL technology Jelly Roll Metal particle cell Fire electrode cell No fire electrode

36 Fire propagation safety test results Cell layout, heat absorber and heat radiation technology prevent fire propagation. Conventional technology Improved technology Fire propagation test To fire 1 of 20 cells in the module at RT Side View Only 1cell Top View Cell layout in the module ( :Firing cell) Fire propagation Only 1cell Fire propagation No fire spread

37 Module system Characteristics Dispersion of current by multiple parallels avoids system down in event of cell fault large format in series power supply stops/system failure Power our module in series continuous power supply Power 50Ah application INV Fault 50Ah application INV Fault 20 parallel 50Ah battery pack battery pack battery capacity becomes 0 battery capacity becomes 19/20 system down system operating

38 High Power Li-Ion cell

39 Li-Ion Line-up (power & capacity)

40 Development Concept for Power Tool Li-Ion

41 New Li-Ion High Power cell comparison NCR18650Y CGR18650CH CGR18650KA CGR18650K CGR26650B Capacity (typ.) 2.1Ah 2.25Ah 1.75Ah 1.65Ah 3.3Ah Chemistry NNP PSS PSS PSS PSS Cycle life 1000 (1C/1C) 700 (0.7C/1C) 1000 (1C/1C) 1000 (1C/1C) 1000 (3C/3C) Max. current (cont.) 30A 10A 20A 30A 40A MP 2012/ /8 2010/4 2010/1 2008/11

42 CGR18650CH Cycle Life CYCLE LIFE CHARACTERISTICS OF CGR18650CG Test condition CHARGE CONDITION : CVCC 4.2V or 4.1V Max.0.7It( 1500mA), 110mA cut-off DISCHARGE CONDITION : CC, 1.0It(2150mA), 3V cut-off at +25deg.C CHARGE / DISCHARGE REST TIME : 20min. Discharge Capacity : 3V cut-off CAPACITY (mah) (%) V charge 4.1V charge CGR18650CH (PTC less PSS/2.2Ah) has similar cycle life with CGR18650CG CYCLE NUMBER

43 Summary of High Power Li-Ion cell Very high capacity by high power discharge Maximum continuous discharge drain: 30 ~ 40A Long stable power with flat discharge voltage Good cycle performance Extreme safety due to PSS-Technology Stable power provision in multiple Li-Ion packs Particular Safeness because of safety unit integration in each battery pack