Lithium For Everything?
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Transcript of Lithium For Everything?
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Lithium For Everything?Finding the Best Chemistry for the Application
Glenn Austin Green
Assistant Business Development Manager
EVB Technology (HK) Ltd
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Agenda
• EVB Technology (HK) Ltd Background
• Presentation Purpose
• Li-ion Advantages (Real World Case)
• Case Studies for not selecting Li-ion
• Other EV applications?
• Take Away Point
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EVB Technology Background• 100% owned by GP Batteries Group
• Factory located in Hong Kong
• Manufactures in Nickel Metal Hydride (NiMH)
and Lithium Ferro Phosphate (LiFePO4)
• 17+ years experience manufacturing large
format batteries
• One of the first Ovonic licensees for NiMH
• Second largest producer worldwide in NiMH
• Owner of Vectrix (e Maxi Scooter)
• Quality Accreditation – ISO/TS16949 Certificate
from DNV
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Presentation Purpose
• To showcase via real world cases why we
must look at the total application (e.g.
working environment, nature of the task,
etc.) to judge the best chemistry for the
solution.
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Advantages of Using Li-ion
NiMH
•3 Layers
•80kgs
•6.8 sec Acceleration (0 – 80km)
•~80km Range
LiFePO4
•1 Layer
•45kgs
•5.8 sec Acceleration (0 – 80km)
•~100km Range
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Dangers of Lithium
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Commercial Advantage vs. Li-ion
•Switched customer from
Pb Acid to NiMH
•Able to partner for 10
years/100,000km warranty
to end customers.
•No expensive BMS
system to drive cost up
further
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Operating Environment Issue
•Li-ion operates best in mild
climates
•Extremes at both end of the
temperature range affects the
performance.
December 2010:
Oslo had a series of -28°C days –
only 3 failures.
2 software errors and
1 wiring error.
ZERO BATTERY FAILURES!!
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Better Performance Demands
•Already using NiMH and
only wanted better
performance.
•Application had a high
max current draw (500 –
600A)
•Customer preference
limited the potential of a
Li-ion option.
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Any EV Application?
Non-road mobile machinery contribute 7% (6.800
tonnes) and 11% (600 tonnes) of local emissions
of Nitrogen Oxides (NOx) and respirable
suspended particulates (RSP) although only
13,500 vehicles – Hong Kong Environment
Protection Department (May 2010).
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Hybridized RTG Cranes Solution
Customer:
Battery type: GP80EVS
(2 strings parallel)
Battery capacity: 160 Ah
Hybrid mode: Parallel hybrid
Power output: 300 kW
Nominal Voltage: 528V (1 over 5);
576V (1 over 6)
Max. Current: 600A (5sec)
Number of Cranes: 20+ cranes
Battery
Pack
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Hybridized RTG Cranes Solution
12
Crane Type: TT638 Hybrid with
180kW Yuchai Engine
Net Amount Litre Savings
Idle (30 mins) 3.55 43%
Empty (10 moves) 5.42 56%
15 Tons (10 moves) 6.58 58%
30 Tons (10 moves) 9.04 54%
• Significant reduction of
smoke emissions
ROI in 6 months
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Take Away Point
We must effectively communicate with our
customers on their application to strike the right
balance between expectations, budget limitations,
and technology.
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Contact Information
Website:
• www.gpbatteries.com
• www.evbtech.com
Email: