• Altairnano Company Presentation


  •   
  • FileName: Altairnano Evan House.pdf [preview-online]
    • Abstract: 100 mph top speed capable. Acceleration: 0-60 mph in <10 sec. Targeted at Fleet Market ... 100 mph top speed capable. 0-60 mph in <10 sec. Targeted at Fleet Market. Zero Emission, ...

Download the ebook

Advancements in Nanoscale
Lithium Titanium Oxide Material
PRESENTED TO:
Battery Power 2007 V. Evan House, PhD
Denver, Colorado Director
Advanced Materials & Power Systems
Altairnano
June 6, 2007
Company Confidential
Presentation Outline
Advancements in Nanoscale Lithium Titanium Oxide Material
• NanoSafe Batteries – Unmatched performance & safety
– Introduction
– Performance comparison
– Performance and feature overview
• Energy
• Cycle Life
• Power
– Charge (Rapid Charge) / Discharge
– Cold Temperature / High Temperature
• Safety
• Applications
– All Electric Vehicle
– HEV
– A new energy & power storage landscape
• Questions & answers
2
Unique Technology
Patented, Industrial Scale Manufacturing Process
Produces Ceramic Nano-materials with
Uniquely Controlled Particle Size, Surface Area,
Morphology and Purity
Low
High
Cost Aqueous Spray Heat Surface
Mill Value
Raw Solutions Dry Treat Treatment
Products
Materials
Hollow spheres: TiNano spheres Nano-particle Nano-particle
No crystal structure With High ceramic powder ceramic powder
Surface Area coated with
chemicals or drugs
Produces unsurpassed performance at low cost
3
Its Working Now
Zero Emission, Type III All Electric Vehicles
• 130 mile range in single charge
• 100 mph top speed capable
• Acceleration: 0-60 mph in 6C) 15 to 35 25 35 0 to 50 70 - 90
Cycle Life @ 100% Discharge 50 -180 300 – 600 300 – 500 500 – 750 25,000
(Typical Rate) (4 to 12 hrs) (2 to 4 hrs) (2 to 4 hrs) (1 to 4 hrs) (6 minutes)
Safety (Fire Hazard) Fire Hazard Moderate Fire Fire Safest
Hazard Hazard
Charge Time (0 - >95%) ~ 8 Hours 1- 2 Hours 1 - 2 Hours 1-2 Hours 6 Minutes
Operating Temp Range -10° to 60°C 0° to 50°C 0° to 40°C 0° to 40°C -40° to 70°C
Environmental Impact Toxic Toxic Low Minimal Minimal
Pulse Power Utilization Narrowest Narrow Moderate Moderate Broadest
Range
Leakage (Dissipation) Lowest High Highest Low Low
Memory Effect Very Low High Moderate None None
Power Delivery Good Moderate Moderate Moderate High
Manufacturability Easy Adequate Adequate Easy Easy
Maintenance High Moderate Moderate None None
Market Position High Volume Sliding Modest Good Rising
Cost Cheap Tied to Ni Tied to Ni Moderate Moderate
No Other Battery Type Comes Close
7
NanoSafe Performance
Wide Operating Temperature Range -40°C to 65°C
18650 Performance Scaled Altair n-LTO Performance
Unmatched performance at temperatures less
than 0°C or at charge rates greater than 30 min
8
NanoSafe Cycle Life
Explained
Graphite Undergoes Life Limiting Stress and Strain / Exfoliation
GRAPHITE (2D) nLTO (3D)
Plane Shifts
Li+
Battery
± 10% Charge / Discharge
Causes……
…Exfoliationand Strainand
…..Stress / Stress …No Exfoliation / Stress or
….. No Stress or Strain
StrainGraphite leading
In Severely Limiting Strain Greatly Enhancing
In nLTO Leading to
Cycle Life
To Limited Cycle Life Cycle Life Life
Long Cycle
nLTO Does NOT Suffer From Life Limiting Processes
9
NanoSafe Battery
Cycle Life In the Lab
25,000 cycles versus ~750 cycles for Lithium Ion
Room Temperature Capacity Retention of 50mAh cells
110%
Typical Li-Ion 100%
At 2 hr rate
90%
Capacity retention, %
80%
70%
6 Min (10C) Full Depth of Discharge (1.5V Cut-Off)
6 Min (10C) Full Charge (2.8V Cut-Off)
60%
50%
0 5000 10000 15000 20000 25000
Cycles
Over 30 Times the Cycle Life at 20 Times the Rate!
10
NanoSafe Battery
Cycle Life In the Field
Other “New Technologies” Are Proving Inferior
105%
Capacity Retrention of Advanced LiFePO4 / Graphite vs. NanoSafe
100% Constant Current 2C Charge and 6C Discharge Rate
Capacity retention, %
95%
90%
85% NanoSafe Cell 1
NanoSafe Cell 2
LiFePO4 / Graphite Cell 1
80%
LiFePO4 / Graphite Cell 2
75%
70%
0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200
Cycles
NanoSafe Technology Will Last Up To 30 Times Longer
11
What It Means
All Electric Vehicles with Great Range and Long Life!
• Phoenix SUT travel range (designed for 130 miles/cycle)
• Using conservative assumption: 100 miles per discharge cycle
• Capable of achieving nearly 500,000 miles during battery life
120%
Vehicle Characteristics
100%
• Recharge time


Use: 0.4472