ABOUT Automotive / SAE International Executive Report
Automotive 48-volt technology
Close to reality: the series launch of the 48-volt power system

Table of Contents:


Chapter 1: A history of automotive electric power supply systems
1.1: Introduction
1.2: Historical development of vehicle power supply systems
1.3: The goal of the 42-volt electrical system
1.4: The switch to a 48-volt standard

Chapter 2: A transition from 12-volt/48-volt architecture to 48-volt technology
2.1: Introduction
2.2: The impact of regulations
2.3: Meeting future power requirements
2.4: Fuses
2.5: Connectors
2.6: Intensified terminal corrosion
2.7: Electrical arc behaviour
2.8: Identification of higher-voltage cabling
2.9: Dual-voltage systems

Chapter 3: 48-volt standards (LV148), regulations and geographic trends
3.1: LV148 specification
3.2: Future emission legislation
3.3: Europe leads the way
3.4: The North American market
3.5: Japan
3.6: China
3.7: South Korea

Chapter 4: 48-volt electrification enabling vehicle efficiency
4.1: Introduction
4.2: Vehicle cable harness
4.3: Batteries
4.4: Manufacturing cost implications

Chapter 5: 48-volt mild hybrid applications and developments
5.1: Turbocharging
5.2: The electric supercharger
5.3: Enhanced stop-start applications
5.4: Energy recovery/boosting systems
5.5: Electrified rear axle
5.6: Active suspension
5.7: Transmission technology
5.8: The HVAC module

Chapter 6: 48-volt battery and super capacitor developments
6.1: Technology overview
6.2: Absorbent Glass Mat (AGM) battery technology
6.3: Ultracapacitors / Electrochemical double layer capacitors (EDLCs)

Chapter 7: Major factors delaying 48-volt roll out
7.1: Introduction
7.2: Challenges and concerns - an overview

Chapter 8: 48-volt market leaders and their 48-volt projects
8.1: Introduction
8.2: JAC/Ricardo
8.3: Bosch
8.4: Audi
8.5: Hyundai
8.6: Valeo
8.7: Continental Corporation
8.8: Controlled Power Technologies (CPT)
8.9: Aeristech

List of figures
Figure 1: The Audi Prologue mild hybrid concept's 48-volt electrical network
Figure 2: The 48-volt Micro Hybrid battery from Johnson Controls
Figure 3: Hyundai Tucson 48-volt hybrid show car
Figure 4: Schaeffler PROtroniC Line Audi TT 48-volt concept
Figure 5: Advanced Lead Acid Battery Consortium (ALABC) Superhybrid LC Passat
Figure 6: Ricardo HyBoost concept
Figure 7: Continental's 48-volt diesel Eco Drive technology



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