Vehicle Electrification - January 2020
Demand for electric vehicles is accelerating, presenting new design, manufacturing, and infrastructure challenges. To help you keep pace with the rapid changes in vehicle electrification technology, we present this compendium of recent articles from the editors of Automotive Engineering, Truck & Off-Highway Engineering, and Tech Briefs magazines.
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Overview
The Vehicle Electrification Special Report from January 2020 provides a comprehensive overview of the current state and future prospects of electric vehicles (EVs) and their supporting technologies. The report addresses several key areas, including charging infrastructure, battery technology, and the unique challenges posed by electric vehicle design.
One of the primary features of the report is the analysis of the charging infrastructure available for non-Tesla electric vehicles. It evaluates whether the existing fast-charging network can support long-range EVs, particularly for extensive trips, highlighting the need for improvements in charging speed and availability to meet growing demand.
The report also delves into innovative engineering solutions employed by manufacturers like Volvo, which utilizes starter-generators and raised tunnels in their electrified vehicles. These design choices aim to enhance efficiency and performance while addressing the specific needs of electric drivetrains.
A significant challenge discussed is the competition between battery electric vehicles (BEVs) and traditional internal combustion engine (ICE) vehicles, particularly in the context of fluctuating oil prices. Analysts suggest that moderate oil prices in the U.S. may hinder the growth of BEV sales, despite the declining costs of battery technology. This highlights the importance of continued advancements in battery performance and cost-effectiveness to make EVs more appealing to consumers.
The report also addresses the noise, vibration, and harshness (NVH) challenges unique to electric vehicles. It emphasizes the need for an integrated approach to simulation and analysis to optimize the acoustic performance of EVs, ensuring a comfortable driving experience. Companies are employing advanced computational fluid dynamics (CFD) tools to model and mitigate sources of noise, which is crucial for enhancing the overall appeal of electric vehicles.
In terms of market strategy, the report notes that design teams are increasingly focusing on specific markets for their commercial electric vehicle programs. This targeted approach aims to overcome challenges related to range and infrastructure, allowing manufacturers to better meet the needs of particular consumer segments.
The report also highlights advancements in battery technology, including hybrid cathodes that could boost energy capacity, chemical mixtures that widen the temperature range for electric car batteries, and innovations that extend the life of lithium metal batteries. These developments are critical for improving the performance and longevity of electric vehicles, making them more competitive with traditional vehicles.
Lastly, the report discusses the efforts of companies like Tritium to accelerate the installation of DC fast-charging infrastructure, which is essential for supporting the growing demand for commercial EVs. As the market for electric vehicles expands, the need for robust and efficient charging solutions becomes increasingly important.
In summary, the Vehicle Electrification Special Report provides valuable insights into the current landscape of electric vehicles, highlighting both the advancements and challenges faced by the industry. It underscores the importance of innovation in battery technology, charging infrastructure, and vehicle design to ensure the successful adoption of electric vehicles in the future.
