June 2012 - 44 articles
Southern California Edison (SCE) is performing accelerated life cycle testing on a subsystem of A123’s Grid Battery System (GBS). SCE’s laboratory testing is being performed on one rack containing 6 modules that provided 100 kW and 23 kWh. The full G...
This paper presents an overview of the recent highlights and accomplishments, for fiscal years (FYs) 2011- 2012, by the hybrid and electric systems (HES) R&D Team at the Vehicle Technologies Program (VTP) Office of the United States Department of...
Development of a practical, low cost high voltage electrolyte to enable lithium ion battery (LIB) operation above 4.5V will enable high energy density cells for vehicle applications. Towards that end, Dow Energy Materials is investing in programs to...
Battery systems as a vital part of the electrical vehicles are facing major difficulties, the most important matter is the cells unbalancing. The cells unbalancing leads to individual cell voltages differ over time, decreasing the battery pack capaci...
To ensure the safety of a battery system certain measures can be employed. Monitoring the actual battery temperature is crucial to guarantee a safe use of the system while an optimized cooling system for the battery pack helps to improve the liabilit...
The development of improved State-of-Health (SoH) diagnosis methods is a current research topic for battery-powered applications. For instance, Hybrid Electric Vehicles (HEV) are in rapid extension and create a strong demand for an accurate and relia...
In Hybrid Electricle Vehicles (HEV), performing online energy management is an important task to be achieved to reduce emissions, fuel consumption and increase vehicle performance. For this task, estimating the State of Charge (SOC) is needed since i...
Voltage stability has to be ensured within automotive power buses in order to reliably supply all components with sufficient energy. Especially in modern vehicles (conventional, hybrid electric, or electric), the stability is endangered due to electr...
This paper presents a control scheme of vehicle-to-grid (V2G) operation for the distribution power grid which integrates renewable generation units. An optimal control algorithm is developed to minimize the total operating cost. The potential for pro...
Fuel cell technology is gaining more public, political and industrial awareness after the success of the Mercedes-Benz World Drive. The B-Class F-Cell is equipped with the Nucellsys fuel cell system and accomplished more than 30,000 km in real world...
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