نتایج جستجو برای: battery electric vehicles

تعداد نتایج: 231961  

2009
Derek M. Lemoine Daniel M. Kammen Rhoda Goldman

This note extends the analysis of Lemoine, Kammen, and Farrell's paper "An innovation and policy agenda for commercially competitive plug-in hybrid electric vehicles" (http://www.iop.org/EJ/abstract/1748-9326/3/1/014003/) to cover the case of all-electric vehicles (EVs). We pay particular attention to grid impacts, break-even battery costs, and the three ways in which EVs could dramatically cha...

With respect to the limitations of fossil energy resources, different types of electric vehicles (EVs) are developed as suitable alternatives. Lithium-ion (Li-ion) battery cells play an extremely important role in EVs due to their unique features. But they need a thermal management system (TMS) to maintain their surface temperature uniformity and avoid them from thermal runaways. In the current...

2000
Willett Kempton Toru Kubo

Electric-drive vehicles (EDVs), whether based on batteries, engine-electric hybrid, or fuel cells, could make major contributions to the electric utility supply system. Computer-controlled power connections from parked EDVs would provide grid power from on-board storage or generators. Kempton and Letendre conclude that, in the United States, battery EDVs can be cost-e!ective as a source of peak...

2013
Dennis Babu Anirudh Kumar Joydeb Roychowdhury

The untimed power failure is one of major issues confronting the successful commercialization of battery powered electric cars. So, an intelligent model predictive controller which adaptively schedules the load according to the predicted remaining charge of the Electric Vehicles(EV) battery saves the energy content of the battery and ensures the safe state of the Electric Vehicle. The most impo...

2009
Derek M Lemoine Daniel M Kammen

This addendum adds to the analysis of ‘An innovation and policy agenda for commercially competitive plug-in hybrid electric vehicles’ (D M Lemoine et al 2008 Environ. Res. Lett. 3 014003) to the case of all-electric vehicles (EVs). We pay particular attention to grid impacts, break-even battery costs, and the three ways in which EVs could dramatically change the results we obtained for plug-in ...

2016
Cong Zhang Haitao Min Yuanbin Yu Dai Wang Justin Luke Daniel Opila Samveg Saxena Izumi Taniguchi

Range anxiety and battery cycle life are two major factors which restrict the development of electric vehicles. Battery degradation can be reduced by adding supercapacitors to create a Hybrid Energy Storage System. This paper proposes a systematic approach to configure the hybrid energy storage system and quantifies the battery degradation for electric vehicles when using supercapacitors. A con...

2000
M. Keyser Ahmad A. Pesaran Steve Burch Matthew Keyser

If battery packs for electric vehicles (EVs) and hybrid electric vehicles (HEVs) are to operate effectively in all climates, thermal management of the packs is essential. In this paper, we will review a systematic approach for designing and evaluating battery pack thermal management systems. A thermal management system using air as the heat transfer medium is less complicated than a system usin...

2014
Gaoussou Hadia FOFANA Youtong ZHANG

In this paper, the electro-thermal model of Lithium-ion battery for electric vehicles and its related application were studied. The spatial variations of electrode parameter and the reaction heat generated inside battery must be considered when developing an electro-thermal model of Lithium-ion battery for electric vehicles, to ensure the applicability of the developed model under different ope...

2011
Jie Wu Kun Li Yifei Jiang Li Shang Yihe Sun

Emerging green-energy transportation, such as hybrid electric vehicles (HEVs) and plug-in HEVs (PHEVs), has a great potential for reduction of fuel consumption and greenhouse emissions. The lithium-ion battery system used in these vehicles, however, is bulky, expensive and unreliable, and has been the primary roadblock for transportation electrification. Meanwhile, few studies have considered u...

2017

For the past decade the lithium-ion battery has had great success in powering many of our rechargeable energy needs. It’s ability to hold more energy than other conventional batteries is what has kept it at the top of the battery pyramid for more than a decade. However, to create a more sustainable future, scientists and engineers have continued to search for a battery technology that could one...

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