نتایج جستجو برای: charging battery

تعداد نتایج: 56896  

2017
Andrea Paolella Cyril Faure Giovanni Bertoni Sergio Marras Abdelbast Guerfi Ali Darwiche Pierre Hovington Basile Commarieu Zhuoran Wang Mirko Prato Massimo Colombo Simone Monaco Wen Zhu Zimin Feng Ashok Vijh Chandramohan George George P Demopoulos Michel Armand Karim Zaghib

Recently, intensive efforts are dedicated to convert and store the solar energy in a single device. Herein, dye-synthesized solar cell technology is combined with lithium-ion materials to investigate light-assisted battery charging. In particular we report the direct photo-oxidation of lithium iron phosphate nanocrystals in the presence of a dye as a hybrid photo-cathode in a two-electrode syst...

2016
M. Vignesh G. Abirami

Abstract: The Renewable energy source is large, due to the perceptive energy in the day today life. This paper present moment a novel high voltage gain boost converter topography based on three state commutation cell for battery charging using Photo Voltaic panel to reduce ripples in output and its shortened number of conversion stages. The proposed converter operates in zero voltage switching ...

2016
Kyoji Nakajo Shinji Aoki Takashi Yatsuda Shuji Takahashi Kazuhiro Motegi Yasuhiro Kobayashi Yoichi Shiraishi

For several years now, electric vehicles (EVs) have been expected to become widely available in the micro-mobility field. However, the insufficiency of such vehicles’ battery-charging and discharging performance has limited their practical use. A hybrid energy storage system, which comprises a capacitor and battery, is a promising solution to this problem; however, to apply model-based designs,...

2011
Paul D. Mitcheson Tzern T. Toh

In most low-power systems, power management is generally thought of as being an ability to switch certain parts of a system off or put them in a low-power state when they are not required, and to manage the charging of a battery. While these are important aspects of low-power electronics powered by energy harvesters, there are much more fundamental reasons for requiring power electronics in an ...

2011
Oleg Yu. Gusikhin

The introduction of battery electric vehicles (BEV) faces many challenges. For example, limited driving range, long charging time and sparse availability of charging stations lead to range anxiety for many prospective owners. There is a need for vehicle features that help BEV owners plan routes that avoid being stranded due to an empty battery. The key to these tools is the estimation of future...

2016
Li Yan Haiying Shen Shengyin Li Yongxi Huang

The fast development of smart-grid technologies and applications calls for new means to meet the transportation and environment requirements of the next trend of mainstream vehicles. Electric vehicle (EV), which has been regarded as an important replacement for present gasoline-based vehicle, is expected to greatly reduce the carbon emissions meanwhile offer acceptable transportation ability. H...

2011
Felix Jauch Juergen Biela

A new bidirectional isolated Zero-VoltageSwitching (ZVS) DC-DC converter with nonpulsating input and output current is proposed. This converter is ideally suited for battery charging application and is applied as a submodule in a battery storage system based on a modular multilevel converter (MC). The current output of the proposed DC-DC converter enables small current ripple for directly inter...

2014
D. D. Budh V. B. Virulkar

This paper discusses the effectiveness of BESS energy management method. Such BESS-based renewable energy systems require a suitable control strategy that can effectively regulate power output levels and battery state of charge (SOC) within a specified range. The control method can supervise the SOC to secure the charging level of the BESS by adjusting the target power for high and low SOC rang...

2014
Vijay Kumar Garg

Power from solar panel is affected by insolation and temperature variation which can be minimized by MPPT system. In this paper to extract maximum power from solar system, perturb and observe technique of MPPT is used. A PV system require proper battery charge controller to balance the power flow from PV system to battery and load such that photovoltaic power is utilized effectively. In this bu...

2011
M. Tsirinomeny H. Hõimoja A. Rufer

To increase the appeal of electric vehicles, the trend is to shorten the charging time and to lengthen the autonomy. The new ultrafast charge compatible battery on lithium-titanate gives the best compromise between high power and energy densities. The main objective of the contribution is to demonstrate the state-of-the-art of the fast charged electric vehicles and propose an evaluation tool fo...

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