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Dive into the research topics where Fuwu Yan is active.

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Featured researches published by Fuwu Yan.


international conference on electric information and control engineering | 2011

Influence of practical complications on energy efficiency of the vehicle's lithium-ion batteries

Pei Zhang; Changqing Du; Fuwu Yan; Jianqiang Kang

A kind of battery pack of LiFePO4 was selected as the concrete study object. A kind of method was pointed out to define the energy efficiency of the battery, the constant current and pulse current of charge and discharge energy efficiency were analyzed. The results of analysis show that the charge and discharge energy efficiency are above 90%, and constant current and pulse current of charge and discharge energy efficiency of LiFePO4 are almost the same. Furthermore, the energy efficiency of LiFePO4 is in connection with SOC and current. This research provides technical support for selecting the type of the battery pack and optimizing the control strategy of a whole vehicle.


Ionics | 2016

A study on capacity and power fading characteristics of Li(Ni1/3Co1/3Mn1/3)O2-based lithium-ion batteries

Xiaokang Li; Jianqiang Kang; Yifu Yang; Fuwu Yan; Changqing Du; Maji Luo

The objective of this study is to find out the factor that accounts for the capacity fading and to predict the cycle life of lithium-ion batteries by the driving cycle test. A new method, incremental polarization resistance, is elected to analyze the gradation mechanism based on incremental capacity analysis. It is summarized that the two major factors, the loss of lithium ions and the cathode fading, make the capacity loss in different stages. In the first stage, the loss of lithium ions, caused by the solid electrolyte interface (SEI) lay reaction, is the main reason for battery degradation. In the second stage, the cathode starts to decay and make the capacity loss, because of the less intercalation in cathode. In the third stage, the cathode degradation gradually outpaces the loss of Li and becomes the limit factor for the battery recession. Finally, a cycle life model was established to predict the capacity loss with cycle numbers.


international conference on electric information and control engineering | 2011

Energy efficiency of a Ni-MH battery used in hybrid electric vehicles

Pei Zhang; Changqing Du; Fuwu Yan; Jianqiang Kang

The energy efficiency of the battery is the proportional relation between the net energy change of the battery and energy that input from the outside or output to the outside. The energy efficiency of a Ni-MH battery (40Ah) was studied by testing and theoretical analysis in order to improve the control precision of hybrid electric vehicles (HEVs) and the battery useful life. A test stand for testing the energy efficiency of the Ni-MH battery was established. The data from experiments of constant, pulse current energy efficiency performed on the Ni-MH battery were analyzed. Based on the experimental results, mathematical model of net energy of the battery was proposed by function-fitting methods, and the effects of current and state of charge (SOC) on energy efficiency were analyzed. Theoretical analysis and experimental results suggest that charge and discharge energy efficiency of Ni-MH battery are above 90% within the range of 30%–80% SOC, and the effect of current on energy efficiency is greater than that of SOC, which provide theoretical basis for selection of batteries and dynamic optimizing technology of HEV system controlling strategy.


international conference on electric information and control engineering | 2011

Research on energy efficiency of the vehicle's battery pack

Pei Zhang; Changqing Du; Fuwu Yan; Jianqiang Kang

The battery pack of LiFePO4 and MH-Ni were selected as the concrete study subject. This paper pointed out a kind of method to test the energy efficiency of the battery, the constant current and pulse of charge and discharge energy efficiency were analyzed. The results of analysis show the energy efficiency of battery pack is in connection with SOC and current, and the energy efficiency of LiFePO4 is higher than MH-Ni, which provide technical support for improving power characteristic of EV and HEV.


Renewable & Sustainable Energy Reviews | 2015

A comprehensive analysis of energy management strategies for hybrid electric vehicles based on bibliometrics

Pei Zhang; Fuwu Yan; Changqing Du


Energy | 2014

Comparison of comprehensive properties of Ni-MH (nickel-metal hydride) and Li-ion (lithium-ion) batteries in terms of energy efficiency

Jianqiang Kang; Fuwu Yan; Pei Zhang; Changqing Du


Journal of Power Sources | 2012

A novel way to calculate energy efficiency for rechargeable batteries

Jianqiang Kang; Fuwu Yan; Pei Zhang; Changqing Du


Archive | 2011

Method for measuring energy efficiencies of storage batteries

Jianqiang Kang; Pei Zhang; Fuwu Yan; Changqing Du


Renewable & Sustainable Energy Reviews | 2018

Application of hydrogen enriched natural gas in spark ignition IC engines: from fundamental fuel properties to engine performances and emissions

Fuwu Yan; Lei Xu; Yu Wang


Energies | 2016

Spark Ignition Engine Combustion, Performance and Emission Products from Hydrous Ethanol and Its Blends with Gasoline

Musaab O. El-Faroug; Fuwu Yan; Maji Luo; Richard Fiifi Turkson

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Changqing Du

Wuhan University of Technology

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Jianqiang Kang

Wuhan University of Technology

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Pei Zhang

Wuhan University of Technology

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Lei Xu

Wuhan University of Technology

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Richard Fiifi Turkson

Wuhan University of Technology

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Bo Liu

Wuhan University of Technology

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Jie Hu

Wuhan University of Technology

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Mengxiang Zhou

Wuhan University of Technology

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Mohamed Kamal Ahmed Ali

Wuhan University of Technology

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Shaopeng Tian

Wuhan University of Technology

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