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Composite Active Equilibrium Method for Lithium Ion Battery Pack
2019 IEEE 3rd International Electrical and Energy Conference (CIEEC), 2019The inconsistency of lithium-ion batteries can lead to the decrease of battery pack’s capacity and lifetime, and can even seriously affect the electric vehicles’ performance. A composite active equilibrium method, based on Cuk chopper circuit and flyback balancing circuit, is proposed in this paper.
Weimin Nie, Ziqiang Chen
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HIL Development and Validation of Lithium-Ion Battery Packs
SAE Technical Paper Series, 2014<div class="section abstract"><div class="htmlview paragraph">A Battery Test Facility (BTF) has been constructed at United States Environmental Protection Agency (EPA) to test various automotive battery packs for HEV, PHEV, and EV vehicles.
SoDuk Lee +4 more
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A distributed management system for lithium ion battery pack
2016 Chinese Control and Decision Conference (CCDC), 2016Battery management system is an indispensable part in the application of battery pack; it guarantees the batteries to run safely and effectively. This paper presents a kind of battery management system based on STM32 series microcontroller. Compared with centralized structure, the system reduces the burden on central processing unit using distributed ...
Liu Ping +3 more
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Fast Equalization for Lithium Ion Battery Packs Based on Reconfigurable Battery Structure
2020 IEEE/IAS Industrial and Commercial Power System Asia (I&CPS Asia), 2020This paper proposes a fast equalization method for lithium-ion battery packs based on reconfigurable battery structure and designs a new switching circuit topology. By adding PWM signals to the switching circuit, two internal structures of battery pack take turns to achieve the purpose of equalization.
Xiaoqian Wang +5 more
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The Effect of Pack Configuration on Degradation of Lithium-Ion Battery Packs
ECS Meeting Abstracts, 2020Large-scale grid-connected batteries consist of various components, each of which influence the behaviour. Schimpe et al. [1] simulated the contributions of different components to the round-trip efficiency of a 192 kWh battery and found that the power electronics and the load profile have major impacts. The effect on the lifetime of the battery was
Jorn Maurits Reniers +1 more
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Modeling and Validation of Lithium-Ion Automotive Battery Packs
SAE Technical Paper Series, 2013<div class="section abstract"><div class="htmlview paragraph">The Advanced Light-Duty Powertrain and Hybrid Analysis (ALPHA) tool was created by EPA to evaluate the Greenhouse Gas (GHG) emissions of Light-Duty (LD) vehicles. It is a physics-based, forward-looking, full vehicle computer simulator capable of analyzing various vehicle types ...
SoDuk Lee +3 more
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Efficient Lithium-Ion Battery Pack Electro-Thermal Simulation
2013A methodology to derive a computational efficient electro-thermal battery pack model is showed. It is taken the accuracy of 3D modeling from finite element method with an automatic technique of model order reduction. Approximation errors are under 2 % for a solution speed-up of three orders of magnitude for the thermal part.
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Liquid Cooling of Tractive Lithium Ion Batteries Pack with Nanofluids Coolant
Journal of Nanoscience and Nanotechnology, 2015The heat generated from tractive lithium ion batteries during discharge-charge process has great impacts on the performances of tractive lithium ion batteries pack. How to solve the thermal abuse in tractive lithium ion batteries pack becomes more and more urgent and important for future development of electrical vehicles.
Yang, Li +3 more
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Lithium-Ion Battery Pack for Stop and Start System
SAE Technical Paper Series, 2013<div class="section abstract"><div class="htmlview paragraph">Increased interest in global warming requires rapid improvements in CO2 reduction efforts. The automotive industry is placing high importance on CO2 reduction technologies.</div><div class="htmlview paragraph">Using Lithium-ion (Li-ion) battery pack Stop & ...
Yamato Utsunomiya +3 more
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