State of charge estimation framework for lithium‐ion batteries based on square root cubature Kalman filter under wide operation temperature range
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Energy Research"
DOI: 10.1002/er.6186
Abstract: Due to the significant influence of temperature on battery charging and discharging performance, exact evaluation of state of charge (SOC) under complex temperature environment becomes increasingly important. This paper develops an advanced framework to estimate… read more here.
Keywords: framework; lithium ion; state charge; range ... See more keywords
A novel parameter and state-of-charge determining method of lithium-ion battery for electric vehicles
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DOI: 10.1016/j.apenergy.2017.05.081
Abstract: Abstract To improve the estimation accuracy of a battery’s inner state for a battery management system, an improved online model-based parameter identification algorithm is proposed. To reduce the computation cost, the existing methods regard the… read more here.
Keywords: state charge; estimation; battery; method ... See more keywords
Accurate approach to the temperature effect on state of charge estimation in the LiFePO4 battery under dynamic load operation
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DOI: 10.1016/j.apenergy.2017.07.056
Abstract: Abstract This paper presents a simple approach to estimate the state of charge of the LiFePO 4 batteries in electric vehicles under dynamic loads and variable temperature, which are inevitable during practical working conditions. This… read more here.
Keywords: state charge; estimation; temperature; approach ... See more keywords
Real-time state of charge estimation in thermal storage vessels applied to a smart polygeneration grid
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DOI: 10.1016/j.apenergy.2017.08.062
Abstract: In thermal grids and district heating, thermal storage devices play an important role to manage energy demand. Additionally, in smart polygeneration grids, thermal energy storage devices are essential to achieve high flexibility in energy demand… read more here.
Keywords: thermal storage; storage; state charge; energy ... See more keywords
State of charge and online model parameters co-estimation for liquid metal batteries
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DOI: 10.1016/j.apenergy.2019.05.032
Abstract: Abstract Liquid metal battery (LMB) is a novel battery technology that shows great application potential in the electric energy storage system. For the utilization of battery systems, an accurate estimate of the state of charge… read more here.
Keywords: state charge; liquid metal; model parameters; model ... See more keywords
State-of-charge estimation of LiFePO4 batteries in electric vehicles: A deep-learning enabled approach
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DOI: 10.1016/j.apenergy.2021.116812
Abstract: Abstract State of charge (SOC) estimation constitutes a critical task of battery management systems. Conventional SOC estimation methods designed for dynamic profiles have difficulties in estimating SOC for LiFePO4 batteries due to their flat open… read more here.
Keywords: estimation; lifepo4 batteries; state charge; soc estimation ... See more keywords
Electrochemical-distributed thermal coupled model-based state of charge estimation for cylindrical lithium-ion batteries
Sign Up to like & getrecommendations! Published in 2021 at "Control Engineering Practice"
DOI: 10.1016/j.conengprac.2021.104734
Abstract: Abstract State of Charge (SoC) is essential in a smart Battery Management System (BMS). Traditional SoC estimation methods consider the lithium battery cell as an isothermal body simplistically, which is not accurate. Due to the… read more here.
Keywords: distributed thermal; soc; state charge; temperature ... See more keywords
A comparative study of different equivalent circuit models for estimating state-of-charge of lithium-ion batteries
Sign Up to like & getrecommendations! Published in 2018 at "Electrochimica Acta"
DOI: 10.1016/j.electacta.2017.10.153
Abstract: Abstract An appropriate model is a prerequisite for accurate state-of-charge (SOC) estimation. The widely used equivalent circuit models (ECMs) employ a variety of forms; thus, to find the optimum ECM is a primary task for… read more here.
Keywords: circuit models; state charge; model; equivalent circuit ... See more keywords
Parameter sensitivity analysis and simplification of equivalent circuit model for the state of charge of lithium-ion batteries
Sign Up to like & getrecommendations! Published in 2020 at "Electrochimica Acta"
DOI: 10.1016/j.electacta.2019.135239
Abstract: Abstract To ensure model accuracy, the model parameters in the equivalent circuit model (ECM) are updated frequently with varying state of health (SOH) and state of charge (SOC). In this work, the parameter sensitivity of… read more here.
Keywords: state; state charge; equivalent circuit; circuit model ... See more keywords
State-of-charge-constraint-based energy management strategy of plug-in hybrid electric vehicle with bus route
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DOI: 10.1016/j.enconman.2019.111972
Abstract: Abstract For the plug-in hybrid electric vehicle (PHEV) with repeated routes, the route information is very useful for energy optimization. SOC (state of charge) of power battery is the most important parameter for PHEV, so… read more here.
Keywords: management; state charge; plug hybrid; energy ... See more keywords
State of charge estimation based on a simplified electrochemical model for a single LiCoO2 battery and battery pack
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DOI: 10.1016/j.energy.2017.05.158
Abstract: Accurate battery state of charge (SOC) estimation can contribute to a reasonable charging/discharging strategy for battery management systems (BMSs). It can also prevent severe damage to the battery (pack) caused by over-charging or over-discharging. This… read more here.
Keywords: state charge; estimation; battery pack; based simplified ... See more keywords