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Advanced Battery Technologies, 2017
Viewing 1 to 25 of 25
Development and Validation of a Reduced Order Model Incorporating a Semi-Empirical Degradation Model for Pouch Type LiFePO4/Graphite Cells
Author(s): ZHAO, X., Bi, Y., and Choe, S.
Abstract We propose a reduced order model (ROM) for LFP/graphite cells derived from the electrochemical thermal principles that considers degradation effects and validated against experimental data ob....
Experimental Investigation of AC Pulse Heating Method for NMC Lithium-Ion Battery at Subzero Temperatures
Author(s): Zhu, J., Sun, Z., Wei, X., and Dai, H.
Abstract An alternating current (AC) heating method for a NMC lithium-ion battery with 8Ah capacity is proposed. The effects of excitation frequency, current amplitudes, and voltage limit condition on....
Internal Cell Temperature Measurement and Thermal Modeling of Lithium Ion Cells for Automotive Applications by Means of Electrochemical Impedance Spectroscopy
Author(s): Haussmann, P. and Melbert, J.
Abstract Battery safety is the most critical requirement for the energy storage systems in hybrid and electric vehicles. The allowable battery temperature is limited with respect to the battery chemis....
Parameter Identification of Battery Pack Considering Cell Inconsistency
Author(s): Xia, J., Dai, H., Sun, Z., and Venturi, M.
Abstract Lithium-ion batteries have been applied in the new energy vehicles more and more widely. The inconsistency of battery cells imposes a lot of difficulties in parameter and state estimations. T....
Design of a Calorimeter for Measurement of Heat Generation Rate of Lithium Ion Battery Using Thermoelectric Device
Author(s): Yin, Y., Zheng, Z., and Choe, S.
Abstract Analysis of thermal behavior of Lithium ion battery is one of crucial issues to ensure a safe and durable operation. Temperature is the physical quantity that is widely used for analysis, but....
Alternatives in Battery Communication Protocols
Author(s): Hong, H., Sevillano, J., Kain, C., Hofer, G. et al.
Abstract The automotive industry is moving from fossil carburant to electric drive trains due to the stringent CO2 reduction policies. In this context, the electric energy storage becomes one of the k....
Modeling and Validation of 12V Lead-Acid Battery for Stop-Start Technology
Author(s): Lee, S., Cherry, J., Safoutin, M., and McDonald, J.
Abstract As part of the Midterm Evaluation of the 2017-2025 Light-duty Vehicle Greenhouse Gas Standards, the U.S. Environmental Protection Agency (EPA) developed simulation models for studying the eff....
Life Balancing – A Better Way to Balance Large Batteries
Author(s): Anderson, R., Zane, R., Plett, G., Maksimovic, D. et al.
Abstract A new cell balancing technology was developed under a Department of Energy contract which merges the DC/DC converter function into cell balancing. Instead of conventional passive cell balanci....
Deconstruction of UN38.3 into a Process Flowchart
Author(s): Cooney, K.
Abstract This paper will discuss a compliance demonstration methodology for UN38.3, an international regulation which includes a series of tests that, when successfully met, ensure that lithium metal ....
Measurement of Temperature Gradient (dT/dy) and Temperature Response (dT/dt) of a Prismatic Lithium-Ion Pouch Cell with LiFePO4 Cathode Material
Author(s): Panchal, S., Mathewson, S., Fraser, R., Culham, R. et al.
Abstract Lithium-ion batteries, which are nowadays common in laptops, cell phones, toys, and other portable electronic devices, are also viewed as a most promising advanced technology for electric and....
An Improved Battery Modeling Method Based on Recursive Least Square Algorithm Employing an Optimized Objective Function
Author(s): Zhu, L., Sun, Z., Wei, X., and Dai, H.
Abstract To monitor and guarantee batteries of electric vehicles in normal operation, battery models should be established primarily for the further application in battery management system such as pa....
Fast Charging Lithium-Ion Batteries
Author(s): Yang, X. and Miller, T.
Abstract We try to understand the fast recharge capability of automotive lithium-ion batteries and its effect of fast charge on capacity degradation. We find out that 5 Ah prismatic Li-ion cells can b....
Development of New Generation Battery Management ECU
Author(s): Inamoto, T. and Alger, L.
Abstract Recent electric vehicles use Li-ion batteries to power the main electric motor. To maintain the safety of the main electric motor battery using Li-ion cells, it is necessary to monitor the vo....
Functional Safety for Battery Monitoring Integrated Circuits
Author(s): Tabatowski-Bush, B.
Abstract The Battery Monitoring Integrated Circuit (BMIC) is a key technology for Battery Electronics in the electrification of vehicles. Generally speaking, every production hybrid, plug-in hybrid, a....
Electrochemical Modeling of Lithium Plating of Lithium Ion Battery for Hybrid Application
Author(s): Zhang, Z., Jin, Z., and Wyatt, P.
Abstract Lithium plating is an important failure factor for lithium ion battery with carbon-based anodes and therefore preventing lithium plating has been a critical consideration in designs of lithiu....
High Power Cell for Mild and Strong Hybrid Applications Including Chevrolet Malibu
Author(s): Saharan, V. and Nakai, K.
Abstract Electric vehicles have a strong potential to reduce a continued dependence on fossil fuels and help the environment by reducing pollution. Despite the desirable advantage, the introduction of....
Real Time Application of Battery State of Charge and State of Health Estimation
Author(s): Khan, K., Zhou, B., and Rezaei, A.
Abstract A high voltage battery is an essential part of hybrid electric vehicles (HEVs). It is imperative to precisely estimate the state of charge (SOC) and state of health (SOH) of battery in real t....
Modeling and Experiment Validation of the DC/DC Converter for Online AC Impedance Identification of the Lithium-Ion Battery
Author(s): Hong, P., Jiang, H., Li, J., Xu, L. et al.
Abstract The lithium-ion battery plays an important role in saving energy and lowering emissions. Many parameters like temperature have an influence on the characteristic of the battery and this pheno....
Exploring the Opportunity Space For High-Power Li-Ion Batteries in Next-Generation 48V Mild Hybrid Electric Vehicles
Author(s): Abdellahi, A., Khaleghi Rahimian, S., Blizanac, B., and Sisk, B.
Abstract 48V battery packs, with rated power capabilities on the order of 8-16kW, are rapidly becoming a new standard in the automotive industry. Improving on their 12V counterparts (2-5kW), 48V Mild ....
Impact of Manual Service Disconnect in an Automotive Traction Battery System (RESS)
Author(s): Kimoto, M.
Abstract SAE standards require the function of a Manual Service Disconnect (MSD), when open, to remove any voltage between positive and negative Rechargeable Energy Storage System (RESS) output termin....
A Study of Parameter Inconsistency Evolution Pattern in Parallel-Connected Battery Modules
Author(s): Fang, Q., Wei, X., and Dai, H.
Abstract Parallel-connected modules have been widely used in battery packs for electric vehicles nowadays. Unlike series-connected modules, the direct state inconsistency caused by parameter inconsist....
CAE Method for Evaluating Mechanical Performance of Battery Packs under Mechanical Shock Testing
Author(s): Wang, Y., Subramanian, R., Paramasivam, S., and Garfinkel, G.
Abstract Mechanical shock tests for lithium metal and lithium-ion batteries often require that each cell or battery pack be subjected to multiple shocks in the positive and negative directions, of thr....
Model-Based Adaptive Fault Diagnosis in Lithium Ion Batteries: A Comparison of Linear and Nonlinear Approaches
Author(s): Sidhu, A., Izadian, A., and Anwar, S.
In this paper, multiple-model adaptive estimation techniques have been successfully applied to fault detection and identification in lithium-ion batteries. The diagnostic performance of a bat....
Online Capacity Estimation for Automotive Lithium-Ion Cells Incorporating Temperature-Variation and Cell-Aging
Author(s): Wesskamp, P., Reitemeyer, S., and Melbert, J.
Abstract This work provides a new method for estimating the capacity of an automotive Lithium-Ion cell under real application conditions present in Hybrid and Electrical vehicles. Reliable online capa....
Thermoplastic Enclosure for a High Voltage Battery System
Author(s): Maguire, P., Baek, H., Liptak, S., Lomax, O. et al.
Abstract As electrified powertrains proliferate through original equipment manufacturer vehicle offerings, the focus on system cost and weight reduction intensifies. This paper describes the developme....
Viewing 1 to 25 of 25