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Data-driven safety prediction of power battery pack under side
The battery pack of electric vehicles is highly susceptible to failure and may catch fire under side pole collision. To accurately and rapidly evaluate the safety of battery packs under such conditions, this paper introduces a local region refined battery pack model that can effectively characterize the deformation and mechanical response of the jellyroll of battery.
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Staggered layout of battery cells for mitigating damage in side
In this study, for enhancing side pole collision safety, we put forward staggered layout of battery cells for battery pack configuration. Our numerical study has shown that, for
数据驱动的动力电池包侧面柱碰撞安全性预测方法
Abstract: The battery pack of electric vehicles is highly susceptible to failure and may catch fire under side pole collision. To accurately and rapidly evaluate the safety of battery packs under such conditions, this paper introduces a local
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Staggered layout of battery cells for mitigating damage in side
Pole impact directly hits a narrow area on the side of battery pack and the structural intrusion greatly affects one or two battery cells in the most outward row and subsequently transfers the impact energy to the battery cells in the second row and the third row. A critical mechanism of staggered layout is its radiating load transfer path. Fig
Analysis of the Impact of Threshold Beam on Battery
The side column crash test in occupant protection focuses on the side structure strength of the body, especially the battery pack body inside the threshold beam of pure
Battery Pack Layout for Electric Vehicle under Side Pole Impact
To understand the mechanical interaction between pouch cells in a battery module and improve the crash safety designs for the power battery system of electrical
Battery Pack and Underbody: Integration in the
This paper also proposes some considerations that are related to the impact protection of the battery pack, with particular reference to the side impacts against a fixed obstacle, such as a...
Optimization of Aluminum Extrusion Battery Side Rail for
For EV''s, battery pack packaging plays critical role to balance the intrusion and crushability of vehicle under side crash scenarios. Battery side rail design and optimization is a
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A battery pack is a complete energy storage system made up of various battery modules, which are then put together sometimes with built-in management systems. Commercial and industrial energy storage refers to energy storage equipment installed on the electricity consumption side of office buildings, factories, etc. Its main objectives
Crashworthiness Characteristics and Structural Optimization of
force transmitted to the battery pack. The energy absorbing box shown on the right in Fig. 11 is designed to transmit the impact force to the seat beam, thus reduce the passing force of the battery pack so as to protect battery module. Considering that the aluminum has a better lightweight effect than steel, the energy absorbing box is
Battery Pack Layout for Electric Vehicle under Side Pole Impact
Request PDF | On Mar 29, 2022, Powen CHEN and others published Battery Pack Layout for Electric Vehicle under Side Pole Impact | Find, read and cite all the research you need on ResearchGate
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Protection of the battery pack is improved by implementing a novel energy-absorber element into the body sill side that consists of a set of transverse conical corrugated
Data-driven safety prediction of power battery pack under side
The battery pack of electric vehicles is highly susceptible to failure and may catch fire under side pole collision. To accurately and rapidly evaluate the safety of battery packs under such
数据驱动的动力电池包侧面柱碰撞安全性预测方法*
battery pack side wall, and the deformation of the jellyroll of battery. New features, including collision energy and velocity components in x and y directions, were derived and selected as input features for model training through correlation analysis. Support vector machine (SVM), random forest (RF) method, and back propagation neural network
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Optimization and Structural Analysis of Automotive Battery Packs
The battery pack is installed at the bottom of the car chassis between the longitudinal beams of the frame, below the floor of the compartment; this paper refers to the
Optimization and Structural Analysis of Automotive Battery Packs
The battery pack is installed at the bottom of the car chassis between the longitudinal beams of the frame, below the floor of the compartment; this paper refers to the original car data using Creo parametric modelling software 8.0 to build the battery pack 3D assembly model, in which the weight of the battery block and battery module is 282.5 kg, the
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The usable energy for a battery pack reduces over lifetime. Therefore, it is important to understand if the battery needs to deliver a minimum amount of energy as this will define the lifetime or the starting capacity. This
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A lead-acid battery pack is a type of rechargeable battery that uses lead dioxide and sponge lead as electrodes, with a sulfuric acid solution as an electrolyte. This system generates electrical energy through electrochemical reactions during both discharging and charging phases.
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The Best USB Battery Pack for 2024: Buyer''s Guide
USB battery packs are portable batteries that can charge devices like laptops, phones, and tablets anywhere. If you travel frequently or work in areas with limited access to electricity and rely heavily on gadgets, a USB battery pack—especially a high-capacity and compact one—can be a lifesaver.
Staggered layout of battery cells for mitigating damage in side
When battery cells are arranged and packed in battery pack in a staggered way, the side pole impact load can be transferred to at least two battery cells in the next row,
Battery Pack and Underbody: Integration
Typically, the vehicle side structures and doors have limited room for crash energy-absorbing components, and, in the case of BEVs where the battery pack is located in the
6 FAQs about [Battery pack side]
How to improve side pole collision safety performance in battery pack design?
Crash safety performance is always a priority for battery pack design of electric vehicles. In this study, for enhancing side pole collision safety, we put forward staggered layout of battery cells for battery pack configuration.
Does a battery pack have structural problems?
The structural problems have already been considered in the published literature. Luttenbeger and co-workers developed a study concerning the safety behavior of a battery pack in case of impact. They have considered both the frontal impact and the pole side impact according to EuroNCAP standards.
Do staggered battery layouts reduce damage in side pole collisions?
Crash safety performance is one of the key requirements in battery pack layout design. In this study, we put forward staggered layout of battery cells for mitigating damage in side pole collisions. Using numerical simulations, we analyzed and explained why staggered layouts can alleviate battery damages.
What is a staggered battery pack design?
In the battery pack design, some weak areas from battery layout, for example, middle areas of battery cells, may be placed behind the strong areas of vehicle side structure. In this way, the safety effect of staggered layout may be further increased. Moreover, the safety enhancement of staggered layout is more significant in severe collisions.
Why should a battery pack layout be staggered?
Staggered layout provides additional load path for radiating out deformation. Staggered layout can better disperse impact load and reduce damage concentration. Staggered layout has good chance of enhancing crash performance by 5% or higher. Crash safety performance is one of the key requirements in battery pack layout design.
Do battery cells improve side pole impact safety?
Our previous study has concluded that, increasing the discrete degree of battery cells (e.g., using thin or short battery cells) would be beneficial to side pole impact safety. However, it might be opposite to the trend of using large size battery cells for higher energy density in battery pack.