Articles techniques et présentations

The increasing demand for large battery packs, driven by the expanding markets for electric vehicles (EVs) and grid-scale energy storage system, necessitates the development rapid battery pack development pipelines such as simulation. We present an integrated multiscale simulation ... En savoir plus

During usage, storage, and transportation, electronic products often become affected by a few unwanted adverse effects of the surrounding environment that compromise their working performance, reliability, and device life. There is evidence that environmental effects cause 52% of such ... En savoir plus

Safe preservation of mammalian cells for long term is essential for medical and pharmaceutical industries. Cryopreservation by conventional slow freezing and by vitrification below freezing temperatures are the most effective biopreservation methods compared to in vitro culture at ... En savoir plus

The structural design of temporary storage facilities for radioactive waste generally requires the fulfillment of highly severe performance criteria if compared to conventional buildings. This work focuses on the study of the behavior of a steel door subject to the impact of extreme wind ... En savoir plus

Auxiliary Power Units can play an important role in reducing vehicle emissions, especially in diesel and kerosene driven vehicles. In conventional vehicles the electricity supply comes from a generator that is directly coupled to the propulsion engine. New generation of fuel cell APUs ... En savoir plus

One of the main parameters to consider during the nuclear waste storage design phase is the drum corrosion risk. The humid-air corrosion models available in literature predict that, for carbon steel, the phenomena start to become appreciable for relative humidity (RH) values close to ... En savoir plus

锂离子电池在便携式电子设备领域占据主导地位，并显著推动了电动汽车的商业化进程。当前全球研发重点集中于开发具有高能量密度、快速充放电能力、高功率输出、低成本及高安全性的电池系统。在材料选择中，机械强度的耐久性与长周期循环的结构完整性成为关键评价指标。锂离子电池内部存在显著的电化学-力学耦合行为，表现为大变形、塑性流动、裂纹扩展与疲劳等现象，进而引起电极剥离、孔隙闭合以及副反应加速等多种失效模式。其中，正极颗粒的破裂等力学-电化学退化机制是限制锂离子电池性能的主要因素之一，因此深入研究正极材料在多场耦合条件下的响应机制，对实现下一代高能量密度电池至关重要。 钴酸锂 ... En savoir plus

The accurate modeling and simulation of battery cells are crucial for the optimization and design of efficient energy storage systems. The choice of an appropriate battery simulation model heavily depends on the specific problem being investigated. This poster presents a comparative ... En savoir plus

The dielectric properties of ferroelectric PVDF polymer embedded core-shell (Al-Al2o3) nanoparticle is simulated using COMSOL Multiphysics® software. Significant increase in electrical permittivity of the composite at percolation threshold (K = 2800) is achieved when compared to ... En savoir plus

This work addresses the critical challenge of accurately determining the inner states of three-phase electric smelting furnaces, commonly used in ferro-alloy and silicon production. Gaining insights into these internal states is crucial for optimizing furnace performance, energy ... En savoir plus