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An Experimental Study on Thermal Performance of Graphite-Based Phase-Change Materials for High-Power Batteries Vrije Universiteit Brussel
High-power lithium-ion capacitors (LiC) are hybrid energy storage systems (EES) with the combined benefits of lithium-ion batteries (LiB) and supercapacitors, such as high specific energy, high specific power, and a long lifetime. Such advanced technology can be used in high-power applications when high charging and discharging are demanded. Nevertheless, their performance and lifetime highly depend on temperature. In this context, this paper ...
Phase-change materials (PCM) for automotive applications: A review Vrije Universiteit Brussel
In this paper, an extensive review of a battery thermal management systems (BTMSs) such as phase- change materials (PCMs) in the state of art is proposed. Nowadays, PCMs are particularly attractive and chosen as one of the most interesting cooling system in terms of high-energy storage density. In addi- tion, they are less bulky, complex and expensive than traditional cooling methods such as forced-air cool- ing or liquid cooling. Nonetheless, ...
Programmable low-power consumption all-optical nonlinear activation functions using a micro-ring resonator with phase-change materials Interuniversitair Micro-Electronica Centrum vzw Universiteit Gent
A programmable hardware implementation of all-optical nonlinear activation func-tions for different scenarios and applications in all-optical neural networks is essential. We demonstrate a programmable, low-loss all-optical activation function device based on a silicon micro-ring resonator loaded with phase change materials. Four different nonlinear activation functions of Relu, ELU, Softplus and radial basis functions are implemented for ...
Programmable low-power consumption all-optical nonlinear activation functions using a micro-ring resonator with phase-change materials Universiteit Gent
Monolithic TCAD simulation of phase-change memory (PCM/PRAM) plus Ovonic Threshold Switch (OTS) selector device Interuniversitair Micro-Electronica Centrum vzw
Owing to the increasing interest in the commercialization of phase-change memory (PCM) devices, a number of TCAD models have been developed for their simulation. These models formulate the melting, amorphization and crystallization of phase-change materials as well as their extreme conductivity dependence on both electric field and temperature into a set of self-consistently-solved thermoelectric and phase-field partial-differential equations. ...
Behavioral modeling of integrated phase-change photonic devices for neuromorphic computing applications Universiteit Gent
The combination of phase-change materials and integrated photonics has led to the development of new forms of all-optical devices, including photonic memories, arithmetic and logic processors, and synaptic and neuronal mimics. Such devices can be readily fabricated into photonic integrated circuits, so potentially delivering large-scale all-optical arithmetic-logic units and neuromorphic processing chips. To facilitate in the design and ...
Materials, Time and Emotion: how materials change in time? Universiteit Gent
During their lifecycle, objects shift from their initial state of perfection, in which they are conceived by designers and industrial production, and approach an imperfect status. This is shown by changes that impact shape, surface and material properties, due to usage and time. In this paper we focus on the passage of time and its consequences. For some materials ageing is negatively addressed as decaying, for other ones it may have a positive ...
Te-based chalcogenide materials for selector applications Universiteit Gent
Measurements on thermal buffering of electric machine peak loads with phase change materials Universiteit Gent
An experimental setup is designed to analyze and compare four different end winding cooling methods for electric machines: air cooling, a phase change material in the end space, a combination of a phase change material and metal foam in the end space and potting of the end space. The potted end space has the best steady-state performance, followed by the phase change material-metal foam combination, the phase change material and finally the air ...