Thin polycrystalline LiF films have been bombarded by slow $(\ensuremath{\le}1$ keV) multicharged ${\mathrm{Ar}}^{q+}$ ions $(q\ensuremath{\le}9)$, in order to study the resulting total sputter yields means of a quartz crystal microbalance. More than 99% sputtered particles are neutral and show yields, at given impact energy, proportion potential energy projectile ions. The respective ``potential sputtering'' process already takes place far below 100 eV energy. It can be related defect...

Purpose This paper aims to solve the parameter identification problem estimate parameters in electrochemical models of lithium-ion battery. Design/methodology/approach The estimation framework is applied Doyle-Fuller-Newman (DFN) model containing a total 44 parameters. DFN fit experimental data obtained through cycling Li-ion cells. performed by minimizing least-squares difference between experimentally measured and numerically computed voltage curves. minimization using state-of-the-art...

An electrochemical multi-scale model framework for the simulation of arbitrarily three-dimensional structured electrodes lithium-ion batteries is presented. For parameterisation, are via laser ablation, and fit to four different, experimentally electrochemically tested cells. The parameterised used optimise parameters three different pattern designs, namely linear, gridwise, pinhole geometries. simulations performed a finite element implementation in two dimensions. presented well suited...

There has been an increased focus on the relationship between health technology assessment (HTA) and regulatory assessments how regulatory, HTA coverage bodies, industry can work better together to improve efficiency alignment of processes. is increasingly agreement across sectors that improved communication coordination could contribute facilitating timely patient access effective, affordable treatments offer value system. Discussions aspects this are being held in different forums various...

To develop a definition of "capacity building" relevant to Health Technology Assessment international (HTAi).A review capacity building activities undertaken by HTAi members, members the International Network Agencies for (INAHTA), and regional HTA networks was compared against general literature on definitions frameworks. The findings were reviewed Scientific Development Capacity Building Committee. Furthermore, Executive Committee Interest Groups provided input draft final paper.The...

Today, the automotive and transportation sector is undergoing a transformation process to meet requirements of sustainable efficient operations. This mainly reveals itself by electric vehicles, hybrid vehicle sharing. One significant, most expensive, component in vehicles batteries, management batteries crucial. It essential perform constant monitoring behavior changes for operational purposes quickly adjust components operations these changes. Thus, address challenges, we propose knowledge...

The commercially available and widely used LP30 electrolyte was characterized via different methods to investigate thermodynamic transport phenomena related the salt concentration. Relevant properties such as viscosity, conductivity, transference numbers, diffusion coefficients of lithium ions were determined for concentrations conducting salt. obtained parameters set up an electrochemical model. results show good reliability with highest ionic conductivity at 1 mol/l LiPF 6 proposed model...

A finite element code is developed in which all of the computationally expensive steps are performed on a graphics processing unit via THRUST and PARALUTION libraries. The focuses simulation transient problems where repeated computations per time-step create computational cost. It used to solve partial ordinary differential equations as they arise thermal-runaway simulations automotive batteries. speed-up obtained by utilizing for every critical step compared against single core...

Accurate parameter dependent electro-chemical numerical models for lithium-ion batteries are essential in industrial application. The exact parameters of each battery cell unknown and a process estimation is necessary to infer them. generates an accurate model able reproduce real data. field optimal input/experimental design deals with creating the experimental settings facilitating problem. Here we apply two different input algorithms that aim at maximizing observability true, parameters:...

Purpose The purpose of this paper is to introduce a new method model stranded wire efficiently in 3D finite element simulations. Design/methodology/approach In method, the wires are numerically approximated with Cauer ladder network (CLN) order reduction 2D. This approximates eddy current effect such as skin and proximity for whole wire. then projected mesh which does not include each strand. fields calculated CLN geometry be used simulations electrical components vector potential...

Purpose The need to optimize and simulate lithium-ion cells is of high importance their durability. It possible use semi-empirical models based on equivalent circuits model the dynamic behavior. Still, parameter identification a time consuming task if many are coupled into finite element-based simulation. paper aims discuss these issues.

Purpose This paper aims to present a fully coupled thermo-electrical finite-element battery model with an applied model-order reduction. The is used analyse the thermal design of modules during typical drive-cycles electric vehicles. Design/methodology/approach A reduction applied, in which electrical linear bus-bars are analysed a-priori step. For these bus-bars, special distributed basis-functions computed, make solution differential Ohm's law unnecessary transient simulation. Furthermore,...

The electrification of mobility has a strong potential to reduce fuel consumption and CO 2 emissions. This alternative combustion engines, however, is hampered by battery systems still insufficient in terms energy, power lifetime. Therefore it important investigate understand the electrochemical processes mechanisms that can maximize power-to-energy ratio. electrolyte plays an role for efficient operation battery. For example, electrolytes with low lithium-ion transport numbers salt...