Using an ECM to Model HiPot Tests

circuit schematic for HiPot test modelling

Author: Siddharth Kurwa A DC high-potential test (HiPot) is used to detect manufacturing defects in the electrode stack/jelly roll. During the test, a high voltage (orders of magnitude higher than the cell operating voltage) is applied to the cell to screen out early-in-life and latent risks from the production cell population. It is preferred to … Read more

Aluminium Busbar Products

aluminium busbars as used on a battery module

for Cell Contacting Systems and Busbars Aluminium busbar products are used in manifold applications in batteries and battery systems due to their favourable structural, physical, and chemical properties. When it comes to cell contacting systems and busbars, electrical (and thermal) conductivity are decisive for balancing component resistance and cross-section to meet the designed space. However, … Read more

Control-Oriented Reduced-Order Models

Control-Oriented Reduced-Order Models for Lithium-Metal Batteries 22nd Advanced Automotive Battery Conference– San Diego, CA – December 5-8, 2022 Authors: Aloisio Kawakita de Souza, Wesley Hileman, M. Scott Trimboli, Gregory L. Plett Department of Electrical and Computer Engineering, University of Colorado Colorado Springs Background Objectives Develop two physics-based control-oriented models of LMBs for the design of … Read more

Empirical Wavelet Transform and Deep-Learning Neural Network

Research poster on Empirical Wavelet Transform and Deep learning

Empirical Wavelet Transform and Deep-Learning Neural Network for State of Health Estimation of Lithium-ion Batteries Authors: Ma’d El-Dalahmeh, Maher Al-Greer, School of Computing Engineering and Digital Technologies, Teesside University, Middlesbrough, UKCentre of Smart Energy and Smart Grid Abstract This work presents a state of health (SOH) estimation of lithium-ion batteries based on advanced signal processing … Read more

Physics-Based Model-Informed Smooth Particle Filter

Process flow - RUL prediction - Research poster on Physics Based Models

Physics-Based Model-informed Smooth Particle Filter based likelihood approximations for remaining useful life prediction of lithium-ion batteries Authors: Mo’ath El-Dalahmeh, Maher Al-Greer, Ma’d El-Dalahmeh, and Imran BashirSchool of Computing Engineering and Digital Technologies, Teesside University, Middlesbrough, UKCentre of Smart Energy and Smart Grid What Is The Research? Methodology Smooth Particle Filter Algorithm The proposed SPF algorithm … Read more

Benefits of Aluminium Cell Housings for Cylindrical Lithium-ion Batteries

A 4680 cell concept The battery industry is targeting larger cell formats, which enable simplified module design and cell-to-pack or even cell-to-chassis solutions. In this regard, hard case battery cells and in particular cylindrical cells will play an important role in enabling the named developments. Tesla’s announcement of a tabless 4680 cylindrical LIB has triggered … Read more

Joining Techniques for Pack Enclosures

Author: David G. Kilburn & Nigel Taylor As I posted the other day, there are a lot of “boring” battery topics that often get overlooked and producing the battery housing (sometimes referred to as battery tray or box) is no exception! To house a battery you need a high quality, leak proof container that can … Read more

10 things about SSBs that you are often not told

Author Dr. Simon Madgwick of Nuvvon Inc. As an overview, this post cannot cover every possibility or explain in depth. Nonetheless these 10 topics give a reasonable overview of solid-state batteries in terms of what is less transparent in the publicity and hype of solid state. To be clear, we need solid state batteries, but … Read more

2022 Tesla Semi Specifications

In order that we can understand the specifications of the battery pack it is necessary to at first piece together the vehicle. Warning: this page is going to have updates/amendments over time and some values are likely to be an estimate. Specifications A typical single tank semi can do circa 550miles and tanks hold up … Read more