How the utilised SOC window in commercial Li-ion pouch cells influence battery ageing

Multi-method Integrated on Soc Estimation of Li-ion Battery

The Li-ion battery is studied base on its equivalent circuit model. The discrete state space equation is established using Ah counting method and OCV method. The filtering algorithm is set up under the noisy environments according to the principle of extended Kalman filter and simulated. The simulation results showed that the integrated of three algorithms could very well remove the environment...

Li-Ion Battery SoC Estimation Using a Bayesian Tracker

Hybrid, plug-in hybrid, and electric vehicles have enthusiastically embraced rechargeable Li-ion batteries as their primary/supplemental power source of choice. Because the state of charge (SoC) of a battery indicates available remaining energy, the battery management system of these vehicles must estimate the SoC accurately. To estimate the SoC of Li-ion batteries, we derive a normalized state...

Simulating Li-ion battery ageing through solid electrolyte interphase growth in graphite/NMC cells

Calendar life study of Li-ion pouch cells

A calendar life study was conducted on lithium ion pouch cells which were stored under float charge condition at five temperatures. The half ell study showed that the anode experienced severe loss of the active material, especially at high temperatures. The capacity fade mechanisms ere then proposed. The capacity fade at low temperatures could mostly be caused by the loss of lithium inventory t...

The SOC Estimation of Power Li-Ion Battery Based on ANFIS Model

On basis of traditional battery performance model, paper analyzed the advantage and disadvantage of SOC estimation methods, introduced Adaptive Neuro-Fuzzy Inference Systems which integrated artificial neural network and fuzzy logic have predicted SOC of battery. It’s a battery residual capacity model with more generalization ability, adaptability and high precision. By analyzing the battery ch...