Training Course: Battery Modeling in COMSOL Multiphysics^®

If you are a new or experienced user of COMSOL Multiphysics^® who wants to learn about modeling batteries, this online training course is for you. Join our 5-day program to deepen your understanding of the Battery Design Module, an add-on to the COMSOL Multiphysics^® software.

The course will begin at an introductory level, with discussion of how to build and mesh geometry in COMSOL Multiphysics^®. We will then explore the features and functionality specialized for battery design, along with various modeling approaches and electrochemical analyses related to batteries. We will conclude with an overview of battery pack design and thermal management in batteries.

Schedule

Day 1

Session 1: Introduction to COMSOL Multiphysics^®, Geometry, and Meshing

2:30–5 p.m. IST

In this session, we will introduce and demonstrate the capabilities of COMSOL Multiphysics^®. We will familiarize you with the UI and modeling workflow of the software and then introduce you to the different tools available in COMSOL Multiphysics^®, including various meshing features. We will cover geometry import, repair, and defeaturing as well as advanced geometry operations, such as working with parametric geometry features.

Next, we will cover structured and unstructured meshing and special meshing techniques, including boundary layer meshing, mesh convergence studies, automatic remeshing, and time-dependent remeshing. After this session, you will be comfortable creating 3D geometries and formulating basic problems in COMSOL Multiphysics^®.

Hands-on session: We will set up a multiphysics electric fuse model and analyze the working condition of the electrical fuse. At the end of the session, you will be able to answer:

• What is the optimal thickness of the electrical fuse?
• Which material is suitable for the given specifications?

Day 2

Q&A for Session 1

2–2:30 p.m. IST

Session 2: Introduction to the Battery Design Module

2:30–5 p.m. IST

In this session, we will introduce you to the Battery Design Module, an add-on to the COMSOL Multiphysics^® software that encompasses battery descriptions over a large range of scales, from the detailed structures in the battery's porous electrode to the battery pack scale. We will also cover:

• Introduction to electrochemical modeling
• Lithium-ion batteries
• Lead–acid batteries
• Generic batteries

Hands-on session: We will model the charging and discharging of a lithium-ion battery and find the:

• Load cycle voltage and current
• Discharge curve comparison

Day 3

Q&A for Session 2

2–2:30 p.m. IST

Session 3: Different Approaches to Battery Modeling

2:30–5 p.m. IST

In this session, we will compare various approaches to battery modeling, examining different trade-offs between accuracy, complexity, and computational cost. We will cover:

• High-fidelity and simplified battery modeling
• The Newman (pseudo two-dimensional, or P2D) approach
• Single-particle tutorial models and lumped and equivalent circuit tutorial models
• Intercalating species and transport in pore structures
• Intercalation stresses and strains
• Capacity fade and aging

Hands-on session: We will model capacity loss that occurs due to parasitic reactions and find the:

• Cell potential and load
• Cell state of charge

Day 4

Q&A for Session 3

2–2:30 p.m. IST

Session 4: Introduction to Electrochemical Analysis for Batteries

2:30–5 p.m. IST

In this session, we will perform various electrochemical analyses for batteries and explain how they function, perform, and degrade under various conditions. We will cover:

• Heterogeneous and homogenous models
• Diffusion-induced stress
• Pseudo-dimension
• Flow batteries
• Porosity effects
• Impedance spectroscopy

Hands-on session: We will model a redox flow battery that simulates charge and discharge during a load cycle and find the:

• Electrolyte potential
• Electrolyte current density

Day 5

Q&A for Session 4

2–2:30 p.m. IST

Session 5: Introduction to Battery Pack Design and Thermal Management

2:30–5 p.m. IST

In this session, we will learn more about the relevant physics interface and explain how to model battery packs and their thermal management. We will cover:

• The Battery Pack interface
• Modeling heat transfer and thermal management in cells and battery packs
• Multiphysics coupling to model electrochemical heating
• Built-in thermodynamics and material properties
• Thermal stress and expansion due to thermal runaway

Hands-on session: We will model the ohmic and activation losses along with the resulting temperature distribution in a jelly roll for a pseudostationary case at a constant cell current and find the:

• Temperature distribution
• Electrode potential with respect to negative and positive terminals

Day 6

Q&A for Session 5

2–3 p.m. IST (Monday, November 17)

Suggested Background

This training course is suitable for anyone with an engineering, physics, or science background. No previous experience with COMSOL Multiphysics^® is required.

Pricing & Payment Methods

The price for this online training course is INR 25,000 per person. We offer an academic discount to those who qualify. For information about the academic rate, please contact dimple.joshi@comsol.com or call +91-9513655370.

We accept payment by NEFT, UPI, credit or debit card, company purchase order, or check. For security purposes, please do not send credit card information via email. You will be considered registered and your spot will be reserved once the full payment or purchase order is received.

Mail payments or purchase orders to:

COMSOL Multiphysics Pvt. Ltd. No. 46, 3rd Floor "Phoenix Pinnacle" Ulsoor Road, Bengaluru - 560042

Course Recording

This training course will be recorded, and the recording will be made available to all paid registrants for 14 days following the course.