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Gregory Plett
This course can also be taken for academic credit as ECEA 5733, part of CU Boulder’s Master of Science in Electrical Engineering degree.
In this course, you will learn how to implement different state-of-health estimation methods and to evaluate their relative merits. By the end of the course, you will be able to:
- Identify the primary degradation mechanisms that occur in lithium-ion cells and understand how they work
- Execute provided Octave/MATLAB script to estimate total capacity using WLS, WTLS, and AWTLS methods and lab-test data, and to evaluate results
Read more
This course can also be taken for academic credit as ECEA 5733, part of CU Boulder’s Master of Science in Electrical Engineering degree.
In this course, you will learn how to implement different state-of-health estimation methods and to evaluate their relative merits. By the end of the course, you will be able to:
- Identify the primary degradation mechanisms that occur in lithium-ion cells and understand how they work
- Execute provided Octave/MATLAB script to estimate total capacity using WLS, WTLS, and AWTLS methods and lab-test data, and to evaluate results
Read more
This course can also be taken for academic credit as ECEA 5733, part of CU Boulder’s Master of Science in Electrical Engineering degree.
In this course, you will learn how to implement different state-of-health estimation methods and to evaluate their relative merits. By the end of the course, you will be able to:
- Identify the primary degradation mechanisms that occur in lithium-ion cells and understand how they work
- Execute provided Octave/MATLAB script to estimate total capacity using WLS, WTLS, and AWTLS methods and lab-test data, and to evaluate results
- Compute confidence intervals on total-capacity estimates
- Compute estimates of a cell’s equivalent-series resistance using lab-test data
- Specify the tradeoffs between joint and dual estimation of state and parameters, and steps that must be taken to ensure robust estimates (honors)
Register for this course and see more details by visiting:
OpenCourser.com/course/tzgper/battery
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What's inside
Syllabus
How does lithium-ion cell health degrade?
As battery cells age, their total capacities generally decrease and their resistances generally increase. This week, you will learn WHY this happens. You will learn about the specific physical and chemical mechanisms that cause degradation to lithium-ion battery cells. You will also learn why it is relatively simple to estimate and track changes to resistance, but why it is difficult to track changes to total capacity accurately.
Read more
Syllabus
How does lithium-ion cell health degrade?
As battery cells age, their total capacities generally decrease and their resistances generally increase. This week, you will learn WHY this happens. You will learn about the specific physical and chemical mechanisms that cause degradation to lithium-ion battery cells. You will also learn why it is relatively simple to estimate and track changes to resistance, but why it is difficult to track changes to total capacity accurately.
Read more
Traffic lights
Traffic lights
Read about what's good
what should give you pause and
possible dealbreakers
Examines state estimation, which helps battery researchers do modeling and simulation of battery cells
Taught by Gregory Plett, who are recognized for their work in battery engineering
Explores battery degradation mechanisms, which is highly relevant to modeling and simulation of battery cells
Investigates total-capacity estimation, which is standard in battery engineering
Involves Matlab, which is highly relevant to battery engineering
Has a strong reputation, as it is part of the Master of Science in Electrical Engineering at CU Boulder
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Reviews summary
In-depth battery soh estimation methods
According to learners, this course offers a strong theoretical foundation in Battery State-of-Health (SOH) estimation, delving into degradation mechanisms and various estimation methods. Many students found the practical Octave/MATLAB labs extremely valuable for applying theoretical concepts to real-world-like scenarios. While the material is highly technical and involves significant mathematics, making it potentially challenging for beginners, those with the necessary background praise the depth of coverage. Some noted that having prior knowledge, particularly on Kalman filters from a preceding course, is beneficial. Overall, reviewers describe it as a highly rewarding course for professionals in the battery field.
Prior courses, especially Kalman filters, are useful.
"Having taken the previous course covering Kalman filters was very helpful."
"Some sections, like the honors week, assume familiarity with advanced estimation."
"I needed to supplement my understanding of prerequisite topics."
Material is advanced, requires math background.
"This course is highly technical and assumes a strong mathematical background."
"Found some derivations challenging without refreshing linear algebra."
"It's not for the faint of heart if you're not comfortable with equations."
Concepts applicable to BMS and real systems.
"The methods taught are relevant for Battery Management Systems (BMS)."
"I can see how these techniques apply to HEV/BEV applications."
"The course content is directly applicable to my work in battery engineering."
Hands-on Octave/MATLAB exercises are key.
"The Octave labs were essential for applying the theoretical concepts."
"Implementing the different estimators in code helped solidify my understanding."
"I appreciated the practical application of the methods using provided data."
Deep dive into degradation theory and methods.
"The course provides a very solid theoretical understanding of battery SOH."
"I learned about the specific physical and chemical mechanisms that cause degradation."
"The explanations of TLS and AWTLS methods were detailed and thorough."
Activities
Be better prepared
before
your course. Deepen your understanding
during
and
after
it. Supplement your coursework and achieve mastery of the topics covered
in Battery State-of-Health (SOH) Estimation with these
activities:
Review the basics of Electrochemistry
Show steps
Understanding the principles of Electrochemistry will aid in understanding battery cell degradation.
Show steps
-
Read the provided chapter on Electrochemistry from a textbook
-
Watch an introductory video on Electrochemistry
-
Take a practice quiz or exam on Electrochemistry
Join a study group to discuss course concepts and work on assignments together
Show steps
Working with a team to discuss concepts will promote deeper learning and understanding, especially when working through assignments.
Show steps
-
Find a group of classmates to join
-
Meet regularly to discuss course material
-
Work together on assignments and projects
Practice estimating total capacity using different methods
Show steps
Practicing different methods of estimating total capacity will help solidify understanding and allow for quick comparisons of methods.
Show steps
-
Download the provided Octave/MATLAB scripts
-
Run the scripts using different sets of lab-test data
-
Evaluate the results of the different methods
One other activity
Expand to see all activities and additional details
Show all four activities
Write a technical report on battery cell health estimation
Show steps
Synthesize and communicate your understanding of battery cell health estimation techniques and their applications.
Show steps
-
Review literature and research papers on battery cell health estimation.
-
Summarize the key concepts and techniques in a well-organized report.
-
Discuss the advantages and limitations of different methods.
-
Identify potential future research directions in battery cell health estimation.
Review the basics of Electrochemistry
Show steps
Understanding the principles of Electrochemistry will aid in understanding battery cell degradation.
Show steps
Show steps
Show steps
- Read the provided chapter on Electrochemistry from a textbook
- Watch an introductory video on Electrochemistry
- Take a practice quiz or exam on Electrochemistry
Join a study group to discuss course concepts and work on assignments together
Show steps
Working with a team to discuss concepts will promote deeper learning and understanding, especially when working through assignments.
Show steps
Show steps
Show steps
- Find a group of classmates to join
- Meet regularly to discuss course material
- Work together on assignments and projects
Practice estimating total capacity using different methods
Show steps
Practicing different methods of estimating total capacity will help solidify understanding and allow for quick comparisons of methods.
Show steps
Show steps
Show steps
- Download the provided Octave/MATLAB scripts
- Run the scripts using different sets of lab-test data
- Evaluate the results of the different methods
One other activity
Expand to see all activities and additional details
Show all four activities
Write a technical report on battery cell health estimation
Show steps
Synthesize and communicate your understanding of battery cell health estimation techniques and their applications.
Show steps
Show steps
Show steps
- Review literature and research papers on battery cell health estimation.
- Summarize the key concepts and techniques in a well-organized report.
- Discuss the advantages and limitations of different methods.
- Identify potential future research directions in battery cell health estimation.
Career center
Learners who complete Battery State-of-Health (SOH) Estimation will develop knowledge and skills
that may be useful to these careers:
Battery Design Engineer
Battery Design Engineer
A Battery Design Engineer designs and develops batteries. They may work on new battery technologies or improve existing ones. This course may be useful for a Battery Design Engineer who wants to learn more about battery state-of-health estimation. This knowledge can help them design batteries that are more durable and efficient.
Battery Testing Engineer
Battery Testing Engineer
A Battery Testing Engineer tests batteries to ensure that they meet safety and performance standards. They may also develop new test methods and procedures. This course may be helpful for a Battery Testing Engineer who wants to learn more about battery state-of-health estimation. This knowledge can help them develop more effective and efficient test methods.
Battery Manufacturing Engineer
Battery Manufacturing Engineer
A Battery Manufacturing Engineer oversees the production of batteries. They may work in a factory or a research and development lab. This course may be helpful for a Battery Manufacturing Engineer who wants to learn more about battery state-of-health estimation. This knowledge can help them improve the quality and efficiency of their manufacturing processes.
Battery Systems Engineer
Battery Systems Engineer
A Battery Systems Engineer designs and develops battery systems. They may work on systems for electric vehicles, renewable energy storage, or other applications. This course may be helpful for a Battery Systems Engineer who wants to learn more about battery state-of-health estimation. This knowledge can help them design systems that are more reliable and efficient.
Battery Applications Engineer
Battery Applications Engineer
A Battery Applications Engineer works with customers to help them select and use batteries for their specific applications. They may also provide technical support and training. This course may be helpful for a Battery Applications Engineer who wants to learn more about battery state-of-health estimation. This knowledge can help them provide better support to their customers.
Battery Research Scientist
Battery Research Scientist
A Battery Research Scientist conducts research on new battery technologies. They may work in a university or a research lab. This course may be helpful for a Battery Research Scientist who wants to learn more about battery state-of-health estimation. This knowledge can help them develop new and innovative battery technologies.
Automotive Engineer
Automotive Engineer
An Automotive Engineer designs, develops, and tests vehicles. They may work on a variety of vehicle systems, including batteries. This course may be helpful for an Automotive Engineer who wants to learn more about battery state-of-health estimation. This knowledge can help them design vehicles that are more efficient and reliable.
Electrical Engineer
Electrical Engineer
An Electrical Engineer designs, develops, and tests electrical systems. They may work on a variety of systems, including batteries. This course may be helpful for an Electrical Engineer who wants to learn more about battery state-of-health estimation. This knowledge can help them design systems that are more efficient and reliable.
Materials Scientist
Materials Scientist
A Materials Scientist studies the properties of materials. They may work on a variety of materials, including battery materials. This course may be helpful for a Materials Scientist who wants to learn more about battery state-of-health estimation. This knowledge can help them develop new and improved battery materials.
Chemist
Chemist
A Chemist studies the composition and properties of matter. They may work on a variety of materials, including battery materials. This course may be helpful for a Chemist who wants to learn more about battery state-of-health estimation. This knowledge can help them develop new and improved battery chemistries.
Physicist
Physicist
A Physicist studies the fundamental laws of nature. They may work on a variety of topics, including battery physics. This course may be helpful for a Physicist who wants to learn more about battery state-of-health estimation. This knowledge can help them develop new and improved battery technologies.
Mathematician
Mathematician
A Mathematician develops and applies mathematical models to solve problems. They may work on a variety of problems, including battery modeling. This course may be helpful for a Mathematician who wants to learn more about battery state-of-health estimation. This knowledge can help them develop new and improved battery models.
Software Engineer
Software Engineer
A Software Engineer designs, develops, and tests software. They may work on a variety of software applications, including battery management systems. This course may be helpful for a Software Engineer who wants to learn more about battery state-of-health estimation. This knowledge can help them develop software that is more efficient and reliable.
Data Scientist
Data Scientist
A Data Scientist collects, analyzes, and interprets data. They may work on a variety of data, including battery data. This course may be helpful for a Data Scientist who wants to learn more about battery state-of-health estimation. This knowledge can help them develop new and improved methods for battery data analysis.
Quality Control Engineer
Quality Control Engineer
A Quality Control Engineer ensures that products meet quality standards. They may work on a variety of products, including batteries. This course may be helpful for a Quality Control Engineer who wants to learn more about battery state-of-health estimation. This knowledge can help them develop and implement quality control procedures for batteries.
For more career information including salaries, visit:
OpenCourser.com/course/tzgper/battery
Reading list
We've selected ten books
that we think will supplement your
learning. Use these to
develop background knowledge, enrich your coursework, and gain a
deeper understanding of the topics covered in
Battery State-of-Health (SOH) Estimation.
Provides a comprehensive overview of the science and technology of lithium-ion batteries. It valuable resource for anyone interested in learning more about this important technology.
Provides a comprehensive overview of lithium-ion batteries, including their chemistry, performance, and applications. It valuable resource for anyone interested in learning more about this important technology.
Provides a comprehensive overview of distributed energy resources in smart grids. It covers a wide range of topics, including battery modeling, state estimation, and control.
Provides a comprehensive overview of electric vehicle technology. It covers a wide range of topics, including battery modeling, state estimation, and control.
Provides a comprehensive overview of batteries for renewable energy storage. It covers a wide range of topics, including battery modeling, state estimation, and control.
Provides a comprehensive overview of lithium-ion battery failures in electric vehicles. It covers a wide range of topics, including battery modeling, state estimation, and control.
Provides a comprehensive overview of advanced automotive battery technology. It covers a wide range of topics, including battery modeling, state estimation, and control.
Provides a comprehensive overview of electric powertrain systems, power electronics, and drives. It covers a wide range of topics, including battery modeling, state estimation, and control.
Provides a comprehensive overview of automotive power systems. It covers a wide range of topics, including battery modeling, state estimation, and control.
Provides a comprehensive overview of advanced battery management technologies for electric vehicles. It covers a wide range of topics, including battery modeling, state estimation, and control.
For more information about how these books relate to this course, visit:
OpenCourser.com/course/tzgper/battery
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Level
Intermediate
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University of Colorado Boulder
University of Colorado System
Instructor
Gregory Plett
Language
English
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This course belongs to a
collection
called
Algorithms for Battery Management Systems. It's comprised of five courses:
- Battery Pack Balancing and Power Estimation
- Equivalent Circuit Cell Model Simulation
- Battery State-of-Health (SOH) Estimation (viewing)
- Battery State-of-Charge (SOC) Estimation
- Introduction to battery-management systems
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