Course

Lessons

Lesson 1 - Defining Your Battery Test Requirements

Planning the setup of an electric vehicle battery test lab involves knowing how many test channels are needed to test EV battery cells, modules, and packs.

Application Notes

End Of Line Automotive Battery Testing

This application note explores EOL testing procedures and innovative solutions for efficient and easy testing.

White Papers

Advanced Electrochemical Impedance Spectroscopy (EIS) for Battery Testing

In this paper the electrical characterization of cells using calibrated and accurate electrochemical impedance spectroscopy (EIS) in a wide frequency range with micro-Ohm resolution is presented. The obtained EIS data is interpreted by electrochemical circuitry modeling. The EIS results are put into perspective of materials science and electrochemical lab methods.

Lessons

Lesson 2 - Automating Your Battery Test Lab Operations

A modern EV battery test lab must handle thousands of devices under test at any one time. Learn how to equip the lab with channels that can support evolving battery cell test requirements and also how to keep track of the different tests, manage test orders, and resources using enterprise-wide software.

Application Notes

Battery Emulation and Profiling for Enhanced EV Performance and Safety

This application note outlines the benefits of battery emulation for EV testing, including improved performance validation and safety.

Application Notes

Battery Profiling to Characterize and Test LiFePO4 Batteries

This application note highlights the importance of battery profiling and emulation for optimizing EV battery performance and reliability.

Lesson 3 - Use Energy Efficiently During Energy-Intensive Testing

Electricity is one of the key recurrent overhead costs of running a battery test lab. As demand for higher-power and higher-capacity cells rise, you can use energy-efficient solutions to reduce costs.

Solution Briefs

Regenerative Power Supply – Safe and Energy Efficient

High power batteries and bi-directional electronics pose several test challenges. Learn how to overcome these challenges with a regenerative power supply. The architecture of a regenerative power supply helps explain how it can safely return energy to the grid.

Lessons

Lesson 4 - Increase Lab Space Utilization

As the demand for EV batteries grows, battery developers need more space in their test labs and the flexibility to manage and track test data from different devices under test (DUTs). Find out how modular “mirrored” test systems help shrink test equipment footprints.

Lessons

Lesson 5 - How to Improve Battery Cell Cycle Measurement and Reduce Costs in a Gigafactory – Part 1

Gigafactories produce battery cells at high volumes to support the demand for EV batteries. To meet quality standards, each cell undergoes careful measurement during the manufacturing process. Part 1 (and Part 2) of this gigafactory case study covers how a major cell manufacturer reduces operating costs for its cell cycling quality gate at its gigafactory.

Lessons

Lesson 6 - How to Improve Battery Cell Cycle Measurement and Reduce Costs in a Gigafactory – Part 2

In Part 2 of this gigafactory case study, we look at two ways of maximizing operational efficiency at the quality gate checkpoints that ensure the battery cells produced meet performance and longevity specifications. The first way is through the use of regenerative energy for the cell cyclers. The second aspect is how a new "superchamber" saves big on power consumption, further reducing operational costs.

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