Formation and EOL Quality Engineer – Battery Cell Development Center

Job Description

The Role

The Formation Quality Engineer is a senior technical role within General Motors Battery Cell Development Center (BCDC) responsible for defining and leading the quality strategy for formation processes including electrolyte wetting initial charging cell aging endofline (EOL) testing and process automation. This role focuses on connecting battery internal structure and electrochemical process data to predict cell performance reliability and safety.

The Formation Quality Engineer will partner closely with process engineering to optimize process recipes leveraging deep expertise in battery chemistry materials science and inspection techniques to build robust datadriven controls from lab and pilot builds through scaleup in the BCDC.

What Youll Do

• Own process quality for designated lines and campaigns from formation through endofline testing including automated material movements in the area.
• Define and maintain critical quality characteristics for formation and end of line testing such as charge/discharge profiles gas evolution capacity impedance leakage and voltage decay behaviors in the finished cell.
• Support design of experiments (DOE) with process engineering to develop and refine formation and aging recipes.
• Define and integrate CT and other scanning techniques into end of line quality control characterizing internal features linked to formation and cell performance.
• Lead datadriven monitoring for end of line testing and cell cycling.
• Develop end of line test quality and inspection strategies to ensure that finished cells meet expected performance targets including validation of end of line vision systems.
• Develop and maintain quality documentation (process flow diagrams control plans risk analyses sampling plans) for the formation and end of line area.
• Plan and execute measurement system studies (e.g. GR&R / MSA) for key in-line and offline formation and end of line related measurements.
• Lead structured problem solving using root cause techniques (e.g. 5Why fishbone 8Dstyle approaches) for formation or end of line issues.
• Provide technical leadership for the BCDC on formation chemistry materials behavior and structural mechanisms in the finished cell.
• Support new cell builds equipment designs and new material introductions ensuring formation and aging strategies remain grounded in sound electrochemistry and materials science fundamentals.

Your Skills & Abilities (Required Qualifications)

• Bachelors degree in chemistry materials science chemical engineering or a closely related field.
• 5 years of experience in battery manufacturing or pack design focusing on formation and end of line cell quality.
• Handson experience in cell or module production environments focusing on formation aging and end of life testing.
• Deep understanding of lithiumion cell electrochemistry including SEI and CEI formation electrode/electrolyte interfaces and cyclical degradation mechanisms.
• Experience working with end of line vision systems and automated material movements.
• Demonstrated experience with battery cycling equipment.
• Practical experience using CT scanning or other advanced internal characterization methods such as SEM.
• Strong working knowledge of core quality and statistical tools including design of experiments (DOE) statistical process control measurement systems analysis (MSA) and risk analysis tools (FMEA).
• Proven ability to interpret and influence product and process requirements using both electrochemical and material science fundamentals.
• Demonstrated technical leadership including mentoring crossfunctional influence and the ability to drive complex multivariable problems to closure.
• Effective communication skills capable of explaining complex electrochemical concepts to diverse technical and operational audiences.

What Will Give You A Competitive Edge (Preferred Qualifications)

• Advanced degree in electro-chemistry Materials Science and Engineering or a closely related field.
• Experience integrating formation and aging data with CT and spectroscopy techniques.
• Familiarity with gigafactory scale manufacturing systems used to manage large cycling and test datasets to disposition finished cells.
• Experience implementing new quality systems including quality inspection tools and equipment in pilot environments.
• Experience with advanced analytics (e.g. multivariate analysis machine learning on cycling and CT data) to identify patterns linked to early cell failures.

Work Environment

• Role is based at GMs Battery Cell Development Center (BCDC) at the GM Global Technical Center.
• Requires regular onsite presence in wetting formation aging and test areas as well as lab environments for characterization and analysis with appropriate personal protective equipment.
• Occasional travel may be required to production plants suppliers research partners and external test laboratories.

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