Battery Cell Engineer, Characterization/Failure Analysis

Irvine, CA /
Propulsion – Energy Storage /
Full Time
This is what you’ll do:
·        Characterize cell degradation and failure modes through electrochemical and physical characterization techniques (non-destructive and destructive test methods). Identify root causes and propose solutions to mitigate the risk and maximum cell performance and lifetime from both design and usage.
·        Develop new test techniques to develop understanding of cell degradation and failure modes.
·        Dissect and harvest cell’s components (electrodes, electrolyte and separator…) and investigate their degradation mechanisms and failure modes using different electrochemical techniques and analytical instruments.
·        Design new cell format/configuration to characterize cell/electrode/material such as 3-electrode cells…
·        Perform dQdV, dVdQ analysis.
·        Develop new methods/tools to identify degradation mechanisms and lifetime prediction for lithium ion batteries.
·        Train other cell engineers and technicians.
·        Prepare concise report and effectively present to internal and external teams.
This is what you’ll need:
·        PhD in chemistry/chemical engineering or materials science with more than 5 years working on lithium ion batteries. Industrial experience preferred.
·        Strong understanding about lithium ion batteries, their degradation and failure modes.
·        Hands on experience in electrochemical techniques such as EIS, GITT, CV, PITT…
·        Hands on experience in material characterization: XRD, SEM, TEM, FTIR, GCMS…
·        Demonstrated experience on cell’s characterization.
·        Strong understanding about the principle of dQdV and dVdQ and their application in degradation and failure mode identification.
·        Strong understanding about cell’s components and their interactions inside the cell.
·        Hands on building and tear down cells.
·        Experience in working with glovebox, handling air-sensitive materials.
·        Can work independently with minimum supervision and work well in a team.
·        Problem solving skills, think outside of the box.
·        Desire to work in fast-paced environment.
·        Passionate about research/work in lithium ion batteries, especially in EV. Willing making extra effort to get the job done!
·        Excellent communication and time management skills.
·        Experience in data analysis tool such as Python is a plus.

Rivian is on a mission to keep the world adventurous forever. This goes for the emissions-free Electric Adventure Vehicles we build, and the curious, courageous souls we seek to attract.

As a company, we constantly challenge what’s possible, never simply accepting what has always been done. We reframe old problems, seek new solutions and operate comfortably in areas that are unknown. Our backgrounds are diverse, but our team shares a love of the outdoors and a desire to protect it for future generations.

We operate development centers in Plymouth, MI, Irvine CA and San Jose, CA, and Surrey, England, as well as a manufacturing facility in Normal, Illinois.

Rivian is an Equal Opportunity Employer and Prohibits Discrimination and Harassment of Any Kind: Rivian is committed to the principle of equal employment opportunity for all employees and to providing employees with a work environment free of discrimination and harassment. All employment decisions at Rivian are based on business needs, job requirements and individual qualifications, without regard to race, color, religion or belief, family or parental status, or any other status protected by the laws or regulations in the locations where we operate. Rivian will not tolerate discrimination or harassment based on any of these characteristics. Rivian encourages applicants of all ages.