Battery Materials Characterization Engineer
Do you have a passion for invention and self-challenge? Do you thrive on pushing the limits of what's considered feasible? As part of our Battery Engineering group, you'll help craft creative battery solutions that deliver more energy in smaller spaces than ever before! You'll work across fields to transform improved hardware elements into a single, integrated design. Join us, and you'll help us innovate new battery technologies that continually outperform the previous iterations. By collaborating with other product development groups across Apple, you'll push the industry boundaries of what batteries can do and improve the product experience for our customers across the world.
Description
As part of the materials characterization team, you will function as the subject matter expert for structural characterization and chemical analysis of lithium-ion battery materials and systems, with a strong foundation in Raman spectroscopy and complementary techniques including SEM, FIB-SEM, and FTIR. You will develop methods based on project needs to build a deep understanding of failure mechanisms and root causes in lithium-ion batteries, while also reviewing data from other analysts and coordinating the use of multiple techniques to drive materials understanding and causations between materials properties and performance.
Responsibilities:
Acquire, analyze, and interpret data using in-situ/ex-situ Raman microscopy/mapping for structural characterization and chemical analysis of Li-ion battery materials (cathodes, anodes, electrolytes, interfaces, and degradation products)
Perform SEM and FIB-SEM analysis for morphological, cross-sectional, and microstructural characterization of battery materials and cell components
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Conduct FTIR spectroscopy measurements for chemical identification and analysis of battery material surfaces, SEI layers, and electrolyte decomposition products
Optimize acquisition parameters and develop new methods across Raman, SEM, FIB-SEM, FTIR, and other relevant techniques
Identify and define the proper characterization techniques for submitted samples and implement focused characterization projects using multiple complementary techniques to drive root-cause analysis and a deep material understanding
Collaborate with other departments, including production and R&D, on projects involving process-property (materials)-performance relationships
Get trained on and support additional characterization techniques, and review data from other analysts
Adhere to best-of-class lab practices: maintain an organized and clean laboratory environment, ensure sample piece location is controlled, and follow all lab safety regulations
Preferred Qualifications
M.S. or Ph.D. in chemistry, materials science, chemical engineering, or related field, with graduate-level coursework or research involving Raman spectroscopy and electron microscopy applied to energy storage materials
Deep knowledge of Raman spectroscopy for Li-ion battery materials, including interpretation of spectra for common materials (e.g., graphite, silicon, NMC/NCA cathodes, LFP, solid electrolytes)
Hands-on experience with SEM and FIB-SEM, including sample preparation, cross-sectioning, imaging, and EDS analysis of battery materials
Proficiency in FTIR spectroscopy (transmission, ATR, and/or microscopy modes) for chemical characterization of battery-relevant materials
Demonstrated track record of applying Raman and complementary characterization techniques (SEM, FIB-SEM, FTIR) to solve critical problems in battery material development and/or identification of battery degradation mechanisms
Experience handling and preparing air-sensitive battery materials (glovebox operation, inert atmosphere sample transfer)
Experience with additional characterization techniques such as XRD, XPS, TEM, or optical microscopy
Minimum Qualifications
BS in chemistry, materials science, chemical engineering, or related field, with a minimum of 3 years of relevant industry experience.
Experience with Raman spectroscopy or relevant.
Experience with at least one characterization technique - SEM, FTIR or XRD.
Pay & Benefits
At Apple, base pay is one part of our total compensation package and is determined within a range. This provides the opportunity to progress as you grow and develop within a role. The base pay range for this role is between $141,800 and $258,600, and your base pay will depend on your skills, qualifications, experience, and location.
Apple employees also have the opportunity to become an Apple shareholder through participation in Apple's discretionary employee stock programs. Apple employees are eligible for discretionary restricted stock unit awards, and can purchase Apple stock at a discount if voluntarily participating in Apple's Employee Stock Purchase Plan. You'll also receive benefits including: Comprehensive medical and dental coverage, retirement benefits, a range of discounted products and free services, and for formal education related to advancing your career at Apple, reimbursement for certain educational expenses - including tuition. Additionally, this role might be eligible for discretionary bonuses or commission payments as well as relocation. Learn more about Apple Benefits
Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program.
Perks and Benefits
Health and Wellness
Parental Benefits
Work Flexibility
Office Life and Perks
Vacation and Time Off
Financial and Retirement
Professional Development
Diversity and Inclusion
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