ExxonMobil
From ExxonMobil's careers page
Status: listed on the employer's own careers page when we last checked (daily). Confirm on their site before applying.
Job Group Capability
Process Engineering & Products
Job Group
Products Technology
Job Role Description
Position Overview Focus on the qualification of anode graphite material in battery cells. Collaborate with cross-regional technical teams to conduct research on material mechanisms and develop technical solutions for applications, e.g. Electrical car battery and energy storage system. Support anode graphite material performance iteration and optimization at cell/electrode level, and work with business teams to drive the commercialization of products.
1. Responsible for leading the labs to do coin cells, pouch cells, and full cells using artificial graphite, and/or silicon-carbon, hard carbon & other anode materials. Conduct systematic evaluation for anode graphite performance, including first-cycle coulombic efficiency, capacity, compact density, swelling, charging rate, high/low temperature performance, and cycle life. 2. Conduct cell performance test and failure analysis, including root cause identification through advanced characterization and electrochemical testing; lead DOE (Design of Experiments) design and performance validations. 3. Conduct qualification of anode materials in different cathode systems (LFP, NCM, etc.), and assist in the optimization of N/P ratio, electrode structure, electrolyte system, and interface stability. 4. Responsible for validating the anode materials with various electrolyte systems; analyze the correlations of solvents, lithium salts, and functional additives on anode materials, resistance, cycle stability, lithium precipitation, and side reaction behaviors. 5. Knowledgeable in structure-properties relationship between anode material and the dispersion of electrode slurries, electrode coating, and calendaring processes; identify processing risks and provide optimization solutions. Based on testing results, identify material-level, interface-level, and cell level technical issues, and collaborate with internal technology teams to upgrade in coating, modification, and size control on particles.
Functional Skills
Elastomers Application
Tires Application
Product Development
Film Application
Product Structure-Property Relationships
Automotive Polymer Application
Coating Polymer Application
Extrusion & Compounding Application
Molding & Forming Application
Nonwoven Application
Composites Fabrication & Application
Battery Material Application
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