Senior Electrochemical Modeler

Agratas – A Tata Enterprise; Bengaluru; On-site; INR 1,800,000 - 2,800,000; Full time

Job summary

Agratas – A Tata Enterprise designs, develops and manufactures high‑quality batteries for mobility and energy, with R&D hubs in India and the UK. We seek a scientist to develop electrochemical and physics‑based models of Li‑ion cells to predict voltage under different temperatures, SOC and current, and to apply aging concepts.

Candidates should hold a PhD in battery electrochemistry or related field and 3+ years of industrial modelling experience; you will calibrate models with experiments,

Qualifications

• PhD in battery electrochemistry, chemical engineering, or mechanical engineering.
• 3+ years of industrial experience in battery modelling.
• Experience with electrochemical modelling tools (COMSOL, Battery Design Studio, AutoLion).
• Deep understanding of Li-ion cell electrochemistry.
• Deep understanding of degradation mechanisms and failure modes.
• Proficient in MATLAB/Simulink.
• Preferred: experience with BMS algorithms (SOP, SOC, SOH).
• Preferred: AI applications in design and manufacturing.

Responsibilities

• Develop electrochemical model of lithium ion cells to predict voltage across conditions.
• Develop physics-based models to predict cell performance vs design and manufacturing variables.
• Apply models to optimize cell design and manufacturing process.
• Develop aging models by empirical or physics-based methods.
• Calibrate aging model with DOE and validate via lab tests or field data.
• Apply aging model to predict battery lifetime and warranty under varying conditions.

Skills

Battery modelling

Electrochemical modelling

Li-ion chemistry

Degradation mechanisms

MATLAB/Simulink

Education

PhD in battery electrochemistry/related

Tools

COMSOL

Battery Design Studio

AutoLion

MATLAB/Simulink

Job description

Agratas is a wholly owned subsidiary of Tata Sons. We design, develop and manufacture high-quality, high-performance, sustainable batteries applied to multiple use cases in the mobility and energy sectors, to match our customers’ requirements. Agratas is a scale-up business with a start-up mentality, driven by our pursuit of green growth and technological progress. We develop next-generation battery technologies at our state-of-the-art R&D Innovation Hubs in India and the UK.

Responsibilities

• Develop electrochemical model of lithium ion cells to predict voltage response with a robustness to cover different operating conditions of temperature, state of charge, and current.
• Develop physics-based and/or electrochemical model of lithium-ion cells to predict cell performance dependence on various cell designs and manufacturing variables such as coating thickness, material composition, coating microstructure.
• Apply the models to optimize cell design and manufacturing process.
• Develop aging model of lithium-ion cells by empirical and/or physics-based models.
• Calibrate the aging model by design of experiments and validate the aging model by lab tests and/or field data.
• Apply aging model to predict battery lifetime and/or warranty for different operating conditions.

Qualifications

• PhD in battery electrochemistry, chemical engineering, or mechanical engineering

Required Skills

• At least 3+ years of industrial experience in battery modelling
• Experience in electrochemical modelling tools such as COMSOL, Battery Design Studio, AutoLion, or other software tools.
• Deep understanding of cell electrochemistry of lithium-ion cells
• Deep understanding of cell degradation mechanisms and failure modes
• Proficient in Matlab/Simulink

Preferred Skills

• Experience in BMS algorithm such as SOP, SOC, SOH
• Experience in AI applications in design and manufacturing