Position Title: Flow Battery System Engineer

Position Overview

The Flow Battery System Engineer will focus on the development, optimization, and validation of core materials and system-level technologies for advanced flow battery energy storage systems.

This role is designed for candidates with a strong background in materials chemistry, electrochemistry, chemical engineering, or related disciplines. The candidate will work on key technical areas such as electrolytes, membranes, catalysts, electrodes, stack materials, and their integration into flow battery systems.

The role requires both strong scientific understanding and practical engineering awareness, with the goal of translating core material innovations into reliable and scalable flow battery products.

Key Responsibilities

Core Materials Development

Develop and optimize key materials for flow battery systems, including electrolytes, membranes, catalysts, electrodes, and stack-related materials;
Support the screening, formulation, modification, and performance evaluation of new material systems;
Investigate material compatibility, chemical stability, electrochemical activity, and long-term durability under flow battery operating conditions;
Work on next-generation material systems to improve system cost, efficiency, safety, and lifetime.

Electrochemical Testing & Performance Evaluation

Design and conduct electrochemical tests for materials and battery components;
Perform characterization such as charge-discharge testing, polarization analysis, impedance analysis, cycling stability testing, crossover evaluation, and efficiency measurement;
Analyze performance degradation mechanisms and propose improvement strategies;
Establish testing protocols for material comparison and system-level validation.

Flow Battery Stack & System Integration

Support the integration of core materials into flow battery systems;
Work with stack, mechanical, electrical, and control teams to evaluate the impact of materials on system performance;
Participate in stack-level and system-level testing, including efficiency, power density, stability, and reliability evaluation;
Support scale-up from laboratory cells to engineering-scale stacks and systems.

Materials Compatibility & Reliability

Evaluate chemical compatibility between electrolytes, membranes, electrodes, seals, piping, and other system components;
Identify risks related to corrosion, swelling, crossover, precipitation, gas evolution, or performance decay;
Support material selection for long-term stable operation of flow battery systems;
Develop mitigation strategies for material-related failure modes.

Technology Roadmap & Product Development Support

Support the development of technical roadmaps for current and next-generation flow battery products;
Translate laboratory results into engineering requirements for stack and system design;
Contribute to product performance optimization, cost reduction, and manufacturability improvement;
Support technical documentation, experimental reports, and internal design reviews.

Cross-functional Collaboration

Collaborate closely with R&D, stack engineering, system engineering, manufacturing, and testing teams;
Communicate material requirements and experimental findings to engineering teams;
Support supplier evaluation, material sourcing, and external technical collaboration when required;
Participate in technical discussions with academic partners, suppliers, and industry collaborators.

Qualifications

Education

PhD degree in Materials Chemistry, Electrochemistry, Chemical Engineering, Materials Science, Energy Engineering, or related disciplines;

Experience

Experience in battery materials, flow batteries, fuel cells, electrochemical systems, membranes, catalysts, electrolytes, or related fields;
Hands-on experience with electrochemical testing and materials characterization;
Experience in translating material research into engineering applications is preferred;
Experience with flow battery stacks or energy storage systems is a strong plus.

Skills & Competencies

Strong understanding of electrochemistry, materials chemistry, and energy storage systems;
Familiarity with electrochemical testing methods such as CV, EIS, polarization curves, charge-discharge cycling, and long-term stability testing;
Ability to analyze material degradation and system performance issues;
Strong experimental design, data analysis, and problem-solving capability;
Good communication and cross-functional collaboration skills;
Ability to work in a fast-paced R&D and engineering environment.

Preferred Qualifications

Experience with flow battery electrolytes, ion-exchange membranes, redox-active materials, or electrode/catalyst development;
Experience with membrane crossover, electrolyte stability, redox kinetics, or stack performance optimization;
Familiarity with material characterization tools such as SEM, XRD, XPS, FTIR, UV-Vis, ICP, or rheology;
Experience in scale-up, pilot testing, or industrialization of battery materials;
Experience with sulfur-based, iron-based, vanadium, zinc-based, bromine-based, or other aqueous flow battery chemistries;
Experience in patent drafting, technical reporting, or government-funded R&D projects.

Role Expectations

The Flow Battery System Engineer is expected to bridge core material research and flow battery system development. The candidate should help convert material-level innovations into practical system-level performance improvements, supporting the development of safe, reliable, low-cost, and long-duration flow battery energy storage products.

This role is suitable for candidates who are scientifically rigorous, engineering-oriented, and motivated to contribute to the commercialization of next-generation energy storage technologies.

Luquos Energy Limited

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Flow Battery System Engineer