Battery Cell Engineer

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Job Description:

Your Work Shapes the World at Caterpillar Inc.

When you join Caterpillar, you're joining a global team who cares not just about the work we do – but also about each other. We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don't just talk about progress and innovation here – we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it.

Job Responsibilities:

• Research on Cell Technology Roadmap and Industry Outlook

Continuously monitor domestic and international power battery cell technology trends, covering new chemistries and systems such as NCM, LFP, and condensed-state batteries, as well as novel structures (large cylindrical cells, CTP, fast charging, long lifecycle, module-less designs, etc.). Deliver annual cell technology roadmap assessment reports and benchmarking analyses to support the company's battery product planning and iterative decision-making.

• Cell Selection, Benchmarking, and Designation Evaluation

Integrate requirements for vehicle range, fast charging, lifecycle, and cost to complete multi-supplier cell benchmarking, risk and cost assessments, and establish selection standards to facilitate cell designation and integration.

• Cell Introduction Verification and Vehicle Adaptation Technical Support

Plan verification of cell electrical performance, high/low temperature, lifecycle, and safety. Evaluate compatibility with BMS, thermal management, and pack structure, providing optimization solutions and design constraints.

• Cell Supplier Technical Coordination and Management

Act as the main contact window for OEMs, responsible for cell introduction, specification change reviews, and participating in supplier capability audits and quality issue rectification to ensure stable cell delivery quality.

• Cell Application Issue Failure Analysis and Closed-Loop Management

Address cell abnormalities in vehicles/battery packs, such as voltage differences, degradation, self-discharge, and thermal risks. Utilize 8D/5Why methods to pinpoint root causes, distinguish between cell, system, and operating condition issues, and drive supplier corrective actions to closure.

• Cell Technology Standards, Specifications, and Knowledge Base Construction

Establish cell selection, qualification, application guidelines, and restricted item standards. Improve benchmarking databases and failure case libraries to reduce risks in mass production and after-sales.

• Project Synchronization and Cross-Department Collaboration

Coordinate with battery system, BMS, calibration, procurement, and other teams to deliver technical requirements, track cell adaptation progress for various models, and ensure projects meet mass production timelines.

主要职责：

• 电芯技术路线研究与行业前瞻

持续跟踪国内外动力电池电芯技术发展趋势，涵盖三元/磷酸铁锂/凝聚态等新体系、新结构（大圆柱、CTP、快充、长寿命、无模组等）；输出年度电芯技术路线研判报告、电芯对标分析，支撑公司电池产品技术规划与迭代决策。

• 整车电芯选型、对标与定点评估

结合整车续航、快充、寿命、成本等需求，完成多厂家电芯对标、风险与成本评估，制定选型标准，支撑电芯定点导入。

• 电芯导入验证与整车适配技术支持

策划电芯电性能、高低温、寿命、安全性验证，结合BMS、热管理、Pack结构评估适配性，给出优化方案与设计约束

• 电芯供应商技术对接与管控

作为主机厂对接窗口，负责电芯新品导入、规格变更评审，参与供应商能力稽核与质量问题整改，稳定电芯交付品质。

• 电芯应用问题失效分析与闭环

处理整车/电池包电芯压差、衰减、自放电、热风险等异常，用8D/5Why定位根因，区分电芯本体/系统/工况问题，推动供应商整改闭环。

• 电芯技术标准、规范与知识库搭建

搭建电芯选型、准入、应用规范及禁限项标准，完善对标数据库、失效案例库，降低量产与售后风险。

• 项目同步与跨部门协同

配合电池系统、BMS、标定、采购等团队输出技术条件，跟进车型电芯适配进度，保障项目按期量产

Job Requirements:

• Bachelor’s degree or above, specializing in electrochemistry, materials, or other related fields
• Above 6 years of related working experience
• Proficient in the application characteristics of mainstream cell systems such as ternary and lithium iron phosphate (including lifespan, rate performance, temperature characteristics, safety boundaries, and failure mechanisms)
• Familiar with power battery operating conditions in vehicles, cell and BMS strategies, thermal management, and the matching logic of Pack structures
• Skilled in benchmarking, selection, validation planning, and risk assessment for battery cells, capable of independently delivering selection plans and technical reports
• Rich experience in failure analysis and problem-solving for battery cells at the vehicle level, as well as technical negotiations and rectifications with suppliers
• Well-versed in automotive industry development processes such as APQP, PPAP, and FMEA, and familiar with national and corporate standards for battery cell testing and validation
• Clear logical thinking and deep technical expertise, able to independently make technical decisions for multiple projects related to battery cells
• Strong ability to drive cross-department collaboration and interface with suppliers on technical matters

职位要求：

• 本科及以上学历，电化学及材料等相关专业
• 6年以上相关工作经验
• 精通三元、磷酸铁锂主流电芯体系的应用特性（寿命、倍率、温度特性、安全边界、失效机理）
• 熟悉整车动力电池工况、电芯与BMS策略、热管理、Pack结构的匹配逻辑
• 熟练开展电芯对标、选型、验证策划、风险评估，能独立输出选型方案与技术报告
• 具备丰富的整车端电芯失效分析、问题定位、供应商技术博弈整改经验
• 熟悉汽车行业APQP、PPAP、FMEA开发流程，熟悉国标/企标电芯测试验证规范
• 逻辑清晰、技术沉淀深，能独立负责多项目电芯技术决策
• 具备较强的跨部门推动能力与供应商技术对接能力

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Caterpillar is an Equal Opportunity Employer. Qualified applicants of any age are encouraged to apply

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