特斯拉电芯测试技师 Cell Test Technician

Cell lab equipment technician Job location: Tesla Shanghai cell certification lab Report to: Tesla Shanghai lab manager This test equipment technician will work on a team to help in lithium ion cell performance through cell testing. They will support cycle life test plans and procedures, support engineers to operate test equipment(including daily checking, upgrading and maintenance) and design fixtures under different complex working condition which may over regulation standards. They will be the first-responding problem solvers who manage machine breakdowns and recoveries. This is a physically demanding job working, and utilize other hand tools and power tools as needed. Responsibilities * Perform and calibrate on all battery test equipment and related tools, bench and fixtures. * Diagnose equipment failures - root cause and communicate required actions across relevant teams. * Perform major equipment repairs, update and installations. * Collaborate with Engineering teams to improve equipment reliability and maintenance protocols. * Perform corrective maintenance on more than one of these types of equipment: o Electrical systems ranging from 24 VDC to 480 VAC o Mechanical systems o Vacuum systems o cooling/fan systems o PLC and networks o Inspection Equipment

THE ROLE: As a cell test engineer, you will join a core technology team tasked with developing cutting edge techniques for investigating the physical and chemical degradation mechanisms in all cell chemistries used in Tesla products. This engineer’s primary role will be to develop and execute targeted test plans that evaluate and qualify novel cell designs from Tesla’s cell vendors. The ideal candidate will exhibit outstanding attention to detail, possess strong organization skills, and be motivated to accelerate the world's transition to sustainable energy. RESPONSIBILITIES: Execution and maintenance of lithium ion cell performance tests using common cell cycling equipment, temperature/humidity chambers and recirculating chillers. Write test plans, propose design of experiments and summarize results in test reports. Use test data to optimize cell lifetime by specifying system level usage parameters such as charge algorithms, storage temperatures, cycle temperatures, etc. Coordinate cell level destructive physical analysis and other analytical techniques to analyze mechanisms of energy and power loss in cells. Be a member of a cross functional product development team to help determine the ideal cell chemistry and design for Tesla’s applications.

1. 负责电芯设计阶段(A样)的可制造性的识别与评审，并对识别出的设计可制造性风险提出工艺优化建议（如极耳设计过长或过宽导致极耳翻折等）； 2. 负责对识别出的可制造性风险项进行工艺方案设计及验证，基于可制造性风险识别清单，设计工艺验证方案(单因子、全因子、田口法etc.)、实施验证、整理分析，得到风险解决和改善措施，并对下游的设备、品质和生产提出具体要求，并体现于控制计划； 3. 负责电芯设计阶段(A样)电芯设计指标的工艺拆解、工艺方案设计与论证（对应交付物，工艺验证计划、A样工艺开发L&L、A样制造过程能力分析、A样工艺总结报告、建立初版过程控制计划等）； 4. 负责主导电芯工程验证阶段(B样)过程能力验证、过程能力指标达标，工艺参数的锁定；推动完成MSA检测和工装夹具开发（对应交付物，B样制造过程能力分析、B样工艺总结报告、B样过程控制计划、B样工艺开发L&L等）； 5. 自研项目量产导入阶段(C样)，负责良率提升攻坚，针对爬坡阶段TOP问题点协调资源攻坚改善；产能爬坡瓶颈突破，优化工序平衡、推动实施自动化改造提高生产节拍 ； 6. 代工项目量产导入阶段(C样)，负责提出产能爬坡要求，督促合作伙伴及时优化工序平衡、自动化改造以提高生产节拍，协助爬坡阶段TOP问题点协调攻坚改善已提升良率； 7. 自研项目移交维护阶段(SOP)，负责量产稳定性评估及报告输出，连续3批次CPK≥1.33，良率达标；工艺控制文件包编制、输出，如CP、SOP、PFMEA三件套100%完成签核；问题追踪清单（LOP）编写、输出，未关闭项需明确解决时限； 8. 负责上下游工作的承接和需求提出（对于上游设计的输入具备承接、识别能力，如可制造性风险识别；对于下游的设备、品质和运营具备提出需求的能力；对应交付物，工装设备改造需求、DFM、各工序量检具清单需求、生产人力配置需求等）； 9. 负责重要和关键产品参数(YCYS)与过程参数(CCSC)之间定性/定量关系的探索（如：涂布泵速、模头Gap值、垫片尺寸、烘箱温度风频etc.对涂布面密度的影响，对应交付物，工艺验证报告等）； 10. 负责工艺现场维护与监控，电芯生产过程全程跟进，各工序生产产品和过程参数管控；良率提升，各工序良率分析，Top良率损失项改善；分析直通率（FPY）瓶颈点，主导改善DOE实验，优化工艺窗口。 11. 负责标准化工艺文件编写、修改、落地实施监督，如PFMEA、作业指导书、过程控制计划、工艺规格牌等。 12. 负责现场异常处理与快速响应，生产现场异常点快速分析、给出临时止血措施和中长期改善措施，对于异常半成品联合品质与生产进行分析拦截。 13. 跨部门协同，与研发协作推动设计变更、反馈量产极限参数能力（如涂布最大宽幅、分切最大分切精度等），承接设计变更进行工程变更；与客户对接协作，PPAP文件提交，客户特殊要求落地。

该岗位隶属于tesla电池质量团队，负责模组，Pack和售后等等与电芯相关质量问题解决及持续改善，参与电芯新项目的质量预防规划、产品验证等工作。 职责描述： 问题预防与解决： 1. 负责电池车间电芯质量问题的快速响应，联合电芯来料质量等部门制定遏制措施，分析问题发生的根本原因，推动措施的落实和问题的闭环； 2. 统计售后市场电芯不良问题的类型及趋势，挖掘问题发生的根本原因，推动和跟踪措施的落实，推动供应商端系统改善，防止相似问题的发生； 3. 牵头电芯相关质量改善项目，对电池车间和供应商端的电芯质量风险点进行提前识别，预防质量问题的发生； 4. 参与供应商和特斯拉端电芯相关工艺变更的评估和确认； 5. 参与电芯新项目质量检验的策划，包括电芯来料检验、产线检验项目及规格的制定等。 团队协作： 1. 带教工程师及技师，在电芯专业技术上进行辅导，帮助队伍发展成长； 2. 协调工艺/电芯来料质量/工程等团队共同进行问题的解决和预防工作。