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Ultrasonic Metal Welding
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Ultrasonic Battery Tab Welding | Lithium Battery Cell Electrode Welding
2026-08-05 00:00:00
.welder-sample{font-size:15px;line-height:1.85;color:#374151;max-width:900px} .welder-sample h3{font-size:18px;font-weight:600;color:#111827;margin:28px 0 12px;padding-left:14px;border-left:3px solid #DC2626} .welder-sample p{margin:0 0 14px} .welder-sample .spec-box{background:#F9FAFB;border-radius:10px;padding:18px 22px;margin:16px 0;border-left:3px solid #DC2626} .welder-sample .spec-box strong{color:#111827} .welder-sample img{max-width:100%;height:auto;border-radius:10px;margin:8px 0;box-shadow:0 2px 12px rgba(0,0,0,0.08)} .welder-sample .img-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px} .welder-sample .img-grid img{width:100%;height:auto;margin:0} .welder-sample .tag{display:inline-block;background:#FEF2F2;color:#DC2626;font-size:12px;font-weight:600;padding:2px 10px;border-radius:10px;margin-right:4px} @media(max-width:768px){.welder-sample .img-grid{grid-template-columns:1fr}} 焊接类型 超声波电池极耳焊接(Ultrasonic Battery Tab Welding)—— 将电池极片多层箔材(铝箔/铜箔)与极耳(铝极耳/镍极耳)通过超声波振动实现固态焊接,是锂电池电芯制造中的核心工艺环节。 工艺参数: 频率20kHz | 焊接功率1500~2500W | 焊接时间0.2~0.4s | 振幅35~55μm 适用极片: 铜箔(8~20μm)×多层 + 镍极耳(0.1~0.3mm) 铝箔(12~20μm)×多层 + 铝极耳(0.1~0.3mm) 焊接效果: 焊合率≥95% | 剥离强度≥极耳本体强度80% | 焊后极片无裂纹 工艺优势 电池极耳焊接对精度和一致性要求极高——焊点过深会损伤极片导致内短路,焊点过浅则内阻超标。我司焊接设备采用实时能量补偿技术(RTC),在连续生产中保持每次焊接能量偏差<±3%。配合CCD视觉定位系统,极耳对位精度可达±0.1mm,满足动力电池和储能电池的严苛工艺要求。 适用电芯类型:圆柱电池(18650/2170/4680)、方形铝壳电池、软包电池。 ▼ 电池极耳焊接样品实物图展示
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