“动力+储能”双轮驱动，46系列圆柱电池时代加速到来

随着“动力+储能”双市场的持续高进，新能源锂电行业保持着高速发展势头。近期，圆柱、方形、软包三大电池形态之一的46系列圆柱电池又迎来了行业新动向。

4月20日，马斯克在特斯拉财报会上表示，Cybertruck计划使用4680电池，并将4680大圆柱电池应用于市场前景广阔的储能领域。除特斯拉之外，国内外众多车企与电池企业也在积极推动大圆柱电池的布局与量产，鹏辉能源、航天锂电、中比新能源、时代联合等储能电池企业表示大圆柱电池同样适用于储能领域，并将在储能领域发挥重大作用。2023-2024年大圆柱在储能领域将逐渐起量。目前，46系列圆柱电池已逐渐应用于电动汽车、储能电池、航空航天等领域，未来也将迎来更大的发展机遇。

作为智能装备第一梯队企业，我们深知46系列圆柱电池市场的重要性，也将积极成为推动这场技术革命的“抢跑者”。利元亨拥有直线式、转塔式和磁悬浮46系列圆柱电池整线解决方案，愿与广大客户携手合作，共同推动46系列圆柱电池技术的创新和发展。

利元亨46系列圆柱电池整线新技术、新产品揭秘！
圆柱锂电池整线解决方案

多种高速组装线解决方案：直线式-转塔式-磁悬浮

利元亨46系列圆柱电池组装段解决方案可分为：直线式、转塔式和磁悬浮三种，优率≥99.5%，设计产能最高可达360PPM，故障率低于2%，至今已累积了多个项目经验，可有效解决46系列圆柱电池整线制造中的痛点。

利元亨46系列圆柱整线设备采用多种前沿技术，如极耳高速激光切、极耳高速预折、极耳无损成型、集流盘飞行焊、正极柱穿透飞行焊接、焊接质量在线检测、多种端盖封口技术、密封钉飞行清洗、视觉飞拍检测等，自动化程度高、效率高，生产过程中多处进行检测监控、除尘，确保电池极限制造。

智能信息化管理平台实现生产信息可追溯

通过配置智能信息化管理平台，绑定极组码、钢壳码、套膜码等，对生产过程中关键工艺参数进行实时MES管理，实现整线电池生产信息可追溯、生产过程的高效性和可追溯性，保障整线运行的完整性、一致性、高效性。
极耳激光模切丨切割速度达150M/min

利元亨极耳模切支持不同切割工艺：等长-无废料边-直切/斜切、等长不等间距-去废料边-直切、等长不等宽-无废料边-直切等。

切卷一体机


机械式揉平技术

利元亨全极耳圆柱电池揉平方法采用机械式揉平技术，支持一出一揉或一出多揉，通过不同角度揉平头进行弯折成型，实现全极耳高速、无损成型、有序排列，无金属粉尘。
正/负集流盘焊接机。

正集流盘焊接机

负集流盘焊接机

利元亨在圆柱电池集流盘焊接环节采用采用转塔飞行焊接技术，焊接速度＞300mm/s，焊接拉力＞100N，焊接残留＞80%，创新性多工位分段式激光加工可实现单机产能≥300PPM，同时具备焊接质量在线检测，集流盘与极组压力在线监控功能。可有效解决在焊接过程中集流盘易与极组的端面发生焊穿伤隔膜造成短路等问题，使用自研飞行控制系统，可达到整系统±0.1mm的飞行重复定位精度，保证高效焊接时序的同时，精益求精的6σDOE实验数据采集能够确保激光焊接的质量和稳定性。同时，还提供焊穿、炸点、温度过高损伤隔膜等问题的在线检测以及焊后倒立除尘，强化除尘效果，有效清除过程中产生的金属碎屑、粉尘，避免短路。

正极柱穿透飞行焊

采用转塔式飞行焊接，可实现高速焊接不停歇，可达到200PPM的产能，焊接效率高，同时节省产线空间长度，精准视觉定位系统，保障焊接精度高，熔池均匀，焊缝裂纹气孔少。

多种端盖封口工艺

具备高性价比的滚槽封口与高密度激光封口两种工艺，激光封口通过准直头同轴监控焊接技术、直驱运动控制技术、实时激光功率控制、焊接在线检测等技术，实现圆柱电池端盖焊接的一致性，壳体外侧无焊穿、焊痕、氧化变色等问题，焊接余高为0μm，熔深＞400μm，外观无氧化变色，耐压性≥2MPa。

密封钉焊接

采用转塔式机构，可达到150PPM，采用自研同轴视觉系统，高速图像处理，实现信号传输超低延时，可精准定位焊接位置，实时激光功率监控，无烧黑、炸点、焊穿、焊偏等，可实现焊接外表光滑。

粉尘控制能力

5mm近距离除尘方案，模拟仿真结论与实测数据一致，除尘效率可达99.9%；搭配高效过滤FFU，设备换风次数130次/h，确保设备内部环境1万级。

01 Dual wheel drive with "EV + energy storage", accelerating the era of 46 series cylindrical batteries

As the first echelon enterprise in intelligent equipment, we are well aware of the importance of the 46 series cylindrical battery market and will actively become the driving force behind this technological revolution. Now we have formed a complete production line solution for linear, turret and magnetic levitation 46 series cylindrical batteries. We are willing to cooperate with our customers to jointly promote the innovation and development of 46 series cylindrical battery technology.

02 Lyric 46 Series Cylindrical Battery Line New Technology and New Products Revealed!

The assembly section solutions for Lyric 46 series cylindrical batteries can be divided into three types: linear type, turret type and magnetic levitation, with a yield rate of ≥ 99.5%. The designed production capacity can each up to 360PPM, with a failure rate of less than 2%. To date, we have accumulated multiple project experiences, which can effectively solve the pain points in the whole production line of 46 series cylindrical batteries.

01 Intelligent Information Management Platform Realizes Traceability of Production Information

By configuring an intelligent information management platform and binding jelly roll codes, steel housing codes, and mantle codes, real-time MES management of key process parameters during the production process is implemented to achieve traceability of battery production information and high efficiency of the production process, ensuring the integrity, consistency, and efficiency of the entire line operation.

02 Tab laser notching with a cutting speed of 150m/min

Lyric tab notching supports different cutting processes: equal length - no waste edge - straight/oblique cutting, equal length and unequal spacing - no waste edge - straight cutting, equal length and unequal width - no waste edge - straight cutting, etc.

The maximum matching dynamic processing speed can reach 150m/min

Tab width accuracy: ≤ ± 0.1mm

Cutting burrs: longitudinal ≤ 7 μm, horizontal ≤ 14 μm

Heat affected zone: anode ＜ 50 μm, cathode ＜ 80 μm

03 Cutting and Winding integrated machine

Efficiency: slice length ≤ 5.5m, ≥ 17PPM

Yield: ≥ 99.5%

Utilization: ≥ 98%

Winding alignment: ≤ ± 0.25mm (including S/A, A/C)

Laser cutting speed: ≤ 120m/min

Cutting burrs: longitudinal ≤ 7 μm, horizontal ≤ 14 μm

Heat affected zone: anode ＜ 50 μm, cathode ＜ 80 μm

04 Mechanical Flattening Technology

05 Collecting plate welding

Lyric adopts flight welding technology in the welding process of the cylindrical battery collector plate, with a welding speed of>300mm/s, welding tension of>100N, and welding residue of>80%. This can effectively solve the problems of welding penetration and damage to the separator caused by short circuits between the collector plate and the end face of the jelly roll during the welding process. By using a self-developed flight control system, the system can achieve a flight repeat positioning accuracy of ± 0.1mm, ensuring efficient welding timing while striving for excellence 6σ DOE experimental data acquisition can ensure the quality and stability of laser welding. At the same time, it also provides online inspection of issues such as welding penetration, explosion points, and damage to the separator due to high temperature. It also provides inverted dust removal after welding, enhancing the dust removal effect, effectively removing metal debris and dust generated during the process, and avoiding short circuits.

06 Anode/Cathode Collecting Plate Welding Machine

Adopting turret flying welding technology and innovative multi-station segmented laser processing, it can achieve a single machine production capacity of ≥ 300PPM. At the same time, it has online welding quality inspection and pressure monitoring functions for the collector plate and jelly roll.

Single machine production capacity welding: ≥ 300PPM

Yield: ≥ 99.8%

Welding tension: ＞ 100N

Welding residue: ＞ 80%

Welding time: 0.2S/pcs

07 Anode pole penetration flight welding 

The use of turret type flight welding can achieve high-speed welding without stopping, reaching a production capacity of 200PPM, with high welding efficiency and saving production line space length. The precise visual positioning system ensures high welding accuracy, uniform molten pool, and fewer weld cracks and pores. 

Welding efficiency: 0.3s/ Φ 6mm circular ring

Average tensile force: ＞ 50N

Welding residue: ＞ 80%

08 Various end cap sealing processes

There are two processes for rolling groove sealing and laser sealing. Laser sealing adopts coaxial vision, direct drive motion control, real-time monitoring of laser power, and online welding inspection technology to ensure welding consistency. The appearance of the housing is free of problems such as welding penetration, welding marks, oxidation and discoloration. The welding clearance is 0, and the pressure resistance is ≥ 2MPa.

Penetration depth: ＞ 400 μ M

Melting width: 700-1000 μ M

Efficiency: 0.6s/pcs

09 Sealing nail welding

Adopting a turret type mechanism, it can reach 150PPM. It adopts a self-developed coaxial vision system and high-speed image processing to achieve signal transmission with ultra-low delay. It can accurately locate welding positions, monitor real-time laser power, and achieve smooth welding surface without burning black points, explosion points, welding penetration, welding deviation, etc. 

Penetration depth: ＞ 300 μm

Melting width: 800-1200 μm adjustable

Efficiency: 0.1s pre-welding, 0.3s full-welding

Thrust value: ＞ 100N

10 Dust control capability

The close-range dust removal concept, with simulation results consistent with measured data, achieves a dust removal efficiency of 99.9%;

Equipped with efficient filtering FFU, the equipment has 130 air changes per hour, ensuring a ISO 6 internal environment. 

Dust removal efficiency: ≥ 99.9%

Dust concentration inside the equipment: ISO 6