揭秘鋰電池安全守護(hù)者：包膠機(jī)技術(shù)全解析

在新能源浪潮的推動(dòng)下，軟包鋰電池以其高能量密度、輕量化設(shè)計(jì)以及卓越的安全性能，正逐步成為消費(fèi)電子、新能源汽車和儲(chǔ)能系統(tǒng)等領(lǐng)域的核心動(dòng)力源。而在這背后，一款看似不起眼卻至關(guān)重要的設(shè)備——包膠機(jī)，正默默守護(hù)著每一塊鋰電池的安全與性能。今天，就讓我們一起走進(jìn)包膠機(jī)的世界，探索它如何在鋰電池PACK生產(chǎn)線中扮演“隱形守護(hù)者”的角色。

Driven by the new energy wave, softpack lithium batteries, with their high energy densiy, lightweight design, and excellent safety performance, are gradually becoming the core power source in fields such as consumer electronics, new energy vehicles, and energy storage systems. Behind this, a seemingly unremarkable but crucial devicethe pouching machineis quietly safeguarding the safety and performance of every lithium battery. Today, let us delve into the world of pouching machines and explore how they play the role of an "invisible guardian" on the lithium battery PACK production line.

一、軟包鋰電池生產(chǎn)工藝概覽

1. Overview of the Production Process of Soft-Pack Lithium Batteries

軟包鋰電池的生產(chǎn)流程復(fù)雜而精細(xì)，包括電極制備、疊片/卷繞、封裝（鋁塑膜成型與密封）、注液、化成、分容等多個(gè)關(guān)鍵環(huán)節(jié)。其中，封裝環(huán)節(jié)尤為關(guān)鍵，它直接關(guān)系到電池的密封性、安全性和使用壽命。而包膠機(jī)，正是這一環(huán)節(jié)中的核心設(shè)備，對電池的極耳固定、絕緣處理及整體密封性起著決定性作用。

The production process of softpack lithium batteries is complex and meticulous, encompassing several key steps such as electrode preparation, stacking/rolling, packaging (forming and sealing of aluminumplastic film), liquid injection, formation, and grading. Among these, the packaging step is particularly critical as it directly affects the battery's sealability, safety, and service life. The pouching machine is the core device in this step, playing a decisive role in the fixation of battery tabs, insulation treatment, and overall sealability.

二、包膠機(jī)：鋰電池安全的“隱形盾牌”

2. Pouching Machine: The "Invisible Shield" for Lithium Battery Safety

1. 高精度溫控系統(tǒng)：包膠機(jī)的熱封溫度需精確控制在150°C至200°C之間，波動(dòng)范圍小于±1°C。這一精準(zhǔn)的溫度控制，確保了包膠材料與鋁塑膜的完美熔融粘接，既避免了膠層碳化，又保證了密封的可靠性。

HighPrecision Temperature Control System: The heatsealing temperature of the pouching machine needs to be precisely controlled between 150°C and 200°C, with a fluctuation range of less than ±1°C. This precise temperature control ensures the perfect melt adhesion of the pouching material and the aluminumplastic film, preventing the carbonization of the adhesive layer and ensuring the reliability of the seal.

2. 多工位協(xié)同設(shè)計(jì)：為提高生產(chǎn)效率，現(xiàn)代包膠機(jī)普遍采用多工位并行作業(yè)模式，如頂封與側(cè)封同步進(jìn)行，部分設(shè)備還集成了視覺檢測系統(tǒng)，實(shí)時(shí)監(jiān)控膠層均勻性和密封完整性，確保了電池的一致性和良品率。

MultiStation Collaborative Design: To improve production efficiency, modern pouching machines generally adopt a multistation parallel operation mode, such as simultaneous top and side sealing. Some machines also integrate a vision inspection system to monitor the uniformity of the adhesive layer and the integrity of the seal in realtime, ensuring the consistency and yield of the batteries.

3. 自適應(yīng)壓力控制：針對不同型號(hào)的軟包電池，包膠機(jī)能夠動(dòng)態(tài)調(diào)整壓合力度，確保膠層厚度均勻，避免鋁塑膜破損，從而提升了電池的密封性和長期可靠性。

Adaptive Pressure Control: For different types of softpack batteries, the pouching machine can dynamically adjust the pressing force to ensure uniform adhesive layer thickness and prevent damage to the aluminumplastic film, thereby enhancing the battery's sealability and long-term reliability.

4. 材料兼容性與環(huán)保性：隨著環(huán)保意識(shí)的提升，包膠機(jī)正逐步適應(yīng)低揮發(fā)性的無溶劑膠黏劑，如UV固化膠水，通過紫外線照射實(shí)現(xiàn)快速固化，既減少了能耗和污染，又提升了生產(chǎn)效率。

Material Compatibility and Environmental Friendliness: With the increasing awareness of environmental protection, pouching machines are gradually adapting to lowvolatile solventfree adhesives, such as UVcuring glue. The quick curing through UV irradiation not only reduces energy consumption and pollution but also improves production efficiency.

三、包膠機(jī)：鋰電池性能的“提升器”

3. Pouching Machine: The "Performance Booster" for Lithium Batteries

1. 安全性保障：軟包電池的失效模式中，電解液泄漏和極耳短路是兩大主要風(fēng)險(xiǎn)。包膠機(jī)通過精確控制膠層厚度和密封寬度，有效阻隔了電解液與外界的接觸，大大降低了電池的濕氣滲透率，提升了電池的安全性能。

Safety Assurance: In the failure modes of softpack batteries, electrolyte leakage and tab shortcircuit are the two main risks. The pouching machine effectively isolates the electrolyte from the outside world by precisely controlling the adhesive layer thickness and seal width, significantly reducing the battery's moisture permeability and enhancing its safety performance.

2. 生產(chǎn)效率優(yōu)化：相比傳統(tǒng)手工包膠，自動(dòng)化包膠機(jī)將單電池處理時(shí)間縮短至5秒以內(nèi)，通過與疊片機(jī)和注液機(jī)的聯(lián)動(dòng)，實(shí)現(xiàn)了產(chǎn)線全流程自動(dòng)化，大幅提升了生產(chǎn)效率和良品率。

Production Efficiency Optimization: Compared with traditional manual pouching, the automated pouching machine reduces the single battery processing time to less than 5 seconds. By linking with the stacking machine and liquid injection machine, it achieves full-line automation, significantly improving production efficiency and yield.

四、行業(yè)發(fā)展趨勢與挑戰(zhàn)

4. Industry Development Trends and Challenges

隨著電池能量密度的不斷提升，包膠技術(shù)也面臨著新的要求和挑戰(zhàn)。超薄膠層工藝、高溫材料應(yīng)用以及智能化升級，正成為包膠機(jī)技術(shù)發(fā)展的新方向。然而，技術(shù)升級的同時(shí)也伴隨著一系列挑戰(zhàn)，如極耳材料熱膨脹系數(shù)差異導(dǎo)致的膠層開裂問題，以及設(shè)備國產(chǎn)化進(jìn)程中核心部件精度壽命與國際領(lǐng)先水平的差距等。

With the continuous increase in battery energy density, pouching technology is also facing new requirements and challenges. The application of ultrathin adhesive layer technology, hightemperature materials, and intelligent upgrades are becoming new directions for the development of pouching machine technology. However, along with the technological upgrades, there are also a series of challenges, such as the adhesive layer cracking caused by the difference in the thermal expansion coefficient of tab materials, and the gap between the precision and service life of core components in the domestication process of equipment and the international leading level.

五、中步擎天新能源：您身邊的鋰電池安全專家

5. Chintiyan(zbqt) Energy : Your Lithium Battery Safety Expert

在鋰電池PACK生產(chǎn)線設(shè)備領(lǐng)域，中步擎天新能源始終站在技術(shù)前沿，致力于為客戶提供高效、安全、可靠的包膠機(jī)解決方案。我們的包膠機(jī)采用先進(jìn)的溫控系統(tǒng)、多工位協(xié)同設(shè)計(jì)及自適應(yīng)壓力控制技術(shù)，確保了電池的密封性和安全性。同時(shí)，我們緊跟行業(yè)發(fā)展趨勢，不斷探索新材料、新工藝的應(yīng)用，以滿足客戶對電池性能和安全性的更高需求。選擇中步擎天新能源，就是選擇了一個(gè)可靠的合作伙伴，讓我們攜手共創(chuàng)鋰電池產(chǎn)業(yè)的美好未來！

In the field of lithium battery PACK production line equipment, Chintiyan(zbqt) Energy New Energy has always been at the forefront of technology, committed to providing customers with efficient, safe, and reliable pouching machine solutions. Our pouching machines use advanced temperature control systems, multistation collaborative design, and adaptive pressure control technology to ensure the sealability and safety of batteries. At the same time, we keep pace with industry development trends and continuously explore the application of new materials and processes to meet customers' higher demands for battery performance and safety. Choosing Chintiyan(zbqt) Energy New Energy means choosing a reliable partner. Let us join hands to create a bright future for the lithium battery industry!