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锂电池用聚乙烯隔膜

电池材料

锂电池用聚乙烯隔膜

货号 : BC-18

价格根据 规格和定制情况变动


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介绍

聚乙烯分离器采用湿拉伸和干拉伸方法生产,具有灵活性,可为各种应用提供多种材料选择。聚乙烯和聚丙烯的耐温性不同,聚乙烯的耐温性较低,而聚丙烯的耐温性较高。与 PE 相比,PP 的密度更低,熔点更高。分离器的强度随生产方法的不同而变化,湿法双轴拉伸的纵向和横向强度更高。在某些应用中,聚乙烯对环境压力的敏感性是一个考虑因素,会影响不同行业的性能和适用性。

聚乙烯隔膜是锂离子电池的关键部件,位于正负极之间。它们允许锂离子通过,同时抑制电子传输。隔膜的性能会影响电池的容量、循环和安全性,因此对电池的整体性能至关重要。

细节和部件

锂电池用聚乙烯隔膜细节 1

锂电池用聚乙烯隔膜细节 2用于锂电池的聚乙烯隔膜细节 3用于锂电池的聚乙烯隔膜细节 4用于锂电池的聚乙烯隔膜细节 5

技术规格

材料 SK 单层 PE 薄膜
厚度 16μm
宽度: 115mm 115 毫米
透气性 200s
孔隙率 44%
热收缩率 垂直 3% 水平 1%
拉伸强度 垂直 1200kgf/cm2 水平 1200kgf/cm2
储存条件: 最佳储存环境温度为 25±3°C,湿度为 30%-70%,防潮

我们展示的产品有不同的尺寸,也可根据要求定制尺寸。

优点

  • 耐化学性:聚乙烯分离器具有出色的耐酸、耐碱和耐大多数化学品的性能。
  • 孔隙结构一致:分离器的孔隙结构保持一致,具有很高的化学稳定性和热稳定性。
  • 多功能性:它们可用于各种电池类型,适合不同的应用。
  • 抗氧化性:聚乙烯隔膜具有出色的抗氧化性,可确保出色的循环和涓流充电性能。
  • 横向 "零 "收缩:隔膜的横向 "零 "收缩可减少内部短路,提高高温下的尺寸完整性。

FAQ

电池外壳垫圈应考虑哪些因素?

在选择电池盒垫圈时,应考虑几个因素。首先,垫圈材料应与特定的电池化学成分和电解质兼容,以确保耐化学性并防止随着时间的推移而降解。垫圈还应具有适当的密封性能,能有效阻隔湿气、灰尘和其他污染物。此外,密封垫还应具有良好的压缩和恢复性能,即使在压力或压缩情况下也能保持密封完整性。同样重要的是要考虑电池的使用温度范围和环境条件,选择能够承受预期极端温度并提供可靠密封的垫圈材料。向垫圈制造商或该领域的专家咨询,有助于为特定的电池壳应用选择最合适的垫圈材料。

电池外壳密封垫的作用是什么?

电池盒垫圈是电池盒中的密封件或垫圈材料,用于提供严密安全的密封。这些垫圈有助于防止湿气、灰尘和其他污染物进入电池盒,保护电池免受损坏并确保其使用寿命。它们还有助于保持电池内部环境的完整性,例如防止某些类型电池的电解液泄漏。

什么是锂空气电池盒?

锂空气电池盒是专为锂空气电池设计的外壳。锂空气电池是一种可充电电池,利用空气中的氧气作为阴极材料,因此能量密度很高。这些电池的外壳设计用于保护电池,并为发生化学反应提供受控环境。

如何为特定应用选择纽扣电池盒?

为特定应用选择纽扣电池盒时,必须考虑电池尺寸、电压要求以及使用电池的特定装置或设备等因素。电池盒应与电池的尺寸和形状相匹配,以确保合适。此外,外壳上的电气触点应与电池的端子对齐,以实现安全可靠的连接。同样重要的是要考虑电池盒的材料,选择适合预期应用的材料,例如轻型设备使用塑料,更坚固的环境使用金属。
查看更多该产品的问题与解答

4.8

out of

5

The delivery was incredibly fast, arriving within a few days of placing the order. The quality of the separator is exceptional and has significantly improved the performance of our lithium-ion batteries.

Elsa Haydon

4.7

out of

5

The polyethylene separator has proven to be an excellent investment. It has extended the lifespan and efficiency of our batteries, making them more reliable and cost-effective.

Oscar Robledo

4.9

out of

5

The separator's lateral 'zero' shrinkage feature is a game-changer. It has greatly reduced the risk of internal short circuits, enhancing the safety and stability of our batteries.

Aiden Mccoy

4.6

out of

5

The polyethylene separator's high chemical and thermal stability has been impressive. It has maintained its integrity even under extreme conditions, ensuring consistent performance and longevity.

Isabella Green

4.8

out of

5

The separator's consistent pore structure has significantly improved the capacity and cycle life of our batteries. We've witnessed a noticeable increase in energy storage and reduced degradation over time.

Lucas Walker

4.9

out of

5

The versatility of the polyethylene separator is commendable. Its compatibility with various battery types has made it an indispensable component in our research and development initiatives.

Amelia Johnson

4.7

out of

5

The excellent oxidation resistance of the separator has been instrumental in enhancing the cycle and trickle charge performance of our batteries. It has resulted in improved durability and reliability.

Liam Brown

4.8

out of

5

The polyethylene separator's chemical resistance has been remarkable. It has shown exceptional resilience against acids, alkalis, and most chemicals, ensuring long-term stability and performance.

Harper Garcia

4.6

out of

5

The separator's lateral 'zero' shrinkage feature has been a lifesaver. It has eliminated internal short circuits and maintained dimensional integrity at high temperatures, significantly improving the safety and reliability of our batteries.

Jackson White

4.9

out of

5

The polyethylene separator's exceptional quality has exceeded our expectations. It has enhanced the cycle life and capacity of our batteries, leading to improved performance and extended lifespan.

Abigail Hernandez

4.7

out of

5

The separator's consistent pore structure has been a game-changer for our research. It has enabled us to achieve higher energy densities and improved rate capabilities, pushing the boundaries of battery technology.

Alexander Smith

4.8

out of

5

The versatility of the polyethylene separator has been a boon to our diverse battery applications. Its compatibility with different battery types has allowed us to streamline our manufacturing processes and improve efficiency.

Ava Jones

4.6

out of

5

The separator's excellent oxidation resistance has been crucial in extending the lifespan of our batteries. It has minimized capacity fade and maintained high performance over extended periods.

Benjamin Miller

4.9

out of

5

The polyethylene separator's chemical resistance has been a lifesaver in our harsh operating conditions. It has withstood exposure to corrosive chemicals and extreme temperatures, ensuring uninterrupted performance.

Chloe Wright

4.7

out of

5

The separator's lateral 'zero' shrinkage feature has been a major breakthrough for our battery safety. It has eliminated internal short circuits and thermal runaway risks, making our batteries safer and more reliable.

Daniel Rodriguez

4.8

out of

5

The polyethylene separator's high-temperature resistance has been a game-changer for our high-power applications. It has enabled us to push the limits of battery performance without compromising safety and reliability.

Emily Perez

4.6

out of

5

The separator's exceptional quality has been a major factor in our successful battery development. It has consistently delivered high performance and reliability, making it an indispensable component in our cutting-edge battery systems.

Ethan Hall

4.9

out of

5

The polyethylene separator's consistent pore structure has been a major breakthrough for our research. It has enabled us to achieve unprecedented levels of energy density and cycle life, pushing the boundaries of battery technology.

Isabella Garcia

4.7

out of

5

The separator's versatility has been a major advantage for our diverse battery applications. Its compatibility with different battery chemistries and configurations has allowed us to streamline our manufacturing processes and reduce costs.

Lucas Martinez

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