HomeNewsThe Essential Role of Double-Sided Tape in Lithium Batteries

The Essential Role of Double-Sided Tape in Lithium Batteries

Jennifer 2025-03-12

Double-sided adhesive tapes play a pivotal role in the lithium battery industry, serving various functions across different parts of the battery assembly. Here's an overview of their applications, types, characteristics, and how to select the right one for your needs.

Applications of Double-Sided Adhesive Tapes in Lithium Batteries

Double-sided tapes are utilized in various sections of lithium batteries, including:

Cell Termination: Used for insulating and fixing the terminal and winding positions of lithium-ion batteries.
Packaging: For insulation protection and bundling fixation of sealing edges and bottom of lithium battery casings.
Tab Protection: Wraps the ultrasonic welds to prevent puncturing the separator and causing short circuits.
Thermal Management: Efficiently connects cells to the cooling system and prevents sensitive components from short circuits.

Common Types of Double-Sided Adhesive Tapes for Lithium Batteries

Some common types of double-sided adhesive tapes used in lithium batteries include:

Cell Termination Tape: Specifically designed for insulation protection and fixing of various battery cells.
PACK High-Temperature Tape: Used for insulation protection and bundling fixation.
Tab Tape: Used for the tabs of lithium battery casings.
MERA Tape: Used for attaching adhesives on the top and bottom of cylindrical batteries.
Fiberglass Tape: Known for its excellent alkali resistance and high-temperature resistance.

Characteristics of Double-Sided Adhesive Tapes

These tapes are characterized by:

High Temperature Resistance: Able to withstand the high temperatures encountered during battery operation.
Electrical Insulation: Protects against dielectric breakdown or flashovers.
Flame Retardancy: Helps protect against fire, meeting safety standards.
Adhesion: Strong adhesion properties to ensure components stay in place.

How to Choose the Right Double-Sided Adhesive Tape for Lithium Batteries

When selecting the appropriate double-sided adhesive tape for lithium batteries, consider the following factors:

Insulation and Fixing Functions: Ensure the tape provides the necessary insulation protection and fixing for various lithium-ion battery cells.
Adhesive Strength: Choose tapes with strong initial adhesive strength that maintains its bond over time.
Temperature Resistance: Opt for tapes that can endure the high temperatures and resist degradation.
Environmental Safety: Consider tapes that are free of solvents, silicones, and halogens.
Customization: Deson offers customized laminates in a variety of materials that combine the individually required properties.

By understanding the specific requirements of your lithium battery project and considering these factors, you can select the most suitable double-sided adhesive tape to ensure optimal performance and safety.