What type of adhesive tape is needed to use high temperature adhesive tape in new energy field?
High-temperature adhesive tapes commonly used in the field of new energy mainly include the following types:
polyimide tape
Features: Excellent high temperature resistance, long-term temperature resistance up to 260 degrees, short-term temperature resistance up to 300 degrees, good insulation, strong chemical stability, good solvent and corrosion resistance, high mechanical strength and good flexibility, suitable for a variety of complex environments.
Application scenario: In the manufacture of lithium battery for new energy vehicles, it can be used for electrode winding, pole piece protection and winding core termination to prevent internal short circuit of the battery and electrode material from falling off; In photovoltaic industry, it can be used for temporary fixing, insulation protection and reflow soldering of circuit boards in the production process of solar panels.
Mica tape
Features: High temperature resistance, long-term temperature resistance of 800-1000 degrees, short-term temperature resistance of 1300 degrees, good fire resistance, insulation and tensile resistance, and stable performance in high temperature environment.
Application scenario: it is mainly used to protect the battery of new energy vehicles, to prevent the battery from getting out of control at high temperature and high energy, and to ensure the safety and stability of the battery; It can also be used for insulation protection of other electrical equipment and lines with high temperature, high voltage and high current.
PET silicone high temperature resistant adhesive tape
Features: PET is used as the base material, and silica gel is used as the adhesive system. The temperature resistance range is generally between 180 and 220 degrees. It has good high temperature resistance, chemical corrosion resistance and electrical insulation, as well as good flexibility and tear resistance without residual adhesive.
Application scenario: It is widely used in the electronic manufacturing process in the new energy field, such as the production of lithium batteries, the fixation and protection of electronic components, the manufacture of circuit boards, etc. It can provide reliable insulation and fixation in a certain temperature range.
Teflon tape
Features: Teflon glass fiber cloth is usually used as material, which has excellent high and low temperature resistance, can be used for a long time in the temperature range of-70℃ to 260℃, has low surface energy, is very smooth, and has excellent chemical corrosion resistance, wear resistance and non-sticking.
Application scenario: in the field of new energy, it is often used in the hot sealing parts of sealing machines, vacuum packaging machines and other equipment to prevent materials from sticking at high temperature; It can also be used to protect some parts that need anti-sticking, wear resistance and high temperature resistance in the battery production process, such as coating roller and knife edge of heat sealing machine.
Glass fiber thermal conductive adhesive tape
Features: Made of glass fiber and thermal grease, it has good thermal conductivity and high temperature resistance, and can effectively dissipate heat while maintaining high bonding strength.
Application scenario: It is mainly used in battery modules and electronic equipment of new energy vehicles, and is used to bond and fix heating elements, such as battery cells and power devices, to improve heat dissipation efficiency and ensure the normal operation of equipment.
EPT tape
Features: It has the characteristics of high bonding strength, good temperature and weather resistance, strong sealing and waterproof, and various thickness choices, and can be widely used in automobile exterior decoration, interior decoration and new energy battery bonding.
Application scenario: It is suitable for the bonding between cells in new energy automobile batteries. Its strong viscosity can realize the firm bonding between cells, and its high temperature resistance and aging resistance can provide reliable guarantee for the safe and lasting operation of new energy automobile batteries. At the same time, its high initial viscosity does not require curing time, and it can be rapidly formed, effectively ensuring the stability of automatic assembly between cells, thus greatly improving the success rate of installation.
Lithium battery termination tape
Features: It is a special kind of pressure-sensitive adhesive tape. Besides the general properties of pressure-sensitive adhesive tape, it also has special requirements in substrate selection, adhesion, temperature resistance and electrolyte resistance, and has the characteristics of ultra-thin, electrolyte corrosion resistance and good insulation performance.
Application scenario: It is mainly used for electrode winding and core winding termination in the middle production process of lithium battery cells, and it is a kind of pressure-sensitive adhesive tape that is widely used in batteries.
Battery expansion tape
Features: transparent high-temperature synthetic rubber resin is used as the base material, which has certain flexibility and expansibility, and can expand or contract with the change of battery volume during the charging and discharging process, thus maintaining good fixation and protection for the battery.
Application scenario: It is used to wrap the diaphragm of all kinds of lithium batteries to prevent the diaphragm from being displaced or damaged during the use of the battery and ensure the normal operation of the battery.
