A Conformable Dielectric Tape Answer
As electrical automobile (EV) battery pack voltages rise, the demand for dependable and sturdy dielectric options grows. This enhance not solely enhances vitality density and automobile efficiency but in addition necessitates progressive options that combine effectively with fashionable pack designs and manufacturing processes.
The Avery Dennison Volt Robust™ Portfolio gives dielectric pressure-sensitive adhesive (PSA) tapes tailor-made for EV batteries. The following-generation Volt Robust™ Stretch answer is particularly designed to satisfy these wants, being conformable, resistant to ripping, and efficient at managing warmth move inside battery packs.
The Significance of Electrical Arcing Prevention
The evolution of battery pack voltage and vitality density has considerably improved EVs’ efficiency and vary. Immediately’s battery packs usually function at voltages of 400V or above 800V, enabling faster charging and extra environment friendly energy transmission. Nevertheless, elevated efficiency necessitates stringent measures to stop electrical arcing, which may result in brief circuits, thermal runaway, or pose security hazards for drivers, passengers, and repair technicians.
Conventional Dielectric Safety Strategies
Producers have employed a wide range of dielectric safety options to deal with these issues, together with dielectric coatings utilized via spraying or dipping and pressure-sensitive adhesive tapes produced from supplies like PET or polyimide. These options assist keep away from unintended electrical conduction inside battery packs, enhancing efficiency and reliability.
Dielectric coatings will be preferable attributable to their ease of utility on advanced geometries present in stamped steel components. But, as battery designs turn out to be extra refined, the necessity for conformable dielectric supplies is more and more important.
Challenges with Typical Dielectric Options
Whereas dielectric coatings are efficient insulators, they arrive with drawbacks that may hinder manufacturing and general battery efficiency. Frequent points embrace restricted meeting line flexibility, elevated waste and prices, and difficulties conforming to intricate shapes. Moreover, these coatings can add bulk, requiring vital bodily gear.
Developments in Dielectric PSA Tapes
To beat these challenges, a brand new sort of PSA tape has emerged, that includes a extremely conformable dielectric movie that integrates seamlessly with steel stamping processes. This tape will be utilized to a steel clean and stamped into form, offering dielectric safety with out the fragility generally related to coatings. Testing at Avery Dennison’s Efficiency Tapes laboratory confirmed that this answer maintains integrity even underneath the pressures of commercial steel stamping.
Evaluating Stampable Dielectric Tapes to Conventional Options
Stampable dielectric PSA tapes provide distinct benefits over conventional strategies:
- Labor Efficiencies: They streamline meeting processes, lowering labor depth and rushing up manufacturing.
- Decreased Waste: Improved manufacturing efficiencies result in decrease scrap charges.
- Enhanced Sturdiness: These tapes exhibit excessive elongation at break and tear resistance, providing extra dielectric power per unit thickness in comparison with typical coatings.
- Compact Utility: The bodily footprint for making use of tapes is considerably lower than that required for coatings.
Introducing Volt Robust™ Stretch: A New Period in Dielectric Options
Avery Dennison’s next-generation Volt Robust™ Stretch has been engineered to deal with electrical insulation wants in battery packs whereas remaining suitable with varied metal-forming strategies. This progressive tape will be utilized to steel sheets and stamped into advanced shapes with out danger of harm, guaranteeing sturdiness all through the battery’s lifecycle.
Functions of Volt Robust™ Stretch
This tape is flexible and can be utilized throughout varied battery pack elements:
- Structural elements
- Busbar and cell connection programs
- Cooling parts like chill plates and cooling ribbons
Avery Dennison’s Complete EV Battery Options
Avery Dennison’s EV Battery portfolio includes varied bonding and protecting tapes designed to reinforce security and effectivity in battery manufacturing. These options sort out widespread design challenges, akin to enhancing dielectric power and optimizing meeting processes.
Dedication to Help and Collaboration
Past product choices, Avery Dennison Efficiency Tapes supplies in depth assist, together with testing capabilities and skilled collaboration to develop tailor-made options for the EV battery sector.
For extra details about integrating PSA tapes into EV battery designs, join with Avery Dennison at dustin.winter@averydennison.com or max.vanraaphorst@averydennison.com. To discover their vary of options, go to Avery Dennison Performance Tapes.
