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DuPont Solutions for Automotive Battery Packs

In this article, we explore the top DuPont adhesives & sealants for bonding and sealing different parts of battery packs & cells.

Table of Contents

As the automotive industry continues to advance, the need for more durable and performance-focused components grows. When it comes to vehicle battery systems, achieving lightweight, yet durable systems is essential to the development of both traditional and electrified vehicles. 

Dupont’s adhesive solutions are utilised by battery manufacturers across the world due to their diverse characteristics; from providing high-temperature resistance, to protecting electronic components from moisture, chemicals and harsh external environments. 

Overall, Dupont adhesives help manufacturers to:  

  • Improve battery performance/reliability 
  • Achieve lightweight bonds 
  • Reduce future repair costs and processes 
  • Optimise production line with less bonding solutions required 

Specifically, the Dupont solutions which are explored in this article are the: 

  • BETAMATE series – designed for providing lightweight, flexible and strong structural bonding to similar and dissimilar substrates, including those in EV batteries. 
  • BETATECH series – designed to act as a thermal interface material (TIM), providing thermal conductivity and optimised temperature control in EV batteries.  
  • BETASEAL series – designed for efficiently sealing and filling gaps, including those in EV batteries.  
  • BETAFORCE series: designed for providing composite bonding and corrosion protection to battery elements, while maintaining design flexibility and sustainability.  

Adhesive Bonding 

Challenges 

  • Crash durable structural integrity 

Solutions 

  • One- or two-component BETAMATE crash durable structural adhesives 

Benefits 

  • Enhanced assembly integrity 
  • Lower risk of thermal propagation and/or electrocution 
  • Durable multi-material joining 
  • Optimised cost and performance 
  • Wide process and application range 

Cover Sealing 

Challenges 

  • Serviceable liquid and gas sealing 

Solutions 

  • One- or two-component BETAMATE sealants 

Benefits 

  • Improves serviceability 
  • Wide process and application range 
  • Enables in-process quality control 
  • Comprehensive sealing 

Innovative Design for Hybrid Cooling Plate 

Challenges 

  • Integrate functions 
  • Provide thermal resistance between lower housing and thermal fluid 

Solutions 

  • BETAMATE 2090 

Benefits 

  • High thermal resistance of the lower plate 
  • High level of function integration: 
  • Embedded pipe connection 
  • More channels 
  • Possibility of turbulators 

Thermal Interface Material Between Cooling Plate and Battery Modules 

Challenges 

  • Homogeneous thermal management for battery modules 

Solutions 

  • One- or two-component BETATECH thermal interface material 

Benefits 

  • Enables homogeneous thermal management 
  • Wide process and application range 
  • Application equipment friendly 
  • Enables repair/reuse/recycling 

Structural Thermal Conductive for Cell-to-Pack Bonding 

Challenges 

  • Enhancing structural integrity over vehicle lifetime and transportation of battery pack 

Solutions 

  • Two-component BETAFORCE structural adhesives 

Benefits 

  • Durable (multi-material) substrate joining 
  • Cost and performance optimised designs 
  • Wide process and application range 

Discover our full range of DuPont products here. 

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If you have a problem with industrial adhesives, sealants, or electronic protection products and require advice, you can contact our technical support service. Our team can help you to optimize your processes and applications.

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