Overview of bonding EV Battery Solution
The adhesive and sealant solution for electric vehicle batteries offers the following benefits:
- Improved battery safety & passenger protection.
- Batteries with better performance and longer lifespan.
- Streamlined assembly process with lightweight materials.
- Cost reduction with automated production lines.
- Increased sustainability with innovative technologies.
Adhesive for Battery & Module Assembly
As the electric vehicle (EV) market rapidly evolves, the demand for new materials, components, and manufacturing processes to meet market trends in safety, sustainability, and performance also increases.
For automotive OEMs and battery manufacturers, the current challenge is to ensure higher electric range with existing “cell-to-module” technologies: Prismatic Cell (rectangular), Cylindrical Cell, and Polymer/Pouch Cell.
The next challenge is transitioning from the “cell-to-module” (C2M) concept to “cell-to-pack/chassis” (C2P, C2C). To achieve this without increasing complexity, it’s crucial for the adhesive to provide:
- Optimization capabilities for battery design to increase energy density.
- Flexibility across various substrates to improve battery performance.
- High-speed automation capabilities to reduce overall costs.
- Vibration and shock resistance to enhance safety.
Adhesive for Cylindrical Cell Assembly
When assembling cylindrical cells for electric vehicle batteries, it’s crucial for automotive OEMs and battery manufacturers to ensure they’re using the right type of adhesive to meet safety requirements and the needs of high-speed automated processes. Challenges include:
- Improving adhesion to various materials for ideal cell-to-module assembly.
- Enhancing strong bonding properties between cylindrical cells and cell-to-module.
- Increasing thermal resistance at high temperatures and adapting the viscosity of the adhesive to ensure sufficient durability.
Bostik’s adhesive solutions provided by Hitta can address all these market challenges, based on a diverse portfolio of acrylic adhesive technologies, ranging from methyl methacrylate and UV acrylic to UV cyanoacrylates, offering:
- Multi-substrate adhesion for improved design options across different substrates, meeting bonding needs from cell to cell and cell to module.
- Excellent aging, bonding, and high-temperature resistance performance to enhance durability.
- Good vibration and shock resistance under dynamic conditions to enhance reliability and safety.
- Short open times and no pre-treatment requirements to increase line speeds in fully automated conditions.
Adhesive for Cell Polymer/Pouch
When assembling Cell Polymer/Pouch batteries for electric vehicles (EVs), it’s crucial for automotive OEMs and battery manufacturers to understand the role of adhesive in determining the module’s ability to meet safety, durability, and production efficiency requirements. Challenges include:
- Helping protect Cell Polymer/Pouch batteries from swelling and deformation.
- Providing sufficient heat resistance and strong adhesion.
- Meeting the speed of automated production lines.
- Replacing double-sided tape.
Bostik’s adhesive solutions for Cell Polymer/Pouch batteries provided by Hitta, based on Hot Melt Pressure Sensitive Adhesive (HMPSA) and water-based technologies, are designed for easy use and offer:
- High vibration resistance and protection from swelling to enhance battery safety.
- Strong adhesion properties and heat resistance up to 79.4°C to enhance durability.
- Thin adhesive layers to optimize battery design and reduce weight.
- Automated process with high volume production thanks to low viscosity (4500 mPa.s at 350°F/176.7°C), providing excellent sprayability.
Adhesive for Prismatic Cell
When assembling electric vehicle (EV) batteries, it’s crucial for automotive OEMs and battery manufacturers to ensure that Prismatic Cells can meet safety and durability requirements without compromising production efficiency. Challenges include:
- Enhancing strong bonding capability along with high elongation and shock resistance.
- Achieving strong adhesion on cells, side plates, and end plates while resisting high temperatures.
- Providing better curing speed to match automated production lines and high speeds.
Bostik’s unique adhesive solutions for Prismatic Cells provided by Hitta, based on polyurethane (2KPU) technology, address these challenges, offering:
- High bonding strength coupled with high elongation at break (up to 200%) to resist vibration and shock, enhancing reliability and safety under dynamic conditions.
- Strong bonding on surfaces to increase durability and aging resistance of the battery.
- Fast curing speed and suitable open time (5-10 minutes) for optimized and efficient automated application processes.
- Low VOC emissions PU technology for a more environmentally sustainable approach.
Adhesive for Battery Pack Assembly
When selecting the appropriate adhesive for assembling battery packs, there are several factors that automotive manufacturers and battery manufacturers need to consider.
In particular, it’s important to ensure that the adhesive can provide a tight seal to protect the internal components of the battery and provide a reliable battery pack enclosure.
Furthermore, you need to ensure that the battery packs provide good protection against electromagnetic interference (EMI shielding). Bostik’s innovative adhesive solutions for battery pack assembly provided by Hitta are designed to help you easily meet these needs while:
- Enhancing both safety and sustainability.
- Increasing design flexibility and serviceability for maintenance and repairs.
- Reducing weight without the need for mechanical fastening and welding.
- Improving battery reliability with durable and multi-substrate bonding.
- Decreasing manufacturing costs due to high-speed production lines.
Battery Pack Lamination
Automotive manufacturers and battery producers understand that lamination adhesives for battery packs must meet requirements for strong adhesion between aluminum foil and lightweight materials like composites to ensure effective electromagnetic interference (EMI) shielding and allow for easy handling and bonding. Challenges include:
- ncreasing heat resistance.
- Reducing overall costs.
- Improving performance.
- Enhancing recyclability.
In particular, Bostik’s lamination adhesives for battery packs provided by Hitta, formulated using Hot Melt Pressure Sensitive Adhesive (HMPSA) technology, web, film, powder, and water-based adhesive technologies, offer:
- Temperature stability from 100°F to 185°F to enhance performance and durability.
- Excellent adhesion between aluminum foil and composite materials to enhance flexibility in design.
- Short processing time of under 1 minute to reduce overall costs and complexities in production
Battery Pack Sealing and Gasketing
When assembling a battery pack for electric vehicles using diverse materials, the chosen adhesives and sealants play a crucial role in both sealing and meeting overall performance and maintenance needs. Without appropriate sealing technology and tight sealing materials, difficulties may arise in:
- Achieving ultimate sealing and excellent overall performance.
- Improving production efficiency.
- Extending battery lifespan.
- Providing high design flexibility.
- Ensuring maintenance and recycling options.
Bostik’s adhesive and sealant solutions provided by Hitta, based on modified polymer technologies such as silyl modified polymers (SMP), methyl methacrylate (MMA), Elastosol for permanent sealants, and butyl, CIPG, UVFG for non-permanent sealants (serviceable), make it easier to meet the latest trends and overcome common challenges. The benefits include:
- Strong sealing features to protect from outside environment with IP67 standards for excellent corrosion resistance.
- Thermal resistance up to 79.44°C to enhance durability and performance.
- Excellent adhesion to various substrates to increase design opportunities.
- Easy maintenance and repair with outstanding serviceability.
- Automated production process with fast robots to enhance cost efficiency.
Dán kết cấu tổ hợp pin
When it comes to assembling a battery pack, structural adhesives are the top choice for automotive or battery manufacturers facing the bonding challenge to ensure the assembly of the battery pack housing and other components within the battery pack, such as the cooling plate.
Your main goal is to protect the battery components. Bostik’s innovative structural adhesive solutions provided by Hitta are designed to help you tackle this challenge, enabling you to achieve:
- Enhanced safety through crash resistance.
- Reduced weight and cost by eliminating mechanical fastening means.
- Longer lifespan and higher durability.
- Improved process efficiency.
Bostik’s adhesive solutions are tailored to meet the needs for performance, safety, and process. Based on methyl methacrylate (MMA) and 2K polyurethane (PU) technologies combined with Hybrid Cyanoacrylates, UV Cyanoacrylates, and UV acrylics, keeping up with the latest market trends becomes easier with:
- High bonding strength (>15MPa) to replace mechanical fastening methods.
- Improved crash resistance to protect and enhance battery safety.
- Label-free and low VOC adhesives (such as low NCO) to meet increased safety regulations and standards.
- Increased mechanical (fatigue and vibration) and chemical resistance (glycol) to prolong lifespan and durability.
- Enhanced process efficiency over typical epoxy systems and easily scalable thanks to short curing time in combination with limited surface pre-treatment.
- Flexibility and versatility in design through multi-substrate bonding (excellent adhesion to dissimilar substrates such as aluminum and composites).
Adhesives for Electric Vehicle Electronic Components
With the increasing demand for e-mobility and the overall electric vehicle (EV) market, manufacturers are seeking to incorporate more connections to ensure that the electronic components within vehicles are properly protected from any damage. Additionally, they aim to reduce environmental impact and meet global sustainability needs. Therefore, ensuring the right materials and processes are chosen to achieve these goals is a good idea, including:
- Improving process efficiency to meet high-volume production demands.
- Enhancing performance and durability to ensure proper encapsulation throughout the product lifecycle.
- Expanding design options to meet evolving material criteria.
With Bostik’s adhesive solutions for protecting electronic components in electric vehicles provided by Hitta, this becomes easy. Based on hot melt and UV cyanoacrylate technologies, these solutions are ideal for both low-pressure molding processes and coating applications, offering:
- Easy handling at low pressure and temperatures due to low viscosity for improved production productivity.
- One-component formulations to reduce the likelihood of errors and maintain continuous production lines.
- High resistance to temperatures and non-polar fluids, including oil and alkali, to enhance performance in demanding environments.
- Gentle encapsulation capabilities due to low pressure to allow for the protection of the most sensitive electronic components.
- High compatibility with challenging substrates to increase design opportunities
Adhesive for Electric Vehicle Battery Pack Integration
When manufacturing batteries for electric vehicles (EVs), it’s crucial to ensure that the battery pack will be properly integrated into the vehicle chassis. However, as processes evolve to enhance installation, optimize space, reduce complexity, and increase production speed, adhesives become increasingly essential to achieve these goals, providing:
- Fast and reliable bonding to achieve the necessary structural resistance and process speed.
- Ability to fill small gaps to enhance overall performance and strength.
Fortunately, Bostik, provided by Hitta, formulates innovative structural adhesive solutions designed to make meeting evolving processes easier. Fast curing time with long-lasting bond strength: cyanoacrylate adhesives with fast curing speed, combined with structural adhesive types like methyl methacrylate (MMA) or polyurethane (PU) technologies, these adhesives provide a complete and innovative solution to ensure proper and durable EV battery pack integration. Specifically, they offer:
- Strong bonds in under 1 minute and high structural strength after 5 minutes to enhance process efficiency.
- High gap filling capabilities (up to 5 mm) to improve bonding ability across the surface.
- Improved battery pack performance for crash and vibration.
- High bond strength to enhance performance and durability thanks to structural adhesives (MMA/PU).
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Hitta specializes in providing specialized adhesives and tapes for both industrial and commercial sectors. Contact us for the most effective solutions at the lowest cost possible.
- ☎️ Hotline: 0565 33 68 79
- ✉️ Email: hittajsc@hitta.vn