Automotive

High-Performance Adhesives for Powertrains

Efficient and reliable solutions for the core of sustainable mobility

As the main components, electric motors, battery/fuel cell systems and power electronics together form the backbone of every electric vehicle. Efficiency, security and reliability over their lifetime are key requirements for these components. At the same time, high-tech, continuously evolving production processes require special materials and production techniques that are flexibly scalable and economically attractive.

DELO offers a comprehensive portfolio of high-tech adhesives that have been specially developed for these demanding applications.

DELO as a partner for powertrain applications

Enabling new functions and integrating components more robustly

Our adhesives offer solutions for the extreme conditions that prevail in the powertrain. They are designed for the most demanding applications in the automotive industry.

Areas of application
  • Fuel cells: Reliable sealing and fixation
  • Battery systems: Structural connection and thermal management in one step
  • Power electronics: Fixation, encapsulation and insulation of high-voltage power components
  • Electric motors: Structural connections under extreme loads
  • Sensors in the engine compartment: Function-monitoring electronics and sensors protect against different media and high temperatures

Is your powertrain ready for the demands of tomorrow? Arrange a meeting with our experts and learn more about high-performance adhesive solutions from DELO.

Arrange a Consultation

Fuel Cells

Efficient fuel cell adhesives for a CO2-neutral future

Maximum production efficiency and reliability with DELO

Hydrogen is becoming a key player for CO2-neutral mobility and is gaining importance as an alternative to battery-electric drives, especially in heavy-duty transportation. Fuel cells are a key technology here. However, the methods currently used for fuel cell assembly are pushing manufacturers to their limits when it comes to large-scale production.

DELO provides the solution: We offer promising solutions for the essential bonding and sealing points within the fuel cell, optimally tailored to the requirements of the production process and operation of the fuel cell 

Technical excellence for fuel cell applications

DELO adhesives can be used for various applications within a fuel cell stack. They not only meet functional requirements, but are always optimized for fast, precise and fully automated production, which enables short throughput times while reducing energy consumption. 

Most important properties
  • Application and curing in just a few seconds
  • Reliable sealing of the media circuits
  • Energy and resource-saving processes
  • Flexible design of the sealing contour
  • High process reliability in assembly and operation

Versatile areas of use for maximum efficiency

We offer solutions for the following three areas of application within the fuel cell: 

  • Reliable connection and sealing of the bipolar plate half shells
  • Solid sealing of the media circuits (hydrogen, oxygen, coolants) in the stack to each other and to the outside
  • Fixation of the gas diffusion layer within the stack assembly

Do you require special solutions for your fuel cell production? Arrange a consultation with our experts.

Arrange a Consultation

Battery Systems

Battery adhesives: The perfect connection for safe E-mobility

Optimize your battery production with DELO for maximum efficiency and security

The manufacture of battery modules in electric vehicles requires the highest precision and reliability. At the same time, different battery designs and cell formats require individually adaptable solutions that enable the durability, efficiency and security of the battery during operation.

DELO has the answer: Our specialized battery adhesives are tailored to these challenges and contribute significantly to the efficiency and security of your battery pack.

Technical versatility for complex requirements

Our adhesives are mainly used in the manufacture of battery modules and packs. They not only offer high structural strength, but also ensure effective thermal management.  In the currently growing market for electric cars, you also benefit from fast and efficient production processes thanks to advanced curing methods such as light-curing and light fixation, especially in Cell-to-Carrier-Bonding.

Key properties
  • High structural strength
  • Reliable sealing, even under thermal influences
  • Excellent aging resistance
  • Good thermal conductivity
  • Flame protection: UL 94 V-0

Numerous possible applications for your battery production

DELO adhesives are versatile and suitable for any type of electric vehicle battery. Whether pure electric car, plug-in or mild hybrid - our adhesives provide the optimal solution.

Examples
  • Structural and at the same time thermally conductive bonding of battery cells
  • Fixation of cylindric battery cells in a carrier element for Cell-to-Carrier-Bonding
  • Reliable sealing of battery housings
  • Non-destructive, removable connection of battery modules or add-on components with the ONSERT® process

Are you looking for a tailor-made adhesive solution for your battery production? Arrange a consultation with our experts.

Arrange a Consultation

Power Electronics

Adhesives for power electronics: Merging efficiency and safety

Maximize performance for your electric vehicles with DELO adhesives

Power electronics play a central role in powertrains. As the link between the electrical energy sources, consumption and storage, it controls all power flows in electric vehicles, converts direct and alternating voltages into each other, adjusts voltage levels and conducts the electrical power to the electric motor. Power electronic components must work reliably under extreme conditions. In addition, their complexity and variance place the highest demands on the materials used.

DELO provides the solution: Our high-tech adhesives for power electronics are perfectly tailored to the needs of electric vehicles and guarantee optimum power, high temperature resistance and structural integrity.

Technical advantages in power electronics

Our adhesives are used both at circuit board level and in the periphery of power electronics. They enable the reliable functioning of components and ensure the optimum balance between thermal, mechanical and electrical load capacity as well as good processability.

Most important properties
  • Good bond strength on FR4 and various metals
  • High temperature resistance and strength
  • Low coefficients of thermal expansion
  • Excellent dispensing capability

Versatile applications for your technology

Our adhesives are versatile and are used throughout the power electronics of electric vehicles. This variety of applications enables innovative designs and guarantees maximum efficiency.

Examples
  • Fixation of components on printed circuit boards
  • Thermally conductive bonding of semiconductor elements
  • Encapsulation of components to protect against chemical influences
  • Sealing of plugs or busbar bushings
  • Compensation of different thermal expansion coefficients

Are you ready to take your power electronics to the next level? Arrange a consultation with our experts now.

Arrange a Consultation

Electric Motors

Adhesives for electric motors: Efficiency in compact spaces

Maximize the performance of your electric motors with our specialized adhesives

In the manufacturing of electric motors, small installation space units and maximum efficiency are essential. Previous manufacturing processes often reach their limits when it comes to reducing installation space and increasing efficiency. For example, adhesives can be used to bond components such as magnets and sheet metal laminations together in an electrically insulating manner in order to avoid eddy current losses.

DELO offers the solution: Our adhesives for electric motors are ideally suitable for reducing installation space through thin adhesive gaps and thus increasing the performance of your motors.

Technological advantages for your electric motors

Our customized adhesive solutions enable the highest structural strength and bridging of gap sizes, while offering high temperature and media resistance. They are impact resistant and tension-equalizing and support flexible curing processes, such as rapid heat curing, room temperature or initial light curing, enabling fast and precise processes.

Key properties
  • Meet automotive aging tests (e.g. 3,000 h / +180 °C).
  • Highest structural strengths
  • Exceptional temperature and media resistance
  • Light fixation for fast processes

Versatile applications in electric motor manufacturing

DELO adhesives are used in a wide range of applications within electric motor manufacturing. You benefit from our technology to maximize the efficiency and compactness of your motors.

Examples
  • Fastening of integrated or surface permanent magnets
  • Stacking segmented magnets
  • Bonding lamination stacks
  • Bonding of stators and housings
  • Potting of copper contact points and windings

Are you ready to bond your electric motors with innovative adhesives? Arrange a consultation with our experts now.

Arrange a Consultation

Engine Compartment Sensors

Potting compounds for engine compartment sensors: Functional safety for the motor of the future

Maximum protection for highly sensitive automotive electronics with potting compounds

Powertrains are no longer the simple mechanical assemblies they once were. Today, they rely on sensor technologies such as pressure and rotor position sensors. The fact that the individual components of a car are connected means that any malfunctions must be avoided and maximum efficiency must be achieved. Close to the engine compartment, this is made more difficult by the prevailing loads of aggressive chemicals and high temperatures. 

DELO provides the solution: Our potting compounds are designed to withstand the hardest conditions. They not only offer protection, but also ensure long-term performance over a wide operating temperature range.

Technical details of potting compounds

Epoxy resins and acrylates from DELO, whether as 1K or 2K systems, prove to be extremely reliable. They are resistant to various oils and coolants and function reliably over a wide service temperature range from -40 °C to +160 °C.

Most important properties
  • High resistance against aggressive media and high temperatures
  • Adapted coefficients of thermal expansion (CTE) to the relevant substrate materials
  • Aligned flowability for optimized flow
  • Efficient and fast curing technologies, e.g. via Activation on the Flow
  • Elastic-mechanical properties for compensating thermally induced stresses
  • Electrically insulating

Application areas for your automotive technology

DELO supports a wide range of applications specially developed for use in demanding surroundings. Our potting compounds offer precise protection and optimal functionality in all scenarios.

Examples
  • Potting compounds for connector pins and sensor electronics
  • Structural reinforcement for the integration of pressure sensor chips
  • Tension-equalizing for complex material combinations
  • Filling narrow gaps and displacing trapped air or electrically insulating material

Are you ready to equip your sensors for the hardest conditions? Arrange a consultation with our experts now.

Arrange a Consultation

Versatile Applications

Maybe also interesting

DELO adhesives are indispensable in numerous applications and contribute to meeting the high quality and safety standards of the automotive industry.

Overview Automotive

Automotive

Autonomous Driving

Adhesives from DELO provide reliable solutions for securing sensors and cameras essential for autonomous driving systems.

More details

Automotive

Lighting & Interiour

Versatile adhesive solutions from DELO enhance high-quality lighting and interior automotive applications.

More details

Let our experts advice you

We are your touchpoint for high-tech bonding. Our specialists worldwide are keen to support you. Get in touch with us now!

By submitting your request, you give your consent to have the personal data you entered processed in accordance with our Privacy Policy.

* Mandatory field

Woman at desk with iPad in her hand - DELO website on screen

Newsletter

Subscribe to our newsletter

Receive exciting updates, offers, and insights

Receive regular updates on new products, developments, white papers, academy offers and events.
 

Register Now