Materials and converting solutions for energy storage (BESS)
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Energy storage today plays a central role in the development of energy infrastructures. The growing integration of renewable energies, the stabilisation of electricity grids and the increase in demand for electricity all require systems capable of storing and redistributing energy efficiently.
The systems Battery Energy Storage System (BESS) are designed to ensure this energy flexibility. However, these systems are based on complex architectures combining batteries, electrical systems, thermal management and safety protections.
In this context, the manufacturers of BESS systems must integrate technical materials capable of providing electrical insulation, thermal management, fire protection and system reliability.
ADDEV Materials supports industrial players in energy storage by offering high-performance materials and customised converting solutions for modern BESS architectures.
Our teams are involved at all stages of product development to optimise the safety, performance and durability of energy storage systems.
Download our BESS brochure
The strategic role of energy storage in the energy transition
Energy storage is becoming a key element in guaranteeing the stability and performance of modern electricity infrastructures.
BESS systems provide a response to a number of major challenges.
Integration of renewable energies
Solar and wind power installations produce intermittent energy. BESS systems therefore make it possible to store the energy produced so that it can be redistributed when demand increases.
Stabilising the electricity network
Energy operators also use energy storage to :
- balancing electricity networks
- limit frequency fluctuations
- reduce peak consumption
Securing critical infrastructures
BESS systems are also used in :
- data centres
- industrial infrastructure
- smart grids
In these environments, energy storage guarantees a constant supply of energy. continuity of supply and greater energy resilience.
Architecture of an energy storage system (BESS)
An industrial BESS system is made up of a number of technical sub-assemblies that must work together reliably and securely.
Container
The container forms the main envelope of the system.
It must ensure :
- mechanical protection
- environmental sealing
- resistance to external conditions
The technical materials used ensure that :
- sealing and gasketing
- thermal insulation
- fire protection
Cooling system
Batteries generate heat during charge and discharge cycles. BESS systems therefore incorporate cooling solutions to avoid the risk of overheating.
The associated material solutions include :
- thermal interfaces
- insulating foams
- sealing materials
- thermal management solutions
These elements help to limit the risks of thermal runaway.
Electrical equipment
The electrical equipment in a BESS system includes :
- the Power Conversion System (PCS)
- the Battery Management System (BMS)
- electrical distribution systems
This equipment requires materials capable of ensuring :
- electrical insulation
- electromagnetic shielding
- thermal protection
Racks
The racks house the battery modules inside the container.
They must guarantee :
- the mechanical stability of the modules
- thermal management
- protection against vibrations
Battery pack
The battery pack is the heart of the energy storage system.
It groups together several modules and cells connected in series or in parallel to store and release electrical energy.
These architectures require material solutions capable of ensuring :
- cell-to-cell isolation
- thermal management
- fire protection
- mechanical retention
Battery packs & cells
Our materials make cells and battery packs safer, while improving their thermal and electrical performance.
- lithium-ion cells
- battery modules and packs
- interconnections
Power conversion systems (PCS)
We support converters and inverters to ensure stability, energy efficiency and component protection.
- power converters
- inverters
- rectifiers
Management systems (BMS & electronics)
Our solutions protect control systems and guarantee the reliability of electronic circuits.
- Battery Management System (BMS)
- electronic cards
- sensors and monitoring
Cooling systems
We optimise the thermal management of installations to maintain constant performance.
- cooling circuits
- thermal interfaces
- HVAC systems
Structures and enclosures
Our materials provide mechanical and environmental protection for BESS systems.
- electrical cabinets
- BESS containers
- protective cases
Connectors and high-voltage cabling
We secure electrical connections and guarantee their durability in demanding environments.
- high-voltage cables
- connectors
- electrical harnesses
Where do our solutions fit into a battery energy storage system?
ADDEV Materials solutions cover all the critical areas of energy storage systems.
They optimise the performance, safety and durability of installations, from cells to complete infrastructures.
Technical functions covered by our solutions
Our materials meet the key functions required for energy storage systems.
Electrical insulation
Reliable insulation of batteries, cables and high-voltage converters, guaranteeing the electrical safety, compliance and durability of BESS systems.
Thermal management
Thermal optimisation of batteries, electronics and power systems to limit overheating, improve performance and extend service life.
Fire protection
High-temperature resistant materials to limit heat propagation and enhance the safety of BESS installations.
Electromagnetic shielding (EMI / RFI)
Reduction of electromagnetic interference to guarantee the stability and performance of electronic and power management systems.
Vibration reduction
Shock and vibration absorption to improve the reliability and durability of equipment in industrial environments.
Sealing and waterproofing
Protection against moisture, dust and environmental stress to secure BESS systems.
Temporary protection
Protection of components during production, transport and installation to prevent damage or contamination.
These functions improve the reliability, safety and durability of battery energy storage systems.
Technical materials for energy storage
ADDEV Materials offers a comprehensive range of technical materials adapted to the requirements of BESS systems.
Flexible materials
Flexible materials allow for optimal integration into BESS systems while ensuring insulation and thermal management.
Examples:
- PET polyester film
- Polyimide films (Kapton®)
- aramid paper (Nomex®)
- multi-layer technical laminates
- Graphite and metallised films
Applications :
- Cell and module isolation
- Battery thermal management
- Electrical separation
- component protection
Rigid materials
Rigid materials provide mechanical strength and enhanced thermal protection.
Examples:
- Mica
- ceramic panels
- insulating composites
- thermoformed parts
Applications :
- fire protection
- structural isolation
- mechanical protection
- thermal insulation
Liquid materials
Liquid materials allow for the protection and optimisation of critical component performance.
Examples:
- Impregnating resins
- Insulating varnish
- technical meetings
- phase change materials (PCMs)
Applications :
- Encapsulation
- electrical insulation
- thermal management
- assembly
BESS market conversion capabilities
ADDEV Materials supports industrial manufacturers with bespoke processing solutions adapted to the constraints of BESS systems.
Our processes include :
These capabilities allow for the production of components that can be directly integrated into energy storage systems.
Why choose ADDEV Materials for your BESS projects
Energy storage systems require in-depth materials expertise and mastery of industrial processes.
ADDEV Materials offers several key advantages:
Materials and market expertise
Our teams select the most suitable technical materials for the constraints of BESS architectures.
Tailor-made solutions
We develop bespoke solutions to meet the specific needs of industrial clients.
Conversion capabilities
Our technologies enable us to transform materials to produce ready-to-install components.
International presence
We support our customers on a global scale, with a strong local presence.
Technical support
Our experts assist clients from the development phases onwards to optimise system performance and security.
From technical study to industrial production
ADDEV Materials supports BESS system manufacturers at every stage of product development.
Our approach is based on several steps:
1. Analysis of technical constraints
2. Selection of suitable materials
3. Prototyping
4. Validation
5. Industrial production
FAQ — Energy Storage Materials
BESS systems use various engineering materials such as insulating films, aramid papers, technical laminates, insulating foams, and thermal management materials.
Thermal runaway can be limited through solutions such as thermal interfaces, thermal barriers, mica materials or flame-retardant films.
Polyester films, polyimide films, and aramid papers are widely used to provide electrical insulation between cells and modules.
Technical materials make it possible to improve the safety, thermal performance and durability of energy storage systems.
Developing your automotive solutions
Energy storage represents a major lever for the energy transition and the modernisation of electrical infrastructure.
Thanks to its materials expertise and industrial converting capabilities, ADDEV Materials supports BESS system manufacturers in developing high-performance and reliable solutions.
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