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Renewable energies

Arkema is committed for the renewable energies

In response to a growing demand for energy and a need to preserve the environment, the Arkema group is innovating to speed up the development of renewable energies. It provides new materials which improve the performance of solar panels and lithium-ion batteries, as well as a heat transfer fluid for concentrated solar power plants (CSP), thereby strengthening the competitiveness of these business segments.

The global demand for energy should double by 2050. Given the optimized use of fossil fuels and the necessity to reduce greenhouse gas emissions, resorting to renewable energies has now become inescapable. The Arkema group has made this issue one of its major fields of innovation and is involved in growing new markets, both in terms of energy production and energy storage. At present, one out of every three solar panels contains a product made by the Group.

Improving the competitiveness of solar energy

Used in the manufacturing of solar panels, these materials contribute to increasing their performance, while also reducing their cost:

  • PVDF Kynar® Film fluorinated polymers, extruded as ultra-fine and resistant multilayer films, protect the backside of the panels against humidity and solar aging. As a result, the lifetime of panels is extended beyond 20 years.
  • The Group has developed a grade of Evatane®  EVA (ethylene vinyl acetate coploymers) which is designed for the encapsulation of crystalline silicon cells, a costly and fragile material. The key advantages presented by this resin are its perfect transparency, the absence of any contact problems when it is applied, no yellowing with time and excellent adherence with glass surfaces. It contributes to the production yield and longevity of the panel.
  • To improve its EVA offering, the Arkema group developed Luperox® Solar, a grade of organic peroxide, which speeds up EVA crosslinking used for the encapsulation of cells, thereby optimizing the production rate of panel.

Focus on... Apolhya® Solar

Researchers at the Arkema group recently developed Apolhya® Solar, a nanostructured thermoplastic polymer, designed for the encapsulation of new generation flexible photovoltaic modules, also known as “thin layers”.


Apolhya®  Solar combines thermo-mechanical, adhesive and creep resistance properties with perfect transparency. As no crosslinking is required for the implementation of this product, the production time of the panels is reduced, and end of life recycling is easier.

Maximized storage of lithium-ion batteries

The development of renewable energies, by definition intermittent (wind and solar power), combined with nomad technologies (electric vehicles, laptops, mobiles, tablets, etc.) requires rechargeable batteries with ever higher levels of performance. To meet this need, the Arkema group makes high molecular weight Kynar® PVDF polymer materials, specifically designed for lithium-ion battery components.  Used as binders in the manufacturing of their electrodes, they contribute to their longevity and improve their performance thanks to a very high level of electrochemical resistance.


At present one third of the lithium-ion batteries found inside personal computers and mobile telephones contain Kynar® PVDF.

Focus on... Kynar® HSV 900

Kynar® HSV 900 is a high molecular weight polyvinylidene fluoride resin (PVDF), specifically designed for Lithium Ion batteries. At present they are the only binders that meet the specifications for electrodes for this type of very high energy density batteries, i.e. which are able to store a high amount of energy in a limited volume.

Facilitate the operation of solar power plants

Solar central - Arkema hydrogene peroxyde

The use of a heat transfer fluid in the liquid state throughout the operating temperature range of a solar power station is an undeniable advantage. The other essential criterion is the lifetime of the fluid which undergoes different cycles between the solar field and the heat energy conversion part directly or via a high capacity heat storage which makes it possible to ensure continuity of supply of heat even outside hours of sunshine.

Focus on... Jarysol®

Jarysol® is a synthetic heat transfer fluid perfectly suited for use in concentrated solar power plants (CSP), especially those equipped with parabolic through receivers. Its excellent thermal properties and its thermal stability make it a fluid of choice for installations operating between 300 to 350 ° C.

Arkema committed for the expansion of wind power

methacrylate monomer and oligomer resins for styrene replacement in composites and gelcoats windmills

To avoid exposing their personnel to styrene, makers of wind turbine blades are turning to acrylic coatings from Sartomer, an Arkema subsidiary. Applied as a surface coating, photocure acrylic coatings harden instantly under ultraviolet light. This new protective technology is greener than green: it is solvent-free and emits zero volatile organic compounds (VOC).

Durable… and recyclable wind turbine blades!

With its new Elium® thermoplastic resin, Arkema is increasingly active in the wind power market. This ultra innovative product features countless properties. In particular it allows energy savings during the manufacture of the thermoplastic composite  blades, compared with pales made of polyester composite (a thermoset resin). Bonding takes place at ambient temperature: moulds no longer need heating! Furthermore, thanks to a depolymerization process developed by Arkema’s R&D, composite parts that contain the Elium® resin are recyclable. A big first and a real plus for wind turbine blade manufacturers, who are mindful of the future of their installations as well as the recycling issue.


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