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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 is expected to 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 lifespan 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 panels.

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 resistant 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.

Facilitating the operation of solar power plants

Solar central - Arkema hydrogene peroxyde

The use of a heat transfer fluid in a liquid state throughout the operating temperature range of a solar power station is an undeniable advantage. The other essential criterion is the lifespan of the fluid, which undergoes different cycles between the solar field and the heat energy conversion,directly or via high capacity heat storage, making it possible to ensure a continuous supply of heat even when there is no sunlight.

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 the fluid of choice for installations operating between 300 to 350°C.

Arkema committed to 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 blades made of polyester composite (a thermoset resin). Bonding takes place at ambient temperature: molds 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. This is 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 ussue of recycling.

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