Henkel is committed to a future that harnesses the capability of renewable energy and leverages viable alternatives to conventional power sources. This dedication is what has driven our development of some of the most innovative and enabling materials and has helped bring to market new solar architectures that are dramatically improving efficiency for more power generation at a lower cost.

As the market-leading innovator of electrically conductive adhesives, low temperature conductive pastes, solders and encapsulants, Henkel is facilitating the manufacture of next-generation solar technologies at the lowest delivered cost. Helping solar specialists deliver profitable results is at the core of Henkel’s development efforts, as our customers’ profitability is critical for the future of PV.

Transforming Module Design with Electrically Conductive Adhesives

For well over 60 years, Henkel has led in the development of advanced electrically conductive adhesives (ECAs) with deep, broad material knowledge and earning clear global market share leadership for these enabling materials. This expertise has resulted in the most comprehensive tool box for the next generation of solar cell and module designs that are more efficient, reliable, and cost-effective.

Our global engineering staff offers expertise in selecting and customizing the optimized ECA solution for any cell, module or production line design. We understand the chemistry nuances of multiple platforms including Acrylates, Epoxies, Silicones, Bismalimides and Hybrids, and leverage this expansive knowledge base to help our customers succeed in design and on the production line. As the ECA experts, we are your engineering partner to ensure design, cost and production are fully optimized.

Henkel’s solar materials portfolio delivers:

  • A comprehensive selection of Silicone, Epoxy, Acrylate and Hybrid solutions to suit our customers unique module and cell designs
  • 250+ mm/sec application speeds for all common application methods: stencil print, screen print, needle dispense, auger dispense and jet dispense systems
  • Suite of curing mechanisms are tailored to align with your desired production line design, minimize stress, CAPEX cost, cycle time and floor space
  • Customized flexibility, adhesion, substrate compatibility, processing and cure mechanisms for any design need
  • Uptime and reliability by design: LOCTITE ECA’s deliver the lowest production costs and thus best in class levelized cost of electricity (LCOE) by leveraging our vast experience in high volume and low cost ECA design, production and delivery

Low Temperature Pastes for Heterojunction, Perovskite, 3rd Gen and BIPV Photovoltaics

Did you know Henkel was one of the first companies to formulate low temperature metallization pastes? The fundamental technology to deliver low temperature processed pastes derives from the printed electronics market, where Henkel began innovating conductive polymer systems in the 1950’s. At its foundation, Henkel Adhesive Electronics is the foremost expert in highly-filled, polymeric materials. We provide custom formulation support for optimization of heterojunction, thin film, perovskite or other third-generation cell architectures and BIPV to deliver the lowest total cost and highest efficiency solutions.

  • Engineering Services to design metallization paste and ECA systems collaboratively
  • Dry and Cure windows from 100°C-200°C for conductive metallization pastes
  • Solderable low temperature pastes with peel strength >1.5N and low silver content
  • Finger pastes with <6µOhm bulk resistivity, printing 40µm opening at 200mm/sec
  • Wire mesh-compatible metallization pastes, 35µm screen opening at 200 mm/sec
  • Transparent Conductive pastes with 50 Ohm/sq/mil and >95% transmission for a printable, transparent and flexible ITO replacement.
  • Primer and Insulation Inks custom designed for our conductive ink platforms for drop-in thin-film and BIPV solutions.
  • PTC Ink, self-regulating heating element for thermal management and snow and ice removal, integrated into photovoltaic devices

Resources for Solar Energy

Whitepaper: Electrically Conductive Adhesives as Cell Interconnection Material in Shingled Module Technology

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