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Testing Solutions » By Test Type » Flexure » Photovoltaic or Solar Cells

Mechanical Testing Photovoltaic or Solar Cells

Standard

  • IEC 61646
  • IEC 61215
  • JIS C8990
  • JIS C8991

Materials

  • Adhesives
  • Components
  • Electronics / Electrical Components

Test Types

  • Peel, Tear and Friction

Specimen

  • Adhesives
  • Component
Contact usView Accessories Catalog
  • Description
  • Literature

With a growing global focus on "green energy", companies are racing to develop higher efficiency and lower cost solar cells for various applications. We were asked to provide several materials testing systems to assist in the evaluation of the mechanical performance of thin films and substrates used in the manufacture of photovoltaic cells, also known as solar cells. Solar cells are developed and manufactured by numerous companies globally, each looking to optimize the energy output from the cell, while maintaining a high quality and reliability, and minimizing the cost of these devices. The International Electrotechnical Commission (IEC) is the world’s leading organization that prepares and publishes International Standards for all electrical, electronic and related technologies — collectively known as electrotechnology.

These companies must obtain the design qualification and type approval according to IEC 61646: "Thin-Film Terrestrial Photovoltaic (PV) Modules - Design Qualification and Type Approval" and/or IEC 61215: "Crystalline Silicon Terrestrial Photovoltaic (PV) Modules - Design Qualification and Type Approval". The standard mechanical load test determines the ability of the module to withstand a wind pressure of 130 km per hour. A load is gradually applied to the front and back surface, in turn, to 2,400 Pa and maintained for 1 hour, then repeated for a total of three cycles.

Other Instron tests for PV modules include:

• Four-point bend testing of glass and stainless steel substrates to ensure the edge strength of these substrates. This test is used to ensure the substrate's rigidity is sufficient to guarantee a reliable, long-term electrical connection throughout the cells.

• A 90° peel adhesion test on various layers of thin films, also known as "stacks". This peel test confirms the quality of the adhesion between the layers and the adhesives used. It is important for companies to know the adhesion strength of these various film layers and which interface may contain the least amount of adhesion strength.

We recommend using a single column electromechanical testing system equipped with a 90° peel adhesion fixture, pneumatic side action grips and rubber coated grip faces for measuring the peel adhesion forces for these thin film stacks. Bluehill® Software automates the adhesion force measurement and provides the operator with supreme confidence in the testing results. Our unique 90° peel fixture is designed with zero friction so all force measurements are a direct result of the film and adhesive. Since film strength is so important, many companies have used the single column machines with pneumatic grips for tensile testing of thin films to investigate film tensile strength performance.

In summary, electromechanical testing systems and accessories help manufacturers ensure compliance to the mechanical load testing outlined in IEC 61646 and other internal company standards. Your local Instron technical representative can assist you in properly configuring a testing system to meet your requirements.

6800 Series Universal Testing Systems

Instron 6800 Series Universal Testing Systems provide unparalleled accuracy and reliability. Built on a patent-pending Operator Protect system architecture with an all-new Smart-Close Air Kit and Collision Mitigation features, the 6800 Series makes materials testing simpler, smarter, and safer than ever before.

  • Products
  • 2/10/2020
  • 3.2 MB

5900 Series Premier Testing Systems Brochure

5900 Universal Testing Systems are engineered for precision, built for durability, and offer the flexibility for changing requirements. They are designed with standard and optional features that increase testing efficiency and improve the testing experience for the operator. A wide range of models are available for testing capacities from < 100N up to 600kN.

  • Products
  • 1/22/2019
  • 6.8 MB

3300 Series - Affordable Testing Solutions

Instron 3300 Series Universal Testing Systems for Tensile, Compression, Bend, and other material property tests.

  • Products
  • 6/19/2017
  • 2.2 MB

90° Angle Peel Fixture (2820-035)

Both the 90° peel test fixture and the variable angle peel test fixture consist of a bearing-mounted sled that is linked to the testing machine’s crosshead by a cable and pulley system.

  • Products
  • 10/10/2018
  • 0.6 MB

Bluehill® Universal Software

Bluehill Universal Software is built from the ground-up for touch interaction and an intuitive user experience. Discover simpler and smarter testing with features such as pre-loaded test methods, QuickTest in seconds, enhanced data exporting: and Instron Connect – a new feature that provides a direct communication link to Service. Users of previous versions of software such as Bluehill 2 and Bluehill 3 can easily upgrade to the newest version of Bluehill.

  • Products
  • 2/26/2017
  • 4.4 MB

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