Teamtechnik Presents Successful Adhesive Technology for HJT Cells

Stringer TT1600 ECA from teamtechnik joins HJT cells reliably using adhesive technology in series production.

The STRINGER TT1600 ECA uses new adhesive technology and low process temperatures to join high-efficiency bifacial HJT (heterojunction) cells. This process reduces thermal and mechanical stress on the sensitive cells and results in a high string quality.

Stringer TT1600 ECA from teamtechnik joins HJT cells reliably using adhesive technology in series production.

teamtechnik, a worldwide technology leader in stringer systems for connecting solar cells, based in Germany, has developed the process itself and brought it successfully to market. The Stringer TT1600 ECA is designed for reliable series production with high unit volumes. The production system connects HJT cells with light-capturing ribbons (LCRs) at a cycle rate of 2.25 seconds.

The finished product is a solar module that is designed for extremely high performance and long life.

ECA is an abbreviation for “electrically conductive adhesive”. In this process a conductive glue is applied to both sides of the cell using a screen-printing technique. It is then fully cured at a temperature of roughly 160ºC together with the LCRs. Recently teamtechnik has been able to receive from another HJT solar cell producer a major order for several Stringer TT1600 ECA.

On stand 10.156 at REI, teamtechnik together with its local partner NMTronics will also be exhibiting its two highperformance systems, the Stringer TT2100 and TT4200GIGA with IR light-based soldering technology for mass production of high-quality solar cell strings with monocrystalline, polycrystalline and PERC solar cells.

teamtechnik’s worldwide service network, with its committed service engineers, ensures that the production systems can be installed and commissioned quickly and smoothly. The company also offers complete systems to its customers: stringers plus layup systems, precisely matched to the high performance of the stringers.

A brief portrait: teamtechnik Group

Based in Freiberg/Germany, teamtechnik has been developing and building intelligent and reliable automation solutions for the solar and medical technology and automotive sectors for 40 years. teamtechnik is considered an international leader in highly flexible automation technology. The senior management team has set a sales target of €170 million for the current business year. The company employs 1000 people around the world. The majority of the workforce are engineers and highly qualified specialists. teamtechnik Group has 5 production sites in Germany, Poland, China and the USA.