Jolywood taps imec to support development of N-type bifacial solar cells

China-based PV module materials and N-type mono and IBC (Interdigitated Back Contact) bifacial module manufacturer Jolywood is partnering with European research and innovation hub centre, imec to bring to market an industrialized bifacial solar cells with an average front-side conversion efficiency up to 21.9%.

Intersolar Europe 2017 Day 1: New product introduction round-up

Despite the major exhibition having a European tag, Intersolar Europe remains one of the most ‘international’ solar trade shows on the event calendar. As a result, new products launched at this show predominantly reflect trends and developments across multiple markets. On the first day of the exhibition, several new products stand-out for attention. More Day 1 updates are to follow.

Imec and EnergyVille launching precision PV energy yield simulation software

Imec and EnergyVille are introducing new simulation software that accurately predicts the daily energy yield of solar cells and solar modules under varying meteorological and irradiation conditions at Intersolar Europe. Imec’s model combines optical, thermal and electrical parameters to provide detailed insight on thermal gradients in the solar module.

Progress in co-plating contacts for bifacial cells designed for multi-wire interconnection

For many applications, bifacial modules offer a cost-effective way of increasing energy yields, which explains why the interest in bifacial cells in the PV industry is steadily growing and is expected to continue. However, the metallization of bifacial cells creates new challenges, as the same materials and techniques developed for n surfaces are generally not directly, or simultaneously, applicable to p surfaces; this necessitates sequential metallization of each side, resulting in added cost and/or complexity. This paper introduces a simple co-plating approach with the objective of simplifying the metallization of bifacial cells in a cost-effective way, and which is designed for multi-wire module integration. The metallization route is described, and high cell efficiencies of up to 22.4% are demonstrated using this co-plating approach with bifacial nPERT+ cells (where ‘+’ signifies the bifacial nature of these cells). Initial thermal-cycling reliability data of test structures and 1-cell laminates is presented. Finally, cost-of-ownership (COO) estimates are given, which predict the co-plating approach to be ~40% cheaper than bifacial screen-printed metallization. It is shown that the combination of the high efficiency potential of nPERT+ cells and the reduced costs of co-plating has the potential to deliver module-level costs of ~$0.25/Wpe (glass–glass configuration).

Young Imec/Hasselt researcher gets €2 million to revolutionize CIGS thin-film technology

A €2 million ERC (European Research Council) Starting Grant has been awarded to a young researcher at IMOMEC, imec’s associated lab at the Hasselt University to make processing breakthroughs with primarily CIGS (e) (copper indium gallium selenide) solar cells to achieve conversion efficiencies between 23% and 26% with an improved stability and reliability.