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Photovoltaics International Volume 45

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80 pages

Features in this issue include:

  • Fraunhofer ISE discusses the challenge of measuring busbarless cells
  • Suntech asks whether we truly understand the failure mechanism of PERC cells
  • ISFH looks at projections for PERC+ solar cells with efficiencies up to 24%
  • CEA-INES reveals the optimal bifaciality of silicon heterojunction cells
  • What’s needed to bring c-Si tandem technology into production
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In this issue...

Photovoltaics International Archive
Cell Processing, Photovoltaics International Papers
This paper presents preliminary results of SERIS’ biPolyTM cell: the bifacial application of polysiliconbased passivating contact stacks with front and rear screen-printed and fired metallization.
Photovoltaics International Archive
Cell Processing, Photovoltaics International Papers
This work reports the latest results obtained at Jolywood for full-area (251.99cm2) n-type bifacial passivating-contact solar cells using a cost-effective process with industrially-feasible boron diffusion, phosphorus ion implantation and low-pressure chemical vapour deposition (LPCVD) with in situ oxidation.
Photovoltaics International Archive
Cell Processing, Photovoltaics International Papers
This paper reviews the key technology improvements which have enabled a continuous 0.5%abs/year increase in efficiency of industrial PERC and PERC+ cells.
Photovoltaics International Archive
Photovoltaics International Papers, Thin Film
This paper provides a concise overview of existing c-Si-based 2-, 3- and 4-terminal tandem technologies, summarizes the current development status, and sets out the future roadmap. In addition, a discussion is included of what will be required over the coming years to bring these promising technologies to market, enabling commercial efficiencies above 30%.
Photovoltaics International Archive
Photovoltaics International Papers, Thin Film
This paper discusses, at both the cell and the module level, the balance between the advantages and drawbacks of increasing the cell bifaciality from a typical value of 90% towards 100%, or decreasing it towards that of monofacial cells (0%).
Photovoltaics International Archive
Photovoltaics International Papers, PV Modules
Because it leads to higher efficiencies than aluminium back-surface field (Al-BSF) cells, passivated emitter and rear cell (PERC) technology is attracting more and more attention in the industry and gaining market share. However, PERC technology brings new challenges with regard to the phenomenon of degradation: some monofacial/bifacial PERC cell modules were found to demonstrate much higher power degradation than Al-BSF cell modules after damp-heat (DH: 85°C and 85% relative humidity RH, 1000h) and potential-induced degradation (PID: 85°C and 85% RH, –1,500V, 96h) tests, which will be the focus of this paper.
Photovoltaics International Archive
Photovoltaics International Papers, PV Modules
The realistic measurement of solar cells is key for the whole PV industry, as accurate information about cell power is one of the most important aspects in solar cell purchase and PV module design.

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