Large Area Screen Printed N-Type MC-SI Solar cells With B-Emitter: Efficiencies Close to 15% and Innovative Module Interconnection

Bück, Thomas; Kopecek, Radovan; Libal, Joris; Petres, R.; Kingshott, Peter; Röver, I.; Wambach, K.; Geerligs, L.J.; Wefringhaus, E.; Fath, P.

doi:10.1109/wcpec.2006.279323

Cited by 8 publications

(4 citation statements)

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“…Remarkably, this BELECTRIC OPV process and design minimizes losses of the V oc and FF versus lab‐scale devices, despite the stack being fully printed . In real world tests, these bifacial semitransparent modules are expected to exhibit a slight increase in efficiency by harvesting light from both sides . The modules consist of a combination of 54 cells in total, grouped as 9 serially connected cells, which are then connected in parallel ( Figure ).…”

Section: Device Performance Of the Different Device And Module Architmentioning

confidence: 99%

“…This unique combination of high optoelectronic performance and wide processing window enabled the fabrication of >250 m 2 flexible “trigon” modules reaching an average performance of 4.3% PCE, while maintaining a high level of transparency and aesthetic appeal. In real world tests, these bifacial modules are expected to show an increase in efficiency due to light harvesting from both sides . Furthermore, initial tests on the thermal stability of these OPV modules meet requirements for lamination protocols for glass‐based BIPV products, thereby accessing the important market of façade applications (in the context of the upcoming nearly‐zero energy building directive 2010/31/EU).…”

Section: Device Performance Of the Different Device And Module Architmentioning

confidence: 99%

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Solar Trees: First Large‐Scale Demonstration of Fully Solution Coated, Semitransparent, Flexible Organic Photovoltaic Modules

et al. 2015

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Section: Device Performance Of the Different Device And Module Architmentioning

confidence: 99%

Section: Device Performance Of the Different Device And Module Architmentioning

confidence: 99%

Solar Trees: First Large‐Scale Demonstration of Fully Solution Coated, Semitransparent, Flexible Organic Photovoltaic Modules

et al. 2015

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“…56,57 On the module level, capex can be reduced by eliminating the aluminum frame 27,58,59 and simplified tabbing and stringing of cells together. 60 Combined, the processes mentioned above represent over 75% of the capex of producing a monocrystalline PV module. 29 As discussed in the main text, increasing efficiency also proportionally reduces capex (in dollars per watt).…”

Section: View Article Onlinementioning

confidence: 99%

Economically sustainable scaling of photovoltaics to meet climate targets

Needleman

Poindexter

Kurchin

et al. 2016

Energy Environ. Sci.

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aTo meet climate targets, power generation capacity from photovoltaics (PV) in 2030 will have to be much greater than is predicted from either steady state growth using today's manufacturing capacity or industry roadmaps. Analysis of whether current technology can scale, in an economically sustainable way, to sufficient levels to meet these targets has not yet been undertaken, nor have tools to perform this analysis been presented. Here, we use bottom-up cost modeling to predict cumulative capacity as a function of technological and economic variables. We find that today's technology falls short in two ways: profits are too small relative to upfront factory costs to grow manufacturing capacity rapidly enough to meet climate targets, and costs are too high to generate enough demand to meet climate targets. We show that decreasing the capital intensity (capex) of PV manufacturing to increase manufacturing capacity and effectively reducing cost (e.g., through higher efficiency) to increase demand are the most effective and least risky ways to address these barriers to scale. We also assess the effects of variations in demand due to hard-to-predict factors, like public policy, on the necessary reductions in cost. Finally, we review examples of redundant technology pathways for crystalline silicon PV to achieve the necessary innovations in capex, performance, and price. Broader contextTo reduce CO 2 emissions enough over the next fifteen years and avoid the worst effects of climate change will require dramatic increases in the deployment of renewable energy, photovoltaics (PV) in particular. Climate action plans call for 2-10 terawatts (TW) of PV by 2030. Current manufacturing capacity could supply enough for 1 TW of cumulative installations at the end of this period, implying that growth in manufacturing capacity is necessary. Industry roadmaps project up to 2.6 TW but largely fail to assess whether these targets are economically feasible with today's PV module technology. Addressing the question of what technological innovations, if any, would enable rapid manufacturing scale-up requires a conceptual advance in modeling methodology. We address this challenge by coupling three industry-validated models: a bottom-up cost model, an economically sustainable growth-rate calculator, and a constraining demand curve. This approach enables us to determine the sensitivity of PV industry growth to specific technological and economic variables, considering both their effect on the ratio of up-front factory costs to revenue and demand as a function of PV module price. Shifting the demand curve enables us to consider the effects of different policy decisions, like a carbon tax or deployment subsidies.

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“…Alternate p-and n-type silicon solar cells are bifacial screen-printed cells which use alternating p-and n-type semiconductor devices thereby allowing direct interconnection of equivalent sides on front-to-front and back-to-back of neighbouring cells [30]. The advantages of this solar cell technology compared to their conventional equivalent include simpler interconnection procedure, closer assembly of cells (for aesthetic reasons) and higher yield during module fabrication.…”

Section: Comparison Of Different Interconnection Technologiesmentioning

confidence: 99%

A review of interconnection technologies for improved crystalline silicon solar cell photovoltaic module assembly

et al. 2015

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Large Area Screen Printed N-Type MC-SI Solar cells With B-Emitter: Efficiencies Close to 15% and Innovative Module Interconnection

Cited by 8 publications

References 3 publications

Solar Trees: First Large‐Scale Demonstration of Fully Solution Coated, Semitransparent, Flexible Organic Photovoltaic Modules

Solar Trees: First Large‐Scale Demonstration of Fully Solution Coated, Semitransparent, Flexible Organic Photovoltaic Modules

Economically sustainable scaling of photovoltaics to meet climate targets

A review of interconnection technologies for improved crystalline silicon solar cell photovoltaic module assembly

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