Designing New Materials for Photovoltaics: Opportunities for Lowering Cost and Increasing Performance through Advanced Material Innovations

Stein, Joshua S.; Eder, Gabriele; Berger, Karl; Bruckman, Laura S.; Vedde, Jan; Weiß, Karl-Anders; Tanahashi, Takahiko; French, Roger H.; Ranta, Samuli

doi:10.2172/1779380

Cited by 15 publications

(25 citation statements)

References 44 publications

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“…[ 78,90 ] G/TBS modules are 18–34% lighter, making them easier to transport, handle, and install. [ 80,85,87 ] Their fabrication process is similar to that of monofacial modules, making scalability easier. G/TBS also run at cooler operating temperatures (around 1–5 °C less) and show higher power output than G/G modules.…”

Section: Bifacial Pv Module Technologies and Leakage Current Pathsmentioning

confidence: 99%

“…[ 69 ] It is still not clear if the G/G or G/TBS module construction is better for bifacial modules as they both have their advantages and disadvantages (see Section 2.2). Lower PID susceptibility is generally reported on G/TBS modules compared to G/G modules [ 80,95,148,166 ] but that statement might change over time if the backsheet material degrades. For instance, Arruti et al have reported no moisture ingress in G/G HJT modules while G/BS modules show degradation due to moisture ingress inducing PID.…”

Section: Pid‐impacting Factors and Limitation Solutionsmentioning

confidence: 99%

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Review of Potential‐Induced Degradation in Bifacial Photovoltaic Modules

Molto

Mahmood

et al. 2023

Energy Tech

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Bifacial modules are increasingly deployed in the field and are expected to represent half of the market share within 10 years. Their rear structure differs from monofacial modules to allow additional light absorption. However, it brings new reliability challenges to address. In particular, the risk of potential‐induced degradation (PID) is increased as both module sides are impacted. Different PID processes have been identified in the literature: shunting type (PID‐s), polarization type (PID‐p), Na penetration type, and corrosion type (PID‐c). Their occurrence depends on the photovoltaic system configuration as well as the module's materials. Apart from PID‐s, PID processes are not well understood and extensive research is needed to elucidate the PID scenario and underlying mechanisms. Herein, current knowledge about PID processes and their impact on the main bifacial modules in the market are gathered with the aim to guide future research. Bifacial module technologies and leakage current paths leading to PID are described. Indoor and outdoor PID testing methods are detailed. For each bifacial module technology, the PID processes are investigated with their indicators, mechanism and recovery process. PID‐impacting factors and limitation solutions are finally reported and a state of the art on PID modeling is presented.

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Section: Bifacial Pv Module Technologies and Leakage Current Pathsmentioning

confidence: 99%

Section: Pid‐impacting Factors and Limitation Solutionsmentioning

confidence: 99%

Review of Potential‐Induced Degradation in Bifacial Photovoltaic Modules

Molto

Mahmood

et al. 2023

Energy Tech

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“…These trends are ongoing and lead to the introduction of new materials, designs, and manufacturing processes to lower costs and improve efficiencyresulting in a continually changing technological landscape. 4,5 On top of that, PV module lifetime expectations are increasing. Current research efforts aim for up to 50-years of service life while keeping performance degradation at a minimum for decades-putting additional pressure on improving the accuracy of long-term reliability assessments.…”

Section: Introductionmentioning

confidence: 99%

Durable Module Materials (DuraMAT) Consortium (Final Technical Report)

Schelhas

Hansen

Steinman

et al. 2023

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“…However, since its beginning, the PV industry has been faced with downward price pressure and a demand for higher efficiency cells and module designs. These trends are ongoing and lead to the introduction of new materials, designs, and manufacturing processes to lower costs and improve efficiency—resulting in a continually changing technological landscape 3,4 …”

Section: Introductionmentioning

confidence: 99%

“…These trends are ongoing and lead to the introduction of new materials, designs, and manufacturing processes to lower costs and improve efficiency-resulting in a continually changing technological landscape. 3,4 Fast-moving technological evolution, shortened product development cycles, and new players moving into the rapidly growing market present challenges in ensuring a diligent reliability assessment of new products. [5][6][7][8] New materials, designs, and manufacturing processes have the potential to introduce new, unknown degradation mechanisms and failure modes that are difficult to diagnose, analyze, test, and model for.…”

Section: Introductionmentioning

confidence: 99%

Future‐proofing photovoltaics module reliability through a unifying predictive modeling framework

Springer

Jordan

2022

Progress in Photovoltaics

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Solar energy, especially photovoltaics (PV), plays a significant role in the global energy transition required for decarbonization. Technological advancements in increasing efficiencies coupled with cost reductions through economies of scale made PV a cost-competitive energy source set to exceed the milestone of 1 TW globally deployed capacity in 2022. However, ongoing downward price pressure coupled with increasing service life expectations creates tremendous challenges for reliability engineers in ensuring the safe and reliable operation of PV modules and systems over the anticipated service life. Today's reliability research efforts aim for module lifetimes of up to 50 years. Still, our current tools fall short in accurately assessing degradation mechanisms and failure modes over such extended periods. We argue that the wellestablished PV reliability learning cycle needs to be accelerated to keep up with the rapid technological advancements and high expectations that are put on PV and its role in the global energy transition. In this article, we explore the evolution of the PV reliability learning cycle and highlight the significance that predictive modeling capabilities will have on future PV module reliability. We propose creating a unifying modeling framework-which once established will enable the holistic assessment of PV module reliability, accelerate the PV reliability learning cycle, and bring us closer to quantitative service life predictions of PV modules.

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Designing New Materials for Photovoltaics: Opportunities for Lowering Cost and Increasing Performance through Advanced Material Innovations

Cited by 15 publications

References 44 publications

Review of Potential‐Induced Degradation in Bifacial Photovoltaic Modules

Review of Potential‐Induced Degradation in Bifacial Photovoltaic Modules

Durable Module Materials (DuraMAT) Consortium (Final Technical Report)

Future‐proofing photovoltaics module reliability through a unifying predictive modeling framework

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