&gt;23% Silicon heterojunction solar cells in Meyer Burger's Demo line: Results of pilot production on mass production tools

Zhao, Jun; König, M.; Wissen, Arne; Breus, V.; Deckerl, D.; Fritzsche, M.; Schorch, M.; Nonnenmacher, Hermann; Leonhardt, M.; Groβe, Thomas; Hausmann, J.; Waltmger, A.; Landgraf, Dirk; Burkhardt, Stephan; Mehlich, H.; Vetter, E.; Schitthelm, F.; Yu, Yao; Söderström, T.; Richter, André; Habermann, D.; Leu, S.

doi:10.1109/pvsc.2017.8366365

Cited by 8 publications

(5 citation statements)

References 2 publications

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“…In solar panel maintenance, visual inspections 12 could thus be conducted to check for defects in any of the panels. In addition, drone/light unmanned vehicle techniques with infrared cameras could also be instead of ground-based inspection techniques [20][21][22]. Furthermore, pilot and sensor operator inspected visual images can be taken from a height of 10-15m during maintenance in a large-scaled PV system or rooftop system, which could reduce the number of manual tasks required and reduce the amount of time taken to conduct the inspections.…”

Section: Resultsmentioning

confidence: 99%

Multiple Fault Location in a Photovoltaic Array Using Bidirectional Hetero-Associative Memory Network in Micro-distribution Systems

Chang¹,

Pai²,

Chou³

et al. 2018

Preprint

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Abstract:In manual maintenance inspections of large-scaled photovoltaic (PV) or rooftop PV systems, several days are required to survey the entire PV field. To improve reliability and shorten the amount of time involved, this study proposes an electrical examination based method for locating multiple faults in the PV array. The maximum power point tracking (MPPT) algorithm is used to estimate the maximum power of each PV panel; this is then compared with metering the output power of PV array. Power degradation indexes are parameterized to quantify the degradation between maximum power and metered output power. Bidirectional hetero-associative memory (BHAM) networks are then used to locate multiple faults within the entire PV field. For a rooftop PV system with two strings, experimental results demonstrate that the proposed model has computational efficiency for real-time applications and that its algorithm is easily implemented in a mobile intelligent vehicle.

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Section: Resultsmentioning

confidence: 99%

Multiple Fault Location in a Photovoltaic Array Using Bidirectional Hetero-Associative Memory Network in Micro-distribution Systems

Chang¹,

Pai²,

Chou³

et al. 2018

Preprint

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“…(4) The symmetrical structure of HJT solar cells makes them highly adaptable to thin silicon wafers, which will be a potential cost advantage for the industrialization of HJT solar cells [3][4][5]. For example, HJT solar cells with a thickness of ~ 90 μm have been reported by Meyer Burger and Panasonic [6,7].…”

Section: Introductionmentioning

confidence: 99%

Review on Metallization Approaches for High-Efficiency Silicon Heterojunction Solar Cells

Zeng

Peng

Wang

et al. 2022

Trans. Tianjin Univ.

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Crystalline silicon (c-Si) heterojunction (HJT) solar cells are one of the promising technologies for next-generation industrial high-efficiency silicon solar cells, and many efforts in transferring this technology to high-volume manufacturing in the photovoltaic (PV) industry are currently ongoing. Metallization is of vital importance to the PV performance and long-term reliability of HJT solar cells. In this review, we summarize the development status of metallization approaches for high-efficiency HJT solar cells. For conventional screen printing technology, to avoid the degradation of the passivation properties of the amorphous silicon layer, a low-temperature-cured (< 250 ℃) paste and process are needed. This process, in turn, leads to high line/contact resistances and high paste costs. To improve the conductivity of electrodes and reduce the metallization cost, multi-busbar, fine-line printing, and low-temperature-cured silver-coated copper pastes have been developed. In addition, several potential metallization technologies for HJT solar cells, such as the Smart Wire Contacting Technology, pattern transfer printing, inkjet/FlexTrailprinting, and copper electroplating, are discussed in detail. Based on the summary, the potential and challenges of these metallization technologies for HJT solar cells are analyzed.

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“…In last years, the development of SHJ has been subject to extensive investigation in Europe with the implementation of few pilot lines [3][4][5]. Recently, actors that were previously focused on thin-films modules found in SHJ a way to convert their existing production capacity with limited CAPEX maintaining their position in the PV manufacturing [6][7][8].…”

Section: Introductionmentioning

confidence: 99%

High Efficiency Hetero-Junction: From Pilot Line To Industrial Production

Condorelli

Favre

Battaglia

et al. 2018

2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC &Amp

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Combination of silicon heterojunction cell technology (SHJ) with bifacial module architecture is an appealing solution for manufactures who are focused on PV system performances. In this paper, we will present a study with an industrial perspective, initiated to address specific challenges of producing SHJ cells and modules in Europe. The impact of incoming wafer quality has been studied by analyzing at full ingot scale the efficiency performances of SHJ cells. The impact of long queue time prior to deposition is also reported. Finally, results of full size modules with 72 cells are presented.

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>23% Silicon heterojunction solar cells in Meyer Burger's Demo line: Results of pilot production on mass production tools

Cited by 8 publications

References 2 publications

Multiple Fault Location in a Photovoltaic Array Using Bidirectional Hetero-Associative Memory Network in Micro-distribution Systems

Multiple Fault Location in a Photovoltaic Array Using Bidirectional Hetero-Associative Memory Network in Micro-distribution Systems

Review on Metallization Approaches for High-Efficiency Silicon Heterojunction Solar Cells

High Efficiency Hetero-Junction: From Pilot Line To Industrial Production

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