Results
For the latest results of the NextBase project, please click the topic of your interest in the figure below.
Deliverables
The deliverables for the NextBase project have been divided in 9 different categories, please click the category to view the available reports.
Most of the reports are confidential (CO), in those cases only a public summary is available.
Result categories
- Advanced silicon wafer preparation
- Novel layer stacks and contacting materials
- High-efficiency IBC-SHJ devices processing
- IBC-SHJ process integration for mass production
- Module encapsulation and interconnection of IBC-SHJ devices
- Characterization and numerical simulations
- Cost and life-cycle analysis
- External Downloads
1. Advanced silicon wafer preparation
- Fabrication and delivery of 2500 High quality n-type Cz wafer per year by CSEM (PU)
- Optimized thermal processes for bulk lifetime improvement by IMEC (CO)
- Textured c-Si exhibiting low reflectance (<5%) and implied current density beyond 41.5 mA/cm2 by TUD (PU)
2. Novel layer stacks and contacting materials
- IBC devices employing a-Si:H and c-Si:H based contact stack with Voc>740 mV and FF>82% by EPFL (PU)
- IBC devices with TMO based contact stacks with Voc>740 mV and FF>82% by HZB (PU)
- “Optimized front- side with ultimate transparency and passivation quality for IBC-SHJ with Jsc > 42 mA/cm2” by IMEC (CO)
- Plating solutions for large-area IBC-SHJ devices by Fraunhofer (CO)
3. High-efficiency IBC-SHJ devices processing
- Selection of suitable patterning schemes for ≥ 26.0%-efficient devices by CSEM (CO)
- “Light management scheme allowing Jsc > 42 mA/cm2 (interlinked to D4.3)” by TUD (CO)
- IBC-SHJ device with efficiency ≥ 26.0% on 6-in wafer by CSEM (PU)
4. IBC-SHJ process integration for mass production
- Report on the breakdown of optical and electrical losses in IBC-SHJ solar cells and optimization strategies by HZB (PU)
- Tool manufacturing, testing and pilot cell fabrication: SHJ double side contacted cells with FF>80%, precursors with layer patterning >2ms and Jo<10 fA/cm2 by MBR/CSEM (CO)
- IBC-SHJ cells processing with a throughput >10 wafers/hour by MBR/CSEM (PU)
- Public summary WP6
5. Module encapsulation and interconnection of IBC-SHJ devices
- Demonstration of the new interconnection technologies in working mini-modules of 2×2 cells by IMEC (CO)
- Final report on the global cost evaluation of NextBase technologies: impact analysis of the NextBase technology scale-up in a 500 MWp production plant scenario by CEA (CO)
- “Optimized AR-coating and encapsulation integrated in a 60-cell module meeting the reliability requirements of KPI 7.2” by DSM (CO)
- “High-efficiency 60-cell module available for extensive characterization in WP8, incorporating the technologies developed in T7.1, T7.2 and T7.3” by CEA (CO)
- High-efficiency module showing an energy conversion efficiency above 22% by CEA (CO)
6. Characterization and numerical simulations
- Report on the breakdown of optical and electrical losses in IBC-SHJ solar cells and optimization strategies by HZB (PU)
- Reports on optical characterization of comb finger shapes with guidelines for use by other WPs by FZU (PU)
- Report on the rear design of high efficiency IBC-SHJ solar cells by HZB (PU)
- Report on the energy yield of IBC-SHJ- based PV modules in both mono-and bi- facial configurations by IMEC (PU)
- “Report on a pathway to reach the efficiencies defined in the project goals, and beyond” by TUD (PU)
7. Cost and life-cycle analysis
- First report on the global cost evaluation of NextBase technologies by CEA (CO)
- Final report on the global cost evaluation of NextBase technologies: impact analysis of the NextBase technology scale-up in a 500 MWp production plant scenario by CEA (CO)
- Report on NextBase technology environmental analysis by EGP (CO)
- Report on technology assessment at system level by CEA (CO)
