Study
SustainabilityHigh ImpactStrong effect

Reducing solar cell production costs through material innovation and process optimization

Innovations in solar cell design, particularly in heterojunction technology, can significantly reduce production costs and improve efficiency by optimizing material usage and manufacturing processes.

Solar Energy Materials and Solar Cells · 2016

01

Key Findings

  • 01Current SHJ module costs are comparable to conventional c-Si modules (0.48–0.56 USD/Wp vs. 0.50 USD/Wp), with higher metallization costs for SHJ offset by efficiency gains.
  • 02Prospective analysis shows SHJ modules can achieve significantly lower costs (0.29–0.35 USD/Wp) through reduced silver consumption, increased cell efficiency, and thinner wafers.
  • 03Conventional c-Si module costs are less sensitive to silver paste consumption, limiting their potential for cost reduction.
02

Application

Design takeaway

Designers should prioritize material innovation and process optimization to drive down the cost of solar energy technologies, with a particular focus on reducing expensive material inputs and maximizing efficiency.

How to apply

When designing new solar cell technologies, conduct a thorough life-cycle cost analysis and project future cost reductions based on anticipated material and process advancements.

Project actions

  • 01When researching materials for your design, consider their long-term cost implications and potential for reduction.
  • 02Explore how manufacturing processes can be optimized to improve product performance and lower production costs.
03

Method & Evidence

AimTo analyze and project the production costs of silicon heterojunction (SHJ) solar cells compared to conventional crystalline silicon (c-Si) solar cells, and to identify pathways for cost reduction.
MethodLife-cycle costing and prospective analysis
ProcedureThe study analyzed the current production costs of five different SHJ cell designs and compared them to conventional c-Si modules. It then used literature data on technological improvements to project future production costs for these designs.
ContextPhotovoltaic energy production

Variables

IV["Solar cell design (SHJ vs. c-Si)","Material composition (e.g., silver paste usage)","Manufacturing process parameters"]
DV["Production cost per Watt-peak (USD/Wp)","Cell efficiency (%)"]
CV["Wafer thickness","Module materials (excluding conductive adhesives)","Core patent expiry"]
04

Strengths & Limitations

Strengths

  • +Comprehensive life-cycle costing approach.
  • +Inclusion of both current and prospective cost analyses.

Limitations

Future cost projections are speculative and depend on the successful implementation of technological advancements.

Reliability & validity

The study's reliability is supported by its use of established costing methodologies and literature data. Validity is enhanced by comparing multiple SHJ designs and projecting future trends.

Think critically

To what extent can the projected cost reductions in SHJ solar cells be generalized to other emerging renewable energy technologies?

05

Design Principles

"Cost-effectiveness in renewable energy systems is achieved through a combination of material efficiency, process optimization, and technological advancement."

This research highlights the critical role of material science and manufacturing process improvements in driving down the cost of renewable energy technologies. Designers and engineers can leverage these insights to develop more cost-effective and sustainable energy solutions.

06

What This Means for Your Design

New solar panels (SHJ) cost about the same as old ones now, but if we use less silver and make them more efficient, they could become much cheaper in the future.

How to use in your project

  • 1.Reference this study when discussing the cost-effectiveness of material choices or manufacturing processes in your design project.
07

Add to My Project

08

Quick Cite

(2016). A cost roadmap for silicon heterojunction solar cells. Solar Energy Materials and Solar Cells. https://doi.org/10.1016/j.solmat.2015.12.026 Retrieved from https://designdex.org/study/ef6333aa-0c4a-48a4-8c25-5b7b5b82c12a/reducing-solar-cell-production-costs-through-material-innovation-and-process-optimization

Paragraph starter

This research indicates that advancements in material usage and manufacturing processes, such as those seen in silicon heterojunction solar cells, can lead to significant cost reductions and improved efficiency in renewable energy technologies. Designers should consider these factors when selecting materials and optimizing production methods for sustainable solutions.

09

Source

Solar Energy Materials and Solar Cells

A cost roadmap for silicon heterojunction solar cells

journal · 2016

View source

Questions about this research

What does the research say about reducing solar cell production costs through material innovation and process optimization?
Designers should prioritize material innovation and process optimization to drive down the cost of solar energy technologies, with a particular focus on reducing expensive material inputs and maximizing efficiency. Evidence: Solar Energy Materials and Solar Cells (2016).
Why does "Reducing solar cell production costs through material innovation and process optimization" matter for design?
This research highlights the critical role of material science and manufacturing process improvements in driving down the cost of renewable energy technologies. Designers and engineers can leverage these insights to develop more cost-effective and sustainable energy solutions.
How can designers apply this research?
Designers should prioritize material innovation and process optimization to drive down the cost of solar energy technologies, with a particular focus on reducing expensive material inputs and maximizing efficiency.
What were the main findings?
Current SHJ module costs are comparable to conventional c-Si modules (0.48–0.56 USD/Wp vs. 0.50 USD/Wp), with higher metallization costs for SHJ offset by efficiency gains.. Prospective analysis shows SHJ modules can achieve significantly lower costs (0.29–0.35 USD/Wp) through reduced silver consumption, increased cell efficiency, and thinner wafers.. Conventional c-Si module costs are less sensitive to silver paste consumption, limiting their potential for cost reduction.
What research method was used?
Life-cycle costing and prospective analysis.
How strong is the evidence?
Evidence strength is rated Strong effect, based on a 2016 journal from Solar Energy Materials and Solar Cells.
What should I do differently in my next project?
When designing new solar cell technologies, conduct a thorough life-cycle cost analysis and project future cost reductions based on anticipated material and process advancements.
What are the limitations?
The prospective analysis relies on literature data for technological improvements, which may not fully materialize.
Is there evidence that material innovation affects design outcomes?
While current costs for new SHJ solar cells are similar to older silicon designs, future improvements in materials and manufacturing could make SHJ cells substantially cheaper and more efficient. This research highlights the critical role of material science and manufacturing process improvements in driving down the co Source: Solar Energy Materials and Solar Cells (2016).
Where does this innovation process research apply?
Photovoltaic energy production It sits within sustainability research on designdex.org.

Related research topics

material innovation design research · evidence on material innovation · does material innovation improve design outcomes · innovation process studies for designers · material innovation and innovation process findings · sustainability research evidence