Risen Energy Slashes Silver Use in HJT Cells to 3.9 mg/W, Leading Global Cost Reduction
Event summary
- Risen Energy has reduced pure silver consumption in its HJT cells to 3.9 mg/W, a global industry-leading figure.
- The company's low-silver metallization paste strategy involves encapsulating low-cost metal cores with a silver shell.
- Rigorous testing shows low-silver modules perform comparably or better than pure silver modules in degradation and power output.
- Copper emerged as the prime candidate for substitution due to its high conductivity, ample reserves, and cost-effectiveness.
The big picture
Risen Energy's strategic shift towards low-silver metallization in HJT cells addresses critical industry challenges around silver's limited reserves and price volatility. This move aligns with broader trends in renewable energy towards cost reduction and sustainability, potentially setting a new standard for photovoltaic technology. The company's systematic approach and successful industrialization highlight its leadership in driving material innovation within the solar sector.
What we're watching
- Material Innovation
- How Risen Energy's low-silver strategy will influence broader industry adoption of alternative metallization materials.
- Cost Dynamics
- Whether the reduction in silver use will lead to significant LCOE decreases and higher ROI for solar projects.
- Scalability
- The pace at which Risen Energy can scale its low-silver technology while maintaining performance and reliability.
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