This inventor holds 3 USPTO granted patents and 5 published patent applications. Top assignee: Tel Solar Ag. Active years: 2014.
Location History:
- Neuchatel, CH (2014)
- Neuch{hacek over (a)}tel, CH (2014)
Company Filing History:
Years Active: 2014
Title: Innovations by Stefano Benagli in Photovoltaic Technology
Introduction
Stefano Benagli is a notable inventor based in Neuchâtel, Switzerland. He has made significant contributions to the field of photovoltaic technology, particularly in the development of high-efficiency solar cells. With a total of 3 patents to his name, Benagli's work is recognized for its innovative approaches to enhancing solar energy efficiency.
Latest Patents
One of Benagli's latest patents is for high-efficiency micromorph tandem cells. This invention discloses a method for manufacturing a micromorph tandem cell that includes a microcrystalline silicon (μc-Si:H) bottom cell and an amorphous silicon (a-Si:H) top cell. The design incorporates an LPCVD ZnO front contact layer and a ZnO back contact, combined with a white reflector. This configuration allows the micromorph tandem cell to achieve a stabilized efficiency of 10.6%.
Another significant patent by Benagli focuses on the intrinsic absorber layer for photovoltaic cells. This invention proposes a method for manufacturing an intrinsic absorber layer of amorphous hydrogenated silicon within a p-i-n configuration using PeCvD deposition. The method aims to improve throughput while maintaining the quality of the absorber layer. It establishes a specific processing regime in the reactor, with a pressure between 1 mbar and 1.8 mbar, and a flow of silane and hydrogen with a dilution ratio of 1:4 to 1:10. The RF plasma is generated with a power of between 600 W and 1200 W per 1.4 m² base structure surface to be coated.
Career Highlights
Stefano Benagli is currently associated with Tel Solar AG, where he continues to innovate in the field of solar technology. His work has been instrumental in advancing the efficiency and effectiveness of solar energy solutions.
Collaborations
Benagli collaborates with esteemed colleagues such as Evelyne Vallat-Sauvain and Ulrich Kroll, contributing to a dynamic research environment that fosters innovation in photovoltaic technology.
Conclusion
Stefano Benagli's contributions to the field of photovoltaic technology through his patents and collaborations highlight his role as a key innovator in solar energy solutions. His work continues to pave the way for advancements in renewable energy.