«Projects«

Microsyscell

Hight efficiency photovoltaic cells obtained using microsystem technologies.

2008-2010

Contract 191/19.08.2008 INNOVATION

Coordinator

Sitex 45 Bucharest

Partners

IMT Bucharest
Targoviste University
Bucharest University

Project

Having in sight the current tendency, having to step up worldwide in general and in particular at the european level, efforts to identify new sources of non-conventional energy, is evident the need for development of integrated technologies for the realization of photovoltaic solar cells of great efficiency and low price, on different substrates, using conventional technologies and nano-materials.
Photovoltaic cells represent a tempting solution for power supply to some isolated locations. These devices form the basis of some applications that range from simple systems and up to the most complex systems. The fact that the Assembly of these cells in areas/arrays on solar panels it is possible to obtain electrical energy represents a powerful investing argumet some considerable sums in research activities to allow the identification and resolution of problems that arise from technological achievement. Original manufacturing technology solar cells based on individual technological processes developed within MOS technologies and processes developed in micromachining, MEMS research-market requirements, allowing cost-effective realization of photovoltaic devices with high conversion efficiency.
By researching and developing a versatile technology of making solar cells with high conversion efficiency, ensure project opening a wide range of innovative industrial and technical applications for powering electric static and mobile consumers based on modern design possibilities for achieving a broad range of solar cell panels as alternative sources of energy with the highest levels of economic efficiency for the users.
The uptake of this technology in its manufacturing process, ensuring obtaining of solar cells with higher efficiency, which meet the quality conditions necessary to be used in interior lighting systems, the parameters of the forced internal and international standards, allow the removal of some products that lead to:
* Operation of an indoor market niches currently only imported
* To ensure a level of performance compared to similar imported products, but at a price less than cost sensitive, justified primarily by the lower cost of labour
* Increasing the quality of Romanian products, resulting in the increase of export immediately and listing of them on foreign markets
* Obtaining additional benefits generated by diversification of applications.
Research of new improvements in conversion efficiency at a low price is achieved by the combination of micromachining technologies with conventional technologies for the realization of semiconductor devices on Silicon.
Processes have been designed tenonologice individual associated in an optimum technological flux led finally in addition to increasing the efficiency of the solar cell and a significant reduction in the cost of manufacturing them (there are 2 levels of masking used instead of 4)-patent

Results

Assignment and exploitation by the partners of property rights on the results

Since the contracting project partners have established through a collaborative Agreement Firm intellectual property rights as follows:
1.Intellectual property:
- Technical documentation of any kind (reports of research, experimentation, study) will belong to the partners involved in accomplishing the stages concerned, with its obligation to diseminate.
As a result of the research project may result in one or more processes, patentable. Patent rights will be established between participants, in relation to the percentage of the original contribution of each participant, in accordance with law No. 64/1991.
2. Broadcast rights to the results:
Project partners may broadcast the results of the research, after the eventual patentability with a requirement mentionarii private company and the person's name from the project, author and co-author of the paper.
As a result of research conducted in this project team members working from IMT filed the patent for invention no.: 122515/30.07.2009 Process for fabrication of high-efficiency solar cells on monocrystalline silicon, authors: Manea Elena, Podaru Cecilia, Budianu Elena, Purica Munizer, Coraci Antonie, Popescu Alina
The invention relates to a process for manufacturing solar cells of high efficiency monocrystalline silicon substrate using silicon surface texturing

Consortium

The consortium will implement the project, which is based on the development of new technological processes and new technology made that allows the realization of photovoltaic cells with high efficiency by reducing the losses based on the micro surface and achieving a high-performance device which will be introduced in the manufacturing process but at the same time a product certified in accordance with international standards. For the implementation of project results in correlation with the fabrication profile of coordinator it leaves the main goal of the project is the development of new technologies for fabrication of solar cells optimized conversion efficiency through integration of nanostructured materials and deposition of layers on the surface of ultra-thin solar cells with direct microtexturizate.
It is noticed from the results obtained so far in the project as a proposed method leads to the improvement of the performance of these devices via sensible: 􀂙 increasing the range of operating temperatures, solar cell power ever since, improving the capacity of absorption of light what is in accordance with the technical and functional requirements of the product to be carried out under the terms established by coordinator.
For introduction in the industrial manufacturing of the product is needed:
- Reducing production costs in phases of the project,
- Solve technical problems; appropriate technologies and for the achievement of reliability products through implementation of modern solutions for packaging of items of individual cells and the optimum integration of solar cells in photovoltaic panels of the upper ranadament.
For Sitex 45 the development and fabrication technologies of solar cell based on the transfer of technology developed in the project will enlarge its areas of activity through the assimilation of manufacture solar cells and enhance the effectiveness of product development with CA. 8% as well as increasing the efficiency of the problematic of the luminous flux at approximately 40% for applications in the field of energy
For implementation into production very good results of the project will need to provide the Coordinator and the development of facilities for equipment reliability and endurance tests of individual cells and integrated solar panels in modular elements.
For a full analysis of the issues and requirements for deployment in industrial production of the project must be considered the introduction of serial fabrication reinforce each and in programmes at the level of the operator for initial training and specialization and of technical personnel and sales production management and quality control.

«Projects«