BrainMap

Tudoran Cristian

Dr. Eng.

- INSTITUTUL NATIONAL DE CERCETARE DEZVOLTARE PENTRU TEHNOLOGII IZOTOPICE SI MOLECULARE I N C D T I M

Curriculum Vitae (03/09/2019)

Expertise & keywords

The improvement of the manufacturing technology of lead-acid batteries to be used for start-and-stop automobiles Call name: Joint Applied Research Projects - PCCA 2013 - call
PN-II-PT-PCCA-2013-4-1226 2014 - 2017

Role in this project:

Coordinating institution: INSTITUTUL NATIONAL DE CERCETARE DEZVOLTARE PENTRU TEHNOLOGII IZOTOPICE SI MOLECULARE I N C D T I M

Project partners: INSTITUTUL NATIONAL DE CERCETARE DEZVOLTARE PENTRU TEHNOLOGII IZOTOPICE SI MOLECULARE I N C D T I M (RO); UNIVERSITATEA BABES BOLYAI (RO); ROMBAT S.A. (RO)

Affiliation: INSTITUTUL NATIONAL DE CERCETARE DEZVOLTARE PENTRU TEHNOLOGII IZOTOPICE SI MOLECULARE I N C D T I M (RO)

Project website: http://www.itim-cj.ro/PNCDI/rombss/

Abstract:

We propose a methodology for the improvement of fabrication technology for the positive electrodes used as components in the lead-acid batteries produced at sc rombat sa . The final goal of our consortium is to improve the current technology used by industrial partner for fabrication of the batteries to be used for start-and-stop automobiles (i.e . To satisfy the j240 – sae and en 50342-6 quality tests) . The proposed approach is designed for the optimization of the scientific and technological steps involved in the fabrication of positive electrodes . It integrates the fundamental knowledge obtained from ab initio calculations, synthesis of new chemical compounds, fabrication of new alloys and structural characterization of the materials used to fabricate the electrode, at both nanoscopic and mesoscopic scale . The key element for the integration of all these activities is the fabrication and characterization of functional prototypes by the industrial partner.

The main problem to be solved is to control the corrosion of the positive electrode during the charge-discharge cycles, imposed by the requests of the start-and-stop technology . The solutions proposed by our consortium are: (i) fabrication of new alloys to be used for the production of the metallic grid that support for the active mass of the electrode (ii) improving the fabrication technology of the metallic grid (iii) improving the electrochemical properties of the active mass by new fabrication technology and by the use of new additives to the active mass. We note here that for the negative electrode as well as for the electrolyte the standard products fabricated by sc rombat sa will be used . The project’s goal will be achieved by using a feed-back loop: the design of materials and the fabrication steps involved by each prototype will be refined by successive fabrication of the prototypes that will gradually incorporate the information produced by each partner . At each step of our methodology the full characterization of the electrochemical and structural properties of the materials and prototypes already fabricated will be used as starting point for further refinement of the fabrication technology . A continuous exchange of data between the research Institutes and the industrial partner is foreseen for the whole duration of the project . This will allow us to tune the results obtained in the laboratory with those produced in industrial conditions . At project’s term we will discuss the technological steps needed for the implementation of the results by using the infrastructure available at sc rombat sa.

Optical Nanofabrication in the domain 5 nm - 50 nm Call name: Joint Applied Research Projects - PCCA 2013 - call
PN-II-PT-PCCA-2013-4-1374 2014 - 2017

Role in this project:

Coordinating institution: STOREX TECHNOLOGIES SRL

Project partners: STOREX TECHNOLOGIES SRL (RO); UNIVERSITATEA POLITEHNICA DIN BUCURESTI (RO); INSTITUTUL NATIONAL DE CERCETARE DEZVOLTARE PENTRU TEHNOLOGII IZOTOPICE SI MOLECULARE I N C D T I M (RO); TEHNO ELECTRO MEDICAL COMPANY SRL (RO); INSTITUTUL NATIONAL DE CERCETARE-DEZVOLTARE PENTRU INGINERIE ELECTRICA ICPE - CA BUCURESTI (RO); REGIA AUTONOMĂ TEHNOLOGII PENTRU ENERGIA NUCLEARĂ - RATEN PITEŞTI SUCURSALA CENTRUL DE INGINERIE TEHNOLOGICĂ OBIECTIVE NUCLEARE BUCUREŞTI MĂGURELE CITON (RO)

Affiliation: INSTITUTUL NATIONAL DE CERCETARE DEZVOLTARE PENTRU TEHNOLOGII IZOTOPICE SI MOLECULARE I N C D T I M (RO)

Project website: http://storextech.github.io/nanofab/

Abstract:

The main objective of the Project “Optical Nanofabrication in the domain 50 nm – 5 nm” is to valorize the last results of Quantum Optical Lithography with resolution of 2 nm [1] to 3D optical nanofabrication.

Secondary objectives of NANOFAB Project are the following: i) development of metamaterials (3D photonic crystals) able to improve telecommunications ii) realization of nanochannels and nanoarrays for DNA studies and iii) production of metallic components such as gear for the prototype nanorobots.

Initially, complex 3D structures were produced by stacking multiple 2D layers. The patterns were realized by lithography (optical lithography and Electron Beam Lithography). A new opportunity in 3D fabrication has been started by the development of femtosecond lasers. Materials processing technology by using femtosecond laser irradiation has attracted tremendous interest from the scientific and technological communities. Studies have indicated that diffraction limit creates a major difficulty to obtain 3D structures with dimension smaller than 100 nm. Quantum Optical Lithography broke the diffraction barrier by using new approaches and materials (fluorescent photosensitive glass-ceramics, resist). Fluorescent photosensitive glass-ceramics were successfully tested to produce 3D nanostructures at 2 nm resolution.

The expected results are interesting and the exploitation of this new technique could be economically attractive. A group of novel technologies relating to laser nanomachining using Quantum Optical Lithography will be developed. This advanced materials processing technique opens the door to a new generation of optical devices for telecommunications, nanofluidics and biological sensing.

In present days, optical fiber telecommunications are carried out by infrared lasers. Optical Nanofabrication based on Quantum Optical Lithography with 2 nm resolution is the only technology able to realize at low price and high quality optical components dedicated for optical fiber telecommunications with visible light. This shift of wavelength from infrared to visible light will improve in a major way the performances of telecommunication systems.

US government agencies granted funds to universities and research institutes exceeding billion towards research developing nanodevices for medicine.

Large corporations like Alcatel-Lucent, NEC, Corning, Nippon Telegraph and Telephone invest in optical fiber telecommunications R&D and General Electric, Hewlett-Packard, Northrop Grumman work in the development of medical nanorobots. All these companies could be interested in the application of Optical Nanofabrication in production.

The 1961 classic science-fiction movie Fantastic Voyage movie was about a team of scientists who are shrunk down and sent in a miniature submarine inside the body to repair a blood clot in an ailing colleague’s brain.

The Project NANOFAB will start to convert this dream into reality by producing first metallic components needed for a prototype medical nanorobot.

[1] Pavel E, Jinga S, Andronescu E, Vasile B S, Kada G,

Sasahara A, Tosa N, Matei A,Dinescu M, Dinescu A and

Vasile O R 2013 2nm Quantum Optical Lithography ,

Optics Communications 291 259–263

High frequency cold plasmas for biodiesel production and surface engineering applications Call name: Postdoctoral Research Projects - PD-2012 call
PN-II-RU-PD-2012-3-0270 2013 - 2015

Role in this project: Project coordinator

Coordinating institution: INSTITUTUL NATIONAL DE CERCETARE DEZVOLTARE PENTRU TEHNOLOGII IZOTOPICE SI MOLECULARE I N C D T I M

Project partners: INSTITUTUL NATIONAL DE CERCETARE DEZVOLTARE PENTRU TEHNOLOGII IZOTOPICE SI MOLECULARE I N C D T I M (RO)

Affiliation: INSTITUTUL NATIONAL DE CERCETARE DEZVOLTARE PENTRU TEHNOLOGII IZOTOPICE SI MOLECULARE I N C D T I M (RO)

Project website: http://www.itim-cj.ro/PNCDI/ru26/

Abstract:

The proposed project has two major objectives: 1) the design, building and testing of a portable biodiesel microreactor for the experimental production of biodiesel fuel at small scale, and 2) development and testing of a method for treating the surface of graphite loaded EPDM rubber for improving its bonding properties. Based on the experience and expertise gained during the period of the doctoral studies, the project leader wishes to develop a small, cold plasma reactor for manufacturing biodiesel. The ideea is to design, build and test an efficient, fast and portable system that in the near future could enable farmers to produce a cleaner-burning diesel fuel substitute on their farms using seed crops they grow on their own land. A microreactor based on the effects of high frequency cold plasma eliminates many of the steps necessary to obtain the biodiesel fuel by the chemical process like:mixing,standing time and the need for a dissolved catalyst.

The second objective of the proposed project is to test and improve a surface activation method for the graphite loaded EPDM rubber, also based on the effects of high frequency cold plasmas.

Such a surface activation method brings three advantages over the chemical or abrasive surface preparation method: reduction of time of the entire process, eliminates the need to use toxic volatile organic compounds and the surface of the treated material keeps its activated property for a much longer time.

Effects of microwave fields on essential oils and secondary metabolites of some indigene plants Call name: Projects for Young Research Teams - TE-2011 call
PN-II-RU-TE-2011-3-0283 2011 - 2014

Role in this project:

Coordinating institution: Institutul National de Cercetare - Dezvoltare pentru Tehnologii Izotopice si Moleculare, Cluj-Napoca

Project partners: Institutul National de Cercetare - Dezvoltare pentru Tehnologii Izotopice si Moleculare, Cluj-Napoca (RO)

Affiliation: Institutul National de Cercetare - Dezvoltare pentru Tehnologii Izotopice si Moleculare, Cluj-Napoca (RO)

Project website: http://www.itim-cj.ro/PNCDI/ru76/index.html

Abstract:

The seasoning plants (spices) are ingredients that, added to food and drinks give the flavor, taste and color, without having nutritional value. Due to their uses in medicine and cosmetics, it is important to know their composition and how it is affected by external factors (electromagnetic radiation, drought, and other types of stress). Among these plants, we selected three for our study: Anethum graveolens, Petroselinum crispum and Apium graveolens, rich in volatile oils and antioxidants (especially vitamin C).

The general objective of the project is the effects determination of microwave fields on volatile oils, vitamin C and secondary metabolites of some indigene plants. Within this objective will consider the following specific objectives: 1. Preparation of system for microwave irradiation of the plants considered for the study; 2. Selection of extraction methods for bioactive compounds analyzed from the seasoning plants considered for the study; 3. Monitoring changes of vitamin C amount from the irradiated plants compared to the reference plants; 4. Monitoring of the essential oils composition changes, from the irradiated plants compared to the reference plants; 5. Tracking BVOC variation in microwave stressed plants with different frequencies and powers; 6. Monitoring changes occurred in BVOC from the irradiated plants compared to the reference plants; 7. Concluding of the chemical and structural changes from irradiated plants.

FILE DESCRIPTION	DOCUMENT
List of research grants as project coordinator or partner team leader
Significant R&D projects for enterprises, as project manager
R&D activities in enterprises
Peer-review activity for international programs/projects