This procedure is faster, with lower energy consumption and generates purer spinels than known methods for spinel production. With this invention, it’s possible to provide new methods for obtaining spinels or other mixed oxides with a higher processability and versatility than those existing to date, allowing also for obtaining new spinels and removing the need for extremely costly phases in time or energy, including milling or heating at temperatures up to 1200ºC.
Description of the tech for sale
Metallic oxides with spinel structure have attracted great interest over the last decades because of the good behaviour of its physical properties and its high applicability. At industrial level, the synthesis of metallic oxides requires a previous grinding step and a high temperature treatment (over 1100 ºC) for a long time. Nevertheless, this procedure, like other alternative methods, has the disadvantage to need high energy consumption and long time and besides, produces final products with high degree of impurities. Researchers of the Institute of Molecular Science of the University of Valencia have developed a new procedure for the synthesis of spinels from water soluble precursors.
Specifications
It discloses new magnetic homo- or heterometallic polymers based on the oxalate ligand with a high water-solubility as well as procedures for synthesizing from them high-purity spinel-type metal oxides as well as other mixed oxides with structures other than the spinel type. The water solubility of the precursors gives a high processability to these molecular compounds, which allows for preparing nanostructures of these precursors and of the final spinels. This opens the way to new applications that cannot be obtained from the other molecular precursors known to date due to their high insolubility in all solvents.
Main advantages of its use
Applications
The University of Valencia, founded over five centuries ago by the Juries of Valencia, is a modern European public University, open to almost all branches of knowledge: social, economic and legal sciences, Basic experimental sciences, engineering and Tehcniques, health sciences, educational sciences and the humanities.
More than 41,000 undergraduate students, 4,000 postgraduate students, 2,000 students from other universities all over the world, take classes taught by more than 4,000 professors, lectures and researchers at our campuses (more than 440.000 square meters) with the support of over 1,700 administration and service staff.
Our university community is committed to being a university of reference: we are ranked 4º in Europe in receiving Erasmus students and 5ª in sending of students (Ranking Erasmus Mobility); It is fourth spanish university in research at the international level, ranking between 201 and 300, according to Shanghai Jiao Tong University Rankings.
The University of Valencia is working in a wide range of investigative fields. The results of this activity are applied in a variety of productive sectors and social areas. Information of interest for businesses and public bodies about the Scientific and Technological Capacity of the University of Valencia is made available and offered for socioeconomic transfer through its Research Results Transfer Office (OTRI).
The OTRI is a service that manages and assesses in the generation and transfer of University knowledge towards the industry, encouraging the University role as an active agent in the economic and social development; makes easier the access to the University of Valencia research facilities; manage the intellectual property of the research results produced in the University and carry out its valorisation for efficient transfer, and offers orientation of university research groups towards the needs of Business, promoting and guiding effective relationships for exchange of knowledge applied to the needs of social and industrial environment, making easier its information dissemination and transfer.
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