Sökning: "ionic current"

Visar resultat 11 - 15 av 97 avhandlingar innehållade orden ionic current.

1. 11. Exploring the Frontiers of Polymer Electrolytes for Battery Applications : From Surface to Bulk

   Författare :Christofer Sångeland; Daniel Brandell; Stefano Passerini; Uppsala universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Lithium-ion batteries; solid-state polymer electrolytes; electrochemical stability window; interfaces; ionic conductivity; polycarbonate; polyester; sustainability; sodium-ion;

   Sammanfattning : Lithium-ion batteries have dominated the market since their inception in 1991 due to their unparalleled energy and power densities, but are now faced with new challenges. Growing demand for battery materials for energy intense applications and large-scale interim energy storage have emphasized the need for safe and sustainable battery electrolytes. LÄS MER

3. 12. Integrated microsystems for continuous glucose monitoring, interstitial fluid sampling and digital microfluidics

   Författare :Federico Ribet; Niclas Roxhed; Göran Stemme; Boris Stoeber; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Microelectromechanical systems MEMS ; biosensors; biomedical devices; continuous glucose monitoring CGM ; glucose sensors; microneedles; interstitial fluid sampling; minimally-invasive technologies; electrochemical sensors; heterogeneous integration; wire bonding; magnetic assembly; electrowetting-on-dielectric EWOD ; digital microfluidics; ionic liquids; gas sensors; optical switches; laser shutters.; Electrical Engineering; Elektro- och systemteknik;

   Sammanfattning : Interdisciplinary research between medicine and microsystem engineering creates new possibilities to improve the quality of life of patients or to further enhance the performance of already existing devices. In particular, microsystems show great potential for the realization of biosensors and sampling devices to monitor bioanalytes with minimal patient discomfort. LÄS MER

4. 13. New anions for lithium battery electrolytes

   Författare :Johan Scheers; Chalmers tekniska högskola; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Batteries; ab initio; electrolytes; Raman spectroscopy; anions; DFT; ionic liquids; lithium salts;

   Sammanfattning : Energy storage is crucial to realize a new global energy paradigm based on renewable energy sources. Batteries are well suited this need, with the advantages of being mobile and potentially environmentally benign. LÄS MER

5. 14. Sulfonated Cellulose Membranes for Energy Storage Applications

   Författare :Sanna Lander; Xavier Crispin; Viktor Gueskine; Mikhail Vagin; Aji Mathew; Linköpings universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Nanocellulose; Membranes; Ionic transport; Redox flow batteries;

   Sammanfattning : In the ongoing efforts to reduce the dependency of mankind on fossil fuels for the supply of energy, renewable energy sources such as solar cells and wind turbines are employed to an increasing extent. Transitioning a large portion of electrical grids to intermittent power sources come with several problems that need to be taken into account and handled, such as ensuring supply at peak power demand and considering frequency regulation and other issues related to the stability of the grid. LÄS MER

7. 15. Ionic and electronic transport in electrochemical and polymer based systems

   Författare :Anton Volkov; Igor Zozoulenko; Magnus Berggren; Xavier Crispin; Yury Gogotsi; Linköpings universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Modeling; Charge transport; Charge carriers Electrochemical systems; Polymer; PEDOT:PSS; Supercapacitance; Cyclic voltammetry; double layers; Nernst-Planck-Poisson; DFT; TDDFT; Ion Bipolar Junction Transistor; ETE-S;

   Sammanfattning : Electrochemical systems, which rely on coupled phenomena of the chemical change and electricity, have been utilized for development an interface between biological systems and conventional electronics.  The development and detailed understanding of the operation mechanism of such interfaces have a great importance to many fields within life science and conventional electronics. LÄS MER