Northwestern Events Calendar

Apr
28
2015

MSE Colloquium (DORN LECTURE):John Kilner

recurring see all events in this series

When: Tuesday, April 28, 2015
4:00 PM - 5:00 PM CT

Where: Technological Institute, L361, 2145 Sheridan Road, Evanston, IL 60208 map it

Audience: Faculty/Staff - Student - Public - Post Docs/Docs - Graduate Students

Cost: $0.00

Contact: Department Office   (847) 491-3537

Group: Department of Materials Science and Engineering (MatSci)

Category: Lectures & Meetings

Description:

The Department of Materials Science and Engineering welcomes you to its 2015 Spring Colloquium Series.


Location: Tech L361, 4:00pm

“Solid State Ionics: From Defects to Devices”
In 1834 Michael Faraday first observed the conduction of electricity in ionic crystals by experimenting with Ag2S, long before an understanding had been gained of the laws of thermodynamics or the regular arrangement of atoms in the solid state. Much later the transport of ionic species in the solid state was shown to rely upon the presence of point defects in the crystal lattice. This has been well understood since the work of Wagner, Schottky and Frenkel in the early part of the 20th century, when the foundations of solid state ionics were first laid down. Today solid state ionics covers a wide range of materials from ionically conducting polymers to oxide ceramic conductors that show both ionic and electronic conductivity.

The application of these fascinating materials has been widespread. The major applications have been found in electrochemical energy storage and conversion, particularly for clean energy systems. Perhaps the most well-known example is the Li ion battery found in the majority of portable electronic devices. Other examples include: gas sensors, gas separation membranes, fuel cells, electrolysers and photochromic devices.

In this presentation we will explore the development and application of oxide ceramics that show fast ion conduction; looking at the very special crystal and defect structures necessary to promote this phenomenon. We will then examine specific devices and show the difficulty of turning the useful property of ion conduction into a practical device.

Biography: John Kilner gained his PhD from Birmingham University in the UK and joined Imperial College London in 1979 as Wolfson Research Fellow. In 1995 he was appointed Professor of Materials Science and in 2006, BCH Steele Professor of Energy Materials. He also holds appointments at CIC Energigune in Vitoria, Spain where he heads the ceramic electrolyte group, and he is a Principal Investigator at International Institute for Carbon Neutral Research (I2CNER) in Kyushu, Japan.

John has over 30 years experience in the measurement of mass transport and surface properties of ceramic materials for Solid Oxide Fuel Cells (SOFCs), Solid Oxide Electrolysers (SOEC’s), Ceramic Oxygen Generators (COGs) and solid state Li batteries. He is a co-founder of the AIM listed company Ceres Power Ltd, winner of the European Fuel Cell Forum Schönbein gold medal, the Verulam medal of the IOMMM, and the recipient of the 2005 Royal Society Armourers and Braziers award. In 2012 he lead an international team from the UK, Spain, the US and Japan, that won the International Union of Materials Research Societies Somiya Award for international collaboration.

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