54 - Virus templated lithium ion battery materials: New cathodes
for higher energy and capacity
Dr. Mark A. Allen, Rachel Kolesnikov-Lindsey, Prof. Angela M. Belcher Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA, United States
One of the greatest challenges facing the scientific community is addressing how energy will be produced and stored in the future. As renewable energy sources become readily available the need for energy storage (either locally or communally) becomes more apparent. Furthermore, portable electronic devices require, above all, safe materials for their operation and in the name of sustainability these materials should be long lasting and environmentally benign.
Biological systems are ideally suited for dealing with some of these very immediate and significant issues. They have developed biomineralization pathways that yield materials with many desired physical properties such as strength, regularity, and
environmentally friendly processing. The types of materials that organisms naturally synthesize are typically limited to being composed of the elements that these organisms are regularly exposed. There are many properties of living systems that could potentially be harnessed by researchers to make advanced technologies. One approach to designing future technologies which have some of the properties that living organisms use so well, is to evolve organisms to work with a more diverse set of building blocks. These materials could be designed to address many scientific and technological problems in electronics, military, medicine, and energy applications. Examples include a virus enabled lithium ion rechargeable battery we recently built that has many improved properties over conventional batteries, as well as materials for solar and display technologies. This presentation will address the development of high energy/high power lithium ion batteries using M13 bacteriophage as a template
to synthesize electrochemically active cathode materials.
M13 bacteriophage is a filamentous virus that is composed of 2700 copies of a major coat protein (pVIII) that is both genetically and chemically pliable. Using techniques such as phage display and chemical modification, a resilient template can be prepared that can then be used for material synthesis under a broad range of conditions.
Monday, August 23, 2010 09:10 AM
Nanotech for Sustainable Energy and Fuels (08:30 AM - 12:10 PM)
Location: Renaissance Boston Waterfront Hotel
Room: Pacific Ballroom D
Monday, August 23, 2010 08:00 PM
Sci-Mix (08:00 PM - 10:00 PM)
Location: Boston Convention & Exhibition Center
Room: Hall C