The Importance of Nanotechnology in Developing Better Energy Storage Materials for Automotive Transport

Title
The Importance of Nanotechnology in Developing Better Energy Storage Materials for Automotive Transport
Authors
Nazar, L. F.오시형
Keywords
battery; nano; automotive; transport
Issue Date
2008-04
Publisher
SAE Technical Paper
Citation
VOL 2008-01-0689, 1-9
Abstract
Traditional electrode materials for lithium-ion storage cells are typically crystalline layered structures such as metal oxides, and graphitic carbons. These materials power billions of portable electronic devices in today’s society. The needs of high-capacity storage devices capable of powering hybrid electric vehicles (HEV”s) or their plug-in versions (PHEV’s) are more demanding, however, with respect to safety, cost, and power requirements. Recently, nanostructured solid state materials, which are comprised of two more compositional or structural phases, are considered very promising in filling this role. These are exploited in negative electrode design, where the intimate mix of components at the nanoscale enhances reversibility, and capacity. It is particularly critical for new cathode materials that function on the basis of intergrowth structures; and poorly conductive materials where limitations to electron or ion transport must be overcome by judicious design of nanostructured composites. Moreover, by definition, the interphase between the electrode and electrolyte forms a complex nanostructure that must be tailored to optimize transport properties. The research trends and future prospects in these areas are reviewed and discussed.
URI
http://pubs.kist.re.kr/handle/201004/42340
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KIST Publication > Article
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