Abstract

Viral Battery In developing materials for batteries, there is a trade-off between charge capacity, conductivity, and chemical stability. Nanostructured materials improve the conductivity for some resistive materials, but fabricating stable materials at nanometer-length scales is difficult. Harnessing their knowledge of viruses as toolkits for materials fabrication, Lee et al. (p. 1051; published online 2 April) modified two genes in the filamentous bacteriophage M13 to produce a virus with an affinity for nucleating amorphous iron phosphate along its length and for attaching carbon nanotubes at one of the ends. In nanostructured form, the amorphous iron phosphate produced a useful cathode material, while the carbon nanotubes formed a percolating network that significantly enhanced conductivity.

Keywords

Materials scienceNanotechnologyLithium (medication)Carbon nanotubeConductivityBattery (electricity)Amorphous solidFabricationCarbon fibersResistive touchscreenLithium iron phosphateChemistryComposite materialPower (physics)Composite numberBiology

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Publication Info

Year
2009
Type
article
Volume
324
Issue
5930
Pages
1051-1055
Citations
752
Access
Closed

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Cite This

Yun Jung Lee, Hyunjung Yi, Woo‐Jae Kim et al. (2009). Fabricating Genetically Engineered High-Power Lithium-Ion Batteries Using Multiple Virus Genes. Science , 324 (5930) , 1051-1055. https://doi.org/10.1126/science.1171541

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DOI
10.1126/science.1171541