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Nanoarchitectured 3D Cathodes for Li‐Ion Microbatteries

descriptionPublicationkeyboard_double_arrow_right Article , Journal 13 Sep 2010 China (People's Republic of), China (People's Republic of), China (People's Republic of), France Publisher:WileyJournal:Advanced Materials, volume 22, pages 4,978-4,981 (issn: 0935-9648, eissn: 1521-4095,

Authors: Shaijumon, Manikoth M.; Perre, Emilie; Daffos, Barbara; Taberna, Pierre-Louis; Tarascon, Jean‐marie; Simon, Patrice;

doi: 10.1002/adma.201001922

pmid: 20839250

Nanoarchitectured 3D Cathodes for Li‐Ion Microbatteries

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Abstract

Microbatteries with large area capacity and no power limitation can be obtained by designing 3D structured batteries. 3D electrodes composed of 30 nm-thick films of LiCoO2 coating free-standing columns of Al current collector were achieved. By comparison with a planar electrode presenting an equivalent nominal capacity, a 3D electrode exhibits improved capacity retention: 68% of the nominal capacity at 8C instead of 11%.

Countries

China (People's Republic of), China (People's Republic of), China (People's Republic of), France

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Keywords

GENI] Chemical Sciences/Chemical engineering [[CHIM], Energie électrique, Nanostructured cathodes, Energy storage, GENI] Chimie/Génie chimique [[CHIM], [SPI.NANO] Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, Lithium, Batteries, [CHIM.GENI]Chemical Sciences/Chemical engineering, Electric Power Supplies, Electrodeposition, Génie chimique, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, Electrodes, Miniaturization, [CHIM.GENI] Chemical Sciences/Chemical engineering, [SPI.NRJ]Engineering Sciences [physics]/Electric power, Microbatteries, NRJ] Sciences de l'ingénieur/Energie électrique [[SPI], 540, Electrode position, 620, Nanostructures, NANO] Engineering Sciences/Micro and nanotechnologies/Microelectronics [[SPI], Micro et nanotechnologies/Microélectronique, NANO] Sciences de l'ingénieur/Micro et nanotechnologies/Microélectronique [[SPI], NRJ] Engineering Sciences/Electric power [[SPI], [SPI.NRJ] Engineering Sciences [physics]/Electric power

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