A High‐Capacity Cathode for Lithium Batteries Consisting of Porous Microspheres of Highly Amorphized Iron Fluoride Densified from Its Open Parent Phase. Issue 1 (16th August 2012)

• Record Type: Journal Article
• Authors: Li, Chilin; Mu, Xiaoke; van Aken, Peter A.; Maier, Joachim
• Is Part Of: Advanced energy materials. Volume 3:Issue 1(2013:Jan.)
• Page Start: 113
• Page End: 119
• Publication Date: 2012-08-16
• Subjects: Energy harvesting -- Materials -- Periodicals; Energy conversion -- Materials -- Periodicals; Energy storage -- Materials -- Periodicals; Photovoltaics -- Periodicals; Fuel cells -- Periodicals; Thermoelectric materials -- Periodicals; 621.31
• DOI: 10.1002/aenm.201200209
• Languages: English
• ISSNs: 1614-6832

Abstract

<abstract abstract-type="main" xml:lang="en"> <title>Abstract</title> <p>An FeF₃ cathode with very high reversible capacity, exceeding 200 mAh g⁻¹, is achieved by amorphizing of FeF₃. The amorphization is achieved by densifying the open structure phase along with the removal of channel H₂O at 0 °C in BmimBF₄. This process is accompanied by a voltage increase of 200 mV. The generation of a hierarchical electron/ion wiring network, enabled by the interaction of ionic liquid with carbon nanotube and FeF₃ surfaces, significantly improves the reversibility.</p> </abstract>