Di Lecce, D;
Levchenko, S;
Iacoviello, F;
Brett, DJL;
Shearing, PR;
Hassoun, J;
(2019)
X-ray Nano-computed Tomography of Electrochemical Conversion in Lithium-ion Battery.
ChemSusChem
, 12
(15)
pp. 3550-3561.
10.1002/cssc.201901123.
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Abstract
Herein, a nanometric CuO anode for lithium‐ion batteries was investigated by combining electrochemical measurements and ex situ X‐ray computed tomography (CT) at the nanoscale. The electrode reacted by conversion at about 1.2 and 2.4 V versus Li+/Li during discharge and charge, respectively, to deliver a capacity ranging from 500 mAh g−1 to over 600 mAh g−1. Three‐dimensional nano‐CT imaging revealed substantial reorganization of the CuO particles and precipitation of a Li+‐conducting film suitable for a possible application in the battery. A lithium‐ion cell, exploiting the high capacity of the conversion process, was assembled by using a high‐performance LiNi0.33Co0.33Mn0.33O2 cathode reacting at 3.9 V versus Li+/Li. The cell was proposed as an energy‐storage system with an average working voltage of about 2.5 V, specific capacity of 170 mAh gcathode−1, and efficiency exceeding 99 % with a very stable cycling.
| Type: | Article |
|---|---|
| Title: | X-ray Nano-computed Tomography of Electrochemical Conversion in Lithium-ion Battery |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1002/cssc.201901123 |
| Publisher version: | https://doi.org/10.1002/cssc.201901123 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | X-ray computed tomography; Nanoparticle; Copper Oxide; LiNi0.33Co0.33Mn0.33O2; Electrochemistry |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Chemical Engineering |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10080736 |
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