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X-ray Nano-computed Tomography of Electrochemical Conversion in Lithium-ion Battery

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  • معلومة اضافية
    • Contributors:
      Di Lecce, D.; Levchenko, S.; Iacoviello, F.; Brett, D. J. L.; Shearing, P. R.; Hassoun, J.
    • الموضوع:
      2019
    • Collection:
      Università degli Studi di Ferrara: CINECA IRIS
    • نبذة مختصرة :
      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.
    • File Description:
      STAMPA
    • Relation:
      info:eu-repo/semantics/altIdentifier/pmid/31169357; info:eu-repo/semantics/altIdentifier/wos/WOS:000476008100001; volume:12; issue:15; firstpage:3550; lastpage:3561; numberofpages:12; journal:CHEMSUSCHEM; http://hdl.handle.net/11392/2407887; info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85069910094
    • الرقم المعرف:
      10.1002/cssc.201901123
    • Rights:
      info:eu-repo/semantics/openAccess
    • الرقم المعرف:
      edsbas.E3E52193