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Research articles

ScienceAsia 48 (2022):ID 577-587 |doi: 10.2306/scienceasia1513-1874.2022.076

Li-ion batteries of Ni-rich lithium nickel cobalt aluminium oxide coupled with high-energy lithiophilic anode

Poramane Chiochan?, Phansiri Suktha?, Nutthaphon Phattharasupakun, Salatan Duangdangchote, Montakan Suksomboon, Worapol Tejangkura, Montree Sawangphruk*

ABSTRACT:     Herein, highly dispersed 10-nm lithiophilic silver nanoparticles (AgNPs) were synthesized and decorated on 3D graphene aerogel supporting materials. The prelithiated AgNPs/3D graphene aerogel exhibits a high specific capacity of 1589 mAh/g at 0.1 A/g with a high initial coulombic efficiency (ICE) of ca. 93% and a long cycling stability over 500 cycles. A Li-ion battery cell using the prelithiated AgNPs/3D graphene aerogel with a finely tuned Ag content of 0.52 at. % as the anode and the Ni-rich LiNi0.88Co0.09Al0.03O2 as the cathode exhibits a high energy density of ?290 Wh/kg at 0.1 C. This new anode material may be a useful high-energy anode for next-generation Li-ion batteries.

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a Centre of Excellence for Energy Storage Technology (CEST), Department of Chemical and Biomolecular Engineering, School of Energy Science and Engineering, Vidyasirimedhi Institute of Science and Technology, Rayong 21210 Thailand

* Corresponding author, E-mail: montree.s@vistec.ac.th

Received 2 Jun 2021, Accepted 3 Mar 2022