Dense CoO/graphene stacks via self-assembly for improved reversibility as high performance anode in lithium ion batteries

Ultrafine CoO Embedded Reduced Graphene Oxide Nanocomposites: A High Rate Anode for Li–Ion Battery

“…The thermograms shown in Figure indicate a slight decrease in weight at 100–250 °C, presumably due to the loss of water and some thermally labile functional groups. It is noteworthy that the weight percentage of nanocomposites increases in the temperature range of 250–350 °C, which indicates the occurrence of oxidation reaction of CoO to Co 3 O 4 . An obvious weight loss at 300–420 °C is attributed to the oxidation of rGO to CO 2(g) .…”

Tin dioxide dodecahedral nanocrystals anchored on graphene sheets with enhanced electrochemical performance for lithium-ion batteries

“…Benefiting from these unique characteristics, graphene has been chosen as an ideal conductive material to make composites with metal oxides for highperformance electrode materials. Recently, great successes have been achieved for synthesis of metal oxides and graphene sheets (GS) composites, which exhibited high reversible capacity, long cycle life and good rate performance for high-performance LIBs [27][28][29][30][31][32][33][34][35][36][37]. For example, Dai and coworkers reported the hybrid materials of Mn 3 O 4 nanoparticals and GS for LIBs, which showed a high specific capacity of 900 mAh g À1 , near their theoretical capacity, as well as good rate capability and cycling stability [27].…”

Enhanced Li-storage performances of dually-protected CoGeO3 nanocomposites as anode materials for lithium ion batteries

“…During the 1 st anodic scan, two obvious peaks at 0.45 V and 1.40 V were observed, which could be assigned to the delithiation of Li-Ge alloys at 0.45 V (Eq. 3), followed by the reoxidation of Ge (Co) to form GeO 2 (CoO) [11,48] (Eqs. 4, 5) and formation of Li 2-x CoGeO 4 (at 1.4 V) [47] (Eq.…”