Ultrafine tin oxide on reduced graphene oxide as high-performance anode for sodium-ion batteries

Carbon Encapsulated Tin Oxide Nanocomposites: An Efficient Anode for High Performance Sodium-Ion Batteries

“…The capacity obtained for the S−ET electrode at a current rate of 1 C (304 mA h g -1 ) is higher than the earlier reported values of SnO 2 based composites. [21][22]40 More importantly, when the testing current returned to a lower current rate of 0.1 C, the discharge/charge capacities recovered to the same levels that…”

“…16 Nevertheless, the tin oxide can achieve high specific capacities by acting as a conversion type as well as alloying material to store Na. [21][22][23][24][25][26] Therefore, it could be a potential anode material for Na-ion storage.…”

Amphiphilic Polyoxometalates for the Controlled Synthesis of Hybrid Polystyrene Particles with Surface Reactivity

“…For the bare SnO 2 electrode, an increase of the capacity was observed in the first 25 cycles because of the activation process 11c. However, the capacity of the bare SnO 2 electrode decreased to 38 mA h g −1 after 100 cycles, which could be ascribed to the large volume variation during repeated charge–discharge processes.…”

“…We also compared the rate performance of the SGA‐2 electrode (38.5 % SnO 2 ) in this work with other SnO 2 /graphene electrodes reported recently. These include SnO 2 /graphene (60 % SnO 2 ),11b SnO 2 /graphene (74 % SnO 2 ),11d and SnO 2 /graphene (75.5 % SnO 2 ),11c and the results are shown in Figure 5 b. The as‐prepared SGA‐2 with the lowest SnO 2 loading ratio exhibits the highest capacity and rate performance among all the SnO 2 ‐based composites reported previously, which is desirable for high‐power applications.…”

“…reported that SnO 2 /graphene composites exhibited a capacity of 143 mA h g −1 at a current density of 640 mA g −1 11b. Zhang and co‐workers reported a capacity of 193 mA h g −1 at a current density of 600 mA g −1 based on the total mass of the graphene composites 11c. To achieve a higher power density to support the large‐scale application of SIBs, the rate performance of current graphene‐based anode materials needs to be further improved.…”