Nickel and nitrogen co-doped tin dioxide nano-composite as a potential anode material for lithium-ion batteries

Improved Li storage performance in SnO2 nanocrystals by a synergetic doping

“…All of the samples are employed as anodes for cycling tests. It is found that the Co and N co-doped material exhibits remarkably improved electrochemical properties as a result of the synergetic contributions from the Co and N. Recently, as demonstrated by our group, Cu-N and Ni-N co-doped SnO 2 also shown enhanced electrode performances 22 23 . However, the improvement mechanism has not been intensively explored yet.…”

Al-doped SnO2 hollow sphere as a novel anode material for lithium ion battery

“…Further concerning the reversibility of this conversion reaction, it is still under dispute and needs more precise clarifications in the future. The presence of peak potential at about 0.19 V is associated with the alloying reaction in the form of Sn 0 + xLi + + xe − ⇄ Li x Sn, 0 ≤ x ≤ 4.4, which is proved to be highly reversible during electrochemical discharge-charge process [14][15][16]. Meanwhile, in the anodic polarization process, two peaks are recorded at about 0.56 and 1.23 V. The peak at 0.56 V represents the de-alloying process of Li + ions [41], while the following weak peak at 1.23 V could be ascribed to the reaction between Sn and Li 2 O [42,43].…”

“…Lialloying with metals or semiconductors in various systems [1][2][3][4][5] as well as conversion reactions in interstitial-free 3d metal oxide structures [6][7][8][9][10][11][12] are feasible approaches to achieve large reversible capacities in anode electrodes. Amongst them, tin dioxide (SnO 2 ) is one of the most intensively studied anode material for its high theoretical capacity (1494 mAh g −1 ), safe working potential and environmental benignity [13][14][15][16]. It is well established that two-step reactions are involved in the SnO 2 -based electrodes:…”

“…The first process is usually regarded to be irreversible for bulk Li 2 O, however, it has been proved to be partly reversible when the conductivity has been somehow enhanced [15][16][17]. The second process is widely established to be reversible and mental Sn can be repeatedly alloyed and de-alloyed [18,19].…”

Synthesis and Characterization of Pure and Rare-Earth Metal Gd Doped SnO2-CuO Nanoparticles by Co-Precipitation Method

“…Copper oxide nanomaterials are widely used in various applications such as magnetic storage media, solar cell technology, gas sensing, field emission, [3][4][5] etc. Tin oxide (SnO2) is n-type semiconductor with their band gap value in the range of 3.3 eV -3.6 electron volt and it has a broad range of applications in gas sensors, catalysts, optoelectronic devices, transparent conducting electrodes [6][7][8], dye-sensitized solar cells [9][10][11][12], negative electrodes for lithium batteries [13][14][15], panel displays, etc. It is basically notice that by increasing the surface to volume ratio by decreasing the grain size of tin oxide is crucial for achieving giant sensitivity in applicable of gas sensors [16].…”