Niobium/tantalum-based materials: Synthesis and applications in electrochemical energy storage

Niobium pentoxide based materials for high rate rechargeable electrochemical energy storage

“…Based on increasing research efforts and intensive progress in this field, a few recent reviews have covered different aspects of niobium oxides for electrochemical energy storage. 36,[42][43][44][45] For example, Yu et al systematically describe the structural features of Nb 2 O 5 , niobium based alloy compounds and their applications in Li/Na-ion intercalation type batteries. 36 Recently, Ma et al provided a comprehensive review focused on Li/Na-ion hybrid capacitors.…”

Tantalum(v) 1,3-propanediolate β-diketonate solution as a precursor to sol–gel derived, metal oxide thin films

“…2 Modern medical research has additionally elucidated that implants having a porous tantalum coating upregulate osteogenic genes, resulting in greater osteointegration when compared to titanium implants without the coating. 3 Aside from applications in orthopedic implants, 4 tantalum and its sister niobium form oxides which have a variety of uses, including capacitors, 5 batteries, 6,7 electrochromic windows, 8 pH and conductivity sensors, [9][10][11][12][13] surface plasmon resonance sensors, [14][15][16] ferroelectric memory devices, [17][18][19][20] corrosion resistant coatings, 21 and even gravity wave detectors. 22 During manufacturing of such devices, production inefficiencies and waste material lead to the addition of a recycling step, 23 thereby complicating the fabrication of products containing tantalum.…”

Porous niobia spheres with large surface area: alcothermal synthesis and controlling of their composition and phase transition behaviour

“…Ti-Nb binary oxides have attracted signicant attention since their discovery as they exhibit reduced electrical resistance, 30 high photocatalytic activity under visible light irradiation, 31 and controlled Brønsted/Lewis acidity. 32 In particular, using Ti-Nb binary oxides in lithium and sodium ion batteries 19,33,34 has attracted great attention because of its improved electronic conductivity, 35 ion diffusion path expansion, 35 and high theoretical capacity. 36 As mentioned in the introduction, composite MARIMOs consisting of plural metal oxides have been successfully synthesized.…”

“…36 Thus, TiNb 2 O 7 has attracted signicant attention is promising for application in electric vehicles. 19,33,34 However, TiNb 2 O 7 suffers from low ionic and electric conductivity. Tailoring special nanostructures of TiNb 2 O 7 can be used to harness the advantages of nanomaterials, including high electrode/electrolyte contact area and short ion diffusion distances.…”