Borophene and Boron Fullerene Materials in Hydrogen Storage: Opportunities and Challenges

Abstract

Two‐dimensional materials have led to a leap forward in materials science research, especially in the fields of energy conversion and storage. Borophene and its spherical counterpart boron fullerene represent emerging materials that have attracted much attention in the whole area of advanced energy materials and technologies. Owing to their prominent features, such as electronic environment and geometry, borophene and boron fullerene have been used in versatile applications, such as supercapacitors, superconductors, anode materials for photochemical water splitting, and biosensors. Herein, one of the most promising applications/areas of hydrogen storage is discussed. Boron fullerenes have been considered and discussed for hydrogen‐storage applications, and recently borophene was also included in the list of materials with promising hydrogen‐storage properties. Studies focus mainly on doped borophene systems over pristine borophene due to enhanced features available upon decoration with metal atoms. This Review introduces very recent progress and novel paradigms with respect to both borophene derivatives and boron fullerene based systems reported for hydrogen storage, with a focus on the synthesis, physiochemical properties, hydrogen‐storage mechanism, and practical applications.

Borophene as an emerging 2D flatland for biomedical applications: current challenges and future prospects

“…39 Furthermore, it is also expected to exhibit a comparatively high thermal conductivity range of transition temperature from 10 to 20 K. 100 These excellent sets of characteristics are not found in other traditional and synthetic 2D nanomaterials. Thus, borophene is one of a kind and has huge potential in the fabrication of next-generation nanodevices for electronics, energy storage, 101 healthcare management, etc. 102…”

Experimental synthesis, functionalized modifications and potential applications of monoelemental zero-dimensional boron nanomaterials

“…nanosheets. [1][2][3][4][5][6][7][8][9] As representatives of monoelemental simple substances, only graphene, phosphene and their nanosheets have corresponding lamellar materials in nature, which can be prepared through direct stripping. Graphene has a pure planar 2D structure, but other simple substances have different degrees of planar buckling.…”

“…So far, almost all previous reviews related to boron nanomaterials have only involved the summary of 2D nanoscale borophene and boron nanosheets. [1][2][3][4][5][6][10][11][12][13][14][15][100][101][102][103][104][105][106][107][108][109][110]190 Typically, Li et al summarized the structure, growth, electronic and thermal transport properties of 2D boron sheets. 101 Hou et al commented on the current status, challenges and opportunities of borophene.…”

Reversible Hydrogen Storage in Metal-Decorated Honeycomb Borophene Oxide

“… 8 − 11 Among physisorption-based H 2 storage materials, two-dimensional (2D) structures exhibit great potential in reaching high H 2 capacities due to their large surface to volume ratios. 12 − 14 To achieve reversible H 2 storage, the binding of H 2 on the 2D substrate generally needs to be enhanced. Several adjustments have been proposed to enhance the binding of H 2 with 2D substrates.…”