Nano-Engineered Spacing in Graphene Sheets for Hydrogen Storage
Source abstract
Abstract
Thermally exfoliated graphene (TEG) sheets were functionalized and cross-linked by in situ diazonium reactions in super acids. The degree of functionalization was monitored by X-ray photoelectron spectroscopy, Fourier transform infrared spectroscopy, and thermogravimetric analysis. Compared with the original TEG material, the functionalized TEGs show improved hydrogen uptake capacities, which could be attributed to the proppant effect of the grafted functional groups and charge transfer between the sulfonic addends and the graphene sheets. This method provides a possible route to further increase the hydrogen storage capacity of graphene materials by cross-linking and nanospace engineering.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Hydrogen Storage and Materials · MXene and MAX Phase Materials · Advancements in Battery Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Departments of Chemistry and Mechanical Engineering and Materials Science, The Smalley Institute for Nanoscale Science and Technology, Rice University, MS-222, 6100 Main Street, Houston, Texas 77005, United States
National Renewable Energy Laboratory, 1617 Cole Boulevard, Golden, Colorado 80401, United States
References (30)
Show source-provided references
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