Author:Langmi, Henrietta W; Bessarabov, DDate:Mar 2013This presentation discusses the R&D activities at HySA Infrastructure (CSIR and NWU). The mission of HySA Infrastructure is to deliver technologies for hydrogen production (linked to renewable energy), storage and distribution. The scope ...Read more
Author:Segakweng, T; Musyoka, Nicholas M; Ren, Jianwei; Crouse, P; Langmi, Henrietta WDate:Nov 2015Nanoporous carbons which possess high surface areas and narrow pore size distributions have become one of the most important classes of porous materials with potential to be utilized for hydrogen storage. In recent times, several metal–organic ...Read more
Author:Bambalaza, Sonwabo E; Langmi, HW; Mokaya, R; Musyoka, Nicholas M; Khotseng, LEDate:May 2020High-pressure (700 MPa or ∼100 000 psi) compaction of dehydroxylated and hydroxylated UiO-66 for H2 storage applications is reported. The dehydroxylation reaction was found to occur between 150 and 300 °C. The H2 uptake capacity of powdered ...Read more
Author:Rampai, MM; Mtshali, CB; Seroka, Ntalane S; Khotseng, LDate:Feb 2024One such technology is hydrogen-based which utilizes hydrogen to generate energy without emission of greenhouse gases. The advantage of such technology is the fact that the only by-product is water. Efficient storage is crucial for the practical ...Read more
Author:Langmi, Henrietta W; North, Brian C; Bessarabov, D; Lototskyy, M; Williams, M; Pollet, BGDate:Nov 2012One of HySA’s missions is to deliver technologies for hydrogen storage infrastructure that meet the set cost targets and provide the best balance of safety, reliability, robustness, quality and functionality. HySA aims to develop storage and ...Read more
Author:Langmi, Henrietta W; Bessarabov, DDate:Jul 2013Safe, efficient hydrogen storage and distribution is widely regarded as one of the major challenges facing the transition to the Hydrogen Economy. Conventionally, hydrogen is stored as compressed gas or cryogenically as a liquid. In order to ...Read more
Author:Langmi, Henrietta W; Ren, Jianwei; North, Brian C; Mathe, Mahlanyane K; Bessarabov, DDate:May 2014Metal-organic frameworks (MOFs) for hydrogen storage have continued to receive intense interest over the past decade. MOFs are a class of organic-inorganic hybrid crystalline materials consisting of metallic moieties that are linked by strong ...Read more
Author:Langmi, Henrietta WDate:Aug 2018The lack of safe, reliable and efficient hydrogen storage systems remains one of the key obstacles to the hydrogen economy. Amide-hydride systems are a promising class of hydrogen storage materials particularly for vehicular applications. ...Read more
Author:Langmi, Henrietta W; Ren, Jianwei; Musyoka, Nicholas MDate:Aug 2015Over the past decade, hydrogen storage in metal-organic frameworks (MOFs) has received increasing attention worldwide because they possess versatile structures, high surface areas, large free volumes, ultrahigh porosities, and tunable pore ...Read more
Author:Tokarev, A; Avdeenkov, AV; Langmi, Henrietta W; Bessarabov, DGDate:Mar 2015Boron-substituted graphene decorated with potassium metal atoms was considered as a novel material for hydrogen storage. Density functional theory calculations were used to model key properties of the material, such as geometry, hydrogen ...Read more
Author:Ren, Jianwei; Langmi, Henrietta W; North, Brian C; Mathe, Mahlanyane K; Bessarabov, DDate:Jan 2014A modulated synthesis of Zr-metal organic framework (Zr-MOF) with improved ease of handling and decreased reaction time is reported to yield highly crystalline Zr-MOF with well-defined octahedral shaped crystals for practical hydrogen storage ...Read more