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Browsing Conference Publications by Author "Langmi, Henrietta W"

Now showing items 1-15 of 15

Advanced hydrogen technologies for FC applications and PGM beneficiation in SA: Presentation

Author: Langmi, Henrietta W ; Bessarabov, D Date: Mar 2013 This 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
Challenges in hydrogen RCS' stakeholder engagement in South Africa

Author: North, Brian C ; Langmi, Henrietta W ; Swartbooi, Ashton M Date: Sep 2019 There is a great deal of knowledge and experience on the safe handling of hydrogen, and the safe operation and management of hydrogen systems in South Africa. This knowledge and experience mostly sits within large gas supply companies and ... Read more
Development of functional metal-organic frameworks (MOFs) for storing hydrogen in para form

Author: Ren, Jianwei ; Dyosiba, Xoliswa L ; Musyoka, Nicholas M ; Langmi, Henrietta W ; Mathe, Mahlanyane K Date: Dec 2016 In this work, enrichment of para-hydrogen is performed by flowing ultra-purity hydrogen gas at low temperature (77K) in the presence of a developed catalyst anchored in a MOF hybrid material. This approach fits within the bigger scope of the ... Read more
Development of hydrogen storage technologies

Author: Langmi, Henrietta W Date: Oct 2015 The use of hydrogen to deliver energy for cars, portable devices and buildings is seen as one of the key steps to reduce greenhouse gas emissions. South Africa’s national hydrogen strategy, HySA, aims to develop and guide innovation along the ... Read more
Hydrogen Storage Activities at HySA from (Nano)materials to Systems

Author: Langmi, Henrietta W ; North, Brian C ; Bessarabov, D ; Lototskyy, M ; Williams, M ; Pollet, BG Date: Nov 2012 One 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
Hydrogen storage for fuel cell applications: Challenges, opportunities and prospects for metal-organic frameworks

Author: Langmi, Henrietta W ; Bessarabov, D Date: Jul 2013 Safe, 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
HySA infrastructure center of competence: A strategic collaboration platform for renewable hydrogen production and storage for fuel cell telecom applications

Author: Bessarabov, D ; Human, G ; Chiuta, S ; Van Niekerk, F ; De Beer, D ; Malan, H ; Grobler, LJ ; Langmi, Henrietta W ; North, Brian C ; Mudaly, D ; Mathe, Mahlanyane K Date: Sep 2014 The Department of Science and Technology of South Africa developed the National Hydrogen and Fuel Cells Technologies (HFCT) Research, Development and Innovation Strategy. The National Strategy was branded Hydrogen South Africa (HySA). HySA ... Read more
Mechanochemical approach in the synthesis of activated carbons from waste tyres and its hydrogen storage applications

Author: Rambau, Khavharendwe MA ; Musyoka, Nicholas M ; Manyala, N ; Ren, Jianwei ; Langmi, Henrietta W Date: 2018 The increase in waste tyres has led scientist in the quest for finding various ways for minimizing problems associated with their disposal. The sought solutions are not only meant to be environmentally friendly but also be able to boost the ... Read more
An overview of hydrogen storage materials: Making a case for metal organic frameworks

Author: Langmi, Henrietta W ; Ren, Jianwei ; Rogers, D ; North, Brian C ; Mathe, Mahlanyane K ; Bessarabov, D Date: Apr 2013 One of the major challenges facing the transition to a Hydrogen Economy is the development of a suitable storage medium for hydrogen. Conventionally, hydrogen is stored as compressed gas or cryogenically as a liquid. In order to meet future ... Read more
Progress in materials-based hydrogen storage at Hysa infrastructure in South Africa

Author: Langmi, Henrietta W ; Ren, Jianwei ; Musyoka, Nicholas M ; North, Brian C ; Mathe, Mahlanyane K ; Bessarabov, D Date: Oct 2015 The South African Department of Science and Technology (DST) developed the National Hydrogen and Fuel Cells Technologies (HFCT) Research, Development and Innovation (RDI) Strategy, which was branded Hydrogen South Africa (HySA). HySA was ... Read more
Synthesis of a hierarchically structured zeolite-templated carbon starting from fly ash-derived zeolite X

Author: Musyoka, Nicholas M ; Langmi, Henrietta W ; North, Brian C ; Mathe, Mahlanyane K ; Bessarabov, D Date: May 2014 A hierarchically structured zeolite derived from coal fly ash was used as a hard templating agent for the synthesis of a templated carbonaceous material. The samples were characterized using XRD, SEM, TEM, TGA, EDS and BET. The resulting ... Read more
Synthesis of Cr-MOF derived porous carbon for hydrogen storage applications

Author: Musyoka, Nicholas M ; Ren, Jianwei ; Langmi, Henrietta W ; North, Brian C ; Mathe, Mahlanyane K ; Bessarabov, D Date: Jul 2014 Over the recent years, applications of porous metal-organic frameworks (MOFs) in hydrogen storage have received increasing attention in the scientific community. Conversion of organic moiety in MOFs to porous carbon, as well as the use of ... Read more
Synthesis of templated carbon from nanoclay and its zeolitic derivatives for hydrogen storage applications

Author: Musyoka, Nicholas M ; Langmi, Henrietta W ; Ren, Jianwei ; North, Brian C ; Mathe, Mahlanyane K ; Bessarabov, D Date: Jun 2014 Of the many available options for hydrogen storage, carbonaceous materials are gaining increasing attention. In particular, templated carbons have attracted research interest because of the ability to control their pore structure properties ... Read more
Synthesis of zeolite-templated carbons for hydrogen storage applications

Author: Musyoka, Nicholas M ; Swartbooi, Ashton M ; Langmi, Henrietta W ; North, Brian C Date: Oct 2013 Hydrogen storage has been a key bottle-neck in the actualization of hydrogen as an energy carrier. The new field of hydrogen storage in templated carbonaceous materials has excited many researchers and considerable effort is being directed ... Read more
Zirconium-Based metal organic framework (Zr-MOF) material with high hydrostability for hydrogen storage applications

Author: Ren, Jianwei ; Segakweng, T ; Langmi, Henrietta W ; North, Brian C ; Mathe, Mahlanyane K ; Bessarabov, D Date: Sep 2013 Material-based solutions, such as metal organic frameworks (MOFs), continue to attract increasing attention as viable options for hydrogen storage applications. MOFs are widely regarded as promising materials for hydrogen storage due to their ... Read more

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