by F.A Hamad  , E. Emenike  , Abbas Mohammed  , S. Gooneratne  and P. Russell

Received: 01 December 2020;  Published: 31 January 2021;  doi: 10.21926/jept.2101009

In this paper, the primary aim is to look at the fundamental melting/solidification processes of polyethylene glycol 1500 (PEG 1500) for energy storage – insulation to prolong the cooling time of pipelines in unexpected shut-down conditions, prevent/minimize the wax deposition, and hydrate formation. Polyethylene glycol 1500 was selected because its melting temperature is >317 K making it a suitable candidate as lagging material to prevent wax deposition and hydrate formation in subsea oil pipelines. Experimental a [...]

by Han Zhang  and Joseph D. Smith

Received: 09 November 2020;  Published: 30 January 2021;  doi: 10.21926/jept.2101008

Solar thermochemical reactor provides an attractive approach that utilizes the most common solar radiation as the thermal driving force to motivate the reaction between CO2 and metal oxides, which is also called metal oxide redox pair-based thermochemical cycles. The CeO2/CeO2-δis widely used in the two-step redox process due to its advantages including fast-redox kinetics, high crystallographic stability of a wide range of reacting oxygen non-stoichiometry, and relatively high oxygen solid-state conductivity. In t [...]

by Oscar Daoura  , Maya Boutros  and Franck Launay

Received: 01 September 2020;  Published: 26 January 2021;  doi: 10.21926/jept.2101007

CO2 reforming of CH4, also referred to as the Dry Reforming of Methane (DRM), is considered an excellent method to produce H2 and CO (syngas), which are known to be used for the production of higher alkanes and oxygenates. Despite nickel’s moderate toxicity, Ni-based heterogeneous catalysts are considered excellent candidates for use in DRM due to their reasonable performances and economic advantages. However, these materials also present severe drawbacks, such as sintering of the active phase and coke (carbon) dep [...]

by Chaonan Zhang  , Robert Fuller  and Iyad Hijazi

Received: 10 November 2020;  Published: 25 January 2021;  doi: 10.21926/jept.2101006

The Pd-H system has attracted extensive attention. Pd can absorb considerable amount of H at room temperature, this ability is reversible, so it is suitable for multiple energy applications. Pd-Ag alloys possess higher H permeability, solubility and narrower miscibility gap with better mechanical properties than pure Pd, but sulfur poisoning remains an issue. Pd-Cu alloys have excellent resistance to sulfur and carbon monoxide poisoning and hydrogen embrittlement, good mechanical properties, and broader temperature [...]

by Lucy Wyatt

Received: 24 November 2020;  Published: 22 January 2021;  doi: 10.21926/jept.2101005

This paper presents the case for the use of HF radar to provide wave, current and wind measurements and maps during the surveying, resource and impact assessment, construction, maintenance and performance assessment phases of an offshore fixed or floating wind farm or other marine renewable project. The data presented are from the Celtic Sea which is currently the focus of a lot of offshore wind interest. The data are from a dual radar system deployed at the Wave Hub site off the Cornwall coast since 2011, a single [...]

by Khaliq Ahmed  , Periasamy Vijay  , Moses Tadé  , Amirpiran Amiri  , Zongping Shao  and Karl Föger

Received: 31 July 2020;  Published: 18 January 2021;  doi: 10.21926/jept.2101004

This report is an account of research and development activities undertaken by the Centre for Process Systems Computations, Department of Chemical Engineering at Curtin University, Western Australia in the area of solid oxide fuel cells. The focus of work of the group included 1)effect of cell macrostructure and microstructure on electrochemical performance with a view to optimise both macro- and micro-structure 2) electrochemistry modeling for simulating electrochemical performance 3) internal reforming aspects im [...]

by Steven Hespeler  and Donovan Fuqua

Received: 31 July 2020;  Published: 12 January 2021;  doi: 10.21926/jept.2101003

This investigation presents a data-driven Long-short Term Memory battery model for predicting State of Charge for lithium-ion batteries LiFePO4 for next-generation vehicle operations. Our modified algorithm builds and updates a model using multivariate inputs that include physical properties, voltage, current, and ambient temperature during operations. The primary research goal is to improve prediction performance on future values from multiple training examples using an online learning scheme. Initial results demo [...]

by Journal of Energy and Power Technology Editorial Office

Received: 07 January 2021;  Published: 07 January 2021;  doi: 10.21926/jept.2101002

The editors of Journal of Energy and Power Technology would like to express their sincere gratitude to the following reviewers for assessing manuscripts in 2020. We greatly appreciate the contribution of expert reviewers, which is crucial to the journal's editorial process. We aim to recognize reviewer contributions through several mechanisms, of which the annual publication of reviewer names is one. Reviewers receive a voucher entitling them to a discount on their next LIDSEN publication and can download a certifi [...]

by Deewakar Poudel  , Benjamin Belfore  , Shankar Karki  , Grace Rajan  , Sina Soltanmohammad  , Angus Rockett  and Sylvain Marsillac

Received: 28 October 2020;  Published: 06 January 2021;  doi: 10.21926/jept.2101001

The effect of water ingress on the surface of the buffer layer of a Cu(In, Ga)Se2 (CIGS) solar cell was studied. Such degradation can occur either during the fabrication process, if it involves a chemical bath as is often the case for CdS, or while the modules are in the field and encapsulants degrade. To simulate the impact of this moisture ingress, devices with a structure sodalime glass/Mo/CIGS/CdS were immersed in deionized water. The thin films were then analyzed both pre and post water soaking. Dynamic second [...]

by Wisut Chamsa-ard  , Derek Fawcett  , Chun Che Fung  and Gerrard Poinern

Received: 28 September 2020;  Published: 29 December 2020;  doi: 10.21926/jept.2004018

The demand for high-quality freshwater is increasing due to global population growth, intensifying agricultural practices and expanding industrial development. Additionally, many global regions have low levels of rainfall which makes them arid and incapable of supporting large human populations or agriculture. Currently, large quantities of fossil fuels are used to generate the power needed to drive energy intensive desalination processes that deliver high-quality freshwater to many of these regions. However, the u [...]