Solar electricity storage through green hydrogen production: A case study

Fopah-Lele, Armand; Kabore-Kere, Amelie; Tamba, Jean Gaston; Yaya-Nadjo, Isdeen

doi:10.1002/er.6630

Cited by 25 publications

(14 citation statements)

References 30 publications

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“…Currently in sub-Saharan Africa, the production of hydrogen from solar photovoltaic is about 13 €•kg -1 [4]. Recently, there has been a drop in solar and wind power costs [43], and expectations show that this trend will continue.…”

Section: Challengesmentioning

confidence: 99%

“…Energy systems that are based on hydrogen are fundamentally different to energy systems based on hydrocarbons and electricity. Based on the Levelized Cost of Energy (LCOE) methodology, an analysis on the costs involved to produce large-scale hydrogen is done [4]. This allow an analysis on how hydrogen compares on a cost basis to other energy technologies.…”

Section: Introductionmentioning

confidence: 99%

“…This allow an analysis on how hydrogen compares on a cost basis to other energy technologies. Concerning also solar source, results showed that production of hydrogen from solar photovoltaic is about 1.09 €m −3 [4] under the conditions of production of 115 Lday−1. Storing renewable electricity through hydrogen might be cost-effective when disregarding certain constraints.…”

Section: Introductionmentioning

confidence: 99%

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Hydrogen technology in Sub-Saharan Africa: Prospects for Power Plants

Fopah-Lele

2022

E3S Web Conf.

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Hydrogen as an energy vector could be one of the solutions to the crucial energy crisis in sub-Saharan Africa. A technological review is done in this paper as a first attempt to foster research and development on the subject. It shows the hydrogen technology disadvantages and difficulties regarding its usage in Africa, and explores ways to better tackle them. Concepts are also discussed by showing the benefits of hydrogen introduction in sub-Saharan African countries on their economy through the increase of their electrification coverage and the reduction of electricity shortages witnessed in these countries. Ideas of systems hybridization including hydrogen fuel cells are presented, discussed and adapted to the sub-Saharan context. Methods of overcoming possible risks, technologies that could be adopted now and on-going research on the subject are finally performed.

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Section: Challengesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Hydrogen technology in Sub-Saharan Africa: Prospects for Power Plants

Fopah-Lele

2022

E3S Web Conf.

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“…The excess electricity can be used to produce Hydrogen, which is collected and provided to a fuel cell for electricity production; when produced, electricity is lower than the demand [4,10]. Studies have been conducted in various climates to determine the potential for Hydrogen generation and the cost per kilogram [15,16]. The price of Hydrogen generation in the United States is 6.2$/kg, whereas in Benin, it is 1.09€/m 3 , and in Morocco, it is 4.64$/kg.…”

Section: Introductionmentioning

confidence: 99%

Techno-economic assessment of green hydrogen production using different configurations of wind turbines and PV panels

Nasser

Megahed

Hassan

2022

Journal of Energy Systems

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In this work, a hybrid system is comprised of wind turbines (WT) and photovoltaic (PV) panels to generate green Hydrogen via water electrolysis. Consideration is given to the influence of five electrical power generation scenarios on system performance and Hydrogen production cost. This study adopts the solar radiation, wind speed, and ambient temperature for Mersa-Matruh in Egypt. The system performance is studied using MATLAB-Simulink over one year. The winter months have high wind speed and low sun radiation compared to other months, whereas additional months have high solar radiation and lower wind speed than the winter months. The findings show that the amount of Hydrogen produced for all scenarios varies from 12,340 m3 to 13,748 m3 per year. The system efficiency and LCOH are 7.974% and 3.67$/kg, 9.56%, and 3.97$/kg, 10.7% and 4.12 $/kg, 12.08%, and 4.3$/kg, and 16.23% and 4.69$/kg for scenarios1 to 5, respectively. Finally, the introduced system can reduce CO2 emissions by 345 tons over the lifetime and gain about 13,806$.

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“…Currently, several alternatives can be selected to produce hydrogen according to the raw material used in production 1 . From an annual global production of 70 Mt, 2 most hydrogen today is produced from fossil fuels and emits CO 2 (grey hydrogen) 3‐5 while sustainable hydrogen production, generally from renewable energy, without pollutant (green hydrogen), 6,7 is still in the process of growth 8‐10 Figure 1, shows that 76% of the current world's hydrogen production is derived from natural gas, via steam methane reforming (SMR), gaining much prominence in the last decade, as it corresponded to 48% in 2010 11 . Other processes for hydrogen production are from coal gasification (22%), and water electrolysis only contributes with 2% 12,13…”

Section: Introductionmentioning

confidence: 99%

Sun, heat and electricity. A comprehensive study of non‐pollutant alternatives to produce green hydrogen

Mancera

Segura

Andújar

et al. 2022

Intl J of Energy Research

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Summary Water‐based hydrogen production is currently an attractive research field, as it provides a greener method to produce hydrogen than existing alternatives. Green hydrogen is expected to progressively replace fossil fuels, which are highly harmful environmentally. This paper presents a critical analysis over time of the main water splitting technologies currently in use for sustainable hydrogen production. As a result of the critical analysis, all the studied techniques have been ordered chronologically in the way that it is possible to understand how new materials have driven to new techniques, more efficient and less expensive. This allows having a complete vision of these technologies. A high level of maturity has been reached in electrolysis, while other techniques still have a long way to go, although many improvements and relevant advancements have been made over the years. The paper offers a global and comparative vision of each technology. From this, it is possible to identify the different paths where efforts are needed to make water‐based hydrogen production a mature, stable and efficient technology.

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Solar electricity storage through green hydrogen production: A case study

Cited by 25 publications

References 30 publications

Hydrogen technology in Sub-Saharan Africa: Prospects for Power Plants

Hydrogen technology in Sub-Saharan Africa: Prospects for Power Plants

Techno-economic assessment of green hydrogen production using different configurations of wind turbines and PV panels

Sun, heat and electricity. A comprehensive study of non‐pollutant alternatives to produce green hydrogen

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