Towards a smart energy network: The roles of fuel/electrolysis cells and technological perspectives

Zhang, Xiongwen; Chan, Siew Hwa; Ho, H.K.; Tan, Siew‐Chong; Li, Mengyu; Li, Guojun; Li, Jun; Feng, Zhenping

doi:10.1016/j.ijhydene.2015.03.133

Cited by 147 publications

(55 citation statements)

References 328 publications

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“…P2G is an alternative for the energy storage in the form of hydrogen within micro grid, which can then be utilized for variety of microgrid energy requirements such as transportation demands, or to be converted into electricity for electricity use within the community [62]. It is also beneficial for remote off-grid communities and mining sites where larger energy storage capacities are needed [59,63].…”

Section: Power To Microgridmentioning

confidence: 99%

Transition of Future Energy System Infrastructure; through Power-to-Gas Pathways

2017

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Section: Power To Microgridmentioning

confidence: 99%

Transition of Future Energy System Infrastructure; through Power-to-Gas Pathways

2017

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“…It is also possible to convert hydrogen plus carbon dioxide into synthetic methane which is available for long-term energy storage in the existing gas grid [80][81][82]. In power-to-gas concepts, the integration of biomass is mainly discussed for biogas plants: one approach of integration is use of excess power to increase the methane output, without additional feedstock necessity by converting the CO 2 -fraction of biogas with the addition of electrolysis-hydrogen [83].…”

Section: Technologymentioning

confidence: 99%

Flexible bioenergy supply for balancing fluctuating renewables in the heat and power sector—a review of technologies and concepts

et al. 2015

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Today bioenergy plays a major role in the renewable energy provision, for heat and power and for liquid biofuels as well. With an increasing share of renewables on the one hand side and a limited availability of biomass on the other hand, the provision of bioenergy has to consider the demands of the future energy system with high shares of fluctuating wind and solar power. This includes new and improved technologies and concepts for biogas, biomethane, and liquid and solid biofuels, which are discussed in the following, while for the electricity sector, the demand for more flexible provision might take place in the years to come; for more flexible heat provision, the transition is expected in a longer time frame. For their market implementation adopted regulatory framework and price signals from electricity markets are necessary. Review

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“…From the state-of-the-art of the research, it is clear that the ReSOC might be an electric storage technology with a high roundtrip efficiency (>70%) and higher energy density than batteries [28,36]. Wendel proposed in his Ph.D. thesis [28] to store and provide the thermal energy produced and required by the cell (Figure 2) using the C-H-O equilibrium catalyzed by the nickel of the fuel anode.…”

Section: Introductionmentioning

confidence: 99%

Potential of Reversible Solid Oxide Cells as Electricity Storage System

Giorgio

Desideri

2016

Energies

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Electrical energy storage (EES) systems allow shifting the time of electric power generation from that of consumption, and they are expected to play a major role in future electric grids where the share of intermittent renewable energy systems (RES), and especially solar and wind power plants, is planned to increase. No commercially available technology complies with all the required specifications for an efficient and reliable EES system. Reversible solid oxide cells (ReSOC) working in both fuel cell and electrolysis modes could be a cost effective and highly efficient EES, but are not yet ready for the market. In fact, using the system in fuel cell mode produces high temperature heat that can be recovered during electrolysis, when a heat source is necessary. Before ReSOCs can be used as EES systems, many problems have to be solved. This paper presents a new ReSOC concept, where the thermal energy produced during fuel cell mode is stored as sensible or latent heat, respectively, in a high density and high specific heat material and in a phase change material (PCM) and used during electrolysis operation. The study of two different storage concepts is performed using a lumped parameters ReSOC stack model coupled with a suitable balance of plant. The optimal roundtrip efficiency calculated for both of the configurations studied is not far from 70% and results from a trade-off between the stack roundtrip efficiency and the energy consumed by the auxiliary power systems.

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Towards a smart energy network: The roles of fuel/electrolysis cells and technological perspectives

Cited by 147 publications

References 328 publications

Transition of Future Energy System Infrastructure; through Power-to-Gas Pathways

Transition of Future Energy System Infrastructure; through Power-to-Gas Pathways

Flexible bioenergy supply for balancing fluctuating renewables in the heat and power sector—a review of technologies and concepts

Potential of Reversible Solid Oxide Cells as Electricity Storage System

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