Energy storage by reversible electrodialysis: The concentration battery

Kingsbury, Ryan; Chu, Kevin S.; Coronell, Orlando

doi:10.1016/j.memsci.2015.06.050

Cited by 81 publications

(79 citation statements)

References 40 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Contributions of the salt flux and internal resistance to the power dissipation remain stable when the concentrate concentration is higher than 1.5 mol kg À1 . The large contribution of osmosis to the power dissipation and modest contribution of the unwanted salt transport was also reported by Kingsbury et al [13]. Fig.…”

Section: Influence Of Different Sources Of Power Dissipation At Maximsupporting

confidence: 80%

“…We validate this model over extensive data sets obtained during charging and discharging. Previous work by Kingsbury et al [13] showed similar results for a number of round trip experiments with a fixed current density and for a limited concentration range. Here we analyze mass transport processes and thermodynamic efficiencies in a wide range of operational conditions and are able to distinguish between individual charge-and discharge thermodynamic efficiency.…”

Section: Introductionsupporting

confidence: 72%

“…Here, we study an energy storage system based on using two salt solutions of different concentrations not unlike the combination of RED and electrodialysis (ED) proposed in Ref. [13]. Fig.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

The concentration gradient flow battery as electricity storage system: Technology potential and energy dissipation

Egmond

Saakes²,

Porada³

et al. 2016

Journal of Power Sources

View full text Add to dashboard Cite

Section: Influence Of Different Sources Of Power Dissipation At Maximsupporting

confidence: 80%

Section: Introductionsupporting

confidence: 72%

See 1 more Smart Citation

The concentration gradient flow battery as electricity storage system: Technology potential and energy dissipation

Egmond

Saakes²,

Porada³

et al. 2016

Journal of Power Sources

View full text Add to dashboard Cite

“…It is the ratio of energy released at discharge over energy consumed during charge. For constant current experiments, it can also be calculated by multiplying the coulombic efficiency and voltage efficiency

η_{RTE} = \frac{\int_{0}^{t_{d}} I_{d} U_{d} italicdt}{\int_{0}^{t_{c}} I_{c} U_{c} italicdt} = η_{CE} η_{VE}

where subscripts d and c stand for discharge and charge, respectively.…”

Section: Theorymentioning

confidence: 99%

Performance of an environmentally benign acid base flow battery at high energy density

Egmond

Saakes²,

Noor³

et al. 2017

Int J Energy Res

View full text Add to dashboard Cite

SummaryAn increasing fraction of energy is generated by intermittent sources such as wind and sun. A straightforward solution to keep the electricity grid reliable is the connection of large-scale electricity storage to this grid. Current battery storage technologies, while providing promising energy and power densities, suffer from a large environmental footprint, safety issues, and technological challenges. In this paper, the acid base flow battery is re-established as an environmental friendly means of storing electricity using electrolyte consisting of NaCl salt. To achieve a high specific energy, we have performed charge and discharge cycles over the entire pH range (0-14) at several current densities. We demonstrate stable performance at high energy density (2.9 Wh L −1 ). Main energy dissipation occurs by unwanted proton and hydroxyl ion transport and leads to low coulombic efficiencies (13%-27%). Although the CGFB has low environmental impact, energy density and power density are too low to be attractive for practical application. KEYWORDSIn this work, we show that the energy density and power density of the CGFB can be improved by implementing a bipolar membrane. The studied system is an energy storage system based on a reversible acid-base reaction. In this system called acid base flow battery (AB-FB), energy is being stored in acid and base solutions created by the bipolar membrane. The charge step of the AB-FB is similar to the well-known bipolar membrane electro dialysis (BPM-ED). BPM-ED converts NaCl solutions into NaOH and HCl solutions by spending electric power to separate protons and hydroxyl ions from water dissociation from the bipolar ----------------------------------------------------This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

show abstract

“…That is why there has been a strong trend toward niche energy storage systems in recent years. For instance, hydrogen installations have been tested and evaluated in the residential sector (and on small scale) [24] and processes of reversible electrolysis have been analyzed [25,26]. Flywheel energy storage systems [27,28] or supercapacitors [29] are being used to recover energy or to stabilize the running of electric drives.…”

Section: Latest Niche Storage Technologiesmentioning

confidence: 99%

Energy storage systems: power grid and energy market use cases

Komarnicki¹

2016

Archives of Electrical Engineering

View full text Add to dashboard Cite

Current power grid and market development, characterized by large growth of distributed energy sources in recent years, especially in Europa, are according energy storage systems an increasingly larger field of implementation. Existing storage technologies, e.g. pumped-storage power plants, have to be upgraded and extended by new but not yet commercially viable technologies (e.g. batteries or adiabatic compressed air energy storage) that meet expected demands. Optimal sizing of storage systems and technically and economically optimal operating strategies are the major challenges to the integration of such systems in the future smart grid. This paper surveys firstly the literature on the latest niche applications. Then, potential new use case and operating scenarios for energy storage systems in smart grids, which have been field tested, are presented and discussed and subsequently assessed technically and economically.

show abstract

Energy storage by reversible electrodialysis: The concentration battery

Cited by 81 publications

References 40 publications

The concentration gradient flow battery as electricity storage system: Technology potential and energy dissipation

The concentration gradient flow battery as electricity storage system: Technology potential and energy dissipation

Performance of an environmentally benign acid base flow battery at high energy density

Energy storage systems: power grid and energy market use cases

Contact Info

Product

Resources

About