A microfluidic all-vanadium photoelectrochemical cell for solar energy storage

Jiao, Xiaohong; Chen, Rong; Zhu, Xun; Liu, Qiang; Ye, Dingding; Zhang, Biao; An, Liang; Feng, Hao; Zhang, Wei

doi:10.1016/j.electacta.2017.11.134

Cited by 27 publications

(16 citation statements)

References 33 publications

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“…In addition to the photoelectrode and redox couples, it should be noted that solar energy conversion and storage performance are also significantly influenced by the membrane that separates the two redox couples in the negative and positive compartments. [ 34 ] In general, the membrane is able to prevent the passage of electrons but allows the transport of charge carrier species, like proton, hydroxyl, etc., between the anode and cathode sides to complete the electrical circuit. [ 35 ] Thus, the property of the membrane influences the voltage and coulombic efficiencies of the PRB.…”

Section: General Descriptionmentioning

confidence: 99%

“…Meanwhile, it is worth to note that, even for those energy level matched redox couples and photoresponse materials, the solar energy storage performance is still very low. [ 22a,34a ] Such defect is mainly due to the narrow spectrum utilization and serious recombination of photogenerated charge carriers. [ 70 ] Therefore, consideration of utilizing the full‐spectrum solar energy and promoting the separation and utilization of charge carriers is largely required.…”

Section: Energy Level Matching Between Redox Couples and Photoelectrodesmentioning

confidence: 99%

“…Furthermore, it should be noted that the battery design also plays a vital role in solar energy conversion and storage. [ 34a ] The inherent defects of the traditional H‐type design, gradual deterioration of mass transfer because of the continuous depletion of active species, can directly restrain the interfacial reaction thereby leading to easier charge recombination. To overcome these defects, Wei et al.…”

Section: Configurations and Performancesmentioning

confidence: 99%

“…[ 38a,146 ] For example, Jiao et al. [ 34a ] proposed a microfluidic all‐vanadium photoelectrochemical cell for solar energy storage, as shown in Figure 10c. Similar to the conventional battery, the proposed battery was also integrated with two electrodes and two separate chambers for the storage of anodic and cathodic electrolytes containing redox species, whereas the depth of chamber was only 500 µm.…”

Section: Configurations and Performancesmentioning

confidence: 99%

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Advances and Challenges in Photoelectrochemical Redox Batteries for Solar Energy Conversion and Storage

Feng

Liu

Zhang

et al. 2022

Advanced Energy Materials

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The photoelectrochemical redox battery (PRB) has been regarded as an alternative candidate for large‐scale solar energy capture, conversion, and storage as it combines the superior advantages of photoelectrochemical devices and redox batteries. As an emerging solar energy utilization technology, significant progress has been made towards promoting and proliferating the practical applications of PRBs. However, wide market penetration of PRBs is still being significantly inhibited by limited photocatalytic activity, low efficiency, among other critical issues. Furthermore, the integration of each component, including solar materials, redox couples, and membranes and their interaction in PRBs play vital roles towards achieving smooth operation and high performance. Herein, the materials, mechanisms, recent advances, and challenges in the use of PRBs are presented. The crucial influence of redox couples, photoelectrode materials, membranes on the performance of the system including how they affect solar energy capture, reaction kinetics, and internal losses are systematically discussed. In addition, the recent advances of a single‐battery of photoelectrode mode and an integrated device of solar cell mode are summarized. Furthermore, the state of the art performance of PRBs and their upscaling progress are also discussed. Finally, the challenges and perspectives for the future development of PRBs are highlighted.

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Section: General Descriptionmentioning

confidence: 99%

Section: Energy Level Matching Between Redox Couples and Photoelectrodesmentioning

confidence: 99%

Section: Configurations and Performancesmentioning

confidence: 99%

Section: Configurations and Performancesmentioning

confidence: 99%

See 2 more Smart Citations

Advances and Challenges in Photoelectrochemical Redox Batteries for Solar Energy Conversion and Storage

Feng

Liu

Zhang

et al. 2022

Advanced Energy Materials

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“…H. Feng et al [32][33][34] investigated a microfluidic all-vanadium photoelectrochemical cell for solar energy storage under various operating conditions. The cell consisted of a TiO 2 photoanode, two microchambers with a depth of 500 µm, a Nafion 115 membrane separating microchambers, and a Pt coated carbon paper (counter electrode).…”

Section: Introductionmentioning

confidence: 99%

The Influence of Electrolyte Flow Hydrodynamics on the Performance of a Microfluidic Dye-Sensitized Solar Cell

Szafran

Davykoza

2021

Applied Sciences

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The dye-sensitized solar cells microfluidically integrated with a redox flow battery (µDSSC-RFB) belong to a new emerging class of green energy sources with an inherent opportunity for energy storage. The successful engineering of microfluidically linked systems is, however, a challenging subject, as the hydrodynamics of electrolyte flow influences the electron and species transport in the system in several ways. In the article, we have analyzed the microflows hydrodynamics by means of the lattice-Boltzmann method, using the algebraic solution of the Navier-Stokes equation for a duct flow and experimentally by the micro particle image velocimetry method. Several prototypes of µDSSC were prepared and tested under different flow conditions. The efficiency of serpentine µDSSC raised from 2.8% for stationary conditions to 3.1% for electrolyte flow above 20 mL/h, while the fill factor increased about 13% and open-circuit voltage from an initial 0.715 V to 0.745 V. Although the hexagonal or circular configurations are the straightforward extensions of standard photo chambers of solar cells, those configurations are hydrodynamically less predictable and unfavorable due to large velocity gradients. The serpentine channel configuration with silver fingers would allow for the scaling of the µDSSC-RFB systems to the industrial scale without loss of performance. Furthermore, the deterioration of cell performance over time can be inhibited by the periodic sensitizer regeneration, which is the inherent advantage of µDSSC.

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Advances in Microfluidic Technologies for Energy Storage and Release Systems

Cheng

Meena

et al. 2022

Adv Energy and Sustain Res

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While the majority of the technologies developed for energy storage are macrosized, the reactions involved in energy storage, such as diffusion, ionic transport, and surface‐based reactions, occur on the microscale. In light of this, microfluidics with the ability to manipulate such reactions and fluids on the micrometer scale has emerged as an interesting platform for the development of energy storage systems. Herein, the advances in utilizing microfluidic technologies in energy storage and release systems are reviewed in terms of four aspects. First, miniaturized microfluidic devices to store various forms of energy such as electrochemical, biochemical, and solar energy with unique architectures and enhanced performances are discussed. Second, novel energy materials with the desired geometries and characteristics that can be fabricated via microfluidic techniques are reviewed. Third, applications enabled by such microfluidic energy storage and release systems, particularly focusing on medical, environmental, and modeling purposes, are presented. Lastly, some remaining problems and challenges and possible future works in this field are suggested.

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A microfluidic all-vanadium photoelectrochemical cell for solar energy storage

Cited by 27 publications

References 33 publications

Advances and Challenges in Photoelectrochemical Redox Batteries for Solar Energy Conversion and Storage

Advances and Challenges in Photoelectrochemical Redox Batteries for Solar Energy Conversion and Storage

The Influence of Electrolyte Flow Hydrodynamics on the Performance of a Microfluidic Dye-Sensitized Solar Cell

Advances in Microfluidic Technologies for Energy Storage and Release Systems

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