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Cited by 408

The DOI matches its Crossref record; 49 of the 49 references it cites were found in a registry or an index.

Bubble growth and departure modes on wettable/non-wettable porous foams in alkaline water splitting

Open access
Iwata, Ryuichi, Zhang, Lenan, Wilke, Kyle L., Gong, Shuai, He, Mingfu, Gallant, Betar M., Wang, Evelyn N.·2021·Joule
DOI 10.1016/j.joule.2021.02.015
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Abstract

Summary Bubble growth and departure are ubiquitous phenomena in gas-evolving reactions, which govern the overall energy and mass transport. However, an in-depth understanding of the relationship between bubble dynamics and the electrochemical processes, in particular, the wettability effect on a gas-evolving porous electrode remains elusive. Here, we report the bubble dynamics and overpotential observed during alkaline water splitting on a polytetrafluoroethylene (PTFE) deposited nickel porous electrode. A slight decrease in hydrophilicity induced a drastic transition of bubble dynamics and a significant increase of the transport overpotential. We show that the porous electrode transitioned from a liquid-filled state to a gas-filled state when varying the wettability, which changed the bubble departure sizes and bubble coverage. As a result, there were substantial changes of the transport overpotential. Our work elucidates the fundamental relationship between wettability and water splitting characteristics, which provides a practical scenario for structuring the electrode for gas-evolving reactions.

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Citations

Cites

Show all 49 references

Research works printed but not linked: 6

  1. Yang, 2005, In situ visualization study of CO2 gas bubble behavior in DMFC anode flow fields, J. Power Sources, 139, 79, 10.1016/j.jpowsour.2004.05.033 · doi:10.1016/j.jpowsour.2004.05.033
  2. Chen, 2019, Size effect of one-dimensional nanostructures on bubble nucleation in water splitting, Appl. Phys. Lett., 115, 10.1063/1.5115977 · doi:10.1063/1.5115977
  3. Vogt, 2013, On the various types of uncontrolled potential increase in electrochemical reactors - the anode effect, Electrochim. Acta, 87, 611, 10.1016/j.electacta.2012.09.051 · doi:10.1016/j.electacta.2012.09.051
  4. Iacovetta, 2015, Synthesis, structure, and properties of superhydrophobic nickel-PTFE nanocomposite coatings made by electrodeposition, Surface and Coatings Technology, 279, 134, 10.1016/j.surfcoat.2015.08.022 · doi:10.1016/j.surfcoat.2015.08.022
  5. Su, 2016, A study of drop-microstructured surface interactions during dropwise condensation with quartz crystal Microbalance, Sci. Rep., 6, 35132, 10.1038/srep35132 · doi:10.1038/srep35132
  6. Fritz, 1935, Maximum volume of vapor bubbles, Physik. Zeitschr., 36, 379

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Metadata

Authors
Iwata, R., Zhang, L., Wilke, K. L., Gong, S., He, M., Gallant, B. M., & Wang, E. N.
Venue
Joule
Publisher
Elsevier BV
Published
2021-04
Volume
5
Issue
4
Pages
887-900
ISSN
2542-4351 (ISSN-L)
DOI
10.1016/j.joule.2021.02.015
OpenAlex
W3148969157
Cited by
408
References
49
FWCI
9.24
Type
journal article
Language
en
Open access
bronze
Licence
Funders
  • National Science Foundation
  • Massachusetts Institute of Technology
  • Materials Research Science and Engineering Center, Harvard University
  • Singapore-MIT Alliance for Research and Technology Centre
  • National Natural Science Foundation of China (51521004, 51706135)

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CoChat. (2026). Citation check: Bubble growth and departure modes on wettable/non-wettable porous foams in alkaline water splitting. https://app.cochat.ai/papers/10.1016/j.joule.2021.02.015
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Iwata, R., Zhang, L., Wilke, K. L., Gong, S., He, M., Gallant, B. M., & Wang, E. N. (2021). Bubble growth and departure modes on wettable/non-wettable porous foams in alkaline water splitting. Joule. https://doi.org/10.1016/j.joule.2021.02.015

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