The DOI matches its Crossref record; 35 of the 35 references it cites were found in a registry or an index.
Energy‐Saving Hydrogen Production by Seawater Electrolysis Coupling Sulfion Degradation
Abstract
Electrolysis of costless and infinite seawater is a promising way toward grid‐scale hydrogen production without causing freshwater stress. Practical potential of this technology, however, is hindered by low energy efficiency and anode corrosion by the detrimental chlorine chemistry in seawater in addition to unaffordable electricity expense. Herein, energy‐saving hydrogen production is reported by chlorine‐free seawater splitting coupling sulfion oxidation. It yields hydrogen at a low cell voltage of 0.97 V, cutting the electricity consumption to 2.32 kWh per m 3 H 2 at 300 mA cm−2. Compared to alkaline water electrolysis, the energy expense is primarily saved by 60% with 50% lower energy equivalent input. Benefiting from the ultralow cell voltage, the hazardous chlorine chemistry is fully avoided without anode corrosion regardless of Cl− crossover. Meanwhile, it also allows fast degradation of S 2− pollutant from the water body to value‐added sulfur with 80% efficiency, for further reducing hydrogen cost and protection of the ecosystem. Connecting such a hybrid seawater electrolyzer to a commercial solar cell can harvest the hydrogen from seawater with better sustainability. This work may offer new opportunities for low‐cost hydrogen production from the unlimited ocean resources with environmental protection.
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Cites
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Electrolysis of low-grade and saline surface water
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Self-citationWater electrolysers with closed and open electrochemical systems
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Cited by
Bifunctional Electrocatalysts for Overall and Hybrid Water Splitting
Quan, L., Jiang, H., Mei, G., Sun, Y., & You, B. (2024) · Chemical Reviews · doi:10.1021/acs.chemrev.3c00332 · Cited by 874
Emerging materials and technologies for electrocatalytic seawater splitting
Jin, H., Xu, J., Liu, H., Shen, H., Yu, H., Jaroniec, M., Zheng, Y., & Qiao, S.-Z. (2023) · Science Advances · doi:10.1126/sciadv.adi7755 · Cited by 417
Recent Advancements in Electrochemical Hydrogen Production via Hybrid Water Splitting
Qian, Q., Zhu, Y., Ahmad, N., Feng, Y., Zhang, H., Cheng, M., Liu, H., Xiao, C., Zhang, G., & Xie, Y. (2024) · Advanced Materials · doi:10.1002/adma.202306108 · Cited by 399
Principles of Designing Electrocatalyst to Boost Reactivity for Seawater Splitting
Liu, X., Chi, J., Mao, H., & Wang, L. (2023) · Advanced Energy Materials · doi:10.1002/aenm.202301438 · Cited by 247
Progress and Perspectives for Solar‐Driven Water Electrolysis to Produce Green Hydrogen
Zhao, H., & Yuan, Z. (2023) · Advanced Energy Materials · doi:10.1002/aenm.202300254 · Cited by 240
Metadata
- Authors
- Zhang, L., Wang, Z., & Qiu, J.
- Venue
- Advanced Materials
- Publisher
- Wiley
- Published
- 2022-03-10
- Volume
- 34
- Issue
- 16
- Pages
- e2109321-e2109321
- ISSN
- 0935-9648 (ISSN-L)
- 1521-4095
- OpenAlex
- W4211162243
- Cited by
- 339
- References
- 35
- FWCI
- 12.40
- Type
- journal article
- Language
- en
- Open access
- closed
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