Micro Eddy Current Facilitated by Screwed MoS2 Structure for Enhanced Hydrogen Evolution Reaction

Meixia Su, Wenda Zhou, Lin Liu, Mingyue Chen, Zhenzhen Jiang, Xingfang Luo, Yong Yang, Ting Yu, Wen Lei, Cailei Yuan

Research output: Contribution to journalArticlepeer-review


Eddy current is a magnetic field effect generated in alternating magnetic field (AMF), which could trigger continuous local heating, reducing the energy consumption without impairing the life of the catalyst or reactor. Unfortunately, the investigation of eddy current effect on transition metal disulfides (TMDs) electrocatalysis is still in its infancy, and its actual electrocatalytic applications has been impeded by the multilayered structure of traditional layered TMDs. Typically, the step pyramid MoS2, with a layer-by-layer stacking structure just like the silicon steel plate in the transformer, showing an inevitable interlayer potential barrier will suppress the generation of eddy current and cause low efficiency of magnetic heating. In this work, the designed screw pyramid MoS2 can facilitate the formation of micro eddy current and maximize utilization of magnetic heating to boost electrocatalytic activity, benefiting from its eliminated interlayer potential barrier. This work provides a new thinking for the design of field-assisted electrocatalytic reactions and development of the advanced catalyst technology.

Original languageEnglish
JournalAdvanced Functional Materials
Publication statusE-pub ahead of print - 24 Feb 2022


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