2021
DOI: 10.1002/aenm.202102235
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Atomic Heterointerface Boosts the Catalytic Activity toward Oxygen Reduction/Evolution Reaction

Abstract: Representatively, the ORR/ OER delivers the discharge/charge process of both aqueous Zn-air batteries and aprotic Li-air batteries which are promising power source candidates for prevailing portable devices and electric vehicles. [7][8][9][10][11][12][13][14] However, the sluggish kinetics of molecular oxygen electrocatalytic reduction and evolution lead to high overpotentials, poor rate capability and short cycle life, severely hampering the widespread implementation of these systems. [15][16][17] Exploring e… Show more

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Cited by 26 publications
(14 citation statements)
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References 76 publications
(73 reference statements)
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“…47 Additionally, the interface between 2H-1T ′ can show chalcogen vacancies and accumulated charges inducing enhanced charge transfer benecial for improved ORR kinetics, thus, performing better than the monophases. [48][49][50] This was further corroborated by decreased Tafel slope values of the polytypes compared to 1T ′ monophases (Fig. S9 †).…”
Section: Mechanistic Insightssupporting
confidence: 59%
See 1 more Smart Citation
“…47 Additionally, the interface between 2H-1T ′ can show chalcogen vacancies and accumulated charges inducing enhanced charge transfer benecial for improved ORR kinetics, thus, performing better than the monophases. [48][49][50] This was further corroborated by decreased Tafel slope values of the polytypes compared to 1T ′ monophases (Fig. S9 †).…”
Section: Mechanistic Insightssupporting
confidence: 59%
“…47 Additionally, the interface between 2H-1T' can show chalcogen vacancies and accumulated charges inducing enhanced charge transfer beneficial for improved ORR kinetics, thus, performing better than the monophases. [48][49][50] This was further corroborated by decreased Tafel slope values of the polytypes compared to 1T' monophases (Figure S9). Additionally, the MoS 2 polytype shows improved stability while maintaining its polytypic nature during the long-term cycling of ORR, as shown in Figure S10, 11a.…”
Section: Articlesupporting
confidence: 56%
“…Nowadays, an oxide ultra-thin lm on a metal, 18,19 as a heterointerface, has been considered as a two-dimensional (2D) material for the fabrication and design of inversed metal catalysts. The introducing of ultra-thin 2D adlayers such as oxides, phosphides, uorides and suldes on a nanoalloy 20,21 could properly modify the surface reconstruction pathway of the nanoalloy to achieve optimal catalytic performance. 6,22 The hitherto-developed synthesis methods for 2D materials on metals or 2D heterointerfaces mainly include self-limiting growth during reconstruction treatment.…”
Section: Introductionmentioning
confidence: 99%
“…The heterostructure interface can efficiently adsorb electron-donating/electron-withdrawing groups, triggering a fast electrocatalytic rate with high reaction kinetics. 108 More importantly, the construction of heterostructures is a rational approach for achieving bifunctional activity. Qiao's group strongly coupled CoO nanoclusters with high-index facet Mn 3 O 4 nano-octahedrons (hi-Mn 3 O 4 ) as bifunctional oxygen electrocatalysts.…”
Section: Atomic-level Modulation Engineeringmentioning
confidence: 99%