2023
DOI: 10.1021/acs.est.3c07254
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Unlocking Bimetallic Active Centers via Heterostructure Engineering for Exceptional Phosphate Electrosorption: Internal Electric Field-Induced Electronic Structure Reconstruction

Peng Zhang,
Mingming He,
Fukuan Li
et al.

Abstract: Development of electrode materials exhibiting exceptional phosphate removal performance represents a promising strategy to mitigate eutrophication and meet ever-stricter stringent emission standards. Herein, we precisely designed a novel LaCeO x heterostructure-decorated hierarchical carbon composite (L8C2PC) for highefficiency phosphate electrosorption. This approach establishes an internal electric field within the LaCeO x heterostructure, where the electrons transfer from Ce atoms to neighboring La atoms th… Show more

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Cited by 35 publications
(2 citation statements)
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“…that store charge through a fast and reversible faradaic reaction occurring on the surface or near-surface redox-active sites have been rapidly developed in recent decades as candidates in the field of SC and CDI due to their ability to balance ion storage capacity vs. rate. 8–10 Conventionally, pseudocapacitive materials were constructed by decorating redox-active materials ( i.e. , metal compounds or traditional conductive polymers) on the surface of the porous backbone ( i.e.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…that store charge through a fast and reversible faradaic reaction occurring on the surface or near-surface redox-active sites have been rapidly developed in recent decades as candidates in the field of SC and CDI due to their ability to balance ion storage capacity vs. rate. 8–10 Conventionally, pseudocapacitive materials were constructed by decorating redox-active materials ( i.e. , metal compounds or traditional conductive polymers) on the surface of the porous backbone ( i.e.…”
Section: Introductionmentioning
confidence: 99%
“…However, this strategy is plagued by some serious intrinsic issues: (i) the surface decorated faradaic material is usually attached to the backbone via weak physical bonds like electrostatic attraction, and van der Waals forces, and could be easily washed off during cycling (this issue could only get worse with volumetric expansion); 4,5 (ii) the contact between redox-active material and backbone is usually point-to-point that could lead to sluggish electron conductivity; 6,7 (iii) the structural backbone used is usually porous carbon that suffers anodic-corrosion during long-term operation. 8–12 To address the abovementioned issues, we hypothesize whether we could somehow lock the redox-active material inside (instead of loading it on the surface) a stable organic porous network scaffold structure, we might be able to achieve superior and ultrastable pseudocapacitance and prevent aggregation without causing severe anodic corrosion.…”
Section: Introductionmentioning
confidence: 99%