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Improving the Electrochemical Oxygen Reduction Activity of Manganese Oxide Nanosheets with Sulfurization‐Induced Nanopores

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Every reference with a DOI or an arXiv id in the deposited reference list resolved to a known work in Crossref or DataCite at the dated check, and none carried a retraction, withdrawal, or removal notice.

12 with no DOI or arXiv id: not checked. A reference deposited without a DOI is checked only when it names an arXiv id, under that id’s DataCite DOI. The rest are never matched by title or guessed at; they stay outside the checked set, and this line says so.

The 70 checked references that resolve
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Graphitic Carbon Nitride Nanosheet–Carbon Nanotube Three‐Dimensional Porous Composites as High‐Performance Oxygen Evolution Electrocatalysts
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Carbon-Based Supercapacitors Produced by Activation of Graphene
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Porous Two-Dimensional Nanosheets Converted from Layered Double Hydroxides and Their Applications in Electrocatalytic Water Splitting
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Effect of Surface Manganese Valence of Manganese Oxides on the Activity of the Oxygen Reduction Reaction in Alkaline Media
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Half‐Metallicity in Single‐Layered Manganese Dioxide Nanosheets by Defect Engineering
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Half‐Metallicity in Single‐Layered Manganese Dioxide Nanosheets by Defect Engineering
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A Bifunctional Nonprecious Metal Catalyst for Oxygen Reduction and Water Oxidation
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Manganese Oxide Catalyst Grown on Carbon Paper as an Air Cathode for High‐Performance Rechargeable Zinc–Air Batteries
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Ultra-durable two-electrode Zn–air secondary batteries based on bifunctional titania nanocatalysts: a Co <sup>2+</sup> dopant boosts the electrochemical activity
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Pomegranate‐Inspired Design of Highly Active and Durable Bifunctional Electrocatalysts for Rechargeable Metal–Air Batteries
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Pomegranate‐Inspired Design of Highly Active and Durable Bifunctional Electrocatalysts for Rechargeable Metal–Air Batteries
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