OOIR: Observatory of International Research

Papers

(The TQCC of Carbon Energy is 34. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-11-01 to 2025-11-01.)

Article	Citations
	403
Tailoring local structures of atomically dispersed copper sites for highly selective CO₂ electroreduction	335
High Fe^LS(C) electrochemical activity of an iron hexacyanoferrate cathode boosts superior sodium ion storage	281
Back Cover Image, Volume 6, Number 10, October 2024	212
Issue Information	191
Narrow‐bandwidth emissive carbon dots: A rising star in the fluorescent material family	188
Back Cover Image, Volume 5, Number 4, April 2023	188
Model reduction of fractional impedance spectra for time–frequency analysis of batteries, fuel cells, and supercapacitors	185
Micro/nano‐wrinkled elastomeric electrodes enabling high energy storage performance and various form factors	184
Porous heterostructure of graphene/hexagonal boron nitride as an efficient electrocatalyst for hydrogen peroxide generation	183
Biomimetic and Compressible Wood Phase Change Gel With Hierarchically Aligned Lamellar Structure for Controlled Thermal Management	173
Elucidating the Role of Intralayer Cation Ordering and Disordering in Li _0.6 [Li _0.2 Mn	158
Highly efficient three‐dimensional solar evaporator for zero liquid discharge desalination of high‐salinity brine	157
Unraveling the atomic interdiffusion mechanism of NiFe₂O₄ oxygen carriers during chemical looping CO₂ conversion	151
Issue Information	151
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A universal spray printing strategy to prepare gradient hybrid architectures	117
Issue Information	116

Advanced characterization techniques for phosphate cathodes in aqueous rechargeable zinc‐based batteries	112
Zirconium‐Based Amphoteric Metal–Organic Framework Membrane for Blue Energy Harvesting	108
Engineering homotype heterojunctions in hard carbon to induce stable solid electrolyte interfaces for sodium‐ion batteries	105
In situ observation of the electrochemical behavior of Li–CO₂/O₂ batteries in an environmental transmission electron microscope	103
Issue Information	103
Rational design of new in situ reduction of Ni(II) catalytic system for low‐cost and large‐scale preparation of porous aromatic frameworks	102
Achievement of Superhigh Discharge Capacity in Lithium Rich Oxide Cathode Materials via Modification of Localized Structure	100
Scientific challenges faced by Mn‐based layered oxide cathodes with anionic redox for sodium‐ion batteries	98
Ultrathin origami accordion‐like structure of vacancy‐rich graphitized carbon nitride for enhancing CO₂ photoreduction	95
Highly efficient vanadium redox flow batteries enabled by a trilayer polybenzimidazole membrane assembly	90
Mechanistic understanding of the charge storage processes in FeF₂ aggregates assembled with cylindrical nanoparticles as a cathode material for lithium‐ion batteries by in situ magnetometry	90
Ultralow charge–discharge voltage gap of 0.05 V in sunlight‐responsive neutral aqueous Zn–air battery	88
Nature‐inspired materials and designs for flexible lithium‐ion batteries	86
3D‐cavity‐confined CsPbBr₃ quantum dots for visible‐light‐driven photocatalytic C(sp³)–H bond activation	85
Perovskite Quantum Dots: Fabrication, Degradation, and Enhanced Performance Across Solar Cells, Optoelectronics, and Quantum Technologies	84
A comprehensive overview of the electrochemical mechanisms in emerging alkali metal–carbon dioxide batteries	83
Cover Image, Volume 6, Number 3, March 2024	83
Imidazole linker‐induced covalent triazine framework–ZIF hybrids for confined hollow carbon super‐heterostructures toward a long‐life supercapacitor	83
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Issue Information	82
Unlocking Zero‐Carbon Buildings via Solid‐State Energy Storage Wallboards Enabled by Superionic Oriented Layered Magnesia‐Cement Electrolytes	80
Regulation of Lithium Nucleation by Designing a Biomimetic Carbon Frame for Super Compact and Non‐Expanding Lithium Metal Anode	79
Vertical plane depth‐resolved surface potential and carrier separation characteristics in flexible CZTSSe solar cells with over 12% efficiency	78
Machine‐Learning‐Assisted Design and Optimization of Single‐Atom Transition Metal‐Incorporated Carbon Quantum Dot Catalysts for Electrocatalytic Hydrogen Evolution Reaction	77
Synergistic Carbon Support Engineering in Composite Catalyst Layer for High‐Performance PEM Fuel Cells	76
A high‐performance transition‐metal phosphide electrocatalyst for converting solar energy into hydrogen at 19.6% STH efficiency	76
Structural and electrochemical stabilization enabling high‐energy P3‐type Cr‐based layered oxide cathode for K‐ion batteries	76
Two‐in‐one shell configuration for bimetal selenides toward fast sodium storage within broadened voltage windows	75
Charting the course to solid‐state dual‐ion batteries	73
NaTiO_x‐modified high‐nickel layered oxide cathode for stable sodium‐ion batteries	70
High‐rate metal‐free MXene microsupercapacitors on paper substrates	69
Handily etching nickel foams into catalyst–substrate fusion self‐stabilized electrodes toward industrial‐level water electrolysis	68
Cellulose nanofiber‐derived carbon aerogel for advanced room‐temperature sodium–sulfur batteries	68
Configuration‐dependent stretchable all‐solid‐state supercapacitors and hybrid supercapacitors	68
Dynamic stretching–electroplating metal‐coated textile for a flexible and stretchable zinc–air battery	68
Cover Image, Volume 7, Number 2, February 2025	67
Back Cover Image, Volume 5, Number 2, February 2023	66
Back Cover Image, Volume 6, Number 2, February 2024	65
Multicomponent organic blend systems: A review of quaternary organic photovoltaics	65
Back Cover Image, Volume 6, Number 11, November 2024	65
Recent advances in nickel‐based catalysts in eCO₂RR for carbon neutrality	65
Self‐supported thin‐film electrode consisting of transition metal borides for highly efficient hydrogen evolution	65
High‐rate electrochemical H₂O₂ production over multimetallic atom catalysts under acidic–neutral conditions	64
Long‐lasting, reinforced electrical networking in a high‐loading Li₂S cathode for high‐performance lithium–sulfur batteries	63
Nature‐inspired 3D hierarchical carbon nanotube matrices enable extraordinary solar steam generation	63
Single‐atom electrocatalysts for lithium–sulfur chemistry: Design principle, mechanism, and outlook	62
Liquid metal as an efficient protective layer for lithium metal anodes in all‐solid‐state batteries	62
Microcrystallization and lattice contraction of NiFe LDHs for enhancing water electrocatalytic oxidation	61
Hierarchical porous nitrogen, oxygen, and phosphorus ternary doped hollow biomass carbon spheres for high‐speed and long‐life potassium storage	61

Research advances of metal fluoride for energy conversion and storage	61
Insight Into Pre‐Intercalation of Layered Vanadium Oxide Cathodes: From Precise Control of the Interspace to Related Electrochemical Performance and Beyond	60
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Progress in electrolyte and interface of hard carbon and graphite anode for sodium‐ion battery	60
Magnetic field‐assisted electrocatalysis: Mechanisms and design strategies	60
Back Cover Image, Volume 6, Number 7, July 2024	59
Issue Information	59
Electrospinning engineering of gas electrodes for high‐performance lithium–gas batteries	59
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Engineering Tunable Dual‐Dependent Emission in Co‐Doped Cs₇Cd₃Br₁₃ Perovskites	58
CNT@MnO₂ composite ink toward a flexible 3D printed micro‐zinc‐ion battery	57
Exploring dopant‐enhanced ionic conductivity of AgCl‐doped Li₇P₃S₁₁ solid electrolytes: Integrating synchrotron Rietveld analysis, DFT, and ANN‐based molecular dynamic	56
Advances in Organic Porous Polymeric‐Supported Photothermal Phase Change Materials	56
Ultrastable One‐Dimensional Ti ₂ S Electride Support for an Efficient and Durable Bifunctional Electrocatalyst	56
Regulation on Morphology and Electronic Structure Design of Vanadium‐Based Sodium Phosphate Cathodes for High‐Performance Sodium‐Ion Batteries	56
ZIF‐Derived Co@Fe‐P Electrocatalyst With Core‐Shell Structure for Efficient Oxygen Evolution Reaction	55
Flame‐assisted ultrafast synthesis of functionalized carbon nanosheets for high‐performance sodium storage	55
Enhanced performance of solution‐processed carbon nanotube transparent electrodes in foldable perovskite solar cells through vertical separation of binders by using eco‐friendly parylene substrate	54
Lignin‐derived carbon with pyridine N‐B doping and a nanosandwich structure for high and stable lithium storage	54
Pore structure and oxygen content design of amorphous carbon toward a durable anode for potassium/sodium‐ion batteries	54
Trifunctional robust electrocatalysts based on 3D Fe/N‐doped carbon nanocubes encapsulating Co₄N nanoparticles for efficient battery‐powered water electrolyzers	54
Cover Image, Volume 4, Number 3, May 2022	53
Back Cover Image, Volume 5, Number 8, August 2023	53
Metal chloride‐graphite intercalation compounds for rechargeable metal‐ion batteries	53
A Conductive and Ion‐Selective Electrocatalyst Enables Stable and Efficient Direct Saline Water Splitting	53
Tailoring Ultrashort Inter‐Fullerene Spacing in a Continuous Fullerene Stacking Array to Enhance Electron Transport for Boosting Solar‐Driven Hydrogen Production	53
Molecular packing tuning via chlorinated end group enables efficient binary organic solar cells over 18.5%	52
High‐performance flexible perovskite photodetectors based on single‐crystal‐like two‐dimensional Ruddlesden–Popper thin films	52
Electronic and Lattice Modulation of Co _x P Nanosheets by In‐Situ Doped Boron to Enhance Activity	52
Densely populated single‐atom catalysts for boosting hydrogen generation from formic acid	51
A novel design of 3D carbon host for stable lithium metal anode	51
Designing interstitial boron‐doped tunnel‐type vanadium dioxide cathode for enhancing zinc ion storage capability	50
Bi@C nanosphere anode with Na⁺‐ether‐solvent cointercalation behavior to achieve fast sodium storage under extreme low temperatures	50
ZnIn₂S₄ with a hybrid reaction mechanism and sulfur vacancies for sustainable sodium storage	50
Graphene oxide‐based nanofluidic membranes for reverse electrodialysis that generate electricity from salinity gradients	50
Vertical channels enable excellent lithium storage kinetics and cycling stability in silicon/carbon thick electrode	50
Heteroatom tuning in agarose derived carbon aerogel for enhanced potassium ion multiple energy storage	50
Tailoring the Ionomer Type to Optimize Catalyst Microenvironment for Enhanced CO₂ Reduction in Membrane Electrode Assemblies	50
Research progress on carbon materials as negative electrodes in sodium‐ and potassium‐ion batteries	49
Tailoring an Fe–O_v–Ce–Triggered Phase‐Reversible Oxygen Carrier for Intensified Chemical Looping CO₂ Splitting	49
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Issue Information	47
Defect engineering in transition‐metal (Fe, Co, and Ni)‐based electrocatalysts for water splitting	47
Back Cover Image, Volume 7, Number 4, April 2025	47
“Three‐in‐one” strategy: Heat regulation and conversion enhancement of a multifunctional separator for safer lithium–sulfur batteries	47
Cover Image, Volume 6, Number 7, July 2024	47
Trade‐offs between ion‐conducting and mechanical properties: The case of polyacrylate electrolytes	45
Effect of Cation Contamination of Gas Diffusion Layer on Water Management and Performance of PEMFCs	45
Oxygen functionalization‐assisted anionic exchange toward unique construction of flower‐like transition metal chalcogenide embedded carbon fabric for ultra‐long life flexible energy storage and conver	45
Enhancing the Stability of Acidic CO₂ Reduction by Preventing OH⁻ and Liquid Product Recirculation	45
Tuning synergy between nickel and iron in Ruddlesden–Popper perovskites through controllable crystal dimensionalities towards enhanced oxygen‐evolving activity and stability	45
Flexible self‐supporting organic cathode with interface engineering for high‐performance and wide‐temperature sodium‐ion batteries	44
Cover Image, Volume 6, Number 1, January 2024	44
A lean‐zinc anode battery based on metal–organic framework‐derived carbon	44
Evolution of the porous structure for phosphoric acid etching carbon as cathodes in Li–O₂ batteries: Pyrolysis temperature‐induced characteristics changes	44
Noncovalent interactions on the electrocatalytic oxidation of ethanol on a Pt/C electrocatalyst	43
Tailoring the interaction of covalent organic framework with the polyether matrix toward high‐performance solid‐state lithium metal batteries	42
MOF‐derived 1D/3D N‐doped porous carbon for spatially confined electrochemical CO₂ reduction to adjustable syngas	42
Plasma‐assisted fabrication of multiscale materials for electrochemical energy conversion and storage	42
Mechanical Stress‐Tolerant Diffusion‐Dependent Electrode With Well‐Dispersed Silicon Particles for High‐Performance All‐Solid‐State Batteries	41
Carbon nanomaterials and their composites for supercapacitors	41
Upcycling of spent LiCoO₂ cathodes via nickel‐ and manganese‐doping	40
Back Cover Image, Volume 5, Number 10, October 2023	40
Sustainable silicon anodes facilitated via a double‐layer interface engineering: Inner SiO_x combined with outer nitrogen and boron co‐doped carbon	40
Cover Image, Volume 7, Number 5, May 2025	40
Back Cover Image, Volume 4, Number 1, January 2022	40
Facile carbon cloth activation strategy to boost oxygen reduction reaction performance for flexible zinc‐air battery application	40
Heterostructured nickel–cobalt metal alloy and metal oxide nanoparticles as a polysulfide mediator for stable lithium–sulfur full batteries with lean electrolyte	40
Cathode nanoarchitectonics with Na₃VFe_0.5Ti_0.5(PO4)₃: Overcoming the energy barriers of multielectron reactions for sodium‐ion batteries	39
K_xC_y phase induced expanded interlayer in ultra‐thin carbon toward full potassium‐ion capacitors	39
Biphase‐to‐monophase structure evolution of Na_0.766+xLi_xNi_0.33−xMn_0.5Fe_0.1Ti_0.07O₂ toward ultradurable	39
Unraveling reaction discrepancy and electrolyte stabilizing effects of auto‐oxygenated porphyrin catalysts in lithium–oxygen and lithium–air cells	39
In operando‐formed interface between silver and perovskite oxide for efficient electroreduction of carbon dioxide to carbon monoxide	39
Upcycling Photovoltaic Silicon Waste Into Cost‐Effectiveness Si/C Anode Materials	39
Electrodeposition of a dendrite‐free 3D Al anode for improving cycling of an aluminum–graphite battery	39
Proton exchange membrane‐based electrocatalytic systems for hydrogen production	38
Asymmetric acidic/alkaline N₂ electrofixation accelerated by high‐entropy metal–organic framework derivatives	38
A 30‐year overview of sodium‐ion batteries	38
Sulfur and nitrogen codoped cyanoethyl cellulose‐derived carbon with superior gravimetric and volumetric capacity for potassium ion storage	38
Revealing the atomic mechanism of diamond–iron interfacial reaction	38

Heterogeneous Interface Engineering of CoMoP/C₃N₄/N‐Doped Carbon to Boost Overall Water Splitting	38
Fully carbonate‐electrolyte‐based high‐energy‐density Li–S batteries with solid‐phase conversion	38
Rational Design of Photoanodes in Portable Devices to Enhance H ₂ O ₂ Production for Microenvironm	38
Locking Surface Dimensionality for Endurable Interface in Perovskite Photovoltaics	38
Green and scalable electrochemical routes for cost‐effective mass production of MXenes for supercapacitor electrodes	38
Strategies to achieve effective nitrogen activation	37
Cover Image, Volume 6, Number 9, September 2024	37
Ultra‐high‐flux passive cooling enabled by a sweating‐inspired hygroscopic membrane	37
Boosting lignin‐based photocatalyst with photocorrosion resistance for efficient H₂O₂ production via hetero‐interfacial π‐π stacking channels	37
Activating Ru in the pyramidal sites of Ru₂P‐type structures with earth‐abundant transition metals for achieving extremely high HER activity while minimizing noble metal content	37
Surface‐modified Ag@Ru‐P25 for photocatalytic CO₂ conversion with high selectivity over CH₄ formation at the solid–gas interface	37
Host–Guest Engineering of Dual‐Metal Nitrogen Carbides as Bifunctional Oxygen Electrocatalysts for Long‐Cycle Rechargeable Zn‐Air Battery	37
Sustainable nitrogen photofixation: Considerations on the state of the art of non critical carbon materials	36
Single‐atom Pt on carbon nanotubes for selective electrocatalysis	36
Sulfur‐doped hard carbon hybrid anodes with dual lithium‐ion/metal storage bifunctionality for high‐energy‐density lithium‐ion batteries	36
Highly N‐doped carbon with low graphitic‐N content as anode material for enhanced initial Coulombic efficiency of lithium‐ion batteries	36
Progress and prospect of flexible MXene‐based energy storage	36
Cover Image, Volume 5, Number 9, September 2023	35
Controllable and large‐area growth of ZnO nanosheet arrays under ambient condition as superior anodes for scalable aqueous batteries	35
Issue Information	35
Amorphous Protective Layers to Reshape Inorganic‐Rich Interphases for High‐Voltage Sodium‐Ion Batteries	35
Reinforced SnO₂ tensile‐strength and “buffer‐spring” interfaces for efficient inorganic perovskite solar cells	35
10% Efficient Solar‐to‐Hydrogen Conversion via Ternary‐Phase Organic Light Absorbers With Ni Heazlewoodite Electrocatalysts	34
Bulk preparation of free‐standing single‐iron‐atom catalysts directly as the air electrodes for high‐performance zinc‐air batteries	34
Beads‐on‐string hierarchical structured electrocatalysts for efficient oxygen reduction reaction	34
TiO₂ bunchy hierarchical structure with effective enhancement in sodium storage behaviors	34