OOIR: Observatory of International Research

Papers

(The H4-Index of Energy & Environmental Science is 147. 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 2020-11-01 to 2024-11-01.)

Article	Citations
Transition metal-based bimetallic MOFs and MOF-derived catalysts for electrochemical oxygen evolution reaction	540
Guidelines for performing lignin-first biorefining	525
Potassium-ion batteries: outlook on present and future technologies	524
An artificial hybrid interphase for an ultrahigh-rate and practical lithium metal anode	508
Unraveling the dual defect sites in graphite carbon nitride for ultra-high photocatalytic H₂O₂ evolution	499
Enabling large-scale hydrogen storage in porous media – the scientific challenges	499
Strategies of regulating Zn²⁺solvation structures for dendrite-free and side reaction-suppressed zinc-ion batteries	474
High-entropy energy materials: challenges and new opportunities	466
Untangling the respective effects of heteroatom-doped carbon materials in batteries, supercapacitors and the ORR to design high performance materials	454
Regulation methods for the Zn/electrolyte interphase and the effectiveness evaluation in aqueous Zn-ion batteries	432
Solar fuels: research and development strategies to accelerate photocatalytic CO₂ conversion into hydrocarbon fuels	419
Environmental impacts, pollution sources and pathways of spent lithium-ion batteries	401
Manipulating the D:A interfacial energetics and intermolecular packing for 19.2% efficiency organic photovoltaics	385
Bio-inspired design of anin situmultifunctional polymeric solid–electrolyte interphase for Zn metal anode cycling at 30 mA cm⁻²and 30 mA h cm⁻²	382
Lessons learned from spiro-OMeTAD and PTAA in perovskite solar cells	382
In situ built interphase with high interface energy and fast kinetics for high performance Zn metal anodes	368
Strategies to suppress hydrogen evolution for highly selective electrocatalytic nitrogen reduction: challenges and perspectives	352
Comprehensive understanding of the roles of water molecules in aqueous Zn-ion batteries: from electrolytes to electrode materials	346
A single-site iron catalyst with preoccupied active centers that achieves selective ammonia electrosynthesis from nitrate	340
Recent progress in tin-based perovskite solar cells	334
Two-birds-one-stone: multifunctional supercapacitors beyond traditional energy storage	324
PEM Fuel cell and electrolysis cell technologies and hydrogen infrastructure development – a review	322
Gas diffusion electrodes (GDEs) for electrochemical reduction of carbon dioxide, carbon monoxide, and dinitrogen to value-added products: a review	314
Lattice oxygen redox chemistry in solid-state electrocatalysts for water oxidation	308
Reducing the thickness of solid-state electrolyte membranes for high-energy lithium batteries	303

Pd doping-weakened intermediate adsorption to promote electrocatalytic nitrate reduction on TiO₂ nanoarrays for ammonia production and energy supply with zinc–nitrate batteries	303
Durability of anion exchange membrane water electrolyzers	301
Direct air capture: process technology, techno-economic and socio-political challenges	301
Recent advances in ion selectivity with capacitive deionization	300
Ultra-long-life and highly reversible Zn metal anodes enabled by a desolvation and deanionization interface layer	297
Sodium transition metal oxides: the preferred cathode choice for future sodium-ion batteries?	293
Concentrated dual-cation electrolyte strategy for aqueous zinc-ion batteries	283
Seawater electrolysis for hydrogen production: a solution looking for a problem?	281
Large-scale hydrogen production via water electrolysis: a techno-economic and environmental assessment	276
Phase change material-integrated latent heat storage systems for sustainable energy solutions	273
The high open-circuit voltage of perovskite solar cells: a review	272
Covalent organic framework-based materials for energy applications	269
Perfecting electrocatalystsviaimperfections: towards the large-scale deployment of water electrolysis technology	268
Hard carbon for sodium storage: mechanism and optimization strategies toward commercialization	266
Electrochemical carbon dioxide capture to close the carbon cycle	266
Machine learning for high performance organic solar cells: current scenario and future prospects	265
Deciphering the alternating synergy between interlayer Pt single-atom and NiFe layered double hydroxide for overall water splitting	262
High-temperature polyimide dielectric materials for energy storage: theory, design, preparation and properties	262
Re-examining rates of lithium-ion battery technology improvement and cost decline	256
Atomic heterointerface engineering overcomes the activity limitation of electrocatalysts and promises highly-efficient alkaline water splitting	255
All-solid-state lithium batteries enabled by sulfide electrolytes: from fundamental research to practical engineering design	251
Polyoxometalates (POMs): from electroactive clusters to energy materials	250
Recent advances in innovative strategies for the CO₂ electroreduction reaction	249
Can sustainable ammonia synthesis pathways compete with fossil-fuel based Haber–Bosch processes?	249
Recent progress in electrochemical synthesis of ammonia from nitrogen: strategies to improve the catalytic activity and selectivity	247
Noble-metal single-atoms in thermocatalysis, electrocatalysis, and photocatalysis	244
Liquid electrolyte development for low-temperature lithium-ion batteries	243
Recent advances and perspectives on thin electrolytes for high-energy-density solid-state lithium batteries	242
Optimized carrier extraction at interfaces for 23.6% efficient tin–lead perovskite solar cells	241
Nitrate reduction to ammonium: from CuO defect engineering to waste NO_x-to-NH₃economic feasibility	236
A review on the stability of inorganic metal halide perovskites: challenges and opportunities for stable solar cells	235
Battery cost forecasting: a review of methods and results with an outlook to 2050	235
Realizing 6.7 wt% reversible storage of hydrogen at ambient temperature with non-confined ultrafine magnesium hydrides	234
Ultrahigh solar-driven atmospheric water production enabled by scalable rapid-cycling water harvester with vertically aligned nanocomposite sorbent	234
A high-entropy atomic environment converts inactive to active sites for electrocatalysis	230
High-performance anion exchange membrane water electrolyzers with a current density of 7.68 A cm⁻² and a durability of 1000 hours	230
Non-carbon-supported single-atom site catalysts for electrocatalysis	229
Power generation for wearable systems	227
Challenges and advances in wide-temperature rechargeable lithium batteries	226
Emerging dynamic structure of electrocatalysts unveiled byin situX-ray diffraction/absorption spectroscopy	225
Is direct seawater splitting economically meaningful?	224
Engineering a self-adaptive electric double layer on both electrodes for high-performance zinc metal batteries	223
Passivation and process engineering approaches of halide perovskite films for high efficiency and stability perovskite solar cells	223
Decoupled electrochemical water-splitting systems: a review and perspective	219
Pyrolyzed M–N_x catalysts for oxygen reduction reaction: progress and prospects	218
Elucidating the activity, mechanism and application of selective electrosynthesis of ammonia from nitrate on cobalt phosphide	218
Regulating the oxidation state of nanomaterials for electrocatalytic CO₂reduction	217
Gram-scale synthesis of carbon quantum dots with a large Stokes shift for the fabrication of eco-friendly and high-efficiency luminescent solar concentrators	216
Natural gas hydrate resources and hydrate technologies: a review and analysis of the associated energy and global warming challenges	215
A hybrid plasma electrocatalytic process for sustainable ammonia production	212

Pushing commercialization of perovskite solar cells by improving their intrinsic stability	212
Atomically dispersed single iron sites for promoting Pt and Pt₃Co fuel cell catalysts: performance and durability improvements	212
Tuning metal single atoms embedded in N_xC_y moieties toward high-performance electrocatalysis	211
Reducing cobalt from lithium-ion batteries for the electric vehicle era	211
Carrier grain boundary scattering in thermoelectric materials	211
Challenges in the use of hydrogen for maritime applications	210
Two birds with one stone: dual grain-boundary and interface passivation enables >22% efficient inverted methylammonium-free perovskite solar cells	209
A progressive nucleation mechanism enables stable zinc stripping–plating behavior	208
Palladium alloys used as electrocatalysts for the oxygen reduction reaction	207
Grafted MXene/polymer electrolyte for high performance solid zinc batteries with enhanced shelf life at low/high temperatures	207
Toward commercial-level mass-loading electrodes for supercapacitors: opportunities, challenges and perspectives	206
Biomass-based materials for green lithium secondary batteries	206
In situpolymerization process: an essential design tool for lithium polymer batteries	205
Hydrogen liquefaction: a review of the fundamental physics, engineering practice and future opportunities	203
Development of encapsulation strategies towards the commercialization of perovskite solar cells	202
Passive, high-efficiency thermally-localized solar desalination	200
Perspective on the hydrogen economy as a pathway to reach net-zero CO₂emissions in Europe	197
Reaction intermediate-mediated electrocatalyst synthesis favors specified facet and defect exposure for efficient nitrate–ammonia conversion	197
Electrochemical energy storage devices working in extreme conditions	197
Strategies towards enabling lithium metal in batteries: interphases and electrodes	196
A flame-retardant polymer electrolyte for high performance lithium metal batteries with an expanded operation temperature	196
Additive-induced miscibility regulation and hierarchical morphology enable 17.5% binary organic solar cells	195
Interlayers for non-fullerene based polymer solar cells: distinctive features and challenges	194
Highly selective electroreduction of N₂ and CO₂ to urea over artificial frustrated Lewis pairs	194
Gradient fluorinated alloy to enable highly reversible Zn-metal anode chemistry	193
Life cycle assessment of carbon dioxide removal technologies: a critical review	192
Review and outlook on high-entropy alloys for hydrogen storage	189
Reversible adsorption with oriented arrangement of a zwitterionic additive stabilizes electrodes for ultralong-life Zn-ion batteries	187
Liquid metal batteries for future energy storage	187
Fine-tuning of side-chain orientations on nonfullerene acceptors enables organic solar cells with 17.7% efficiency	185
Activating the I⁰/I⁺ redox couple in an aqueous I₂–Zn battery to achieve a high voltage plateau	185
A durable half-metallic diatomic catalyst for efficient oxygen reduction	184
Sustainable off-grid desalination of hypersaline waters using Janus wood evaporators	184
Amination strategy to boost the CO₂ electroreduction current density of M–N/C single-atom catalysts to the industrial application level	182
Sulfur-assisted large-scale synthesis of graphene microspheres for superior potassium-ion batteries	181
Recent progress on pristine metal/covalent-organic frameworks and their composites for lithium–sulfur batteries	181
Local spin-state tuning of cobalt–iron selenide nanoframes for the boosted oxygen evolution	181
Progress and prospects of the morphology of non-fullerene acceptor based high-efficiency organic solar cells	180
Interfacial electronic coupling of ultrathin transition-metal hydroxide nanosheets with layered MXenes as a new prototype for platinum-like hydrogen evolution	179
Toward practical lithium-ion battery recycling: adding value, tackling circularity and recycling-oriented design	179
The rapid self-reconstruction of Fe-modified Ni hydroxysulfide for efficient and stable large-current-density water/seawater oxidation	177
Foldable potassium-ion batteries enabled by free-standing and flexible SnS₂@C nanofibers	176
The origin of capacity fluctuation and rescue of dead Mn-based Zn–ion batteries: a Mn-based competitive capacity evolution protocol	176
A pH-universal ORR catalyst with single-atom iron sites derived from a double-layer MOF for superior flexible quasi-solid-state rechargeable Zn–air batteries	176
Navigating fast and uniform zinc deposition via a versatile metal–organic complex interphase	176
Heterogeneous catalysts for CO₂hydrogenation to formic acid/formate: from nanoscale to single atom	175
Spontaneous interface engineering for dopant-free poly(3-hexylthiophene) perovskite solar cells with efficiency over 24%	175
First-row transition metal-based materials derived from bimetallic metal–organic frameworks as highly efficient electrocatalysts for electrochemical water splitting	173
Fiber-based thermoelectrics for solid, portable, and wearable electronics	172
Emerging strategies for steering orientational deposition toward high-performance Zn metal anodes	171
22.8%-Efficient single-crystal mixed-cation inverted perovskite solar cells with a near-optimal bandgap	171
Identifying the origin of the V_oc deficit of kesterite solar cells from the two grain growth mechanisms induced by Sn²⁺ and Sn⁴⁺ precursors in DMSO solution	170
Janus-interface engineering boosting solar steam towards high-efficiency water collection	166
Tuning halide perovskite energy levels	163
Approaching a high-rate and sustainable production of hydrogen peroxide: oxygen reduction on Co–N–C single-atom electrocatalysts in simulated seawater	161
Wide-bandgap organic–inorganic hybrid and all-inorganic perovskite solar cells and their application in all-perovskite tandem solar cells	159
Extraordinary role of Zn in enhancing thermoelectric performance of Ga-doped n-type PbTe	158
An anticorrosive zinc metal anode with ultra-long cycle life over one year	158
Engineering a conductive network of atomically thin bismuthene with rich defects enables CO₂ reduction to formate with industry-compatible current densities and stability	157
Advancing photoreforming of organics: highlights on photocatalyst and system designs for selective oxidation reactions	156
Boosting water decomposition by sulfur vacancies for efficient CO₂ photoreduction	156
Multifunctional SEI-like structure coating stabilizing Zn anodes at a large current and capacity	155
A nonflammable electrolyte for ultrahigh-voltage (4.8 V-class) Li\|\|NCM811 cells with a wide temperature range of 100 °C	155
A relaxor ferroelectric polymer with an ultrahigh dielectric constant largely promotes the dissociation of lithium salts to achieve high ionic conductivity	154
Dendrite-free Zn anode enabled by anionic surfactant-induced horizontal growth for highly-stable aqueous Zn-ion pouch cells	154
Stabilized hydroxide-mediated nickel-based electrocatalysts for high-current-density hydrogen evolution in alkaline media	152
Principles of interlayer-spacing regulation of layered vanadium phosphates for superior zinc-ion batteries	152
Highly active ruthenium sites stabilized by modulating electron-feeding for sustainable acidic oxygen-evolution electrocatalysis	151
N-Bridged Co–N–Ni: new bimetallic sites for promoting electrochemical CO₂ reduction	150
Enabling storage and utilization of low-carbon electricity: power to formic acid	150
Hydrogen society: from present to future	149
Design strategies for markedly enhancing energy efficiency in the electrocatalytic CO₂ reduction reaction	149
Photocatalytic and electrocatalytic transformations of C1 molecules involving C–C coupling	147
Eutectic electrolyte based on N-methylacetamide for highly reversible zinc–iodine battery	147
An organometal halide perovskite supported Pt single-atom photocatalyst for H₂ evolution	147