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Company · Düsseldorf · Germany

Air Liquide (Germany)

airliquide.com/de/germanyROR OpenAlex
Research works
45
▼ 28% vs 2018-21
Citations
858
19.1 per fractional work
Top-10% rate
4.3%
all institutions 10.0%
Open access
32%
world 40%
International
38%
world 18%
Air Liquide (Germany)

Not ranked overall: Air Liquide (Germany) is under the volume floor below which an excellence rate is noise. Not ranked is not the same as ranked last.

Which fields of science does Air Liquide (Germany) work in?

In all years, 80% of research at Air Liquide (Germany) is in Physical Sciences, 12% in Health Sciences. Its largest fields are Engineering (43%), Medicine (12%), Chemical Engineering (10%). It does 1.8× the world's share of Physical Sciences.

Physical Sciences: 36 fractional works · 79.6% of its workEngineering: 19 fractional works · 43.2% of its workMechanical Engineering: 6 fractional works · 12.5% of its workBiomedical Engineering: 4 fractional works · 10.0% of its workControl and Systems Engineering: 3 fractional works · 7.7% of its workComputational Mechanics: 1 fractional works · 3.2% of its workAerospace Engineering: 1 fractional works · 2.6% of its workIndustrial and Manufacturing Engineering: 1 fractional works · 2.2% of its workOcean Engineering: 1 fractional works · 1.6% of its workElectrical and Electronic Engineering: 1 fractional works · 1.4% of its workCivil and Structural Engineering: 0 fractional works · 0.6% of its workMechanics of Materials: 0 fractional works · 0.6% of its workAutomotive Engineering: 0 fractional works · 0.2% of its workBuilding and Construction: 0 fractional works · 0.2% of its workChemical Engineering: 5 fractional works · 10.5% of its workCatalysis: 4 fractional works · 8.0% of its workProcess Chemistry and Technology: 1 fractional works · 1.4% of its workFluid Flow and Transfer Processes: 0 fractional works · 0.6% of its workBioengineering: 0 fractional works · 0.4% of its workEnvironmental Science: 4 fractional works · 8.4% of its workWater Science and Technology: 1 fractional works · 3.1% of its workEnvironmental Engineering: 1 fractional works · 2.1% of its workEnvironmental Chemistry: 0 fractional works · 1.1% of its workIndustrial and Manufacturing Engineering: 0 fractional works · 0.9% of its workHealth, Toxicology and Mutagenesis: 0 fractional works · 0.6% of its workPollution: 0 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.0% of its workEnergy: 3 fractional works · 6.4% of its workRenewable Energy, Sustainability and the Environment: 2 fractional works · 4.4% of its workEnergy Engineering and Power Technology: 1 fractional works · 2.0% of its workMaterials Science: 2 fractional works · 4.6% of its workMaterials Chemistry: 2 fractional works · 3.9% of its workMetals and Alloys: 0 fractional works · 0.4% of its workBiomaterials: 0 fractional works · 0.4% of its workChemistry: 1 fractional works · 2.8% of its workAnalytical Chemistry: 0 fractional works · 1.1% of its workInorganic Chemistry: 0 fractional works · 1.0% of its workOrganic Chemistry: 0 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.2% of its workComputer Science: 1 fractional works · 2.6% of its workComputational Theory and Mathematics: 1 fractional works · 1.5% of its workInformation Systems: 0 fractional works · 0.9% of its workComputer Networks and Communications: 0 fractional works · 0.2% of its workEarth and Planetary Sciences: 0 fractional works · 1.1% of its workGeochemistry and Petrology: 0 fractional works · 0.7% of its workAtmospheric Science: 0 fractional works · 0.4% of its workHealth Sciences: 6 fractional works · 12.4% of its workMedicine: 5 fractional works · 12.2% of its workSurgery: 4 fractional works · 8.3% of its workAnesthesiology and Pain Medicine: 1 fractional works · 1.6% of its workPublic Health, Environmental and Occupational Health: 0 fractional works · 1.1% of its workPulmonary and Respiratory Medicine: 0 fractional works · 0.6% of its workPhysiology: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.2% of its workVeterinary: 0 fractional works · 0.2% of its workSmall Animals: 0 fractional works · 0.2% of its workSocial Sciences: 3 fractional works · 7.1% of its workBusiness, Management and Accounting: 2 fractional works · 4.3% of its workManagement of Technology and Innovation: 1 fractional works · 2.0% of its workStrategy and Management: 1 fractional works · 1.5% of its workOrganizational Behavior and Human Resource Management: 0 fractional works · 0.7% of its workSocial Sciences: 1 fractional works · 1.8% of its workSociology and Political Science: 0 fractional works · 1.1% of its workCommunication: 0 fractional works · 0.7% of its workArts and Humanities: 0 fractional works · 0.7% of its workLanguage and Linguistics: 0 fractional works · 0.7% of its workDecision Sciences: 0 fractional works · 0.2% of its workStatistics, Probability and Uncertainty: 0 fractional works · 0.2% of its workLife Sciences: 0 fractional works · 0.9% of its workBiochemistry, Genetics and Molecular Biology: 0 fractional works · 0.7% of its workMolecular Biology: 0 fractional works · 0.7% of its workPharmacology, Toxicology and Pharmaceutics: 0 fractional works · 0.2% of its workALL ITS WORKAir Liquide(Germany)45fractional works, all years
Life Sciences1%Physical Sciences80%Health Sciences12%Social Sciences7%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in all years. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 4 domains and 16 fields, with their numbers
    1. Engineering1943.2%
    2. Chemical Engineering510.5%
    3. Environmental Science48.4%
    4. Energy36.4%
    5. Materials Science24.6%
    6. Chemistry12.8%
    7. Computer Science12.6%
    8. Earth and Planetary Sciences01.1%
    1. Medicine512.2%
    2. Veterinary00.2%
    1. Business, Management and Accounting24.3%
    2. Social Sciences11.8%
    3. Arts and Humanities00.7%
    4. Decision Sciences00.2%
    1. Biochemistry, Genetics and Molecular Biology00.7%
    2. Pharmacology, Toxicology and Pharmaceutics00.2%
All of science, and how each field's share has moved since 1950: the Science domain explorer

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Biochemistry, Genetics and Molecular Biology: 0.21× its world share, 0 worksBiochemistry, Geneti…Pharmacology, Toxicology and Pharmaceutics: 1.57× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 32.11× its world share, 2 worksChemical EngineeringChemistry: 1.18× its world share, 0 worksChemistryComputer Science: 0.43× its world share, 0 worksComputer ScienceEarth and Planetary Sciences: 0.71× its world share, 0 worksEarth and Planetary …Energy: 16.20× its world share, 2 worksEnergyEngineering: 2.33× its world share, 5 worksEngineeringEnvironmental Science: 2.93× its world share, 2 worksEnvironmental ScienceMaterials Science: 2.00× its world share, 1 worksMaterials ScienceMedicine: 0.14× its world share, 0 worksMedicineBusiness, Management and Accounting: 2.07× its world share, 1 worksBusiness, Management…1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Chemical Engineering, 32.1×. Every wedge is a field page.

All 12 fields, with their numbers
  1. Chemical Engineering32.11×2 works
  2. Energy16.20×2 works
  3. Environmental Science2.93×2 works
  4. Engineering2.33×5 works
  5. Business, Management and Accounting2.07×1 works
  6. Materials Science2.00×1 works
  7. Pharmacology, Toxicology and Pharmaceutics1.57×0 works
  8. Chemistry1.18×0 works
  9. Earth and Planetary Sciences0.71×0 works
  10. Computer Science0.43×0 works
  11. Biochemistry, Genetics and Molecular Biology0.21×0 works
  12. Medicine0.14×0 works

Who are the top researchers at Air Liquide (Germany)?

Ranked on the quality score, Robin Schmidt and Stéphane Haag lead among researchers whose main affiliation is Air Liquide (Germany).

  1. 1 Robin Schmidt Germany · #3,150,250 worldwide 58 citations · 15 works
  2. 2 Stéphane Haag Germany · #3,853,344 worldwide 694 citations · 28 works
All ranked researchers at Air Liquide (Germany)

What are the most cited papers from Air Liquide (Germany)?

The most cited paper from Air Liquide (Germany) is "CO2-based methanol and DME – Efficient technologies for industrial scale production" (Florian Pontzen, Waldemar Liebner, Veronika Gronemann et al., 2011), with 356 citations. Next come "Iron ore catalysts for methane decomposition to make CO x free hydrogen and carbon nano material" (92) and "Prediction of ash fusion behavior from coal ash composition for entrained-flow gasification" (88).

Most cited papers
#PaperReleasedCitations
1 CO2-based methanol and DME – Efficient technologies for industrial scale production Florian Pontzen, Waldemar Liebner, Veronika Gronemann et al. · Catalysis Today 6 Jul 2011 356
2 Iron ore catalysts for methane decomposition to make CO x free hydrogen and carbon nano material Lu Zhou, Linga Reddy Enakonda, Sheng Li et al. · Journal of the Taiwan Institute of Chemical Engineers 27 Mar 2018 92
3 Prediction of ash fusion behavior from coal ash composition for entrained-flow gasification Thulasi Sasi, Moein Mighani, Evrim Örs et al. · Fuel Processing Technology 23 Mar 2018 88
4 Fast Pyrolysis of Wheat Straw in the Bioliq Pilot Plant Cornelius Pfitzer, Nicolaus Dahmen, Nicole Tröger et al. · Energy & Fuels 30 Aug 2016 79
5 Performance and exergy analysis of the current developments in coal gasification technology Martin Gräbner, Bernd E. Meyer · Fuel 16 Mar 2013 75
All 63 most cited papers, with filters and sorting

Which keywords describe research at Air Liquide (Germany)?

By fractional works in all years, weighted toward what it does more of than the world: Renewable Fuels, Catalytic, Carbon Dioxide, Anaesthesia, Medical Gases, Optimization, Energy Efficiency and Hydrogenation.

▲ more of its work than of the world's◆ about the world's share▼ less than the world's

Size is fractional works in all years in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Renewable Fuels6▲ 148×3 topics
  2. Catalytic4▲ 68×3 topics
  3. Carbon Dioxide4▲ 60×4 topics
  4. Anaesthesia4▲ 398×1 topic
  5. Medical Gases4▲ 398×1 topic
  6. Optimization3▲ 14×5 topics
  7. Sustainability3▲ 4.1×9 topics
  8. Energy Efficiency3▲ 8.5×4 topics
  9. Hydrogenation3▲ 35×2 topics
  10. Biomass3▲ 72×4 topics
  11. Fischer-Tropsch Catalysts3▲ 234×1 topic
  12. Methanol Synthesis3▲ 234×1 topic
  13. Catalysis3▲ 7.1×6 topics
  14. Environmental Impact3▲ 4.3×8 topics
  15. Lignocellulosic Biomass2▲ 55×2 topics
  16. Renewable Energy2▲ 5.4×6 topics
  17. Gasification2▲ 92×2 topics
  18. Supply Chain2▲ 29×2 topics
  19. Uncertainty2▲ 103×2 topics
  20. Ionic Liquids2▲ 15×5 topics
  21. Process Intensification2▲ 188×1 topic
  22. Scheduling2▲ 57×1 topic
  23. Bio-oil2▲ 127×1 topic
  24. Pyrolysis2▲ 74×1 topic
  25. Heterogeneous Catalysts2▲ 35×2 topics
  26. CO2 Capture Technology2▲ 154×1 topic
  27. Carbon Dioxide Capture2▲ 74×1 topic
  28. Hydrogen2▲ 71×2 topics
  29. Desulfurization1▲ 82×1 topic
  30. Hydrodeoxygenation1▲ 82×1 topic
  31. Renewable Resources1▲ 22×2 topics
  32. Catalysts1▲ 21×3 topics
  33. Cryogenic Storage1▲ 72×1 topic
  34. Digital Transformation1▲ 9.4×2 topics
  35. Energy Storage1▲ 6.9×3 topics
  36. Liquefied Natural Gas (LNG)1▲ 72×1 topic
  37. Ceria1▲ 20×1 topic
  38. Electrocatalysis1▲ 13×2 topics
  39. Heterogeneous Catalysis1▲ 14×2 topics
  40. Oxidation1▲ 11×1 topic

Which research topics does Air Liquide (Germany) publish most on?

By volume in 2022-now: Catalysts for Methane Reforming, Process Optimization and Integration, Carbon Dioxide Capture Technologies and Advanced oxidation water treatment.

Catalysts for Methane Re…2Catalysts for Methane Reforming: 2 fractional worksProcess Optimization and Integration: 1 fractional worksCarbon Dioxide Capture Technologies: 1 fractional worksAdvanced oxidation water treatment: 0 fractional worksElectrocatalysts for Energy Conversion: 0 fractional worksCO2 Reduction Techniques and Catalysts: 0 fractional worksCatalytic Processes in Materials Science: 0 fractional worksCatalysis and Hydrodesulfurization Studies: 0 fractional worksHybrid Renewable Energy Systems: 0 fractional worksMaritime Transport Emissions and Efficiency: 0 fractional works
CatalysisControl and Systems EngineeringMechanical EngineeringWater Science and Technology4 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Catalysts for Methane Reforming Catalysis 2 works
  2. 2 Process Optimization and Integration Control and Systems Engineering 1 works
  3. 3 Carbon Dioxide Capture Technologies Mechanical Engineering 1 works
  4. 4 Advanced oxidation water treatment Water Science and Technology 0 works
  5. 5 Electrocatalysts for Energy Conversion Renewable Energy, Sustainability and the Environment 0 works
  6. 6 CO2 Reduction Techniques and Catalysts Renewable Energy, Sustainability and the Environment 0 works
  7. 7 Catalytic Processes in Materials Science Materials Chemistry 0 works
  8. 8 Catalysis and Hydrodesulfurization Studies Mechanical Engineering 0 works
  9. 9 Hybrid Renewable Energy Systems Energy Engineering and Power Technology 0 works
  10. 10 Maritime Transport Emissions and Efficiency Environmental Engineering 0 works

How open and international is its research?

Against the world's own shares: the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available32.5%not open67.5%

World: 40% of research is openly available.

with international co-authors38.0%domestic only62.0%

World: 18% is written across borders.

How has Air Liquide (Germany)'s research output changed?

Output in 2022-2025 was 28% lower than in 2018-2021.

still counting200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Air Liquide (Germany) as a percentage of every work published that year, 0.000059% in 2024.

still counting0.000050%0.00010%0.00015%Air Liquide (Germany)0.000037% in 2025200020102020

Fractional works of Air Liquide (Germany) over all fractional works that year. How the balance of science has shifted.

Other research institutions in Düsseldorf

All research institutions in Düsseldorf

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners have tabs of their own, above.

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