Science Explorer Back to mapMap
Discussion
Topic · Biomedical Engineering

Chemical Looping and Thermochemical Processes

Chemical Looping and Thermochemical Processes is a research topic within Biomedical Engineering. Science Explorer counts 12k research works in it since 1954. 9.9% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on advancements in chemical-looping technologies, including chemical-looping combustion, solar thermochemical production, CO2 capture, oxygen carriers, hydrogen production, thermochemical cycles, high-temperature solar chemistry, sorption-enhanced reforming, and the use of solid fuels. These papers contribute to the development of more efficient and sustainable processes for energy production and carbon capture.

  • Chemical-Looping Combustion
  • Solar Thermochemical Production
  • CO2 Capture
  • Oxygen Carriers
  • Hydrogen Production
  • Thermochemical Cycles
  • High-Temperature Solar Chemistry
  • Sorption-Enhanced Reforming
  • Solid Fuels
  • Redox Reactions
Research works
12k
fractional, since 1954
In the world top 10%
1.2k
per year above
Top-10% rate
9.9%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+49%
the tick is no change
Largest producer
China
57% of the 10 largest, 2022-now
Chemical Looping and Thermochemical Processes

Which countries lead Chemical Looping and Thermochemical Processes research?

By volume, China and the United States publish the most (1.8k and 347 works in 2022-now).

By volume, 2022-now

  1. 1 China 1.8k works
  2. 2 United States 347 works
  3. 3 India 185 works
  4. 4 South Korea 141 works
  5. 5 Germany 137 works
  6. 6 United Kingdom 136 works
  7. 7 Japan 122 works
  8. 8 Spain 119 works
  9. 9 Italy 109 works
  10. 10 Canada 101 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

China: 56.8%United States: 10.7%India: 5.7%South Korea: 4.4%6 others listed: 22.4%57%largest
China1,837 · 56.8%United States347 · 10.7%India185 · 5.7%South Korea141 · 4.4%6 others listed724 · 22.4%

Shares of the rows listed above, not of the whole node.

Which institutions lead Chemical Looping and Thermochemical Processes research?

By volume in 2022-now, Chinese Academy of Sciences publishes the most Chemical Looping and Thermochemical Processes research, followed by Huazhong University of Science and Technology and Xi'an Jiaotong University.

By volume, 2022-now

  1. 1 Chinese Academy of SciencesChina 117 works
  2. 2 Huazhong University of Science and TechnologyChina 72 works
  3. 3 Xi'an Jiaotong UniversityChina 68 works
  4. 4 Southeast UniversityChina 53 works
  5. 5 Tsinghua UniversityChina 45 works
  6. 6 Consejo Superior de Investigaciones CientíficasSpain 44 works
  7. 7 Zhejiang UniversityChina 42 works
  8. 8 North China Electric Power UniversityChina 42 works
  9. 9 Helmholtz Association of German Research CentresGermany 42 works
  10. 10 Centre National de la Recherche ScientifiqueFrance 39 works

Who are the leading researchers in Chemical Looping and Thermochemical Processes?

The most-cited researchers publishing on Chemical Looping and Thermochemical Processes include Kai You Wang, Edward Hartley Sargent and John Bannister Goodenough.

  1. 1 Kai You Wang China 224k citations
  2. 2 Edward Hartley Sargent Canada 185k citations
  3. 3 John Bannister Goodenough United States 175k citations
  4. 4 Han Zhang China 161k citations
  5. 5 Huan Liu Australia 148k citations
  6. 6 Zhuang Liu China 142k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

What are the most cited papers in Chemical Looping and Thermochemical Processes?

The most cited paper in Chemical Looping and Thermochemical Processes is "Sustainable Hydrogen Production" (John A. A. Turner, 2004), with 6,560 citations. Next come "A comparative overview of hydrogen production processes" (3,220) and "An overview of current status of carbon dioxide capture and storage technologies" (3,217).

Most cited papers
#PaperReleasedCitations
1 Sustainable Hydrogen Production John A. A. Turner · Science 13 Aug 2004 6,560
2 A comparative overview of hydrogen production processes Pavlos Nikolaidis, Andreas Poullikkas · Renewable and Sustainable Energy Reviews 18 Sep 2016 3,220
3 An overview of current status of carbon dioxide capture and storage technologies Dennis Y.C. Leung, Giorgio Caramanna, M. Mercedes Maroto‐Valer · Renewable and Sustainable Energy Reviews Open access Aug 2014 3,217
4 Review and evaluation of hydrogen production methods for better sustainability İbrahim Dinçer, Canan Acar · International Journal of Hydrogen Energy 8 Jan 2015 2,621
5 Proton-Conducting Oxides Klaus‐Dieter Kreuer · Annual Review of Materials Research Review 2 Jul 2003 2,402
All 100 most cited papers, with filters and sorting

Where is Chemical Looping and Thermochemical Processes research done?

The largest centres of Chemical Looping and Thermochemical Processes research in 2022-now are Beijing (China), Nanjing (China), Wuhan (China) and Xi'an (China). Among places with at least 20 works in it, it is an unusually large share of all research in Zaragoza.

Largest cities, 2022-now

  1. 1 BeijingChina 362 works
  2. 2 NanjingChina 141 works
  3. 3 WuhanChina 116 works
  4. 4 Xi'anChina 106 works
  5. 5 ShanghaiChina 87 works
  6. 6 GuangzhouChina 61 works
  7. 7 HangzhouChina 58 works
  8. 8 SeoulSouth Korea 54 works
  9. 9 TaiyuanChina 50 works
  10. 10 QingdaoChina 44 works

Where it is the local speciality

  1. ZaragozaES · 29.9 works12×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Chemical Looping and Thermochemical Processes than the world average.

See Chemical Looping and Thermochemical Processes on the map

Where is the best place to study Chemical Looping and Thermochemical Processes?

Among universities, judged by research, Huazhong University of Science and Technology, King Fahd University of Petroleum and Minerals and Xi'an Jiaotong University score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%10%20%30%mean 16.65%fractional works in this field (log) →share of work in the world top 10% →King Fahd University…Technical University…Huazhong University …Xi'an Jiaotong Unive…
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1Huazhong University of Science and TechnologyChina 70.411.6%10.6×72 +39.5%
2King Fahd University of Petroleum and MineralsSaudi Arabia 67.222.2%11.5×15 +268.6%
3Xi'an Jiaotong UniversityChina 67.010.3%10.3×68 +196.0%
4Technical University of DenmarkDenmark 66.716.9%9.2×18 +32.1%
5China University of Mining and TechnologyChina 65.216.6%10.9×32 +73.1%
6Southeast UniversityChina 64.112.1%9.5×53 +13.8%
7Nanyang Technological UniversitySingapore 62.121.6%3.7×11 +70.8%
8Huazhong Agricultural UniversityChina 60.725.1%6.5×8 +175.7%
9Tsinghua UniversityChina 59.912.6%5.2×45 +35.5%
10Tianjin UniversityChina 56.617.5%4.4×20 +9.4%

Universities only. The score blends excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in Chemical Looping and Thermochemical Processes, country by country

Is Chemical Looping and Thermochemical Processes research growing?

Output in 2022-2025 was 49% higher than in 2018-2021, peaking in 2026. The fastest-growing topics are Chemical Looping and Thermochemical Processes.

still counting19801990200020102020
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 Chemical Looping and Thermochemical Processes as a percentage of every work published that year, 0.013% in 2024.

still counting0.010%0.020%0.030%Chemical Looping and Thermochemical Processes0.021% in 202519801990200020102020

Fractional works of Chemical Looping and Thermochemical Processes over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year.

still counting5%10%15%Chemical Looping and Thermochemical Processes9.8% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

Discussion

Ask a question or share a note about Chemical Looping and Thermochemical Processes. Posts are plain text and can be reported.