J.A. Calles

4.6k total citations · 1 hit paper
76 papers, 3.7k citations indexed

About

J.A. Calles is a scholar working on Catalysis, Materials Chemistry and Mechanical Engineering. According to data from OpenAlex, J.A. Calles has authored 76 papers receiving a total of 3.7k indexed citations (citations by other indexed papers that have themselves been cited), including 54 papers in Catalysis, 46 papers in Materials Chemistry and 36 papers in Mechanical Engineering. Recurrent topics in J.A. Calles's work include Catalysts for Methane Reforming (47 papers), Catalytic Processes in Materials Science (36 papers) and Catalysis and Hydrodesulfurization Studies (27 papers). J.A. Calles is often cited by papers focused on Catalysts for Methane Reforming (47 papers), Catalytic Processes in Materials Science (36 papers) and Catalysis and Hydrodesulfurization Studies (27 papers). J.A. Calles collaborates with scholars based in Spain, Italy and Portugal. J.A. Calles's co-authors include Arturo J. Vizcaíno, A. Carrero, Pedro J. Megía, D. Alique, R. Sanz, David Martinez-Diaz, Guillermo Calleja, Laura Furones, M.D. Romero and J. L. Pau and has published in prestigious journals such as Journal of Cleaner Production, Chemical Engineering Journal and International Journal of Molecular Sciences.

In The Last Decade

J.A. Calles

71 papers receiving 3.6k citations

Hit Papers

Hydrogen Production Technologies: From Fossil Fuels towar... 2021 2026 2022 2024 2021 200 400 600
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Hydrogen Production Technologies: From Fossil Fuels toward Renewable Sources. A Mini Review
    2021 745 citations Pedro J. Megía, Arturo J. Vizcaíno et al. Energy & Fuels profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
J.A. Calles Spain 31 2.2k 2.0k 1.5k 975 669 76 3.7k
Raffaele Pirone Italy 38 3.1k 1.4× 2.6k 1.3× 1.1k 0.7× 756 0.8× 663 1.0× 125 4.2k
A. Carrero Spain 30 2.0k 0.9× 1.7k 0.8× 1.1k 0.8× 873 0.9× 600 0.9× 68 3.4k
Adolfo Iulianelli Italy 37 2.2k 1.0× 2.7k 1.3× 1.8k 1.2× 1.1k 1.1× 813 1.2× 115 4.4k
Gunther Kolb Germany 36 2.6k 1.2× 2.5k 1.2× 1.1k 0.8× 1.3k 1.3× 805 1.2× 120 4.2k
Zhenglong Li China 35 1.9k 0.9× 1.1k 0.6× 806 0.5× 1.2k 1.2× 932 1.4× 125 4.0k
Zhao Sun China 35 1.5k 0.7× 1.2k 0.6× 1.2k 0.8× 1.5k 1.6× 537 0.8× 115 3.3k
Tiansheng Zhao China 33 2.4k 1.1× 2.2k 1.1× 939 0.6× 692 0.7× 817 1.2× 172 3.9k
Kevin J. Smith Canada 46 3.3k 1.5× 2.1k 1.1× 2.2k 1.5× 1.4k 1.4× 931 1.4× 145 5.2k
Kwan-Young Lee South Korea 39 2.4k 1.1× 1.5k 0.8× 1.6k 1.1× 1.6k 1.7× 1.2k 1.7× 137 4.6k
Juan A. Botas Spain 35 2.2k 1.0× 959 0.5× 994 0.7× 933 1.0× 514 0.8× 83 3.8k

Countries citing papers authored by J.A. Calles

Since Specialization
Citations

This map shows the geographic impact of J.A. Calles's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by J.A. Calles with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites J.A. Calles more than expected).

Fields of papers citing papers by J.A. Calles

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by J.A. Calles. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by J.A. Calles. The network helps show where J.A. Calles may publish in the future.

Co-authorship network of co-authors of J.A. Calles

This figure shows the co-authorship network connecting the top 25 collaborators of J.A. Calles. A scholar is included among the top collaborators of J.A. Calles based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with J.A. Calles. J.A. Calles is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
2.
Alique, D., Gregorio Molina, M. Maroño, et al.. (2025). Green hydrogen production by brewery spent grain valorization through gasification and membrane separation towards fuel-cell grade purity. International Journal of Hydrogen Energy. 142. 9–25.
3.
Vizcaíno, Arturo J., et al.. (2025). Continuous flowing electroless pore-plating to fabricate H2-Selective Pd-Membranes. Separation and Purification Technology. 377. 134508–134508.
4.
Vizcaíno, Arturo J., et al.. (2024). Study of Mesostructured CeO2 Synthesis via Nanocasting Using SBA-15 as a Template: Influence of the Cerium Precursor. International Journal of Molecular Sciences. 25(23). 13016–13016. 2 indexed citations
5.
Alique, D., Pedro Leo, David Martinez-Diaz, J.A. Calles, & R. Sanz. (2023). Environmental and cost assessments criteria for selection of promising palladium membranes fabrication strategies. International Journal of Hydrogen Energy. 51. 302–319. 7 indexed citations
6.
Uriarte, Natalia, M.A. Soria, Luı́s M. Madeira, et al.. (2023). Effect of ceria particle size as intermediate layer for preparation of composite Pd-membranes by electroless pore-plating onto porous stainless-steel supports. Separation and Purification Technology. 327. 124932–124932. 10 indexed citations
7.
Megía, Pedro J., et al.. (2023). Oxidative steam reforming of acetic acid on Ni catalysts: Influence of the La promotion on mesostructured supports. International Journal of Hydrogen Energy. 52. 1136–1145. 10 indexed citations
8.
9.
Megía, Pedro J., Arturo J. Vizcaíno, J.A. Calles, & A. Carrero. (2021). Hydrogen Production Technologies: From Fossil Fuels toward Renewable Sources. A Mini Review. Energy & Fuels. 35(20). 16403–16415. 745 indexed citations breakdown →
10.
Cortese, Marta, Concetta Ruocco, Vincenzo Palma, et al.. (2021). On the Support Effect and the Cr Promotion of Co Based Catalysts for the Acetic Acid Steam Reforming. Catalysts. 11(1). 133–133. 8 indexed citations
11.
Calles, J.A., et al.. (2020). Application of escape lab-room to heat transfer evaluation for chemical engineers. Education for Chemical Engineers. 33. 9–16. 32 indexed citations
12.
Alique, D., Giacomo Bruni, R. Sanz, J.A. Calles, & Silvano Tosti. (2020). Ultra-Pure Hydrogen via Co-Valorization of Olive Mill Wastewater and Bioethanol in Pd-Membrane Reactors. Processes. 8(2). 219–219. 18 indexed citations
13.
Megía, Pedro J., J.A. Calles, A. Carrero, & Arturo J. Vizcaíno. (2020). Effect of the incorporation of reducibility promoters (Cu, Ce, Ag) in Co/ CaSBA ‐15 catalysts for acetic acid steam reforming. International Journal of Energy Research. 45(2). 1685–1702. 11 indexed citations
14.
Alique, D., et al.. (2020). Pre-activation of SBA-15 intermediate barriers with Pd nuclei to increase thermal and mechanical resistances of pore-plated Pd-membranes. International Journal of Hydrogen Energy. 46(38). 20198–20212. 12 indexed citations
15.
Martinez-Diaz, David, R. Sanz, A. Carrero, J.A. Calles, & D. Alique. (2020). Effective H2 Separation through Electroless Pore-Plated Pd Membranes Containing Graphite Lead Barriers. Membranes. 10(12). 410–410. 8 indexed citations
16.
Calles, J.A., A. Carrero, Arturo J. Vizcaíno, & Pedro J. Megía. (2019). Agglomerated Co–Cr/SBA-15 catalysts for hydrogen production through acetic acid steam reforming. International Journal of Hydrogen Energy. 45(32). 15941–15950. 17 indexed citations
17.
18.
Calles, J.A., et al.. (2015). Effect of Ce and Zr Addition to Ni/SiO2 Catalysts for Hydrogen Production through Ethanol Steam Reforming. Catalysts. 5(1). 58–76. 36 indexed citations
19.
Calles, J.A., R. Sanz, D. Alique, & Laura Furones. (2014). Thermal stability and effect of typical water gas shift reactant composition on H2 permeability through a Pd-YSZ-PSS composite membrane. International Journal of Hydrogen Energy. 39(3). 1398–1409. 29 indexed citations
20.
Calles, J.A., Thomas Grube, R. Sanz, Detlef Stolten, & D. Alique. (2010). Comparison of Composite Pd-Ag and Pd-Cu Membranes over PSS Supports for Hydrogen Separation. JuSER (Forschungszentrum Jülich). 2 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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