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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 70 5728 5199 1761 1464 309 33237

Piotr Zelenay publications per year

The chart shows the history of publications by Piotr Zelenay between 1977 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Piotr Zelenay published across 49 years, from 1977 to 2025, averaging 6.8 papers a year. Output peaked at 20 publications in 2024. 34 of the 335 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1977 to 2025. Vertical axis: number of publications, 0 to 20. Peak 20 publications in 2024. 1977: 1 publication 1978: 1 publication 1979: 1 publication 1980: 0 publications 1981: 1 publication 1982: 1 publication 1983: 0 publications 1984: 3 publications 1985: 0 publications 1986: 3 publications 1987: 3 publications 1988: 1 publication 1989: 0 publications 1990: 3 publications 1991: 4 publications 1992: 4 publications 1993: 3 publications 1994: 2 publications 1995: 2 publications 1996: 1 publication 1997: 0 publications 1998: 6 publications 1999: 2 publications 2000: 2 publications 2001: 2 publications 2002: 6 publications 2003: 1 publication 2004: 2 publications 2005: 0 publications 2006: 14 publications 2007: 6 publications 2008: 7 publications 2009: 7 publications 2010: 10 publications 2011: 19 publications 2012: 10 publications 2013: 19 publications 2014: 17 publications 2015: 17 publications 2016: 19 publications 2017: 18 publications 2018: 10 publications 2019: 16 publications 2020: 16 publications 2021: 13 publications 2022: 13 publications 2023: 15 publications 2024: 20 publications 2025: 14 publications
1977 2025

335 publications in total across all disciplines

View publications per year as a table
Piotr Zelenay: publications per year, 1977 to 2025
Year Publications
1977 1
1978 1
1979 1
1980 0
1981 1
1982 1
1983 0
1984 3
1985 0
1986 3
1987 3
1988 1
1989 0
1990 3
1991 4
1992 4
1993 3
1994 2
1995 2
1996 1
1997 0
1998 6
1999 2
2000 2
2001 2
2002 6
2003 1
2004 2
2005 0
2006 14
2007 6
2008 7
2009 7
2010 10
2011 19
2012 10
2013 19
2014 17
2015 17
2016 19
2017 18
2018 10
2019 16
2020 16
2021 13
2022 13
2023 15
2024 20
2025 14
Total 335
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Piotr Zelenay publications per year - data summary

  • Piotr Zelenay, a Chemistry scholar from Los Alamos National Laboratory, has 335 publications recorded across 49 years, from 1977 to 2025.
  • The oldest publication on record dates to 1977 and the most recent to 2025.
  • The most productive year is 2024, with 20 publications.
  • The least productive years with any output are 1977, 1978, 1979, 1981 and others, with 1 publication each.
  • 6 of the 49 years in the span carry no publications at all (1980, 1983, 1985, 1989 and others).
  • The rate of publication averages 6.8 papers per year over the whole span, or 7.8 per year counting only the 43 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 75 publications, 22% of the career total.
  • Split into equal eras - 1977-1993: 29 publications (1.7 per year); 1994-2010: 70 publications (4.1 per year); 2011-2025: 236 publications (15.7 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Piotr Zelenay publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Piotr Zelenay sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 301–320 publications, is where this scientist sits. 61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61–80 publications 1,295+

This scientist: 309 publications — 65th percentile

65% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281
221–240 1,216
241–260 1,100
261–280 979
281–300 939
301–320 764 309
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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Piotr Zelenay publication distribution in Chemistry in 2026 - data summary

  • The chart plots the publication count of all 17,934 Chemistry scientists ranked by Research.com in 2026, grouped into 63 ranges running from 61–80 to 1,295+ publications.
  • Piotr Zelenay, a Chemistry scholar from Los Alamos National Laboratory, records 309 publications - the 65th percentile of the discipline.
  • 65% of ranked Chemistry scientists score the same or lower than Piotr Zelenay, and about 35% score higher.
  • The median of the discipline falls in the 241–260 publications range, and Piotr Zelenay ranks above the median.
  • The most crowded range is 161–180 publications, holding 1,350 scientists (8% of the field).
  • 77% of the field sits in the lowest quarter of the value range (up to 361–380 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 1,295 publications or more, 100 scientists in all (<1% of the field).

Piotr Zelenay D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Piotr Zelenay sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 70–71 D-Index, is where this scientist sits. 40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40–41 D-Index 159+

This scientist: 70 D-Index — 68th percentile

68% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646 70
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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Piotr Zelenay D-index placement in Chemistry in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 17,934 Chemistry scientists ranked by Research.com in 2026, grouped into 61 ranges running from 40–41 to 159+ D-Index.
  • Piotr Zelenay, a Chemistry scholar from Los Alamos National Laboratory, records 70 D-Index - the 68th percentile of the discipline.
  • 68% of ranked Chemistry scientists score the same or lower than Piotr Zelenay, and about 32% score higher.
  • The median of the discipline falls in the 62–63 D-Index range, and Piotr Zelenay ranks above the median.
  • The most crowded range is 56–57 D-Index, holding 1,051 scientists (6% of the field).
  • 70% of the field sits in the lowest quarter of the value range (up to 70–71 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 159 D-Index or more, 98 scientists in all (<1% of the field).

Overview

Piotr Zelenay is a researcher affiliated with the Los Alamos National Laboratory in the United States. Their work predominantly lies at the intersection of engineering and energy, with a strong focus on electrical and electronic engineering as well as renewable energy, sustainability, and materials chemistry.

The scientist's research portfolio spans several interconnected subfields, including electrochemistry and catalysis. Their contributions revolve around topics such as electrocatalysts for energy conversion, fuel cells and related materials, advanced battery technologies, electrochemical analysis, CO2 reduction techniques, catalytic processes in materials science, and the application of machine learning within materials science.

Zelenay has published extensively in a variety of academic venues. Notable frequent publication places include ECS Meeting Abstracts, where they have contributed 38 publications, Journal of Power Sources with 6 publications, ACS Catalysis and Nature Catalysis with 4 and 3 publications respectively, and Current Opinion in Electrochemistry with 3 publications.

Among recent papers authored or co-authored by Zelenay are:

  • Performance enhancement and degradation mechanism identification of a single-atom Co-N-C catalyst for proton exchange membrane fuel cells, 2020, Nature Catalysis
  • Electrocatalysis in Alkaline Media and Alkaline Membrane-Based Energy Technologies, 2022, Chemical Reviews
  • Acid Stability and Demetalation of PGM-Free ORR Electrocatalyst Structures from Density Functional Theory: A Model for "Single-Atom Catalyst" Dissolution, 2020, ACS Catalysis
  • Quantifying the electrochemical active site density of precious metal-free catalysts in situ in fuel cells, 2022, Nature Catalysis
  • Preparation of Nonprecious Metal Electrocatalysts for the Reduction of Oxygen Using a Low-Temperature Sacrificial Metal, 2020, Journal of the American Chemical Society

Frequent collaborators in Zelenay's research include Hanguang Zhang, Luigi Osmieri, Deborah J. Myers, Edward F. Holby, and David A. Cullen, with co-authorship counts ranging from 19 to 25 publications each. This network reflects a collaborative approach across multiple high-impact studies.

Best Publications

  • High-Performance Electrocatalysts for Oxygen Reduction Derived from Polyaniline, Iron, and Cobalt

    Gang Wu;Karren Leslie More;Christina Johnston;Piotr Zelenay

  • Scientific aspects of polymer electrolyte fuel cell durability and degradation.

    Rodney Borup;Jeremy Meyers;Bryan Pivovar;Yu Seung Kim

  • A class of non-precious metal composite catalysts for fuel cells

    Rajesh Bashyam;Piotr Zelenay

  • Recent advances in non-precious metal catalysis for oxygen-reduction reaction in polymer electrolyte fuel cells

    Frédéric Jaouen;Eric Proietti;Michel Lefèvre;Régis Chenitz

  • Direct atomic-level insight into the active sites of a high-performance PGM-free ORR catalyst.

    Hoon T. Chung;David A. Cullen;Drew Higgins;Brian T. Sneed

  • Nanostructured Nonprecious Metal Catalysts for Oxygen Reduction Reaction

    Gang Wu;Piotr Zelenay

  • Recent advances in direct methanol fuel cells at Los Alamos National Laboratory

    Xiaoming Ren;Piotr Zelenay;Sharon Thomas;John Davey

  • Active and stable carbon nanotube/nanoparticle composite electrocatalyst for oxygen reduction

    Hoon T. Chung;Jong H. Won;Piotr Zelenay

  • Anion exchange membrane fuel cells: Current status and remaining challenges

    Shimshon Gottesfeld;Dario R. Dekel;Miles Page;Chulsung Bae

  • Performance enhancement and degradation mechanism identification of a single-atom Co–N–C catalyst for proton exchange membrane fuel cells

    Xiaohong Xie;Cheng He;Boyang Li;Yanghua He

  • Experimental Observation of Redox-Induced Fe–N Switching Behavior as a Determinant Role for Oxygen Reduction Activity

    Qingying Jia;Qingying Jia;Nagappan Ramaswamy;Nagappan Ramaswamy;Hasnain Hafiz;Hasnain Hafiz;Urszula Tylus;Urszula Tylus

  • Synthesis–structure–performance correlation for polyaniline–Me–C non-precious metal cathode catalysts for oxygen reduction in fuel cells

    Gang Wu;Christina M. Johnston;Nathan H. Mack;Kateryna Artyushkova

  • High-performance fuel cell cathodes exclusively containing atomically dispersed iron active sites

    Hanguang Zhang;Hoon T. Chung;David A. Cullen;Stephan Wagner

  • Nitrogen-Doped Graphene-Rich Catalysts Derived from Heteroatom Polymers for Oxygen Reduction in Nonaqueous Lithium–O2 Battery Cathodes

    Gang Wu;Nathan H. Mack;Wei Gao;Shuguo Ma

  • PGM-Free Cathode Catalysts for PEM Fuel Cells: A Mini-Review on Stability Challenges

    Yuyan Shao;Jean-Pol Dodelet;Gang Wu;Piotr Zelenay

  • Progress in the Development of Fe-Based PGM-Free Electrocatalysts for the Oxygen Reduction Reaction

    Ulises Martinez;Siddharth Komini Babu;Edward F. Holby;Hoon T. Chung

  • Multitechnique Characterization of a Polyaniline–Iron–Carbon Oxygen Reduction Catalyst

    Magali Ferrandon;A. Jeremy Kropf;Deborah J. Myers;Kateryna Artyushkova

  • Electrocatalysis in direct methanol fuel cells: in-situ probing of PtRu anode catalyst surfaces

    Huyen N Dinh;Xiaoming Ren;Fernando H Garzon;Piotr Zelenay

  • Ruthenium Crossover in Direct Methanol Fuel Cell with Pt-Ru Black Anode

    Piotr Piela;Christian Eickes;Eric Brosha;Fernando Garzon

  • Direct methanol fuel cells: progress in cell performance and cathode research

    Sharon C Thomas;Xiaoming Ren;Shimshon Gottesfeld;Piotr Zelenay

Frequent Co-Authors

Gang Wu
Gang Wu Washington University in St. Louis
Karren L. More
Karren L. More Oak Ridge National Laboratory
David A. Cullen
David A. Cullen Oak Ridge National Laboratory
Deborah J. Myers
Deborah J. Myers Argonne National Laboratory
Andrzej Wieckowski
Andrzej Wieckowski University of Illinois at Urbana-Champaign
Qing Li
Qing Li Huazhong University of Science and Technology
Yu Seung Kim
Yu Seung Kim Los Alamos National Laboratory
Kateryna Artyushkova
Kateryna Artyushkova Physical Electronics, Inc.
Rangachary Mukundan
Rangachary Mukundan Los Alamos National Laboratory
Aditya D. Mohite
Aditya D. Mohite Rice University

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