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Chemistry
France
2025

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 100 1254 1111 20 17 406 42018

Claude Delmas publications per year

The chart shows the history of publications by Claude Delmas between 1975 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Claude Delmas published across 51 years, from 1975 to 2025, averaging 8.6 papers a year. Output peaked at 23 publications in 2009. 7 of the 438 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1975 to 2025. Vertical axis: number of publications, 0 to 23. Peak 23 publications in 2009. 1975: 3 publications 1976: 5 publications 1977: 2 publications 1978: 5 publications 1979: 5 publications 1980: 5 publications 1981: 9 publications 1982: 4 publications 1983: 4 publications 1984: 8 publications 1985: 2 publications 1986: 5 publications 1987: 5 publications 1988: 9 publications 1989: 7 publications 1990: 12 publications 1991: 8 publications 1992: 13 publications 1993: 9 publications 1994: 11 publications 1995: 7 publications 1996: 12 publications 1997: 7 publications 1998: 5 publications 1999: 10 publications 2000: 22 publications 2001: 13 publications 2002: 14 publications 2003: 18 publications 2004: 13 publications 2005: 7 publications 2006: 7 publications 2007: 13 publications 2008: 13 publications 2009: 23 publications 2010: 16 publications 2011: 17 publications 2012: 9 publications 2013: 11 publications 2014: 8 publications 2015: 7 publications 2016: 6 publications 2017: 5 publications 2018: 7 publications 2019: 3 publications 2020: 8 publications 2021: 10 publications 2022: 6 publications 2023: 3 publications 2024: 3 publications 2025: 4 publications
1975 2025

438 publications in total across all disciplines

View publications per year as a table
Claude Delmas: publications per year, 1975 to 2025
Year Publications
1975 3
1976 5
1977 2
1978 5
1979 5
1980 5
1981 9
1982 4
1983 4
1984 8
1985 2
1986 5
1987 5
1988 9
1989 7
1990 12
1991 8
1992 13
1993 9
1994 11
1995 7
1996 12
1997 7
1998 5
1999 10
2000 22
2001 13
2002 14
2003 18
2004 13
2005 7
2006 7
2007 13
2008 13
2009 23
2010 16
2011 17
2012 9
2013 11
2014 8
2015 7
2016 6
2017 5
2018 7
2019 3
2020 8
2021 10
2022 6
2023 3
2024 3
2025 4
Total 438
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Claude Delmas 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 Claude Delmas 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, 401–420 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: 406 publications — 81st percentile

81% 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
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397 406
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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Claude Delmas 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 Claude Delmas 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, 100–101 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: 100 D-Index — 93rd percentile

93% 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
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
100–101 105 100
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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Research.com Recognitions

  • 2025 - Research.com Chemistry in France Leader Award
  • 2022 - Research.com Chemistry in France Leader Award

Overview

Claude Delmas is affiliated with the Centre national de la recherche scientifique (CNRS) in France. Their research primarily spans the fields of Engineering and Materials Science, with significant focus on subfields such as Electrical and Electronic Engineering, Materials Chemistry, Electronic, Optical and Magnetic Materials, Automotive Engineering, and Mechanical Engineering.

The main topics of Claude Delmas's work include advancements in battery materials, advanced battery materials and technologies, supercapacitor materials and fabrication, advanced battery technologies research, extraction and separation processes, advanced condensed matter physics, and ferroelectric and piezoelectric materials.

Claude Delmas has contributed numerous publications in various scientific venues. Frequent publication venues include ECS Meeting Abstracts, Chemistry of Materials, Inorganic Chemistry, Science, and Advanced Energy Materials.

Some recent papers authored or co-authored by Claude Delmas include:

  • "Rational design of layered oxide materials for sodium-ion batteries," 2020, Science
  • "The Layered Oxides in Lithium and Sodium-Ion Batteries: A Solid-State Chemistry Approach," 2020, Advanced Energy Materials
  • "Understanding all solid-state lithium batteries through in situ transmission electron microscopy," 2020, Materials Today
  • "Topologically protected oxygen redox in a layered manganese oxide cathode for sustainable batteries," 2021, Nature Sustainability
  • "Degradation by Kinking in Layered Cathode Materials," 2021, ACS Energy Letters

The scientist frequently collaborates with others, with common co-authors including Dany Carlier, Marie Guignard, François Fauth, Maxime Blangero, and Nicholas S. Grundish.

Best Publications

  • Structural classification and properties of the layered oxides

    Claude Delmas;Claude Fouassier;Paul Hagenmuller

  • Sodium and Sodium‐Ion Batteries: 50 Years of Research

    Claude Delmas

  • Electrochemical investigation of the P2–NaxCoO2 phase diagram.

    R. Berthelot;D. Carlier;D. Carlier;C. Delmas;C. Delmas

  • Rational design of layered oxide materials for sodium-ion batteries

    Chenglong Zhao;Qidi Wang;Zhenpeng Yao;Jianlin Wang

  • Lithium deintercalation in LiFePO4 nanoparticles via a domino-cascade model

    Claude Delmas;Magalie Maccario;Laurence Croguennec;F. Le Cras

  • Review of the structure and the electrochemistry of nickel hydroxides and oxy-hydroxides

    P. Oliva;J. Leonardi;J.F. Laurent;C. Delmas

  • Electrochemical intercalation of sodium in NaxCoO2 bronzes

    Claude Delmas;Jean-Jacques Braconnier;Claude Fouassier;Paul Hagenmuller

  • Lithium deintercalation in LiFePO4 nanoparticles via a domino-cascademodel

    C. Delmas;M. Maccario;L. Croguennec;F. Le Cras

  • The LixV2O5 system: An overview of the structure modifications induced by the lithium intercalation

    C. Delmas;H. Cognac-Auradou;J.M. Cocciantelli;M. Ménétrier

  • Optimization of the Composition of the Li1 − z Ni1 + z O 2 Electrode Materials: Structural, Magnetic, and Electrochemical Studies

    A. Rougier;P. Gravereau;C. Delmas

  • Electron Transfer Mechanisms upon Lithium Deintercalation from LiCoO2 to CoO2 Investigated by XPS

    Laurence Dahéron;R. Dedryvère;Hervé Martinez;Michel Ménétrier

  • The insulator-metal transition upon lithium deintercalation from LiCoO2: electronic properties and 7Li NMR study

    Michel Ménétrier;Ismael Saadoune;Stéphane Levasseur;Claude Delmas

  • P2-NaxVO2 system as electrodes for batteries and electron-correlated materials

    Marie Guignard;Christophe Didier;Jacques Darriet;Pierre Bordet

  • Electrochemical intercalation and deintercalation of NaxMnO2 bronzes

    A. Mendiboure;Claude Delmas;Paul Hagenmuller

  • Reversible Oxygen Participation to the Redox Processes Revealed for Li1.20Mn0.54Co0.13Ni0.13O2

    Hideyuki Koga;Hideyuki Koga;Laurence Croguennec;Michel Ménétrier;Kaïs Douhil

  • Electrochemical and physical properties of the LixNi1$minus;yCoyO2 phases

    C. Delmas;I. Saadoune

  • Effect of cobalt substitution on cationic distribution in LiNi1 − y CoyO2 electrode materials

    A. Rougier;I. Saadoune;P. Gravereau;P. Willmann

  • Different oxygen redox participation for bulk and surface: A possible global explanation for the cycling mechanism of Li1.20Mn0.54Co0.13Ni0.13O2

    Hideyuki Koga;Hideyuki Koga;Laurence Croguennec;Michel Ménétrier;Philippe Mannessiez

  • An Overview of the Li(Ni,M)O2 Systems: Syntheses, Structures and Properties

    C Delmas;C Delmas;M Ménétrier;M Ménétrier;L Croguennec;L Croguennec;I Saadoune;I Saadoune

  • A new variety of LiMnO2 with a layered structure

    F. Capitaine;P. Gravereau;C. Delmas

Frequent Co-Authors

Laurence Croguennec
Laurence Croguennec Centre national de la recherche scientifique, CNRS
Dany Carlier
Dany Carlier Centre national de la recherche scientifique, CNRS
Paul Hagenmuller
Paul Hagenmuller University of Bordeaux
M. Ménétrier
M. Ménétrier Centre national de la recherche scientifique, CNRS
G. Le Flem
G. Le Flem University of Bordeaux
Radostina Stoyanova
Radostina Stoyanova Bulgarian Academy of Sciences
Emmanuelle Suard
Emmanuelle Suard Institut Laue-Langevin
Bing-Joe Hwang
Bing-Joe Hwang National Taiwan University of Science and Technology
Gerbrand Ceder
Gerbrand Ceder University of California, Berkeley

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