Takayuki Ichikawa

10.4k total citations · 1 hit paper
322 papers, 8.7k citations indexed

About

Takayuki Ichikawa is a scholar working on Materials Chemistry, Catalysis and Energy Engineering and Power Technology. According to data from OpenAlex, Takayuki Ichikawa has authored 322 papers receiving a total of 8.7k indexed citations (citations by other indexed papers that have themselves been cited), including 251 papers in Materials Chemistry, 152 papers in Catalysis and 83 papers in Energy Engineering and Power Technology. Recurrent topics in Takayuki Ichikawa's work include Hydrogen Storage and Materials (215 papers), Ammonia Synthesis and Nitrogen Reduction (147 papers) and Hybrid Renewable Energy Systems (83 papers). Takayuki Ichikawa is often cited by papers focused on Hydrogen Storage and Materials (215 papers), Ammonia Synthesis and Nitrogen Reduction (147 papers) and Hybrid Renewable Energy Systems (83 papers). Takayuki Ichikawa collaborates with scholars based in Japan, India and China. Takayuki Ichikawa's co-authors include Hironobu Fujii, Nobuko Hanada, Yoshitsugu Kojima, Hiroki Miyaoka, Shigehito Isobe, Satoshi Hino, Ankur Jain, Haiyan Leng, H. Fujii and Sanjay Kumar and has published in prestigious journals such as Physical Review Letters, The Journal of Chemical Physics and SHILAP Revista de lepidopterología.

In The Last Decade

Takayuki Ichikawa

317 papers receiving 8.5k citations

Hit Papers

align trajectories

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.

Catalytic Effect of Nanoparticle 3d-Transition Metals on Hydrogen Storage Properties in Magnesium Hydride MgH₂ Prepared by Mechanical Milling

2005 512 citations Takayuki Ichikawa, Hironobu Fujii et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Takayuki Ichikawa Japan	50	6.8k	4.3k	2.5k	1.9k	700	322	8.7k
V.A. Yartys Norway	48	6.9k 1.0×	2.9k 0.7×	1.9k 0.8×	986 0.5×	1.3k 1.8×	232	7.9k
Etsuo Akiba Japan	57	9.0k 1.3×	3.4k 0.8×	2.1k 0.8×	1.3k 0.7×	1.2k 1.7×	278	10.7k
Andreas Borgschulte Switzerland	42	5.0k 0.7×	2.3k 0.5×	1.1k 0.4×	1.1k 0.6×	1.1k 1.5×	171	6.7k
Martin Dornheim Germany	50	8.5k 1.3×	4.8k 1.1×	3.2k 1.3×	671 0.3×	2.3k 3.3×	201	9.0k
John J. Vajo United States	33	3.7k 0.5×	1.6k 0.4×	999 0.4×	1.3k 0.7×	765 1.1×	92	5.0k
Marcello Baricco Italy	39	3.7k 0.5×	1.1k 0.3×	752 0.3×	880 0.5×	777 1.1×	334	5.4k
Donald J. Siegel United States	57	5.9k 0.9×	971 0.2×	776 0.3×	6.3k 3.3×	286 0.4×	124	11.4k
Michel L. Trudeau Canada	46	4.3k 0.6×	651 0.2×	546 0.2×	3.1k 1.6×	545 0.8×	207	7.6k
Toyoto Sato Japan	38	3.3k 0.5×	777 0.2×	265 0.1×	1.3k 0.7×	757 1.1×	147	4.5k
Syo Matsumura Japan	44	4.8k 0.7×	1.4k 0.3×	115 0.0×	2.2k 1.2×	214 0.3×	204	7.6k

Countries citing papers authored by Takayuki Ichikawa

Since Specialization

Citations

This map shows the geographic impact of Takayuki Ichikawa'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 Takayuki Ichikawa with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Takayuki Ichikawa more than expected).

Fields of papers citing papers by Takayuki Ichikawa

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Takayuki Ichikawa. 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 Takayuki Ichikawa. The network helps show where Takayuki Ichikawa may publish in the future.

Co-authorship network of co-authors of Takayuki Ichikawa

This figure shows the co-authorship network connecting the top 25 collaborators of Takayuki Ichikawa. A scholar is included among the top collaborators of Takayuki Ichikawa 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 Takayuki Ichikawa. Takayuki Ichikawa is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Ichikawa, Takayuki, et al.. (2025). Hydrogen generation from coupled methanol steam reforming with metal hydride hydrolysis: Effects of metal catalysts and hydrides. International Journal of Hydrogen Energy. 102. 29–36. 1 indexed citations

Jain, Ankur, et al.. (2025). Exploring the cycling solid-state hydrogen storage performance in lithium Hydride-Porous silicon composite. Chemical Engineering Journal. 512. 162492–162492. 2 indexed citations

Khandelwal, Priya, Shivani Agarwal, Fateh Singh Gill, et al.. (2024). Core-shell structured Ni@C based additive for magnesium hydride system towards efficient hydrogen sorption kinetics. International Journal of Hydrogen Energy. 107. 74–82. 4 indexed citations

Jain, Ankur, et al.. (2023). Degradation and recovery properties in thermochemical hydrogen compression by using TiFe alloy. International Journal of Hydrogen Energy. 48(90). 35164–35169. 5 indexed citations

Shinzato, Keita, et al.. (2023). Systematic study on catalysis of group 4–6 element oxide for magnesium hydride. Journal of Alloys and Compounds. 960. 170630–170630. 8 indexed citations

Wang, Yufeng, et al.. (2023). Hydrogen carrier by ammonia borane-ammonia system with low-vapor pressure. International Journal of Hydrogen Energy. 48(70). 27298–27303. 1 indexed citations

Shinzato, Keita, Shotaro Yamaguchi, Kiyotaka Goshome, et al.. (2023). Semi-empirical degradation rate estimation of TiFe1-Mn alloy for thermochemical hydrogen compression durability tests. International Journal of Hydrogen Energy. 49. 11–18. 5 indexed citations

Shinzato, Keita, et al.. (2022). Catalysis of Sodium Alloys for Ammonia Synthesis around Atmospheric Pressure. ACS Applied Energy Materials. 5(12). 15282–15289. 4 indexed citations

Yadav, Nisha, N. Srinivasa Rao, Fouran Singh, et al.. (2021). Structural and Morphological Modifications Induced by Fe Ion Implantation in Sb₂Te₃ Thin Films. Macromolecular Symposia. 399(1). 3 indexed citations

10.

Shinzato, Keita, Toru Murayama, Masahiro Sadakane, et al.. (2021). Catalytic Activities of Various Niobium Oxides for Hydrogen Absorption/Desorption Reactions of Magnesium. ACS Omega. 6(36). 23564–23569. 11 indexed citations

11.

Hernández-Guerrero, Abel, et al.. (2021). Enhanced performance of MgH2 composite electrode using glass-ceramic electrolytes for all-solid-state Li-ion batteries. Journal of Alloys and Compounds. 863. 158729–158729. 9 indexed citations

12.

Hernández-Guerrero, Abel, et al.. (2020). High capacity MgH2 composite electrodes for all-solid-state Li-ion battery operating at ambient temperature. International Journal of Hydrogen Energy. 46(1). 1030–1037. 12 indexed citations

13.

Shinzato, Keita, Ratna Balgis, Takashi Ogi, et al.. (2020). Effective Factor on Catalysis of Niobium Oxide for Magnesium. ACS Omega. 5(34). 21906–21912. 11 indexed citations

14.

Tamura, Akihiro, Nobuyuki Yamamoto, Takayuki Ichikawa, et al.. (2019). Pazopanib maintenance therapy after tandem high-dose chemotherapy for disseminated Ewing sarcoma. International Cancer Conference Journal. 8(3). 95–100. 10 indexed citations

15.

Miyaoka, Hiroki, et al.. (2018). Highly purified hydrogen production from ammonia for PEM fuel cell. International Journal of Hydrogen Energy. 43(31). 14486–14492. 94 indexed citations

16.

Miyaoka, Hiroki, et al.. (2013). Catalytic Effect of Niobium Oxide on Hydrogen Absorption and Desorption Process for Magnesium. Journal of the Japan Institute of Metals and Materials. 77(12). 636–640. 1 indexed citations

17.

Hasegawa, Takumi, Norio Ogita, Masayuki Udagawa, et al.. (2011). Raman Scattering of Hydrogen Storage Material LiNH2. Chinese Journal of Physics. 49(1). 294–300. 1 indexed citations

18.

Fukahori, Hiroki, Mitsunori Miyashita, Tatsuya Morita, et al.. (2009). Administrators’ perspectives on end-of-life care for cancer patients in Japanese long-term care facilities. Supportive Care in Cancer. 17(10). 1247–1254. 3 indexed citations

19.

Miyaoka, Hiroki, et al.. (2008). Hydrogenation properties of lithium intercalated graphite. TANSO. 2008(233). 136–139. 2 indexed citations

20.

Tanabe, Eishi, et al.. (2005). Microstructures of Graphite Mechanically Milled Under Hydrogen Gas or Argon Gas Atmosphere with Zirconia Balls or Chromium Steel Balls. Journal of the Japan Institute of Metals and Materials. 69(1). 113–120. 3 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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