The chart shows the distribution of publications by all Research.com ranked scientists in the field of Materials Science in 2026. The highlighted bar marks where Hajime Arai sits on this spectrum.
This scientist: 287 publications — 57th percentile
57% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 1,163 publications or more.
The chart shows the D-index (discipline H-index) distribution of Materials Science scientists ranked by Research.com in 2026. The highlighted bar marks where Hajime Arai sits on this spectrum.
This scientist: 49 D-Index — 19th percentile
19% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 165 D-Index or more.
Hajime Arai is affiliated with the Tokyo Institute of Technology in Japan. Their research primarily focuses on the engineering field, with notable specialization in electrical and electronic engineering, automotive engineering, renewable energy, sustainability and the environment, materials chemistry, and electronic, optical, and magnetic materials.
The main topics covered in Arai's research include advancements in battery materials, advanced battery materials and technologies, advanced battery technologies research, electrocatalysts for energy conversion, fuel cells and related materials, and supercapacitor materials and fabrication.
Frequent collaborators in their work include Atsunori Ikezawa, Takeyoshi Okajima, Ryoji Kanno, Kota Suzuki, and Masaaki Hirayama.
Hajime Arai has contributed to a number of scientific publications, with a focus on journals and venues such as ECS Meeting Abstracts, Journal of Power Sources, Journal of Materials Chemistry A, ACS Applied Energy Materials, and Electrochemistry. The following recent papers illustrate the scope and focus of their work:
H. Arai;S. Okada;H. Ohtsuka;M. Ichimura
K. S. Nanjundaswamy;A. K. Padhi;John B Goodenough;S. Okada
Hajime Arai;Shigeto Okada;Yoji Sakurai;Jun Ichi Yamaki
Hajime Arai;Shigeto Okada;Yoji Sakurai;Jun Ichi Yamaki
Hajime Arai;Shigeto Okada;Yoji Sakurai;Jun Ichi Yamaki
Masatsugu Oishi;Keisuke Yamanaka;Iwao Watanabe;Iwao Watanabe;Keiji Shimoda
Yuki Orikasa;Takehiro Maeda;Yukinori Koyama;Haruno Murayama
Hajime Arai;Shigeto Okada;Yoji Sakurai;Jun Ichi Yamaki
Daiko Takamatsu;Yukinori Koyama;Yuki Orikasa;Shinichiro Mori
Masatsugu Oishi;Takahiro Fujimoto;Yu Takanashi;Yuki Orikasa
Yuki Orikasa;Yuma Gogyo;Hisao Yamashige;Misaki Katayama
Yuki Orikasa;Takehiro Maeda;Yukinori Koyama;Haruno Murayama
Yukinori Koyama;Hajime Arai;Isao Tanaka;Yoshiharu Uchimoto
Hajime Arai;Stefan Müller;Otto Haas
Yoji Sakurai;Hajime Arai;Shigeto Okada;Jun Ichi Yamaki
Sou Taminato;Masao Yonemura;Shinya Shiotani;Takashi Kamiyama
Koji Ohara;Akio Mitsui;Akio Mitsui;Masahiro Mori;Yohei Onodera
Unknown
Yoji Sakurai;Hajime Arai;Jun-ichi Yamaki
Toyoki Okumura;Takayuki Nakatsutsumi;Toshiaki Ina;Yuki Orikasa
Atsushi Sakuda;Koji Ohara;Katsutoshi Fukuda;Koji Nakanishi
Keiji Shimoda;Masatsugu Oishi;Toshiyuki Matsunaga;Miwa Murakami
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