Rika Hagiwara

14.7k total citations · 2 hit papers
362 papers, 11.0k citations indexed

About

Rika Hagiwara is a scholar working on Electrical and Electronic Engineering, Catalysis and Inorganic Chemistry. According to data from OpenAlex, Rika Hagiwara has authored 362 papers receiving a total of 11.0k indexed citations (citations by other indexed papers that have themselves been cited), including 194 papers in Electrical and Electronic Engineering, 121 papers in Catalysis and 108 papers in Inorganic Chemistry. Recurrent topics in Rika Hagiwara's work include Advancements in Battery Materials (132 papers), Advanced Battery Materials and Technologies (121 papers) and Ionic liquids properties and applications (112 papers). Rika Hagiwara is often cited by papers focused on Advancements in Battery Materials (132 papers), Advanced Battery Materials and Technologies (121 papers) and Ionic liquids properties and applications (112 papers). Rika Hagiwara collaborates with scholars based in Japan, United States and Slovenia. Rika Hagiwara's co-authors include Kazuhiko Matsumoto, Toshiyuki Nohira, Yasuhiko Ito, Jinkwang Hwang, Keigo Kubota, Tetsuya Tsuda, Kouji Yasuda, Koji Nitta, Taro Nakajima and Chih-Yao Chen and has published in prestigious journals such as Journal of the American Chemical Society, Angewandte Chemie International Edition and The Journal of Chemical Physics.

In The Last Decade

Rika Hagiwara

353 papers receiving 10.8k 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.

Room temperature ionic liquids of alkylimidazolium cations and fluoroanions

2000 704 citations Rika Hagiwara et al. profile →
A new structure model of graphite oxide

1988 375 citations Rika Hagiwara et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Rika Hagiwara Japan	55	6.3k	3.5k	2.7k	1.8k	1.6k	362	11.0k
Patrick C. Howlett Australia	60	9.7k 1.5×	6.2k 1.7×	3.0k 1.1×	1.9k 1.0×	1.9k 1.2×	251	15.3k
Frank Endres Germany	59	6.5k 1.0×	7.6k 2.1×	2.7k 1.0×	1.3k 0.7×	1.7k 1.1×	249	12.8k
Kazuhide Ueno Japan	54	7.7k 1.2×	3.9k 1.1×	1.8k 0.7×	824 0.4×	1.1k 0.7×	198	11.1k
Toshiyuki Nohira Japan	46	4.2k 0.7×	1.6k 0.5×	1.7k 0.6×	2.1k 1.1×	690 0.4×	296	7.2k
Maximilian Fichtner Germany	72	10.0k 1.6×	3.2k 0.9×	9.2k 3.4×	1.1k 0.6×	2.0k 1.3×	377	17.3k
Wesley A. Henderson United States	59	11.5k 1.8×	3.4k 0.9×	1.7k 0.6×	681 0.4×	1.3k 0.8×	139	14.0k
Yang Zhao China	71	13.3k 2.1×	1.2k 0.3×	4.6k 1.7×	1.0k 0.6×	4.7k 3.0×	264	18.2k
Kaoru Dokko Japan	66	12.5k 2.0×	3.5k 1.0×	2.4k 0.9×	1.3k 0.7×	2.2k 1.4×	256	15.3k
Yuguang Li China	39	3.5k 0.6×	2.7k 0.8×	2.6k 0.9×	1.2k 0.7×	541 0.3×	145	9.1k
Wenhua Zhang China	59	4.8k 0.8×	4.0k 1.1×	8.7k 3.2×	875 0.5×	1.2k 0.7×	273	15.1k

Countries citing papers authored by Rika Hagiwara

Since Specialization

Citations

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

Fields of papers citing papers by Rika Hagiwara

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Rika Hagiwara

This figure shows the co-authorship network connecting the top 25 collaborators of Rika Hagiwara. A scholar is included among the top collaborators of Rika Hagiwara 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 Rika Hagiwara. Rika Hagiwara 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

Yamamoto, Hiroki, Keigo Kubota, Jinkwang Hwang, Kazuhiko Matsumoto, & Rika Hagiwara. (2025). Ternary Potassium Single Cation Ionic Liquid Electrolyte for Potassium Secondary Batteries. The Journal of Physical Chemistry B. 129(14). 3652–3660. 1 indexed citations

Wang, Di, et al.. (2024). Dendrite-free Na deposition: Effects of the Na metal state on the deposition/dissolution performance on β”-alumina solid electrolyte interface. Journal of Power Sources. 612. 234777–234777. 5 indexed citations

Wu, Shengan, et al.. (2024). Entropy‐Driven 60 mol% Li Electrolyte for Li Metal‐Free Batteries. Small. 20(49). e2405007–e2405007. 4 indexed citations

Wu, Shengan, Jinkwang Hwang, Kazuhiko Matsumoto, & Rika Hagiwara. (2023). The Rational Design of Low‐Barrier Fluorinated Aluminum Substrates for Anode‑Free Sodium Metal Battery (Adv. Energy Mater. 48/2023). Advanced Energy Materials. 13(48). 2 indexed citations

Wang, Di, et al.. (2023). A Hexafluorophosphate‐Based Ionic Liquid as Multifunctional Interfacial Layer between High Voltage Positive Electrode and Solid‐State Electrolyte for Sodium Secondary Batteries. Advanced Energy Materials. 13(30). 11 indexed citations

Yasuda, Kouji, et al.. (2023). Oxidative Dissolution of Cemented Tungsten Carbides in Molten Sodium Carbonate by Addition of Copper(I) Oxide as Oxidizing Agent for Tungsten Recycling. Journal of Sustainable Metallurgy. 9(3). 1390–1398. 1 indexed citations

Hwang, Jinkwang, et al.. (2022). Inhibition of Aluminum Corrosion with the Addition of the Tris(pentafluoroethyl)trifluorophosphate Anion to a Sulfonylamide-Based Ionic Liquid for Sodium-Ion Batteries. Journal of The Electrochemical Society. 169(8). 80522–80522. 7 indexed citations

Kaushik, Shubham, Keigo Kubota, Jinkwang Hwang, Kazuhiko Matsumoto, & Rika Hagiwara. (2022). Strategies for Harnessing High Rate and Cycle Performance from Graphite Electrodes in Potassium-Ion Batteries. ACS Applied Materials & Interfaces. 14(12). 14302–14312. 10 indexed citations

Yamamoto, Takayuki, Kazuhiko Matsumoto, Rika Hagiwara, & Toshiyuki Nohira. (2021). Charge–Discharge Performance of Copper Metal Positive Electrodes in Fluorohydrogenate Ionic Liquids for Fluoride-Shuttle Batteries. Journal of The Electrochemical Society. 168(4). 40530–40530. 14 indexed citations

10.

Chen, Chih-Yao, et al.. (2020). Potassium Difluorophosphate as an Electrolyte Additive for Potassium-Ion Batteries. ACS Applied Materials & Interfaces. 12(32). 36168–36176. 46 indexed citations

11.

Hakim, Lukman, Yoshiki Ishii, Kazuhiko Matsumoto, et al.. (2020). Transport Properties of Ionic Liquid and Sodium Salt Mixtures for Sodium-Ion Battery Electrolytes from Molecular Dynamics Simulation with a Self-Consistent Atomic Charge Determination. The Journal of Physical Chemistry B. 124(33). 7291–7305. 30 indexed citations

12.

Yasuda, Kouji, et al.. (2020). Oxidative Dissolution of Tungsten Metal in Na ₂ CO ₃ under Ar–O ₂ –CO ₂ Atmosphere. Journal of The Electrochemical Society. 167(13). 131501–131501. 3 indexed citations

13.

Yamamoto, Hiroki, Chih-Yao Chen, Keigo Kubota, Kazuhiko Matsumoto, & Rika Hagiwara. (2020). Potassium Single Cation Ionic Liquid Electrolyte for Potassium-Ion Batteries. The Journal of Physical Chemistry B. 124(29). 6341–6347. 24 indexed citations

14.

Yasuda, Kouji, et al.. (2019). Mechanism of Electrolytic Reduction of SiO₂at Liquid Zn Cathode in Molten CaCl₂. Journal of The Electrochemical Society. 166(6). D162–D167. 12 indexed citations

15.

Mori, Takuya, Kentaro Yamamoto, Tomoki Uchiyama, et al.. (2019). Quantitative Elucidation of the Non-Equilibrium Phase Transition in LiFePO₄ via the Intermediate Phase. Chemistry of Materials. 31(18). 7160–7166. 27 indexed citations

16.

Yasuda, Kouji, et al.. (2018). Silicon Electrodeposition in a Water-Soluble KF–KCl Molten Salt: Effects of Temperature and Current Density. Journal of The Electrochemical Society. 165(16). D825–D831. 15 indexed citations

17.

Aoki, Tsutomu, et al.. (2018). Pt–Ru Anode Catalyst to Suppress H₂O₂Formation due to Oxygen Crossover. Journal of The Electrochemical Society. 165(7). F463–F467. 8 indexed citations

18.

Yamamoto, Takayuki, Toshiyuki Nohira, Rika Hagiwara, et al.. (2016). Electrochemical behavior of Sn–Fe alloy film negative electrodes for a sodium secondary battery using inorganic ionic liquid Na[FSA]–K[FSA]. Electrochimica Acta. 211. 234–244. 22 indexed citations

19.

Tsuda, Tetsuya, Masahiro Baba, Yuichi Sato, et al.. (2011). Nonvolatile RTIL‐Based Artificial Muscle: Actuation Mechanism Identified by In Situ EDX Analysis. Chemistry - A European Journal. 17(40). 11122–11126. 18 indexed citations

20.

Nakajima, Hironori, et al.. (2005). Electrodeposition of metallic molybdenum films in molten ZnCl2-NaCl-KCl-MoCl5 systems at 250°C. Journal of Rare Earths. 23. 16–20. 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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