Michael E. Spahr

6.6k total citations · 1 hit paper
50 papers, 5.7k citations indexed

About

Michael E. Spahr is a scholar working on Electrical and Electronic Engineering, Automotive Engineering and Materials Chemistry. According to data from OpenAlex, Michael E. Spahr has authored 50 papers receiving a total of 5.7k indexed citations (citations by other indexed papers that have themselves been cited), including 38 papers in Electrical and Electronic Engineering, 20 papers in Automotive Engineering and 15 papers in Materials Chemistry. Recurrent topics in Michael E. Spahr's work include Advancements in Battery Materials (35 papers), Advanced Battery Materials and Technologies (26 papers) and Advanced Battery Technologies Research (20 papers). Michael E. Spahr is often cited by papers focused on Advancements in Battery Materials (35 papers), Advanced Battery Materials and Technologies (26 papers) and Advanced Battery Technologies Research (20 papers). Michael E. Spahr collaborates with scholars based in Switzerland, France and Austria. Michael E. Spahr's co-authors include Petr Novák, Jürgen Besenhard, Martin Winter, Reinhard Nesper, Dietrich Goers, Hilmi Buqa, Otto Haas, Frank Krumeich, Michael Holzapfel and Felix Joho and has published in prestigious journals such as Advanced Materials, Angewandte Chemie International Edition and Journal of The Electrochemical Society.

In The Last Decade

Michael E. Spahr

50 papers receiving 5.5k 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.

Insertion Electrode Materials for Rechargeable Lithium Batteries

1998 2.6k citations Martin Winter, Jürgen Besenhard et al. Advanced Materials profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Michael E. Spahr Switzerland	31	4.9k	2.0k	1.7k	1.5k	688	50	5.7k
Ali Abouimrane United States	33	5.6k 1.1×	1.8k 0.9×	1.5k 0.8×	1.2k 0.8×	478 0.7×	72	6.2k
Michael Slater United States	15	6.3k 1.3×	1.3k 0.6×	2.2k 1.3×	1.5k 1.0×	322 0.5×	31	6.8k
Yunhong Zhou China	37	4.5k 0.9×	1.2k 0.6×	1.3k 0.8×	897 0.6×	1.1k 1.6×	129	5.1k
Y. Gofer Israel	32	5.5k 1.1×	1.3k 0.6×	1.2k 0.7×	1.8k 1.2×	658 1.0×	51	6.2k
Xianying Qin China	46	6.6k 1.3×	2.4k 1.2×	2.2k 1.3×	1.5k 1.0×	476 0.7×	90	7.5k
Guiming Zhong China	49	7.4k 1.5×	2.4k 1.2×	1.5k 0.9×	1.5k 1.0×	471 0.7×	109	7.7k
Birgit Schwenzer United States	28	5.1k 1.0×	1.4k 0.7×	2.3k 1.3×	1.5k 1.0×	453 0.7×	50	6.2k
Isobel Davidson Canada	37	3.4k 0.7×	1.3k 0.7×	1.5k 0.9×	1.1k 0.7×	272 0.4×	76	4.3k
Seung‐Wan Song South Korea	43	4.2k 0.9×	1.9k 0.9×	1.1k 0.6×	789 0.5×	434 0.6×	126	4.8k
Juchuan Li United States	30	5.5k 1.1×	2.0k 1.0×	1.4k 0.8×	1.5k 1.0×	270 0.4×	47	6.2k

Countries citing papers authored by Michael E. Spahr

Since Specialization

Citations

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

Fields of papers citing papers by Michael E. Spahr

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Michael E. Spahr. 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 Michael E. Spahr. The network helps show where Michael E. Spahr may publish in the future.

Co-authorship network of co-authors of Michael E. Spahr

This figure shows the co-authorship network connecting the top 25 collaborators of Michael E. Spahr. A scholar is included among the top collaborators of Michael E. Spahr 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 Michael E. Spahr. Michael E. Spahr 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

Jeschull, Fabian, et al.. (2020). Graphite Particle-Size Induced Morphological and Performance Changes of Graphite–Silicon Electrodes. Journal of The Electrochemical Society. 167(10). 100535–100535. 40 indexed citations

Jeschull, Fabian, et al.. (2019). Improving the Cycling Stability of SnO₂–Graphite Electrodes. ACS Applied Energy Materials. 2(10). 7364–7374. 10 indexed citations

Jeschull, Fabian, et al.. (2019). Electrochemistry and morphology of graphite negative electrodes containing silicon as capacity-enhancing electrode additive. Electrochimica Acta. 320. 134602–134602. 21 indexed citations

Robert, Rosa, Sergio Pacheco Benito, P.A. Ulmann, et al.. (2017). Cycling Behavior of Silicon-Containing Graphite Electrodes, Part B: Effect of the Silicon Source. The Journal of Physical Chemistry C. 121(46). 25718–25728. 22 indexed citations

Robert, Rosa, P.A. Ulmann, Patrick Lanz, et al.. (2017). Cycling Behavior of Silicon-Containing Graphite Electrodes, Part A: Effect of the Lithiation Protocol. The Journal of Physical Chemistry C. 121(34). 18423–18429. 23 indexed citations

Cericola, D. & Michael E. Spahr. (2016). Impedance Spectroscopic Studies of the Porous Structure of Electrodes containing Graphite Materials with Different Particle Size and Shape. Electrochimica Acta. 191. 558–566. 55 indexed citations

Goers, Dietrich, Michael E. Spahr, Antonio P. Leone, Wolfgang Märkle, & Petr Novák. (2011). The influence of the local current density on the electrochemical exfoliation of graphite in lithium-ion battery negative electrodes. Electrochimica Acta. 56(11). 3799–3808. 40 indexed citations

Märkle, Wolfgang, J. Colin, Dietrich Goers, Michael E. Spahr, & Petr Novák. (2010). In situ X-ray diffraction study of different graphites in a propylene carbonate based electrolyte at very positive potentials. Electrochimica Acta. 55(17). 4964–4969. 36 indexed citations

Spahr, Michael E., et al.. (2010). Development of carbon conductive additives for advanced lithium ion batteries. Journal of Power Sources. 196(7). 3404–3413. 178 indexed citations

10.

Spahr, Michael E., Dietrich Goers, Wolfgang Märkle, et al.. (2010). Overpotentials and solid electrolyte interphase formation at porous graphite electrodes in mixed ethylene carbonate–propylene carbonate electrolyte systems. Electrochimica Acta. 55(28). 8928–8937. 15 indexed citations

11.

Novák, Petr, Joachim Ufheil, Hilmi Buqa, et al.. (2007). The importance of the active surface area of graphite materials in the first lithium intercalation. Journal of Power Sources. 174(2). 1082–1085. 34 indexed citations

12.

Buqa, Hilmi, Andreas Würsig, Dietrich Goers, et al.. (2005). Behaviour of highly crystalline graphites in lithium-ion cells with propylene carbonate containing electrolytes. Journal of Power Sources. 146(1-2). 134–141. 52 indexed citations

13.

Spahr, Michael E., Henri Wilhelm, Andreas Würsig, et al.. (2004). Exfoliation of Graphite during Electrochemical Lithium Insertion in Ethylene Carbonate-Containing Electrolytes. Journal of The Electrochemical Society. 151(9). A1383–A1383. 87 indexed citations

14.

Buqa, Hilmi, et al.. (2003). The influence of graphite surface modification on the exfoliation during electrochemical lithium insertion. Journal of Solid State Electrochemistry. 8(1). 79–80. 6 indexed citations

15.

Spahr, Michael E., et al.. (1998). Redox-Active Nanotubes of Vanadium Oxide. Angewandte Chemie International Edition. 37(9). 1263–1265. 336 indexed citations

16.

Spahr, Michael E., et al.. (1998). Redoxaktive Nanoröhren aus Vanadiumoxid. Angewandte Chemie. 110(9). 1339–1342. 70 indexed citations

17.

Winter, Martin, Jürgen Besenhard, Michael E. Spahr, & Petr Novák. (1998). ChemInform Abstract: Insertion Electrode Materials for Rechargeable Lithium Batteries. ChemInform. 29(37). 3 indexed citations

18.

Fässler, Thomas F., Annette Spiekermann, Michael E. Spahr, & Reinhard Nesper. (1997). Unprecedented Layered Structure of a Fulleride: Synthesis, Structure, and Magnetic Properties of a Potassium‐Containing Salt with a C Counterion. Angewandte Chemie International Edition in English. 36(5). 486–488. 37 indexed citations

19.

Zürcher, Stefan, Völker Gramlich, Urs Burckhardt, et al.. (1996). Paramagnetic and Semiconducting 1:1 Salts of 1,1‘-Disubstituted Ferrocenes and [Ni(mnt)₂]^-. Synthesis, Structure, and Physical Properties. Organometallics. 15(25). 5342–5346. 27 indexed citations

20.

Schreiber, Martin, John E. Anthony, François Diederich, et al.. (1994). Polytriacetylenes: Conjugated polymers with a novel all‐carbon backbone. Advanced Materials. 6(10). 786–790. 50 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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