Pekka Tynjälä

948 total citations · 1 hit paper
38 papers, 718 citations indexed

About

Pekka Tynjälä is a scholar working on Mechanical Engineering, Electrical and Electronic Engineering and Industrial and Manufacturing Engineering. According to data from OpenAlex, Pekka Tynjälä has authored 38 papers receiving a total of 718 indexed citations (citations by other indexed papers that have themselves been cited), including 18 papers in Mechanical Engineering, 14 papers in Electrical and Electronic Engineering and 9 papers in Industrial and Manufacturing Engineering. Recurrent topics in Pekka Tynjälä's work include Advancements in Battery Materials (14 papers), Extraction and Separation Processes (12 papers) and Advanced Battery Materials and Technologies (11 papers). Pekka Tynjälä is often cited by papers focused on Advancements in Battery Materials (14 papers), Extraction and Separation Processes (12 papers) and Advanced Battery Materials and Technologies (11 papers). Pekka Tynjälä collaborates with scholars based in Finland, France and Austria. Pekka Tynjälä's co-authors include Tuula T. Pakkanen, Ulla Lassi, Sari Tuomikoski, Tao Hu, Hanna Runtti, Petri P. Kärenlampi, Hussein Rostami, P. Suominen, Teija Kangas and Jaakko Rämö and has published in prestigious journals such as The Journal of Physical Chemistry B, Journal of Hazardous Materials and Journal of Cleaner Production.

In The Last Decade

Pekka Tynjälä

37 papers receiving 691 citations

Hit Papers

align trajectories sort by overperformance

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.

Advancements in cathode technology, recycling strategies, and market dynamics: A comprehensive review of sodium ion batteries

2024 62 citations Hussein Rostami, P. Suominen et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Pekka Tynjälä Finland	15	253	199	186	154	140	38	718
Wenbo Zhou China	16	250 1.0×	276 1.4×	278 1.5×	51 0.3×	276 2.0×	46	890
Indra Perdana Indonesia	14	355 1.4×	103 0.5×	122 0.7×	60 0.4×	167 1.2×	74	618
Xuehua Shen China	17	437 1.7×	140 0.7×	229 1.2×	91 0.6×	263 1.9×	40	806
Liumei Teng China	19	546 2.2×	379 1.9×	272 1.5×	79 0.5×	261 1.9×	39	1.2k
Zhirong Yang China	16	175 0.7×	170 0.9×	210 1.1×	87 0.6×	380 2.7×	55	771
Dehua Xu China	17	143 0.6×	142 0.7×	227 1.2×	39 0.3×	168 1.2×	71	758
Bangda Wang China	16	287 1.1×	72 0.4×	291 1.6×	162 1.1×	121 0.9×	30	756
Kali Sanjay India	18	383 1.5×	355 1.8×	241 1.3×	40 0.3×	290 2.1×	59	1.0k
Shaohua Ju China	15	447 1.8×	164 0.8×	132 0.7×	91 0.6×	352 2.5×	47	780

Countries citing papers authored by Pekka Tynjälä

Since Specialization

Citations

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

Fields of papers citing papers by Pekka Tynjälä

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Pekka Tynjälä

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

Suzuki, Kosuke, Ilja Makkonen, B. Barbiellini, et al.. (2024). Compton scattering study of strong orbital delocalization in a LiNiO2 cathode. Physical review. B.. 109(3). 4 indexed citations

Rostami, Hussein, et al.. (2024). Life Cycle of LiFePO₄ Batteries: Production, Recycling, and Market Trends. ChemPhysChem. 25(24). e202400459–e202400459. 17 indexed citations

Hu, Tao, et al.. (2023). Effect of Secondary Heat Treatment after a Washing on the Electrochemical Performance of Co‐Free LiNi_0.975Al_0.025O₂ Cathodes for Li‐Ion Batteries. Small. 20(4). e2305349–e2305349. 7 indexed citations

Tynjälä, Pekka, et al.. (2023). Co‐precipitation of NCM 811 Using Recycled and Purified Manganese: Effect of Impurities on the Battery Cell Performance. ChemElectroChem. 10(17). 5 indexed citations

Tynjälä, Pekka, et al.. (2023). Co-precipitation of Mg-doped Ni_0.8Co_0.1Mn_0.1(OH)₂: effect of magnesium doping and washing on the battery cell performance. Dalton Transactions. 52(5). 1413–1424. 9 indexed citations

Hu, Tao, Shubo Wang, Graham King, et al.. (2023). Synergistic effects of low - level magnesium and chromium doping on the electrochemical performance of LiNiO2 cathodes. Journal of Solid State Electrochemistry. 28(1). 85–101. 4 indexed citations

Tynjälä, Pekka, et al.. (2023). Effect of Reaction Conditions on the Coprecipitation of Ni(OH)₂ for Lithium‐Ion Batteries. Chemical Engineering & Technology. 46(11). 2279–2284. 7 indexed citations

Heikkinen, Eetu‐Pekka, et al.. (2023). Kinetic Analysis of Hydrogen Reduction of Nickel Compounds. Metallurgical and Materials Transactions B. 55(1). 251–265. 5 indexed citations

Wang, Yufan, et al.. (2023). Effects of Lithium Source and Content on the Properties of Li-Rich Layered Oxide Cathode Materials. ChemEngineering. 7(1). 15–15. 2 indexed citations

10.

Hu, Tao, et al.. (2022). Correlation of aluminum doping and lithiation temperature with electrochemical performance of LiNi1-xAlxO2 cathode material. Journal of Solid State Electrochemistry. 27(3). 641–654. 6 indexed citations

11.

Pesonen, Janne, et al.. (2019). The Use of Ca- and Mg-Rich Fly Ash as a Chemical Precipitant in the Simultaneous Removal of Nitrogen and Phosphorus—Recycling and Reuse. Recycling. 4(2). 14–14. 13 indexed citations

12.

Pesonen, Janne, et al.. (2019). The Use of Industrial Waste Materials for the Simultaneous Removal of Ammonium Nitrogen and Phosphate from the Anaerobic Digestion Reject Water. Waste and Biomass Valorization. 11(8). 4013–4024. 17 indexed citations

13.

Romar, Henrik, et al.. (2017). Effect of Calcination Conditions on the Dispersion of Cobalt Over Re, Ru and Rh Promoted Co/γ-Al2O3 Catalysts. Topics in Catalysis. 60(17-18). 1408–1414. 7 indexed citations

14.

Runtti, Hanna, Terο Luukkοnen, Sari Tuomikoski, et al.. (2016). Sulphate removal over barium-modified blast-furnace-slag geopolymer. Journal of Hazardous Materials. 317. 373–384. 116 indexed citations

15.

Yang, Ming, Suvi Kuittinen, Markku Keinänen, et al.. (2014). The use of (green field) biomass pretreatment liquor for fermentative butanol production and the catalytic oxidation of biobutanol. Process Safety and Environmental Protection. 92(8). 1531–1538. 12 indexed citations

16.

Romar, Henrik, Pekka Tynjälä, & Ulla Lassi. (2013). Biomass Gasification in an Air-Blown Down-Draft Gasifier: Determination of Tar Compounds from Producer Gas. BioResources. 8(3). 6 indexed citations

17.

Kärenlampi, Petri P., et al.. (2005). Phase transformations of wood cell wall water. Journal of Wood Science. 51(2). 118–123. 28 indexed citations

18.

Kärenlampi, Petri P., et al.. (2003). Effect of temperature and compression on the mechanical behavior of steam-treated wood. Journal of Wood Science. 49(4). 298–304. 14 indexed citations

19.

Tynjälä, Pekka, et al.. (1998). Modification of ZSM-5 Zeolite with Trimethyl Phosphite. 2. Catalytic Properties in the Conversion of C₁−C₄ Alcohols. The Journal of Physical Chemistry B. 102(27). 5280–5286. 34 indexed citations

20.

Tynjälä, Pekka & Tuula T. Pakkanen. (1997). Shape selectivity of ZSM-5 zeolite modified with chemical vapor deposition of silicon and germanium alkoxides. Journal of Molecular Catalysis A Chemical. 122(2-3). 159–168. 18 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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