Evidence map›Paper›PMID 41695891›Full record

ArticleSmall science2026

High-Performance Printed Supercapacitors Based on NaOH-Activated Wood-Derived Carbon: Optimized Porosity and Long-Term Stability in Aqueous Electrolytes.

Hamed Pourkheirollah, Remuel Isaac M Vitto, Dāvis Kalniņš, Aleksandrs Volperts, Steffen Thrane Vindt, Līga Grīnberga, Anatolijs Šarakovskis, Gints Kučinskis, Jari Keskinen, Matti Mäntysalo

Abstract read
In one paragraph

Article in Small science, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors.

Hamed PourkheirollahFaculty of Information Technology and Communication Sciences Tampere University Tampere 33720 Finland.ORCID https://orcid.org/0000-0002-8995-0349
Remuel Isaac M VittoFaculty of Information Technology and Communication Sciences Tampere University Tampere 33720 Finland.ORCID https://orcid.org/0009-0008-1966-4188
Dāvis KalniņšInstitute of Solid State Physics University of Latvia Riga LV-1063 Latvia.
Aleksandrs VolpertsLaboratory of Lignin Chemistry Latvian State institute of Wood chemistry Riga LV-1006 Latvia.
Steffen Thrane VindtInnoCell ApS Svendborg 5700 Denmark.
Līga GrīnbergaInstitute of Solid State Physics University of Latvia Riga LV-1063 Latvia.
Anatolijs ŠarakovskisInstitute of Solid State Physics University of Latvia Riga LV-1063 Latvia.
Gints KučinskisInstitute of Solid State Physics University of Latvia Riga LV-1063 Latvia.
Jari KeskinenFaculty of Information Technology and Communication Sciences Tampere University Tampere 33720 Finland.
Matti MäntysaloFaculty of Information Technology and Communication Sciences Tampere University Tampere 33720 Finland.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The transition to sustainable energy technologies calls for supercapacitors that are not only efficient but also environmentally responsible. In this work, a step towards solving this challenge is taken by applying a low-temperature NaOH activation strategy to alder-wood-derived carbon. Such process generates an amorphous carbon matrix with thinly-layered sheets of graphene-like domains, facilitating efficient ion-electron transport, as revealed through comprehensive material characterizations. Various carbon structures were obtained by adjusting the alkali-to-carbon ratio and activation temperature wherein the most effective is 3:1 ratio at 600 °C (AWC 3-600). Its combined 2393 m

Indexed as

activated wood carbonenergy densityenergy storagegraphitizationprinted supercapacitorsreduced graphene oxidespecific capacitance

Identifiers

PMID41695891
PMCPMC12904054

What OpenQuestion holds

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LicenceCC BY
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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.