Evidence map›Paper›PMID 41502749›Full record

ArticleACS omega2025

Enhanced Supercapattery Performance Enabled by Nitrogen-Doped Nb

Fernando José Soares Barros, Samuel da Silva Eduardo, Klebson Lucas Pereira Cardozo, Hector A Vitorino, Carlos Martins Aiube, Mariana Lumi Ichihara Sado, Camila de Lima Ribeiro, Alysson Martins Almeida Silva, Francisco Murilo Tavares de Luna, Auro Atsushi Tanaka

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PubMed Full text at PMC Publisher
In one paragraph

Article in ACS omega, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing 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

2 citing papers in PubMed.

  1. Article
  2. 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.

Fernando José Soares BarrosDepartment of Chemistry, Federal University of Maranhão, Av. dos Portugueses, 1966, São Luís, MA 65080-805, Brazil.ORCID https://orcid.org/0000-0002-0592-7847
Samuel da Silva EduardoDepartment of Chemistry, Universidade Federal do Rio de Janeiro, Avenida Athos da Silveira Ramos, no. 149, Rio de Janeiro, RJ 21941-909, Brazil.
Klebson Lucas Pereira CardozoDepartment of Chemistry, Federal University of Maranhão, Av. dos Portugueses, 1966, São Luís, MA 65080-805, Brazil.
Hector A VitorinoDepartment of Fundamental Chemistry, Institute of Chemistry, University of São Paulo, Av. Prof. Lineu Prestes, 748, São Paulo, SP 05508-000, Brazil.ORCID https://orcid.org/0000-0002-6891-0524
Carlos Martins AiubeInstitute of Chemistry, University of Brasília, Campus Universitário Darcy Ribeiro, Asa Norte, Brasília, DF 70910-900, Brazil.ORCID https://orcid.org/0000-0003-2614-4363
Mariana Lumi Ichihara SadoDepartment of Mechanical Engineering, University of Brasília, Campus Universitário Darcy Ribeiro, Asa Norte, Brasília, DF 70910-900, Brazil.
Camila de Lima RibeiroDepartment of Mechanical Engineering, University of Brasília, Campus Universitário Darcy Ribeiro, Asa Norte, Brasília, DF 70910-900, Brazil.
Alysson Martins Almeida SilvaDepartment of Mechanical Engineering, University of Brasília, Campus Universitário Darcy Ribeiro, Asa Norte, Brasília, DF 70910-900, Brazil.
Francisco Murilo Tavares de LunaDepartment of Chemical Engineering, Federal University of Ceará, Campus do Pici, 709, Fortaleza, CE 60455-760, Brazil.ORCID https://orcid.org/0000-0002-9611-2909
Auro Atsushi TanakaDepartment of Chemistry, Federal University of Maranhão, Av. dos Portugueses, 1966, São Luís, MA 65080-805, Brazil.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Nitrogen doping has emerged as a strategy to enhance the electrochemical performance of transition metal oxides. In this work, nitrogen-doped niobium oxide (Nb_N) was synthesized via a thermal treatment using urea as the nitrogen precursor. Structural and compositional analyses of Nb_N confirmed successful nitrogen incorporation without phase changes, leading to improved crystallinity and larger crystallites, with XPS revealing increased oxygen vacancies and Raman analysis indicating local lattice distortion. Electrochemical performance was evaluated in a 2 M KOH electrolyte. Cyclic voltammetry and galvanostatic charge-discharge tests revealed a battery-type electrode behavior with higher specific capacity values at 1 A g

Identifiers

PMID41502749
PMCPMC12771455

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Registered trials

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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.