Clarifying the origin of pseudocapacitance from a perspective of RuO

Wenxin Yan, Taowen Dong, Wei Zhang, Weitao Zheng

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Review in Communications chemistry, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 authors.

Wenxin YanState Key Laboratory of Automotive Chassis Integration and Bionics, School of Materials Science & Engineering, Key Laboratory of Automobile Materials MOE, Electron Microscopy Center, Changbaishan Laboratory, Jilin University, Changchun, China.ORCID http://orcid.org/0009-0006-5193-7743

Taowen DongState Key Laboratory of Automotive Chassis Integration and Bionics, School of Materials Science & Engineering, Key Laboratory of Automobile Materials MOE, Electron Microscopy Center, Changbaishan Laboratory, Jilin University, Changchun, China. twdong@jlu.edu.cn.ORCID http://orcid.org/0000-0002-1226-3698

Wei ZhangState Key Laboratory of Automotive Chassis Integration and Bionics, School of Materials Science & Engineering, Key Laboratory of Automobile Materials MOE, Electron Microscopy Center, Changbaishan Laboratory, Jilin University, Changchun, China. weizhang@jlu.edu.cn.ORCID http://orcid.org/0000-0002-6414-7015

Weitao ZhengState Key Laboratory of Automotive Chassis Integration and Bionics, School of Materials Science & Engineering, Key Laboratory of Automobile Materials MOE, Electron Microscopy Center, Changbaishan Laboratory, Jilin University, Changchun, China. wtzheng@jlu.edu.cn.ORCID http://orcid.org/0000-0002-9028-278X

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Pseudocapacitance is dominantly considered to store charges through a unique faradic reaction (contributing to high energy density), while exhibiting electrochemical characteristics of supercapacitors (enabling high power density and excellent stability). It is still not fully understood why and how these two fundamentally distinct electrochemical processes, i.e., battery-like and capacitor-like, can be integrated into a single electrode. Conway et al. emphasized their faradic origin, whereas Costentin et al. emphasized their capacitive origin. In this Perspective, we pave a new paradigm for understanding their origin by correlating their physical structure with their electrochemical response. Specifically, we systematically review the charge storage process in hydrous RuO

Identifiers

PMID41796207

DOI10.1038/s42004-026-01964-1

PMCPMC13040026

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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.