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Nanomaterials
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Nanomaterial Based Energy Electrodes
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Nanomaterial Based Energy Electrodes

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Energy and Catalysis".

Deadline for manuscript submissions: closed (25 February 2024) | Viewed by 2157

Special Issue Editors

Prof. Dr. Zhongtao Li

E-Mail Website
Guest Editor
State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, China
Interests: energy storage materials; lithium-ion batteries; electrocatalysis
Dr. Min Wang

E-Mail Website
Guest Editor
College of New Energy, China University of Petroleum (East China), Qingdao 266580, China
Interests: energy conversion materials; electrocatalysis; fuel cells

Special Issue Information

Dear Colleagues, 

Functional nanomaterials are widely used in cutting-edge renewable energy conversion and storage technologies, such as batteries, supercapacitors, fuel cells, water splitting and CO2 reduction. The introduction of new concepts, structures, materials, and applications has propelled its successful development. Major efforts have been committed to the development of new structured nanomaterials, as well as elucidating the underlying mechanism in order to increase the scientific impact of energy storage and electrocatalysis. The idea of energy storage and electrocatalysis for a sustainable future envisions the opportunity to showcase the current achievements in the practical implementation of functional nanomaterials for energy and environmental upgradation.  

This Special Issue aims to cover the recent progress in functional nanomaterials for electrochemical energy storage and electrocatalysis. Potential topics include, but are not limited to, the following: 

  • Nanostructured catalytic materials for efficient electrochemical reactions including oxygen reduction (ORR), oxygen evolution (OER), hydrogen evolution (HER) and CO2 reduction (CO2RR);     
  • Functional electrode nanomaterials for energy storage applications including metal-ion batteries and supercapacitors. 

The format of welcomed articles includes original research (full papers and communications), perspectives and reviews.

Dr. Zhongtao Li
Dr. Min Wang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Nanomaterials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2900 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • functional nanomaterials
  • batteries
  • supercapacitors
  • electrocatalysis
  • electrochemical reactions
  • energy conversion and storage

Published Papers (2 papers)

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Research

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15 pages, 2995 KiB  
Article
Erythritol as a Saccharide Multifunctional Electrolyte Additive for Highly Reversible Zinc Anode
by Linjie Li, Zongwei Guo, Shiteng Li, Piting Cao, Weidong Du, Deshi Feng, Wenhui Wei, Fengzhao Xu, Chuangen Ye, Mingzhi Yang, Jing Zhang, Xingshuang Zhang and Yong Li
Nanomaterials 2024, 14(7), 644; https://doi.org/10.3390/nano14070644 - 8 Apr 2024
Viewed by 574
Abstract
Dendrite formation and water-triggered side reactions on the surface of Zn metal anodes severely restrict the commercial viability of aqueous zinc-ion batteries (AZIBs). In this work, we introduce erythritol (Et) as an electrolyte additive to enhance the reversibility of zinc anodes, given its [...] Read more.
Dendrite formation and water-triggered side reactions on the surface of Zn metal anodes severely restrict the commercial viability of aqueous zinc-ion batteries (AZIBs). In this work, we introduce erythritol (Et) as an electrolyte additive to enhance the reversibility of zinc anodes, given its cost-effectiveness, mature technology, and extensive utilization in various domains such as food, medicine, and other industries. By combining multiscale theoretical simulation and experimental characterization, it was demonstrated that Et molecules can partially replace the coordination H2O molecules to reshape the Zn2+ solvation sheath and destroy the hydrogen bond network of the aqueous electrolyte. More importantly, Et molecules tend to adsorb on the zinc anode surface, simultaneously inhibit water-triggered side reactions by isolating water and promote uniform and dense deposition by accelerating the Zn2+ diffusion and regulating the nucleation size of the Zn grain. Thanks to this synergistic mechanism, the Zn anode can achieve a cycle life of more than 3900 h at 1 mA cm−2 and an average Coulombic efficiency of 99.77%. Coupling with δ-MnO2 cathodes, the full battery delivers a high specific capacity of 228.1 mAh g−1 with a capacity retention of 76% over 1000 cycles at 1 A g−1. Full article
(This article belongs to the Special Issue Nanomaterial Based Energy Electrodes)
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10 pages, 1959 KiB  
Perspective
Recent Progress in Using Mesoporous Carbon Materials as Catalyst Support for Proton Exchange Membrane Fuel Cells
by Guanxiong Wang, Wei Zhao, Majid Mansoor, Yinan Liu, Xiuyue Wang, Kunye Zhang, Cailin Xiao, Quansheng Liu, Lingling Mao, Min Wang and Haifeng Lv
Nanomaterials 2023, 13(21), 2818; https://doi.org/10.3390/nano13212818 - 24 Oct 2023
Cited by 1 | Viewed by 1312
Abstract
Developing durable oxygen reduction reaction (ORR) electrocatalysts is essential to step up the large-scale applications of proton exchange membrane fuel cells (PEMFCs). Traditional ORR electrocatalysts provide satisfactory activity, yet their poor durability limits the long-term applications of PEMFCs. Porous carbon used as catalyst [...] Read more.
Developing durable oxygen reduction reaction (ORR) electrocatalysts is essential to step up the large-scale applications of proton exchange membrane fuel cells (PEMFCs). Traditional ORR electrocatalysts provide satisfactory activity, yet their poor durability limits the long-term applications of PEMFCs. Porous carbon used as catalyst support in Pt/C is vulnerable to oxidation under high potential conditions, leading to Pt nanoparticle dissolution and carbon corrosion. Thus, integrating Pt nanoparticles into highly graphitic mesoporous carbons could provide long-term stability. This Perspective seeks to reframe the existing approaches to employing Pt alloys and mesoporous carbon-integrated ORR electrocatalysts to improve the activity and stability of PEMFCs. The unusual porous structure of mesoporous carbons promotes oxygen transport, and graphitization provides balanced stability. Furthermore, the synergistic effect between Pt alloys and heteroatom doping in mesoporous carbons not only provides a great anchoring surface for catalyst nanoparticles but also improves the intrinsic activity. Furthermore, the addition of Pt alloys into mesoporous carbon optimizes the available surface area and creates an effective electron transfer channel, reducing the mass transport resistance. The long-term goals for fuel-cell-powered cars, especially those designed for heavy-duty use, are well aligned with the results shown when this hybrid material is used in PEMFCs to improve performance and durability. Full article
(This article belongs to the Special Issue Nanomaterial Based Energy Electrodes)
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