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Molecules
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Porous Materials for Electrochemical Energy Storage and Conversion
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Porous Materials for Electrochemical Energy Storage and Conversion

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Cross-Field Chemistry".

Deadline for manuscript submissions: closed (30 June 2022) | Viewed by 2828

Special Issue Editors

Dr. Lichao Tan

E-Mail Website
Guest Editor
School of Materials Science and Engineering, College of Chemical and Environmental Engineering, Harbin University of Science and Technology, Harbin 150040, China
Interests: porous materials; MOFs; COFs; carbon materials; energy storage and conversion
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Hongpeng Li

E-Mail Website
Guest Editor
School of Mechanical Engineering, Yangzhou University, Yangzhou 225127, China
Interests: porous materials; advanced energy storage materials; aqueous batteries; printed electronics; flexible electronics; multi-functional sensors
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Demand for continued energy supply is one of the tremendous challenges that we are facing today due to the disparity between increasing energy requirements and a worldwide energy shortage. Electrochemical energy conversion and storage are represented as the most effective technologies for the utilization of energy. To obtain higher energy densities and energy conversion efficiencies, develo** novel materials with high performance is of vital importance. Porous materials, referring to materials containing pores with different sizes and shapes, have received tremendous attention from both academia and industry due to their wide applications in energy storage and conversion. With the further development of modern society, it is important to develop advanced high-performance porous materials for electrochemical energy storage and conversion.

This Special Issue focuses on advanced porous materials for energy storage and conversion. This Special Issue welcomes original research, reviews, and mini reviews on, but is not limited to, the following topics:

(1). The design, development, and evaluation of novel porous materials (MOFs, COFs, porous carbons, and so on) for electrochemical energy storage and conversion.

(2). Printed supercapacitors, batteries, micro-supercapacitors, and/or micro-batteries.

(3). The synthesis and characterization of advanced porous materials.

Dr. Lichao Tan
Dr. Hongpeng Li
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at mdpi.longhoe.net 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. Molecules 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 2700 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

  • porous materials
  • MOFs
  • COFs
  • carbon materials
  • energy storage and conversion
  • batteries
  • supercapacitors
  • electrocatalysis

Published Papers (2 papers)

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Research

12 pages, 2750 KiB  
Article
Design of an Internal/External Bicontinuous Conductive Network for High-Performance Asymmetrical Supercapacitors
by Anran Shi, **umei Song, Lei Wei, Huiyuan Ma, Haijun Pang, Weiwei Li, **aowei Liu and Lichao Tan
Molecules 2022, 27(23), 8168; https://doi.org/10.3390/molecules27238168 - 23 Nov 2022
Cited by 4 | Viewed by 1148
Abstract
High-energy density supercapacitors have attracted extensive attention due to their electrode structure design. A synergistic effect related to core–shell structure can improve the energy storage capacity and power density of electrode materials. The Ni-foam (NF) substrate coupled with polypyrrole (PPy) conductive coating can [...] Read more.
High-energy density supercapacitors have attracted extensive attention due to their electrode structure design. A synergistic effect related to core–shell structure can improve the energy storage capacity and power density of electrode materials. The Ni-foam (NF) substrate coupled with polypyrrole (PPy) conductive coating can serve as an internal/external bicontinuous conductive network. In this work, the distinctive PPy@FeNi2S4@NF and PPy@NiCo2S4@NF materials were prepared by a simple two-step hydrothermal synthesis with a subsequent in situ polymerization method. PPy@FeNi2S4@NF and PPy@NiCo2S4@NF could deliver ultrahigh specific capacitances of 3870.3 and 5771.4 F·g−1 at 1 A·g−1 and marvelous cycling capability performances of 81.39% and 93.02% after 5000 cycles. The asymmetric supercapacitors composed of the prepared materials provided a high-energy density of over 47.2 Wh·kg−1 at 699.9 W·kg−1 power density and 67.11 Wh·kg−1 at 800 W·kg−1 power density. Therefore, the self-assembled core–shell structure can effectively improve the electrochemical performance and will have an effective service in advanced energy-storage devices. Full article
(This article belongs to the Special Issue Porous Materials for Electrochemical Energy Storage and Conversion)
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11 pages, 5922 KiB  
Article
Flower-like Highly Open-Structured Binder-Free Zn-Co-Oxide Nanosheet for High-Performance Supercapacitor Electrodes
by Qasim Abbas, Sajid Hussain Siyal, Abdul Mateen, Majed A. Bajaber, Awais Ahmad, Muhammad Sufyan Javed, Patrick Martin, Nicolas Joly and Patrizia Bocchetta
Molecules 2022, 27(15), 4850; https://doi.org/10.3390/molecules27154850 - 29 Jul 2022
Cited by 5 | Viewed by 1408
Abstract
Scientific research is being compelled to develop highly efficient and cost-effective energy-storing devices such as supercapacitors (SCs). The practical use of SC devices is hindered by their low energy density and poor rate capability due to the binding agents in fabricating electrodes. Herein, [...] Read more.
Scientific research is being compelled to develop highly efficient and cost-effective energy-storing devices such as supercapacitors (SCs). The practical use of SC devices is hindered by their low energy density and poor rate capability due to the binding agents in fabricating electrodes. Herein, we proposed flower-like highly open-structured binder-free ZnCo2O4 micro-flowers composed of nanosheets supported in nickel foam (ZnCoO@NF) with improved rate capability up to 91.8% when current varied from 2 to 20 A·g−1. The ZnCoO@NF electrode exhibited a superior specific capacitance of 1132 F·g−1 at 2 A·g−1 and revealed 99% cycling stability after 7000 cycles at a high current density of 20 A·g−1. The improved performance of the ZnCoO@NF electrode is attributed to the highly stable structure of the micro/nano-multiscale architecture, which provides both the high conduction of electrons and fast ionic transportation paths simultaneously. Full article
(This article belongs to the Special Issue Porous Materials for Electrochemical Energy Storage and Conversion)
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