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Energy Storage Materials and Devices

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Energy Sustainability".

Deadline for manuscript submissions: closed (10 May 2023) | Viewed by 2022

Special Issue Editors


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Guest Editor
College of Big Data and Information Engineering, Guizhou University, Guiyang 550025, China
Interests: synthesis of nanomaterials and their applications in supercapacitors and metal-ion batteries for sustainable energy storage systems
Special Issues, Collections and Topics in MDPI journals
Faculty of Physics and Electronic Science, Hubei University, Wuhan 430062, China
Interests: supercapacitors; Zn-Air batteries; Zn-CO2 batteries

Special Issue Information

Dear Colleagues,

The energy problem is one of the major challenges for humans in the long term. Advanced energy storage technology has been playing an increasingly important role in society. The development of energy storage technology is inseparable from the progress of energy storage materials. In the development of solar energy, wind energy, tidal energy, geothermal energy, and fuel cell power generation technology, it is necessary to store electrical energy efficiently to meet the needs of storage and modulation of power output.

At present, the research on energy storage materials is very active, and various types of energy storage technologies for different applications are developing rapidly. The development of new materials is still the main content of energy storage technology. The basic research of energy storage materials includes energy storage mechanisms, thermodynamics, kinetics, microstructure, physicochemical properties and their evolution, interfaces and surfaces, defects, size effects, controllable synthesis, advanced characterization, and multi-scale theoretical simulations.

Besides, new energy storage systems are emerging, and the indicators of energy storage technologies are being broken. The research on serving behavior, failure mechanism, and scale preparation technology of actual energy storage devices is also increasing.

In this Special Issue, original research articles and reviews are welcome. Research areas may include (but not limited to) the following:

  • Advanced cathode and anode materials;
  • Novel electrolytes and separators;
  • New energy storage devices;
  • Interface engineering and energy storage mechanism;
  • In situ characterization technology for energy storage materials;
  • Machine learning and simulation for material screening and properties prediction.

We look forward to receiving your contributions.

Prof. Dr. Yunjun Ruan
Dr. Lin Lv
Guest Editors

Manuscript Submission Information

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Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 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

  • energy storage
  • nanomaterials
  • batteries
  • supercapacitors
  • electrodes
  • electrolytes

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Published Papers (1 paper)

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Research

15 pages, 2930 KiB  
Article
Ag Decorated Co3O4-Nitrogen Doped Porous Carbon as the Bifunctional Cathodic Catalysts for Rechargeable Zinc-Air Batteries
by Pingshu Leng, Hanbin Wang, Binfeng Wu, Lei Zhao, Yijing Deng, Jinting Cui, Houzhao Wan and Lin Lv
Sustainability 2022, 14(20), 13417; https://doi.org/10.3390/su142013417 - 18 Oct 2022
Cited by 4 | Viewed by 1583
Abstract
The use of transition metals as bifunctional catalysts for rechargeable zinc-air batteries has recently attracted much attention. Due to their multiple chemical valence states, the cobalt oxides are considered to be promising catalysts for oxygen reduction reaction (ORR) and oxygen evolution reaction (OER). [...] Read more.
The use of transition metals as bifunctional catalysts for rechargeable zinc-air batteries has recently attracted much attention. Due to their multiple chemical valence states, the cobalt oxides are considered to be promising catalysts for oxygen reduction reaction (ORR) and oxygen evolution reaction (OER). In this work, bifunctional Ag-decorated Co3O4-nitrogen doped porous carbon composite (Co3O4-NC&Ag) catalysts were synthesized by annealing ZIF-67 in N2 and O2, respectively, followed by Ag deposition using chemical bath deposition. Due to the decoration of Ag nanoparticles and high specific surface area (46.9 m2 g−1), the electrochemical activity of Co3O4 increased significantly. The optimized Co3O4-NC&Ag catalysts possessed superior ORR performance with a half-wave potential of 0.84 V (vs. RHE) and OER activity with an overpotential of 349 mV at 10 mA cm−2. The open circuit voltage of the Co3O4-NC&Ag-based zinc-air battery was 1.423 V. Meanwhile, the power density reached 198 mW cm−2 with a specific discharge capacity of 770 mAh g−1 at 10 mA cm−2, which was higher than that of Pt/C-based zinc-air battery (160 mW cm−2 and 705 mAh g−1). At a current density of 10 mA cm−2, the charge-discharge performance was stable for 120 h (360 cycles), exhibiting better long-term stability than the Pt/C&RuO2 counterpart. Full article
(This article belongs to the Special Issue Energy Storage Materials and Devices)
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