A review on the development of perovskite based bifunctional electrocatalysts for oxygen electrodes in metal-air batteries

IF 5.3 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Materials Research Bulletin Pub Date : 2024-11-09 DOI:10.1016/j.materresbull.2024.113189

Shahar Yar Khan , Tayyaba Noor , Naseem Iqbal , Zeeshan Ali

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Abstract

Depletion of fossil fuels, climate change, and pollution are the major concerns nowadays. This has led scientists to research clean, renewable, safe, and sustainable technologies such as energy storage, conversion systems, and energy resources, including metal-air batteries (MABs), electrolyzers, and fuel cells. Oxygen reduction reaction (ORR) and oxygen evolution reactions (OER) are the two main reactions of these devices. These devices' practical application needs to be improved by two main reactions sluggish kinetics. Catalysts that increase the selectivity and rate of these reactions are the core of such technologies. Perovskite oxides (POs) are efficient electrocatalysts for energy applications due to their flexible structure, low cost, and high intrinsic activity. There are several ways to modify perovskites' inherent characteristics, improving their catalytic activity, including oxygen deficiency, B/A site substitution, Carbon support, Co catalyst incorporation, and layered perovskites. This review discusses different types of metal air batteries, perovskite oxides as a bifunctional catalyst, and synthesis techniques and strategies to improve the catalytic activities.

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基于过氧化物的金属-空气电池氧电极双功能电催化剂的开发综述

化石燃料枯竭、气候变化和污染是当今人们关注的主要问题。这促使科学家们开始研究清洁、可再生、安全和可持续的技术，如能源储存、转换系统和能源资源，包括金属空气电池（MAB）、电解槽和燃料电池。氧还原反应（ORR）和氧进化反应（OER）是这些设备的两个主要反应。这些设备的实际应用需要改进两个主要反应的缓慢动力学。提高这些反应的选择性和速率的催化剂是此类技术的核心。由于结构灵活、成本低廉、内在活性高，过氧化物（POs）是能源应用领域的高效电催化剂。有几种方法可以改变过氧化物的固有特性，提高其催化活性，包括缺氧、B/A 位点置换、碳支撑、掺入 Co 催化剂和层状过氧化物。本综述讨论了不同类型的金属空气电池、作为双功能催化剂的包晶氧化物以及提高催化活性的合成技术和策略。

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来源期刊

Materials Research Bulletin 工程技术-材料科学：综合

CiteScore

9.80

自引率

5.60%

发文量

372

审稿时长

42 days

期刊介绍： Materials Research Bulletin is an international journal reporting high-impact research on processing-structure-property relationships in functional materials and nanomaterials with interesting electronic, magnetic, optical, thermal, mechanical or catalytic properties. Papers purely on thermodynamics or theoretical calculations (e.g., density functional theory) do not fall within the scope of the journal unless they also demonstrate a clear link to physical properties. Topics covered include functional materials (e.g., dielectrics, pyroelectrics, piezoelectrics, ferroelectrics, relaxors, thermoelectrics, etc.); electrochemistry and solid-state ionics (e.g., photovoltaics, batteries, sensors, and fuel cells); nanomaterials, graphene, and nanocomposites; luminescence and photocatalysis; crystal-structure and defect-structure analysis; novel electronics; non-crystalline solids; flexible electronics; protein-material interactions; and polymeric ion-exchange membranes.