Polyoxometalates (POMs) as Proton Conductors

IF 19.3 1区 材料科学 Q1 CHEMISTRY, PHYSICAL
Apu Saha, Rupam Sahoo, Shyam Chand Pal, Sayaka Uchida, Madhab C. Das
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引用次数: 0

Abstract

The development of solid-state proton conductors (SSPCs) is of significant interest for their deployment as proton exchange membranes in fuel cell (PEMFC) technology. The aqueous medium synthesis with ample intrinsic proton sources has made crystalline polyoxometalates (POMs) promising SSPCs over others. Herein, we aim to showcase the solitary POMs and their hybrids (with polymers and MOFs/COFs) as SSPCs by organizing them based on the approaches taken up (intrinsic or extrinsic) to install various protonic sources while positioning them within specific components of the POM frameworks. Particular attention is paid with a critical discussion on whether the conductivity is purely protonic or a combination of protonic and other ionic conductivity (majorly originating from charge balancing counterions) and thus recommend the terminology to be used. The “Critical Discussion” section provides in-depth insights which are often overlooked, while the future recommendations are made in “Future Outlook”.

Abstract Image

多金属氧酸盐(pom)作为质子导体
固态质子导体(SSPCs)的发展对其作为质子交换膜在燃料电池(PEMFC)技术中的应用具有重要意义。具有丰富的本征质子源的水介质合成使结晶多金属氧酸盐(pom)成为较有前途的SSPCs。在这里,我们的目标是通过根据所采用的方法(内在或外在的)来组织它们来安装各种质子源,同时将它们定位在POM框架的特定组件中,从而展示孤立的POM及其杂化体(与聚合物和mof /COFs)作为sspc。特别注意对电导率是纯质子的还是质子和其他离子电导率的组合(主要来自电荷平衡的反离子)进行了批判性的讨论,并因此推荐了要使用的术语。“关键讨论”部分提供了经常被忽视的深入见解,而“未来展望”部分则提出了未来的建议。
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来源期刊
ACS Energy Letters
ACS Energy Letters Energy-Renewable Energy, Sustainability and the Environment
CiteScore
31.20
自引率
5.00%
发文量
469
审稿时长
1 months
期刊介绍: ACS Energy Letters is a monthly journal that publishes papers reporting new scientific advances in energy research. The journal focuses on topics that are of interest to scientists working in the fundamental and applied sciences. Rapid publication is a central criterion for acceptance, and the journal is known for its quick publication times, with an average of 4-6 weeks from submission to web publication in As Soon As Publishable format. ACS Energy Letters is ranked as the number one journal in the Web of Science Electrochemistry category. It also ranks within the top 10 journals for Physical Chemistry, Energy & Fuels, and Nanoscience & Nanotechnology. The journal offers several types of articles, including Letters, Energy Express, Perspectives, Reviews, Editorials, Viewpoints and Energy Focus. Additionally, authors have the option to submit videos that summarize or support the information presented in a Perspective or Review article, which can be highlighted on the journal's website. ACS Energy Letters is abstracted and indexed in Chemical Abstracts Service/SciFinder, EBSCO-summon, PubMed, Web of Science, Scopus and Portico.
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