超越肥料:氨的可逆化学储存NH4ZnPO4

IF 4.3 3区 材料科学 Q2 CHEMISTRY, MULTIDISCIPLINARY
Takahiro Kozawa, Tai Hashiba, Kayo Fukuyama, Hiroya Abe, Shu Morita, Minoru Osada, Makio Naito
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引用次数: 0

摘要

增强NH3作为氢气和下一代燃料的无碳能量载体是可持续社会的一种有前途的方法。在晶体结构中化学储存NH3分子比在基于物理化学吸附的传统多孔材料中储存NH3分子具有更好的选择性和可重复使用性;然而,设计可以可逆地存储在结构间隙中的材料仍然是一个重大挑战。本文提出将以前作为肥料使用的NH4ZnPO4通过化学储存机制作为NH3吸收物质使用。湿法机械化学合成的NH4ZnPO4颗粒具有单斜晶和六方晶结构,可以将NH3分子直接转化为NH4Zn(NH3)PO4而不产生副产物。化学储存机制取决于颗粒形态;因此,每表面积的吸收量超过多孔材料。NH4ZnPO4可重复使用,在≈100℃的空气中加热,NH4Zn(NH3)PO4释放出NH3再生,具有良好的循环性能。从以前使用和熟悉的肥料中获得灵感,进一步扩展了这一创新材料的新领域,可用于低分子量气体的可逆存储。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Beyond Fertilizers: NH4ZnPO4 for the Reversible Chemical Storage of Ammonia

Beyond Fertilizers: NH4ZnPO4 for the Reversible Chemical Storage of Ammonia

Enhancing NH3 as a carbon-free energy carrier of H2 and next-generation fuel is a promising approach for a sustainable society. Chemically storing NH3 molecules in crystal structures offers better selectivity and reusability than storage in traditional porous materials based on physicochemical adsorption; however, designing materials that can be reversibly stored in structural gaps is still a significant challenge. Herein, the use of NH4ZnPO4, which is previously used as a fertilizer, is proposed as an NH3 uptake material through a chemical storage mechanism. The NH4ZnPO4 particles synthesized by a wet mechanochemical method with monoclinic and hexagonal crystal structures can incorporate NH3 molecules and directly transform them into NH4Zn(NH3)PO4 without producing byproducts. The chemical storage mechanism depends on the particle morphology; therefore, the uptake amount per surface area surpasses that of porous materials. NH4ZnPO4 exhibited excellent cycling performance due to its reusability, which is regenerated by releasing NH3 from NH4Zn(NH3)PO4 when heated in air at ≈100 °C. Taking inspiration from previously used and familiar fertilizers further extends this new area of innovative materials that can be used for the reversible storage of low-molecular-weight gases.

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来源期刊
Advanced Materials Interfaces
Advanced Materials Interfaces CHEMISTRY, MULTIDISCIPLINARY-MATERIALS SCIENCE, MULTIDISCIPLINARY
CiteScore
8.40
自引率
5.60%
发文量
1174
审稿时长
1.3 months
期刊介绍: Advanced Materials Interfaces publishes top-level research on interface technologies and effects. Considering any interface formed between solids, liquids, and gases, the journal ensures an interdisciplinary blend of physics, chemistry, materials science, and life sciences. Advanced Materials Interfaces was launched in 2014 and received an Impact Factor of 4.834 in 2018. The scope of Advanced Materials Interfaces is dedicated to interfaces and surfaces that play an essential role in virtually all materials and devices. Physics, chemistry, materials science and life sciences blend to encourage new, cross-pollinating ideas, which will drive forward our understanding of the processes at the interface. Advanced Materials Interfaces covers all topics in interface-related research: Oil / water separation, Applications of nanostructured materials, 2D materials and heterostructures, Surfaces and interfaces in organic electronic devices, Catalysis and membranes, Self-assembly and nanopatterned surfaces, Composite and coating materials, Biointerfaces for technical and medical applications. Advanced Materials Interfaces provides a forum for topics on surface and interface science with a wide choice of formats: Reviews, Full Papers, and Communications, as well as Progress Reports and Research News.
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