Beyond Fertilizers: NH₄ZnPO₄ for the Reversible Chemical Storage of Ammonia

Kozawa, Takahiro; Hashiba, Tai; Fukuyama, Kayo; Abe, Hiroya; Morita, Shu; Osada, Minoru; Naito, Makio

doi:https://doi.org/10.1002/admi.202400729

Beyond Fertilizers: NH₄ZnPO₄ for the Reversible Chemical Storage of Ammonia

Kozawa, Takahiro; Hashiba, Tai; Fukuyama, Kayo et al.

Advanced Materials Interfaces, 2024, 2400729

アクセス数:778件（2025-08-15 07:41 集計）

固定URL: https://hdl.handle.net/11094/100192

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タイトル	Beyond Fertilizers: NH₄ZnPO₄ for the Reversible Chemical Storage of Ammonia
著者	NRID 1000040734158 1000040734158 ORCID 0000-0002-8793-3369 0000-0002-8793-3369 researchmap permalink thkw thkw Scopus Author ID 56429926400 56429926400 著者名 Kozawa, Takahiro
	著者名 Hashiba, Tai
	著者名 Fukuyama, Kayo
	NRID 1000050346136 1000050346136 ORCID 0000-0002-3031-8680 0000-0002-3031-8680 researchmap permalink read0101989 read0101989 Scopus Author ID 7404482075 7404482075 著者名 Abe, Hiroya
	著者名 Morita, Shu
	NRID 1000010312258 1000010312258 著者名 Osada, Minoru
	NRID 1000040346135 1000040346135 researchmap permalink read0101988 read0101988 Scopus Author ID 7403261860 7403261860 著者名 Naito, Makio
キーワード等	ammonia
	ammonium zinc phosphate
	chemical storage
	fertilizer
	reversible phase change
内容	Kozawa T., Hashiba T., Fukuyama K., et al. Beyond Fertilizers: NH₄ZnPO₄ for the Reversible Chemical Storage of Ammonia. Advanced Materials Interfaces , (2024); https://doi.org/10.1002/admi.202400729.
抄録	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.
出版者	John Wiley and Sons Inc
収録物名	Advanced Materials Interfaces
ページ	2400729
刊行年月	2024-12-11
言語	英語
ハンドルURL	https://hdl.handle.net/11094/100192
eISSN	21967350
関連情報 (isIdenticalTo)	DOI (出版社版) https://doi.org/10.1002/admi.202400729
アクセス権	open access
権利情報	This article is licensed under a Creative Commons Attribution 4.0 International License.
出版タイプ	Version of Record
カテゴリ	学術雑誌論文 Journal Article

資源タイプ	学術雑誌論文
ローカル資源タイプ	学術雑誌論文
DCTERMS.bibliographicCitation	Advanced Materials Interfaces. 2024, p. 2400729
DC.title	Beyond Fertilizers: NH₄ZnPO₄ for the Reversible Chemical Storage of Ammonia
DC.creator	Kozawa, Takahiro
	Hashiba, Tai
	Fukuyama, Kayo
	Abe, Hiroya
	Morita, Shu
	Osada, Minoru
	Naito, Makio
DC.publisher	John Wiley and Sons Inc
DC.language' scheme='DCTERMS.RFC1766	英語
DCTERMS.issued' scheme='DCTERMS.W3CDTF	2024-12-11
DC.identifier	https://doi.org/10.1002/admi.202400729
DC.subject	ammonia
	ammonium zinc phosphate
	chemical storage
	fertilizer
	reversible phase change
DC.description	Kozawa T., Hashiba T., Fukuyama K., et al. Beyond Fertilizers: NH₄ZnPO₄ for the Reversible Chemical Storage of Ammonia. Advanced Materials Interfaces , (2024); https://doi.org/10.1002/admi.202400729.
DCTERMS.abstract	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.
DC.rights	This article is licensed under a Creative Commons Attribution 4.0 International License.
DC.format	100192
citation_title	Beyond Fertilizers: NH₄ZnPO₄ for the Reversible Chemical Storage of Ammonia
citation_author	Kozawa, Takahiro
	Hashiba, Tai
	Fukuyama, Kayo
	Abe, Hiroya
	Morita, Shu
	Osada, Minoru
	Naito, Makio
citation_publisher	John Wiley and Sons Inc
citation_language	英語
citation_date	2024-12-11
citation_journal_title	Advanced Materials Interfaces
citation_firstpage	2400729
citation_doi	https://doi.org/10.1002/admi.202400729
citation_public_url	https://hdl.handle.net/11094/100192

Beyond Fertilizers: NH₄ZnPO₄ for the Reversible Chemical Storage of Ammonia

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