锌空气电池用模板硼酸盐衍生铜基氧还原反应催化剂

IF 2.4 3区化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR

Polyhedron Pub Date : 2025-05-24 DOI:10.1016/j.poly.2025.117608

Xiang-Yu Huang, Chun-Yang Pan

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引用次数: 0

摘要

以邻菲罗啉（o-phen）为配体合成了两种铜基模板硼酸盐[Cu(o-phen)2OAc]·[B5O6(OH)4]·C5H5N (OAc−= CH3COO -)(1)和[Cu(o-phen)2Cl]·[B5O6(OH)4]·H2O(2)，并用单晶x射线衍射、PXRD和FT-IR对其结构进行了表征。两种化合物的结构差异是由于配合物模板与氧硼团簇之间通过氢键（H-Bs）的不同相互作用所致。对模板硼酸盐进行热解制备了高性能氧还原反应（ORR）催化剂。1基催化剂表现出较好的ORR活性，可作为锌空气电池（ZABs）的阴极催化剂。在高温条件下，金属配合物分解成金属纳米颗粒，锚定在n掺杂碳层上，为ORR催化提供了主要活性位点。本研究为高性能ORR催化剂的合成提供了一条创新途径。

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Templated borates derived copper-based oxygen reduction reaction catalysts for zinc-air batteries

Two Cu-based templated borates, [Cu(o-phen)₂OAc]·[B₅O₆(OH)₄]·C₅H₅N (OAc⁻ = CH₃COO^–) (1) and [Cu(o-phen)₂Cl]·[B₅O₆(OH)₄]·H₂O (2), were synthesized with the o-phenanthroline (o-phen) ligand, and their structures were characterized by single crystal X-ray diffraction, PXRD, and FT-IR. The structural differences between the two compounds result from the distinct interactions between the complex template and the oxoboron cluster through hydrogen bonds (H-Bs). Templated borates were pyrolyzed to obtain high performance oxygen reduction reaction (ORR) catalysts. 1-based catalyst showed better ORR activity and was used as cathode catalyst in zinc-air batteries (ZABs). Under high-temperature conditions, the metal complexes decompose into metal nanoparticles anchored on the N-doped carbon layer, which provides the primary active site for ORR catalysis. This research provides an innovative approach for the synthesis of high-performance ORR catalysts.

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来源期刊

Polyhedron 化学-晶体学

CiteScore

4.90

自引率

7.70%

发文量

515

审稿时长

2 months

期刊介绍： Polyhedron publishes original, fundamental, experimental and theoretical work of the highest quality in all the major areas of inorganic chemistry. This includes synthetic chemistry, coordination chemistry, organometallic chemistry, bioinorganic chemistry, and solid-state and materials chemistry. Papers should be significant pieces of work, and all new compounds must be appropriately characterized. The inclusion of single-crystal X-ray structural data is strongly encouraged, but papers reporting only the X-ray structure determination of a single compound will usually not be considered. Papers on solid-state or materials chemistry will be expected to have a significant molecular chemistry component (such as the synthesis and characterization of the molecular precursors and/or a systematic study of the use of different precursors or reaction conditions) or demonstrate a cutting-edge application (for example inorganic materials for energy applications). Papers dealing only with stability constants are not considered.