Pang Rui, Wang Zhiqiang, Li Jinkai, Chen Kunfeng
School of Material Science and Engineering, University of Jinan, Jinan 250022, China.
State Key Laboratory of Crystal Materials, Institute of Novel Semiconductors, Shandong University, Jinan 250100, China.
Materials (Basel). 2023 Oct 30;16(21):6956. doi: 10.3390/ma16216956.
Niobium pentoxide (NbO), as an important dielectric and semiconductor material, has numerous crystal polymorphs, higher chemical stability than water and oxygen, and a higher melt point than most metal oxides. NbO materials have been extensively studied in electrochemistry, lithium batteries, catalysts, ionic liquid gating, and microelectronics. NbO polymorphs provide a model system for studying structure-property relationships. For example, the T-NbO polymorph has two-dimensional layers with very low steric hindrance, allowing for rapid Li-ion migration. With the ever-increasing energy crisis, the excellent electrical properties of NbO polymorphs have made them a research hotspot for potential applications in lithium-ion batteries (LIBs) and supercapacitors (SCs). The basic properties, crystal structures, synthesis methods, and applications of NbO polymorphs are reviewed in this article. Future research directions related to this material are also briefly discussed.
五氧化二铌（NbO）作为一种重要的介电和半导体材料，有多种晶体多晶型物，化学稳定性高于水和氧气，熔点高于大多数金属氧化物。NbO材料在电化学、锂电池、催化剂、离子液体门控和微电子学领域得到了广泛研究。NbO多晶型物为研究结构-性能关系提供了一个模型体系。例如，T-NbO多晶型物具有二维层，空间位阻非常低，有利于锂离子快速迁移。随着能源危机日益加剧，NbO多晶型物优异的电学性能使其成为锂离子电池（LIBs）和超级电容器（SCs）潜在应用的研究热点。本文综述了NbO多晶型物的基本性质、晶体结构、合成方法及应用。还简要讨论了与该材料相关的未来研究方向。
