摘要
金属氰胺化合物M_(x)(NCN)_(y)作为类氧硫族化合物,是一类新兴的无机功能材料。准线性[NCN]^(2-)阴离子赋予其空旷和具有孔道的晶体结构、独特的电子结构和新奇的物化性质,金属氰胺化合物在固态发光、光/电催化及电化学储能等诸多领域展现出应用前景,近年来逐渐成为研究热点。本文简要回顾了金属氰胺化合物的研究历史,概述了金属氰胺化合物的晶体结构及物化性质,总结了常见合成方法及策略,探讨了金属氰胺化合物在电化学储能领域的应用,重点论述了其作为锂钠离子电池新型负极材料的电化学性能及存储机制。
Metal cyanamides/carbodiimides[M_(x)(NCN)_(y)],as oxygen/chalcogenide-like compounds,are a new class of inorganic functional materials.The quasi-linear[NCN]^(2–)anion endows their open and porous crystal structure,unique electronic structure and unique physicochemical properties.They have shown potential applications in many fields including solid-state luminescence,photo/electrocatalysis,and electrochemical energy storage,becoming a research hotspot in recent years.This review outlines the research history of metal cyanamides,introduces the crystal structures and physicochemical properties,summarizes their synthetic methods and strategies,and discusses the applications for electrochemical energy storage,focusing on the electrochemical performance and charge storage mechanism as new-type negative electrode materials for lithium/sodium ion batteries.
作者
赵伟
徐阳
万颖杰
蔡天逊
穆金潇
黄富强
ZHAO Wei;XU Yang;WAN Yingjie;CAI Tianxun;MU Jinxiao;HUANG Fuqiang(State Key Laboratory of High Performance Ceramics and Superfine Microstructure,Shanghai Institute of Ceramics,Chinese Academy of Sciences,Shanghai 200050,China;Center of Materials Science and Optoelectronics Engineering,University of Chinese Academy of Sciences,Beijing 100049,China)
出处
《无机材料学报》
SCIE
EI
CAS
CSCD
北大核心
2022年第2期140-151,共12页
Journal of Inorganic Materials
基金
上海市自然科学基金(21ZR1473300)。
关键词
金属氰胺化合物
晶体结构
合成方法
电化学储能
锂钠离子电池
综述
metal cyanamides/carbodiimides
crystal structure
synthetic method
electrochemical energy storage
lithium/sodium ion battery
review
