The development of two-dimensional(2 D)high-performance electrode materials is the key to new advances in the fields of energy storage and conversion.As a novel family of 2 D layered materials,MXenes possess distinct ...The development of two-dimensional(2 D)high-performance electrode materials is the key to new advances in the fields of energy storage and conversion.As a novel family of 2 D layered materials,MXenes possess distinct structural,electronic and chemical properties that enable vast application potential in many fields,including batteries,supercapacitor and catalysis.However,MXene layers are easily formed by stacking together,which significantly reduces the specific surface area,hinders the transmission of ions,and restricts other functional materials on the surface,thereby reducing performance.In addition,due to the inherent defects of a single electrode material,electrodes or catalysts made of single-phase MXene may not meet specific practical application requirements.MXenes nanocomposites materials based on enhanced electrochemical performance through nanoengineering technology and surface modification for morphological control are highly sought after to solve these challenges.This review aims to present recent advances in these emerging MXene nanocomposites for energy storage and conversion applications such as batteries,supercapacitors and catalytic reactions.We also introduced some of the challenges and opportunities in this rapidly developing field.展开更多
基金the National Natural Science Foundation of China(Nos.U1904215 and 21875207)the Natural Science Foundation of Jiangsu Province(No.BK20200044)Changjiang Scholars Program of the Ministry of Education(No.Q2018270)。
文摘The development of two-dimensional(2 D)high-performance electrode materials is the key to new advances in the fields of energy storage and conversion.As a novel family of 2 D layered materials,MXenes possess distinct structural,electronic and chemical properties that enable vast application potential in many fields,including batteries,supercapacitor and catalysis.However,MXene layers are easily formed by stacking together,which significantly reduces the specific surface area,hinders the transmission of ions,and restricts other functional materials on the surface,thereby reducing performance.In addition,due to the inherent defects of a single electrode material,electrodes or catalysts made of single-phase MXene may not meet specific practical application requirements.MXenes nanocomposites materials based on enhanced electrochemical performance through nanoengineering technology and surface modification for morphological control are highly sought after to solve these challenges.This review aims to present recent advances in these emerging MXene nanocomposites for energy storage and conversion applications such as batteries,supercapacitors and catalytic reactions.We also introduced some of the challenges and opportunities in this rapidly developing field.
