The increasing energy requirements to power the modern world has driven active research into more advanced electrochemical energy storage devices(EESD)with both high energy densities and power densities.Wide range of newly discovered materials with promising electrochemical properties has shown great potential for next-generation devices,but their performance is normally associated with contradicting demands of thin electrodes and high mass loading that can be hardly achieved for practical applications.Design of three-dimensional(3D)porous electrodes can increase the mass loading while maintaining the effective charge transport even with thick electrodes,which has proven to be efficient to overcome the limitations.3D structures have also been demonstrated excellent structural stability to withstand strong strains and stresses generated during charge/discharge cycle.3D printing,which can fabricate various delicate and complex structural designs,thus offering brand-new opportunities for the rational design and facile construction of next-generation EESDs.The recent developments in 3D printing of next-generation EESDs with high performance are reviewed.Advanced/multiscale electrode structures,such as hierarchically porous structure that can be constructed via high-resolution 3D printing or with post-treatment,are further emphasized.The ability of current 3D printing techniques to fulfill multimaterial printing to fulfill simple packaging will be covered.

Xi Xu;Yong Hao Tan;Jun Ding;Cao Guan

Institute of Flexible Electronics,Xi'an Key Laboratory of Flexible Electronics,Northwestern Polytechnical University,Xi'an 710072,China;Department of Materials Science and Engineering,Faculty of Engineering,National University of Singapore,Singapore 117574,Singapore;NUS Graduate School for Integrative Sciences and Engineering,National University of Singapore,Singapore 119077,Singapore

能源与环境材料（英文）

[1]Xi Xu;Yong Hao Tan;Jun Ding;Cao Guan-.3D Printing of Next-generation Electrochemical Energy Storage Devices:from Multiscale to Multimaterial)[J].能源与环境材料（英文）,2022(02):427-438

Multimaterial,EESD,EESDs

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