Porous materials have received significant attention for catalyst,electrochemical energy storage,sensing and compound capture.Large surface area and connected inner channel make porous materials outstanding in the app...Porous materials have received significant attention for catalyst,electrochemical energy storage,sensing and compound capture.Large surface area and connected inner channel make porous materials outstanding in the applications of catalyst,batteries and biomedicine.Glass is a traditional material and has the advantages of high stability and other physical properties.By combining the advantages of porous materials and glass,porous glass has been researched widely and applied to many leading-edge fields,such as batteries and sensors.This review presents common methods for synthesizing porous glass,including phase separation process(PSP),direct leaching process(DLP)of acid,sintering and so on.Three main steps for fabrication of each process are concluded.The recent applications are support,capturer and matter transport,and they are highlighted in this review.Future directions for preparing these materials are also discussed.展开更多
Lignocellulose is an ideal precursor for supercapacitor electrodes due to its diverse structures and abundant availability.For supercapacitors,particularly electric double-layer capacitors(EDLCs),pore structure is cri...Lignocellulose is an ideal precursor for supercapacitor electrodes due to its diverse structures and abundant availability.For supercapacitors,particularly electric double-layer capacitors(EDLCs),pore structure is critical.This review summarizes advances in lignocellulose-derived hierarchical porous carbon(LHPC)for supercapacitors,focusing on pore structure and future research directions.We discuss how pore structure influences supercapacitor performance,the activation methods for creating pores in LHPC,and review studies on optimizing pore structure for high-performance supercapacitors.Hierarchical porous carbon should feature a sufficient micropore surface area along with suitable mesoporous and macroporous surfaces to enhance rate performance while maintaining capacitance.This review is expected to actively advance the selection of lignocellulosic precursors and the development of optimized pore structure models,with the ultimate goal of enabling efficient production of lignocellulose-derived hierarchical porous carbon electrodes with superior properties.展开更多
基金the National Natural Science Foundation of China(No.51572169)the National Key Research and Development Program of China(Nos.2017YFE0113000,2016YFB0701201 and YS2017YFGH000385)+2 种基金the Shanghai Rising-Star Program(No.16QA1402400)the Shanghai Natural Science Foundation(No.18ZR1420900)the Fund of Shanghai Science and Technology Committee(Nos.18JC1410500,18ZR1420900,15ZR1422400,14JC1403300 and 14520710100)
文摘Porous materials have received significant attention for catalyst,electrochemical energy storage,sensing and compound capture.Large surface area and connected inner channel make porous materials outstanding in the applications of catalyst,batteries and biomedicine.Glass is a traditional material and has the advantages of high stability and other physical properties.By combining the advantages of porous materials and glass,porous glass has been researched widely and applied to many leading-edge fields,such as batteries and sensors.This review presents common methods for synthesizing porous glass,including phase separation process(PSP),direct leaching process(DLP)of acid,sintering and so on.Three main steps for fabrication of each process are concluded.The recent applications are support,capturer and matter transport,and they are highlighted in this review.Future directions for preparing these materials are also discussed.
基金financial support for this research from the National Key Research Development Program of China(No.2021YFB3800300)Shanghai Pujiang Programme(No.23PJD045)the Shanghai Science and Technology Committee(No.24CL2900600).
文摘Lignocellulose is an ideal precursor for supercapacitor electrodes due to its diverse structures and abundant availability.For supercapacitors,particularly electric double-layer capacitors(EDLCs),pore structure is critical.This review summarizes advances in lignocellulose-derived hierarchical porous carbon(LHPC)for supercapacitors,focusing on pore structure and future research directions.We discuss how pore structure influences supercapacitor performance,the activation methods for creating pores in LHPC,and review studies on optimizing pore structure for high-performance supercapacitors.Hierarchical porous carbon should feature a sufficient micropore surface area along with suitable mesoporous and macroporous surfaces to enhance rate performance while maintaining capacitance.This review is expected to actively advance the selection of lignocellulosic precursors and the development of optimized pore structure models,with the ultimate goal of enabling efficient production of lignocellulose-derived hierarchical porous carbon electrodes with superior properties.