Electrochemical CO_(2) capture offers a tunable,low-temperature alternative to thermal methods.Among available strategies,bipolar membrane electrodialysis(BPMED)and capacitive deionization(CDI)are notable for their di...Electrochemical CO_(2) capture offers a tunable,low-temperature alternative to thermal methods.Among available strategies,bipolar membrane electrodialysis(BPMED)and capacitive deionization(CDI)are notable for their distinct mechanisms.BPMED induces pH swings via water dissociation,while CDI concentrates CO_(2)-related ions through electric double-layer adsorption.This review provides a comparative evaluation of BPMED and CDI in terms of working principles,energy performance,system integration,and application scenarios,including direct air capture(DAC),carbon capture from industrial flue gas,and direct ocean capture(DOC).BPMED demonstrates high-capture rates and compatibility with in situ mineralization,whereas CDI offers lower energy demand and modular flexibility.Their respective strengths suggest potential complementarity-CDI may be better suited to treat liquid phase systems derived from point-source emissions,in which dissolved inorganic carbon species dominate the ionic composition and the background of competing ions is relatively controllable;BPMED may be better suited for treating environmental carbon sources with large volumes,low concentrations or high ionic strength.This framework offers potential insights for developing scalable electrochemical CO_(2) capture systems.展开更多
Vanadium redox flow batteries(VRFBs)are promising grid-scale energy storage systems due to their high safety,efficiency,and long lifespan.However,their relatively low energy density and the high costs associated with ...Vanadium redox flow batteries(VRFBs)are promising grid-scale energy storage systems due to their high safety,efficiency,and long lifespan.However,their relatively low energy density and the high costs associated with key components(electrolytes,electrodes and membranes)remain significant challenges.Therefore,there is an urgent need to develop and explore alternative materials that can enhance overall battery performance while reducing costs and mitigating environmental impacts.Biomass-derived materials have attracted increasing attention in this context because of their low cost,environmental friendliness,and excellent performance.Herein,from the viewpoint of key components in VRFBs,we provide a comprehensive review of biomass-derived materials for energy storage through advanced VRFBs.Starting with a brief introduction of VRFBs,we summarize the working principles and challenges of VRFBs.It then presents an overview of biomass-derived materials.The latest progress of biomass-derived materials for improved VRFB components,i.e.the electrolyte,electrode,and membrane,are elucidated thereafter.Furthermore,we outline the challenges and unexplored research opportunities of applying biomass derivatives for advanced VRFBs.This review aims to promote the application of biomass derivatives for sustainable and advanced energy storage.展开更多
基金financially supported by Key Project of Tianjin Natural Science Foundation(23JCZDJC00570)Special Funding of China Post-doctoral Science Foundation(2023T160268)+1 种基金China Postdoctoral Science Foundation(2023M741362)the National Key Research and Development Program of China(No.2022YFC2904000).
文摘Electrochemical CO_(2) capture offers a tunable,low-temperature alternative to thermal methods.Among available strategies,bipolar membrane electrodialysis(BPMED)and capacitive deionization(CDI)are notable for their distinct mechanisms.BPMED induces pH swings via water dissociation,while CDI concentrates CO_(2)-related ions through electric double-layer adsorption.This review provides a comparative evaluation of BPMED and CDI in terms of working principles,energy performance,system integration,and application scenarios,including direct air capture(DAC),carbon capture from industrial flue gas,and direct ocean capture(DOC).BPMED demonstrates high-capture rates and compatibility with in situ mineralization,whereas CDI offers lower energy demand and modular flexibility.Their respective strengths suggest potential complementarity-CDI may be better suited to treat liquid phase systems derived from point-source emissions,in which dissolved inorganic carbon species dominate the ionic composition and the background of competing ions is relatively controllable;BPMED may be better suited for treating environmental carbon sources with large volumes,low concentrations or high ionic strength.This framework offers potential insights for developing scalable electrochemical CO_(2) capture systems.
基金supported by the Australian Research Council via the ARC Research Hub for Value-Added Processing of Underutilised Carbon Waste under Grant IH230100011Yuhui Ge thanks the China Scholarship Council(CSC)for scholarship support.Xiangkang Zeng gratefully acknowledges financial support from the Australian Research Council Discovery Early Career Researcher Award(DE220100429).
文摘Vanadium redox flow batteries(VRFBs)are promising grid-scale energy storage systems due to their high safety,efficiency,and long lifespan.However,their relatively low energy density and the high costs associated with key components(electrolytes,electrodes and membranes)remain significant challenges.Therefore,there is an urgent need to develop and explore alternative materials that can enhance overall battery performance while reducing costs and mitigating environmental impacts.Biomass-derived materials have attracted increasing attention in this context because of their low cost,environmental friendliness,and excellent performance.Herein,from the viewpoint of key components in VRFBs,we provide a comprehensive review of biomass-derived materials for energy storage through advanced VRFBs.Starting with a brief introduction of VRFBs,we summarize the working principles and challenges of VRFBs.It then presents an overview of biomass-derived materials.The latest progress of biomass-derived materials for improved VRFB components,i.e.the electrolyte,electrode,and membrane,are elucidated thereafter.Furthermore,we outline the challenges and unexplored research opportunities of applying biomass derivatives for advanced VRFBs.This review aims to promote the application of biomass derivatives for sustainable and advanced energy storage.
