Diverse water treatment technologies are widely applied to manage water quality,with ubiquitous hydraulic energy remaining.Emerging hydraulic pressure-electricity conversion,along with its in situ utilization,provides...Diverse water treatment technologies are widely applied to manage water quality,with ubiquitous hydraulic energy remaining.Emerging hydraulic pressure-electricity conversion,along with its in situ utilization,provides a promising strategy for addressing common challenges in water treatment,which is convenient,efficient,and practical.This innovative concept has garnered extensive interest and has achieved exciting progress over the past decade.Piezoelectricity,which induces charges via mechanical deformation,serves as a direct hydraulic energy harvesting mechanism to achieve force-electricity con-version,opening new avenues for innovating traditional water treatment technology while compensating for its shortcomings.However,such in situ hydraulic-electricity coupling is still in its early evolutionary stage and requires thorough investigation to determine future development directions.With this in mind,we discuss hydraulic piezoelectricity as a means of addressing common challenges in water treatment technologies,with a focus on representative membrane fouling,catalytic reactions,and sludge dewater-ing.Then,we further explore other emerging hydraulic-based technologies,such as hydrovoltaics,solid-liquid triboelectricity,and other energy methods,such as thermal energy,to expand the paradigm and scenarios of in situ electricity advancements in the water treatment process.展开更多
基金supported by the National Natural Science Foundation of China(22276092)the Fundamental Research Funds for the Central Universities(2022300304)the National Innovation Center par Excellence Joint Graduate Program.
文摘Diverse water treatment technologies are widely applied to manage water quality,with ubiquitous hydraulic energy remaining.Emerging hydraulic pressure-electricity conversion,along with its in situ utilization,provides a promising strategy for addressing common challenges in water treatment,which is convenient,efficient,and practical.This innovative concept has garnered extensive interest and has achieved exciting progress over the past decade.Piezoelectricity,which induces charges via mechanical deformation,serves as a direct hydraulic energy harvesting mechanism to achieve force-electricity con-version,opening new avenues for innovating traditional water treatment technology while compensating for its shortcomings.However,such in situ hydraulic-electricity coupling is still in its early evolutionary stage and requires thorough investigation to determine future development directions.With this in mind,we discuss hydraulic piezoelectricity as a means of addressing common challenges in water treatment technologies,with a focus on representative membrane fouling,catalytic reactions,and sludge dewater-ing.Then,we further explore other emerging hydraulic-based technologies,such as hydrovoltaics,solid-liquid triboelectricity,and other energy methods,such as thermal energy,to expand the paradigm and scenarios of in situ electricity advancements in the water treatment process.
