{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Sun F"],"funding":["National Research Foundation of Korea (NRF)"],"pagination":["9569"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12575868"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["16(1)"],"pubmed_abstract":["For dual-band electrochromic smart windows to achieve widespread adoption, challenges such as slow switching, poor stability, and high power consumption must be addressed. This study introduces a polyviologen|zinc mesh|WO<sub>3</sub> ⋅ 2H<sub>2</sub>O electrochromic energy storage device (EESD) with a PEDOT: PSS layer to enhance conductivity and prevent polyviologen degradation. By utilizing a dual-cathode design, the EESD enables fast switching and operates in four distinct modes-transparent, visible colored, near-infrared colored, and fully colored-allowing adaptive light regulation (320-2500 nm) to optimize energy efficiency across different seasons and times of day. Its self-operating and energy recovery features achieve zero energy consumption while maintaining functionality similar to conventional glass. Simulations indicate that a large-scale deployment across the U.S. can save 66.87 billion MWh, amounting to $7.35 trillion, and reduce CO<sub>2</sub> emissions by 66.94 billion tons. With its rapid switching, long-term durability, and scalability, this device presents significant economic and environmental advantages for real-world applications."],"journal":["Nature communications"],"pubmed_title":["Fast-switching dual-cathode electrochromic smart windows for year-round building energy savings."],"pmcid":["PMC12575868"],"funding_grant_id":["RS-2023-00221396","RS-2023-00208341"],"pubmed_authors":["Zhang W","Pal R","Jeong B","Sun F","Choi JW","Eom SY","Park JS"],"additional_accession":[]},"is_claimable":false,"name":"Fast-switching dual-cathode electrochromic smart windows for year-round building energy savings.","description":"For dual-band electrochromic smart windows to achieve widespread adoption, challenges such as slow switching, poor stability, and high power consumption must be addressed. This study introduces a polyviologen|zinc mesh|WO<sub>3</sub> ⋅ 2H<sub>2</sub>O electrochromic energy storage device (EESD) with a PEDOT: PSS layer to enhance conductivity and prevent polyviologen degradation. By utilizing a dual-cathode design, the EESD enables fast switching and operates in four distinct modes-transparent, visible colored, near-infrared colored, and fully colored-allowing adaptive light regulation (320-2500 nm) to optimize energy efficiency across different seasons and times of day. Its self-operating and energy recovery features achieve zero energy consumption while maintaining functionality similar to conventional glass. Simulations indicate that a large-scale deployment across the U.S. can save 66.87 billion MWh, amounting to $7.35 trillion, and reduce CO<sub>2</sub> emissions by 66.94 billion tons. With its rapid switching, long-term durability, and scalability, this device presents significant economic and environmental advantages for real-world applications.","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Oct","modification":"2026-06-05T07:23:00.605Z","creation":"2026-05-14T03:12:29.125Z"},"accession":"S-EPMC12575868","cross_references":{"pubmed":["41168183"],"doi":["10.1038/s41467-025-64962-2"]}}