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Researchers at MIT, led by electrical engineer Xu Zhang, have designed this flexible device, which comprises a small gold antenna to capture various wireless signals (Wi-Fi, Bluetooth, cellular LTE) and transform them into an AC signal. Subsequently, a three-atom-thick layer of molybdenum disulfide acts as a rectifier, converting the AC signal into DC electricity. While current prototypes generate approximately 40 microwatts from typical home Wi-Fi, sufficient to power a simple LED display or a biosensor, they are not yet powerful enough for demanding devices like smartwatches or smartphones. The team's future objective is to create an array of rectennas to power larger electronics. The researchers also envision an application in smart cities, where sensors embedded in infrastructure like buildings, bridges, and highways could be powered by these rectennas, enabling continuous structural health monitoring without power concerns. This innovation aims to integrate intelligence and sensing capabilities into everyday objects, addressing the critical challenge of maintaining power for widespread smart city infrastructure.",{"@graph":69,"@context":105},[70,84],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":30,"@type":76,"position":81},"https://docshare.wps.com/document/technology/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/rectenna-converts-wi-fi-to-electricity/24348/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/rectenna-converts-wi-fi-to-electricity/24348.png","ImageObject",300,407,{"name":92,"@type":93},"Logic","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-09-19","2026-05-07",true,{"@type":102,"interactionType":103,"userInteractionCount":81},"InteractionCounter",{"@type":104},"ViewAction","https://schema.org",{"og:url":107,"og:type":108,"og:title":65,"og:site_name":95,"og:description":67},"https://docshare.wps.com/document/rectenna-converts-wi-fi-to-electricity/24348","article",{"robots":110,"canonical":107},"index,follow",{"doc_id":112,"site_id":62},24348,1778188623,{"code":4,"msg":5,"data":115},{"doc_id":112,"user_id":116,"nickname":92,"user_avatar":117,"doc_module":4,"category_id":29,"category_name":30,"doc_title":65,"doc_description":67,"doc_content":66,"file_id":118,"file_url":119,"file_type":120,"file_size":121,"view_count":81,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":8,"language":122,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":66,"faqs":66,"seo_title":123,"seo_description":67,"update_tm":113,"read_time":81},1099513958762,"https://ap-avatar.wpscdn.com/avatar/1000023916a998db790?x-image-process=image/resize,m_fixed,w_180,h_180&k=1784791008015729253","cbCaisn6fQ4s2OQm","https://ap.wps.com/l/cbCaisn6fQ4s2OQm","pdf",188310,"English","Rectenna Converts Wi-Fi to Electricity | PDF"]