Media coverage
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Media coverage
Title New droplet-based electricity generator to change the face of power generation Media name/outlet Electrical & Power Review Media type Web Place India Date 4/03/20 Description A research team led by scientists from City University of Hong Kong (CityU) has recently developed a new form of droplet-based electricity generator (DEG) that features a field-effect transistor (FET)-like structure which allows for high energy-conversion efficiency. URL https://www.eprmagazine.com/sspecial-report/new-droplet-based-electricity-generator-to-change-the-face-of-power-generation/ Persons Zuankai WANG Title New Technique to Generate Electricity From Raindrops Media name/outlet Asharq AL-awsat Media type Web Place Egypt Date 3/03/20 Description Researchers at The University of Hong Kong Shenzhen Institute of Research and Innovation (HKU-SIRI) have created a new technique that uses the polytetrafluoroethylene (PTFE) film that captures more energy when fixed on an aluminum electrode and an indium tin oxide (ITO) electrode. In a report published on the Sciencealert website on February 16, Senior Author Wang Zuankai from the City University of Hong Kong (CityU), said: "Our research shows that a drop of 100 microliters of water released from a height of 15 centimeters (5.9 inches) can generate a voltage of over 140V, and the power generated can light up 100 small LED lights." Producer/Author Hazem Badr Persons Zuankai WANG Title 香港城大研發出液滴發電機 一滴水就可以著100盞LED燈 Media name/outlet Now News Media type Web Place Hong Kong, China Date 28/02/20 Description 香港城市大學學者領導的研究團隊，成功研發了新款液滴式發電機。在《自然》雜誌上可以得知該液滴發電機設有類似晶體管的結構，從而讓其瞬時功率密度比現時的液滴發電機增加數千倍，大大提升了電能轉化效率。 Persons Zuankai WANG, Wanghuai XU, Huanxi ZHENG, Xiaofeng ZHOU, Kwok Hi Michael LEUNG, Zhengbao YANG, Chao ZHANG, Yuxin SONG Title 雨水也是天然發電來源，一滴水足以點亮百盞 LED Media name/outlet EnergyTrend Media type Web Place Taiwan, China Date 20/02/20 Description 最近美國與香港研究人員攜手研製出水滴發電機（droplet-based electricity generator，DEG），可產生 140 伏特電壓，足以點亮 100 盞 LED。城大材料工程系教授王鑽開（Wang Zuankai ）指出，根據團隊實驗，若100 微升（microlitre，μL）的水從 15 公分處落下，可產生 140 伏特電壓，電力足夠點亮 100 盞 LED。 Producer/Author Daisy Chuang Persons Zuankai WANG Title Is it possible to extract energy from rain? Media name/outlet Technology News World Media type Web Date 18/02/20 Description Bio-engineer van Coinky from City University of Hong Kong claims that a drop in 100 MICS of water, released from a height of 15 inches, can generate a voltage of 140 V, and thus the generated power can light up 100 small LED bulbs. Persons Zuankai WANG, Wanghuai XU, Huanxi ZHENG, Xiaofeng ZHOU, Kwok Hi Michael LEUNG, Zhengbao YANG, Chao ZHANG, Yuxin SONG Title New Way to Generate Electricity From Rain Can Power 100 LED Bulbs Per Drop Media name/outlet sciencealert.com Media type Web Date 16/02/20 Description New research has found a method that could generate enough power from a single droplet of rain to light up 100 LED bulbs. That's a big jump forward in efficiency, in the region of several thousand times. "Our research shows that a drop of 100 microlitres of water released from a height of 15 centimetres [5.9 inches] can generate a voltage of over 140V, and the power generated can light up 100 small LED lights," says biomedical engineer Wang Zuankai from the City University of Hong Kong (CityU). Producer/Author DAVID NIELD URL https://www.sciencealert.com/we-re-getting-closer-to-generating-electricity-from-raindrops Persons Zuankai WANG Title 城大科研團隊水滴發電 一滴水可點亮 100 盞 LED 燈 Media name/outlet Unwire.hk Media type Web Place Hong Kong, China Date 10/02/20 Description 香港城市大學的科研團隊早前宣佈，成功開發一款以水滴推動的發電機（Droplet-based electricty generator, DEG），透過利用一種特殊的類晶體管結構，讓水滴能夠產生極高電壓，一滴水就能產生 140V，足以同時將 100 盞小型 LED 燈短暫亮起。 URL https://unwire.hk/2020/02/10/cityu-new-droplet-based-electricity-generator-drop-water-lights-100-small-led-bulbs/life-tech/green-2/ Persons Zuankai WANG, Wanghuai XU, Huanxi ZHENG, Xiaofeng ZHOU, Kwok Hi Michael LEUNG, Zhengbao YANG, Chao ZHANG, Yuxin SONG Title 城大新發電機 一滴水點亮百LED Media name/outlet 信報財經 Media type Web Place Hong Kong, China Date 10/02/20 Description 由香港城市大學學者領導的研究團隊，研發出新型水滴發電機（Droplet-based Electricity Generator, DEG），聲稱其較現時類似的水滴發電機，瞬時功率密度增加數以千倍，一滴水足以點亮100盞小LED燈，研究結果剛於最新一期國際權威學術期刊《自然》發表。 URL https://www1.hkej.com/dailynews/finnews/article/2373959/%E5%9F%8E%E5%A4%A7%E6%96%B0%E7%99%BC%E9%9B%BB%E6%A9%9F+%E4%B8%80%E6%BB%B4%E6%B0%B4%E9%BB%9E%E4%BA%AE%E7%99%BELED Persons Zuankai WANG, Wanghuai XU, Huanxi ZHENG, Xiaofeng ZHOU, Kwok Hi Michael LEUNG, Zhengbao YANG, Chao ZHANG, Yuxin SONG Title Rain may soon be an effective source of renewable energy Media name/outlet MogaznewsEn Media type Web Date 9/02/20 Description Researchers have developed a generator that uses a field-effect transistor-style structure to instantly produce a surprisingly high voltage from water drops -- a single drop can muster 140V, or enough power to briefly light up 100 small LED bulbs. Persons Zuankai WANG, Wanghuai XU, Huanxi ZHENG, Xiaofeng ZHOU, Kwok Hi Michael LEUNG, Zhengbao YANG, Chao ZHANG, Yuxin SONG Title 城大研新發電機 一滴水亮百盞燈 Media name/outlet 香港商報 Media type Web Place Hong Kong, China Date 7/02/20 Description 香港城市大學成功研發出新型水滴發電機，只要一滴水便可點亮100盞小LED燈，這項突破性成果有助推動水力發電的科學研究及應對能源危機。有關研究是由城大機械工程學系王鑽開教授、美國內布拉斯加大學林肯分校曾曉成教授，和中國科學院北京納米能源與系統研究所王中林院士合作領導，剛於最新一期國際權威學術期刊《自然》發表，論文題為「瞬時高功率密度水滴式發電機」。 Producer/Author 周偉立 URL https://www.hkcd.com/content/2020-02/07/content_1177258.html Persons Zuankai WANG Title 城大研發電 １滴水燃亮百LED 設計類晶體管液滴發電機 提升電能轉化效率千倍 Media name/outlet Lion Rock Daily Media type Web Place Hong Kong, China Date 7/02/20 Description 為提升電能轉化效率，城大機械工程學系教授王鑽開和研究團隊花了兩年時間，研發出新型液滴發電機，其瞬時功率密度、即每平方米可產生的最高能量達到50.1 瓦，較沒有晶體管設計的液滴發電機增加了數以千倍，電能轉換效率亦大大提升。 Persons Zuankai WANG Title Power players get drop on field Media name/outlet The Standard Media type Web Place Hong Kong, China Date 7/02/20 Description A research team at the City University of Hong Kong has spent two years developing a new version of the generator by adding a field-effect transistor-like structure - a specially-designed system that uses an electric field to control the devices' current flow. It is believed that the findings would be able to provide wider insights into hydropower and ease the energy crisis. Producer/Author Erin Chan URL https://www.thestandard.com.hk/section-news/section/4/216073/Power-players-get-drop-on-field Persons Zuankai WANG Title 城大新發電機 一滴水點亮百盞燈 Media name/outlet 文匯報 Media type Web Place Hong Kong, China Date 7/02/20 Description 由城大機械工程學系教授王鑽開、美國內布拉斯加大學林肯分校教授曾曉成，和中國科學院北京納米能源與系統研究所王中林院士合作領導，最近成功研發出新型水滴發電機（droplet-based electricity generator，DEG），並於最新一期國際權威學術期刊《自然》發表，論文題為「瞬時高功率密度水滴式發電機」。 URL paper.wenweipo.com/2020/02/07/HK2002070042.htm Persons Zuankai WANG Title 城大研發新水滴發電機 功率增數千倍 Media name/outlet 星島日報 Media type Web Place Hong Kong, China Date 7/02/20 Description 王鑽開稱，研究顯示一滴一百微升的水滴，可產生超過一百四十伏特電壓，發電機產生的電能足以點亮一百盞小LED燈。他希望今次研究成果可以幫助全球開發更多水資源，以應對全球可再生能源短缺問題。 Persons Zuankai WANG Title Hong Kong scientists develop a generator that produces 140V electricity from a drop of water! Media name/outlet gadgetbytenepal.com Media type Web Place Nepal Date 7/02/20 Description A new report published claim that scientists at the City University of Hong Kong have created an electricity generator which can generate 140V electricity that can power 100 LED bulbs from one drop of water. Their report shows that a drop of 100 microlitres of water released from a height of 15cm can generate a voltage of 140V. Basically, this new droplet-based technology has a very high energy-conversion efficiency. And it’ll hopefully help us all tackle the growing energy crisis of the world. Producer/Author Utsav Mallik URL https://www.gadgetbytenepal.com/140v-electricity-from-one-drop-water/ Persons Zuankai WANG, Wanghuai XU, Huanxi ZHENG, Xiaofeng ZHOU, Kwok Hi Michael LEUNG, Zhengbao YANG, Chao ZHANG, Yuxin SONG Title 城大研水滴發電機 一滴點亮百燈 Media name/outlet 東方日報 Media type Web Place Hong Kong, China Date 7/02/20 Description 香港城市大學學者領導的研究團隊，成功研發出新型水滴發電機，一滴一百微升的水由十五厘米高度滴下，便可產生超過一百四十伏特電壓，產生的電能足以點亮一百盞小LED燈。團隊人員認為，研究有助推動水力發電的科學研究及應對全球可再生能源短缺問題。 URL https://orientaldaily.on.cc/cnt/news/20200207/00176_043.html Persons Zuankai WANG Title CityU new droplet-based electricity generator: A drop of water lights up 100 small LED bulbs Media name/outlet CityU NewsCentre Media type Web Place Hong Kong, China Date 6/02/20 Description In order to improve the conversion efficiency, the research team led by Professor Wang Zuankai from CityU's Department of Mechanical Engineering; Professor Zeng Xiaocheng from the University of Nebraska-Lincoln, US; and Professor Wang Zhonglin, Founding Director and Chief Scientist at the Beijing Institute of Nanoenergy and Nanosystems of Chinese Academy of Sciences has spent two years developing the droplet-based electricity generator (DEG). Its instantaneous power density can reach up to 50.1 W/m2, thousands of times higher than similar devices without the use of the FET-like design. The energy conversion efficiency is also markedly higher. URL https://www.cityu.edu.hk/media/news/2020/02/06/cityu-new-droplet-based-electricity-generator-drop-water-lights-100-small-led-bulbs Persons Zuankai WANG, Wanghuai XU, Huanxi ZHENG, Xiaofeng ZHOU, Kwok Hi Michael LEUNG, Zhengbao YANG, Chao ZHANG, Yuxin SONG Title This Renewable Energy Device Powers 100 LEDs with a Single Drop of Water Media name/outlet Vice Media type Web Date 6/02/20 Description By coating their droplet generator in a material with a near-permanent electric charge, the team observed that their generator was able to slowly collect charge from continuously falling droplets and store it until reaching its capacity. This allowed the generator to more efficiently convert the droplet's energy. From just a single droplet the generator was able to generate enough power to light up 100 small LED light bulbs, and with four droplets it could power 400. The authors write that the instantaneous power created by their coated generator was thousands of times higher than previous approaches that lacked the coating. Producer/Author Sarah Wells URL https://www.vice.com/en_us/article/3a8a7j/this-renewable-energy-device-powers-100-leds-with-a-single-drop-of-water Persons Zuankai WANG Title 最新Nature: 基于液滴的高效发电器件 Media name/outlet Cailiaoniu Media type Web Place China Date 6/02/20 Description 香港城市大学的王钻开、内布拉斯加大学林肯分校的曾晓成以及中科院北京纳米能源与系统研究所的王中林（共同通讯作者）等人联合发文报道制备了一种从冲击水滴中富集能量的新型器件。 Producer/Author NanoCJ Persons Zuankai WANG Title Tiny device power 100 LEDs with just one raindrop Media name/outlet 1st news Media type Web Place Nigeria Date 6/02/20 Description First published in journal Nature, engineer Zuankai Wang from the City University of Hong Kong said, “Our research shows that a drop of 100 microlitres of water released from a height of 15 centimetres can generate a voltage of over 140 volts. The power generated can light up 100 small LED light bulbs." Producer/Author Lilian Osigwe Persons Zuankai WANG Title Generator Can Power 100 LEDs From Energy Of A Single Falling Raindrop Media name/outlet IFL Science Media type Web Place United Kingdom Date 6/02/20 Description Wang and co-authors announced their success in Nature, demonstrating their generator’s potential by dripping water onto a polytetrafluoroethylene film over an indium tin oxide substrate. As each drop of water spreads across the film it connects aluminum electrodes, allowing charges built up in the film to flow as electricity. Producer/Author Stephen Luntz URL https://www.iflscience.com/physics/generator-can-power-100-leds-from-energy-of-a-single-falling-raindrop/ Persons Zuankai WANG Title Tiny Device Can Power 100 LEDs With Just One Raindrop, Boost Clean Energy Generation Globally Media name/outlet Indiatimes Media type Web Place India Date 6/02/20 Description Researchers have found a way to generate electricity to power 10 small LED bulbs with just a single raindrop. First published in journal Nature, engineer Zuankai Wang from the City University of Hong Kong said, "Our research shows that a drop of 100 microlitres of water released from a height of 15 centimetres can generate a voltage of over 140 volts. The power generated can light up 100 small LED light bulbs.” Producer/Author Monit Khanna URL https://www.indiatimes.com/technology/news/this-electric-generator-powers-100-leds-from-a-single-raindrop-make-clean-energy-save-earth-505809.html Persons Zuankai WANG Title Device uses 'untapped' energy from falling raindrops to generate electricity Media name/outlet Institution of Mechanical Engineers Media type Web Place United Kingdom Date 6/02/20 Description An array of 100 small LED light bulbs was reportedly lit up by a drop falling onto the device, which was developed by a team of researchers led by the City University of Hong Kong (CityU). “Our research shows that a drop of 0.1ml of water released from a height of 15cm can generate a voltage of over 140V. And the power generated can light up 100 small LED light bulbs,” said Professor Wang Zuankai from CityU. URL https://www.imeche.org/news/news-article/device-uses-'untapped'-energy-of-falling-raindrops-to-generate-electric Persons Zuankai WANG Title New Electricity Generator: A Drop Of Water Can Power 100 LED Bulbs Media name/outlet Naturalblaze Media type Web Date 6/02/20 Description A research team led by scientists from the City University of Hong Kong (CityU) has recently developed a droplet-based electricity generator (DEG), featured with a field-effect transistor (FET)-like structure that allows for high energy-conversion efficiency and instantaneous power density increased by thousands times compared to its counterparts without FET-like structure. URL https://www.naturalblaze.com/2020/02/new-electricity-generator-a-drop-of-water-can-power-100-led-bulbs.html Persons Zuankai WANG Title Nature ：试试用“一滴水”点亮100盏灯 Media name/outlet WEMP Media type Web Place China Date 6/02/20 Description 香港城市大学机械工程系王钻开教授，美国内布拉斯加大学林肯分校曾晓成教授和中国科学院北京纳米能源与系统研究所王中林院士合作，提出一种三极管型水滴发电机（droplet-based electricity generator, DEG），使得水滴机械能转化为电能的功率得到3个数量级的提高。4滴体积为100微升的水滴从15厘米的高度释放，可以瞬间点亮400盏LED小灯泡。相关论文以“A droplet-based electricity generator with highinstantaneous power density”为题发表在Nature上。 Persons Zuankai WANG Title 香港城大最新研發水滴發電機 Media name/outlet EurekAlert Media type Web Place United States Date 5/02/20 Description 香港城市大學（香港城大）機械工程學系的王鑽開教授的研究團隊，最近研發出水滴發電機（droplet-based electricity generator），設有類似晶體管的結構，使它的瞬時功率密度（instantaneous power density）較現時類似的水滴發電機增加了數以千倍，並大大提升電能轉化效率，有助推動水力發電的科學研究及應對能源危機。有關研究成果在最新一期《自然》雜誌發表，論文題為「瞬時高功率密度水滴式發電機」。 Persons Zuankai WANG, Wanghuai XU, Huanxi ZHENG, Xiaofeng ZHOU, Kwok Hi Michael LEUNG, Zhengbao YANG, Chao ZHANG, Yuxin SONG Title New droplet-based electricity generator: A drop of water generates 140V power, lighting up 100 LED bulbs Media name/outlet 7thSpace Media type Web Date 5/02/20 Description A research team led by scientists from the City University of Hong Kong (CityU) has recently developed a droplet-based electricity generator (DEG), featured with a field-effect transistor (FET)-like structure that allows for high energy-conversion efficiency and instantaneous power density increased by thousands times compared to its counterparts without FET-like structure. This would help to advance scientific research of water energy generation and tackle the energy crisis. Persons Zuankai WANG, Wanghuai XU, Huanxi ZHENG, Xiaofeng ZHOU, Kwok Hi Michael LEUNG, Zhengbao YANG, Chao ZHANG, Yuxin SONG Title One drop of water could power 100 lightbulbs using revolutionary device Media name/outlet Silicon Republic Media type Web Place Ireland Date 5/02/20 Description In a paper published to Nature, a team led by scientists from the City University of Hong Kong revealed a water droplet-based electricity generator (DEG) built with a structure similar to a field-effect transistor (FET) developed by them. This allows for high energy conversion and instantaneous power density thousands of times greater than other devices. Producer/Author Colm Gorey URL https://www.siliconrepublic.com/machines/convert-rain-water-into-electricity Persons Zuankai WANG Title New droplet-based electricity generator: A drop of water generates 140V power, lighting up 100 LED bulbs Media name/outlet Tech Xplore Media type Web Place Isle Of Man Date 5/02/20 Description A research team led by scientists from the City University of Hong Kong (CityU) has recently developed a droplet-based electricity generator (DEG) with a field-effect transistor (FET)-like structure that allows for high energy conversion efficiency and instantaneous power density thousands of times that of its counterparts without FET technology. This would help to advance scientific research of water energy generation and tackle the energy crisis. Producer/Author City University of Hong Kong URL https://techxplore.com/news/2020-02-droplet-based-electricity-140v-power-bulbs.html Persons Zuankai WANG Title New Droplet-Based Electricity Generator: A Drop of Water Can Light Up 100 LED Bulbs Media name/outlet Scitechdaily Media type Web Place United States Date 5/02/20 Description A research team led by scientists from the City University of Hong Kong (CityU) has recently developed a droplet-based electricity generator (DEG), featured with a field-effect transistor (FET)-like structure that allows for high energy-conversion efficiency and instantaneous power density increased by thousands of times compared to its counterparts without FET-like structure. Producer/Author City University of Hong Kong URL https://scitechdaily.com/new-droplet-based-electricity-generator-a-drop-of-water-can-light-up-100-led-bulbs/ Persons Zuankai WANG, Wanghuai XU, Huanxi ZHENG, Xiaofeng ZHOU, Kwok Hi Michael LEUNG, Zhengbao YANG, Yuxin SONG, Chao ZHANG Title Scientists develop an electricity generator that can power 100 small LED light bulbs with the kinetic energy from a single raindrop Media name/outlet Mail on Sunday Media type Web Place United Kingdom Date 5/02/20 Description A single raindrop can now power 100 small LED light bulbs, effectively setting a new milestone for energy-harvesting technologies, scientists have reported. The droplet-based electricity generator has a high energy-conversion efficiency and power density thousands of times bigger than its counterparts. The developers hope the tech will help to tackle the world energy crisis by providing new ways of making use of the environmental energy around us in water and rain. Producer/Author Ian Randall URL https://www.mailonsunday.co.uk/sciencetech/article-7970601/Electricity-generator-power-100-small-LED-light-bulbs-single-raindrop.html Persons Zuankai WANG Title Scientists develop an electricity generator that can power 100 small LED light bulbs with the kinetic energy from a single raindrop Media name/outlet Daily Mail Online Media type Web Place United Kingdom Date 5/02/20 Description A single raindrop can now power 100 small LED light bulbs, effectively setting a new milestone for energy-harvesting technologies, scientists have reported. The droplet-based electricity generator has a high energy-conversion efficiency and power density thousands of times bigger than its counterparts. The developers hope the tech will help to tackle the world energy crisis by providing new ways of making use of the environmental energy around us in water and rain. Producer/Author Ian Randall URL https://www.dailymail.co.uk/sciencetech/article-7970601/Electricity-generator-power-100-small-LED-light-bulbs-single-raindrop.html Persons Zuankai WANG Title New droplet-based electricity generator: A drop of water generates 140V power, lighting up 100 LED bulbs Media name/outlet SCIENMAG Media type Web Place United Kingdom Date 5/02/20 Description A research team led by scientists from the City University of Hong Kong (CityU) has recently developed a droplet-based electricity generator (DEG), featured with a field-effect transistor (FET)-like structure that allows for high energy-conversion efficiency and instantaneous power density increased by thousands times compared to its counterparts without FET-like structure. Persons Zuankai WANG, Wanghuai XU, Huanxi ZHENG, Xiaofeng ZHOU, Kwok Hi Michael LEUNG, Zhengbao YANG, Chao ZHANG, Yuxin SONG