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韩国研发出微小型高电压能量发生器
韩国 微小型 高电压 能量发生器
2018/1/31
韩国研究财团发布消息称，韩国西江大学联合全南大学通过模拟电鳗发电原理和结构开发出微小型高电压能量发生器。该研究获得韩国科学技术信息通信部、韩国研究财团的项目扶持，其成果发表在能量领域国际学术杂志《纳米能量》上。利用微型设备电源供应装置，在没有污染物质情况下，通过离子浓度差发电是该领域研究重点，但目前无污染物质排放供应电源装置不足，且只能使用阳离子膜或阴离子膜，输出电压较低，无法应用于实际。研究组此...
加拿大发现给电子设备充电的新方法
加拿大 电子设备 充电方法
2018/1/18
加拿大阿尔伯塔大学发布消息称，该校研究人员开发一种新的方法来产生电力，可以对手持设备或传感器进行充电。相关研究成果发表在2017年12月11日的《自然纳米技术》（Nature Nanotechnology）杂志上。这个发现给一种叫做摩擦纳米发电机的装置制定了一个新的世界标准。这种摩擦纳米发电机可以产生一个高强度的直流电，与其他研究团队生产的低质量交流电流相比，是一个显著的进步。到目前为止，其他团队...
Metal Printing Offers Low-Cost Way to Make Flexible,Stretchable Electronics（图）
Metal Printing Low-Cost Make Flexible Stretchable Electronics
2018/1/10
Direct printing of flexible and stretchable conductors provides a low-cost mask-less approach for the fabrication of next-generation electronics. In this work, an electrohydrodynamic (EHD) printing te...
A Sea of Spinning Electrons（图）
Sea Spinning Electrons
2017/10/25
Picture two schools of fish swimming in clockwise and counterclockwise circles. It’s enough to make your head spin, and now scientists at Rutgers University-New Brunswick and the University of Florida...
Energy Harvested from Evaporation Could Power Much of U.S.,Says Study（图）
Energy Harvested Evaporation Power Much U.S.
2017/10/24
In the first evaluation of evaporation as a renewable energy source, researchers at Columbia University find that U.S. lakes and reservoirs could generate 325 gigawatts of power, nearly 70 percent of ...
美国科学家开发出自供电智能窗户
美国 科学家 自供电 智能窗户
2017/8/14
智能窗户能通过改变其色调增加照明、降低制冷和供暖系统使用率，可帮助建筑物节省40%的能源成本，但往往难以安装在现有建筑物中。美国普林斯顿大学的研究人员通过应用新的太阳能电池技术，开发出可自动供电的智能窗户，其价格低廉且易于应用于现有建筑。该系统采用能够选择性吸收近紫外光的太阳能电池，完全实现自供电。使用近紫外光为窗户供电，要求太阳能电池完全透明，并且与窗户面积相同，以减少设计限制。研究人员使用有机...
Researchers develop model to predict and prevent power outages using big data（图）
Researchers model to predict prevent power outages big data
2017/9/1
High-speed winds during a thunderstorm may cause trees around an electric grid to crash into the distribution system feeders causing an outage in that area. Currently, most utility companies diminish ...
Study Finds ‘Smart’ Transformers Could Make Reliable Smart Grid a Reality
Smart Transformers Smart Grid
2017/7/24
The feasible equilibria of operation of distribution-level power system models interfaced with solid-state transformers (SST) are analyzed and presented through a set of analytical relationships. The ...
Molecular Electronics Scientists Shatter ‘Impossible’ Record
Molecular Electronics Scientists Shatter Impossible Record
2017/7/24
An international research team that includes University of Central Florida Professor Enrique del Barco, Damien Thompson of the University of Limerick and Christian A. Nijhuis of the National Universit...
Self-powered system makes smart windows smarter（图）
Self-powered system makes smart windows smarter
2017/7/24
Smart windows equipped with controllable glazing can augment lighting, cooling and heating systems by varying their tint, saving up to 40 percent in an average building's energy costs.These smart wind...
New Design Improves Performance of Flexible Wearable Electronics
New Design Performance Flexible Wearable Electronics
2017/7/24
Interest in wearable electronics for continuous, long-term health and performance monitoring is rapidly increasing. The reduction in power levels consumed by sensors and electronic circuits accompanie...
美开发可自校准电场测量新方法
自校准电场测量 美国
2017/6/21
对手机等无线设备形成的电场进行精确的可自校准测量一直是个难题，而如今美国研究人员找到了解决之道。美国国家标准与技术研究所（NIST）研究人员在最新一期《应用物理杂志》上发表论文称，他们开发出一种基于原子共振来测量电场的新方法，不仅能进行自校准，还可扩大测量范围，改进空间分辨率。
Do Americans want to use more renewable energy?Yes they do – regardless of whether they’re Democrats or Republicans, according to new research by Washington State University sociologists.Christine Hor...
斯坦福大学鲍哲南教授开发出可生物降解的半导体（图）
斯坦福大学 鲍哲南教授 可生物降解 半导体
2017/5/4
长久以来人们都在幻想将芯片植入体内来实现一些特殊用途，比如生命数据检测、通信等等。现在，借助科学家发明的新材料，我们距离实现这种愿望又近了一步。斯坦福大学鲍哲南教授率领的科研小组于当地时间5月1日正式宣布，成功开发出可用于人体皮肤的可降解半导体基板。
Jumping droplets whisk away hotspots in electronics
Jumping droplets whisk away hotspots electronics
2017/4/27
Engineers have developed a technology to cool hotspots in high-performance electronics using the same physical phenomenon that cleans the wings of cicadas.
When water droplets merge, the reduction in...