搜索结果: 1-15 共查到“国际动态 电化学”相关记录22条 . 查询时间(1.356 秒)
国外研究发现金属钆能使氢能材料电导率提高20倍
金属钆 氢能材料 电导率
2024/1/23
俄罗斯乌拉尔联邦大学氢能研究所与乌拉尔分院高温电化学研究所科研人员研发一种新型氢能材料，用稀有金属钆对层状钙钛矿进行修饰。经修饰的钙钛矿材料具有良好的电导率，可用于制备将化学能转化为电能的基础性材料，减少碳排放。研究结果发表在《Materials》杂志上。
An energy-storage solution that flows like soft-serve ice cream（图）
储能解决方案 半固体 电化学化合物 风能 太阳能
2023/6/19
Batteries made from an electrically conductive mixture the consistency of molasses could help solve a critical piece of the decarbonization puzzle. An interdisciplinary team from MIT has found that an...
俄研发出电化学制备金属锝新方法
俄 电化学 金属锝 新方法
2020/8/5
俄罗斯门捷列夫化工大学、俄罗斯科学院金物理化学与电化学研究所和俄罗斯国家科学中心库尔恰托夫研究所的科研人员，利用电化学原理研发出从锝化合物溶液中制备锝的新方法。相关研究成果发表在《电分析化学》期刊上。
以色列理工学院和德国波鸿大学的两个研究小组表示，他们正在研究将光合聚光复合物的光吸收能力与光系统Ⅱ的电化学能力相结合，以此获取可再生清洁能源，即利用光合作用为未来开发可再生清洁能源。
HCN通道超极化过程中的电位感受器运动（图）
HCN通道 超极化过程 电位 器运动
2019/12/19
近日，美国洛克菲勒大学等科研机构的科研人员在Cell上发表了题为“Voltage Sensor Movements during Hyperpolarization in the HCN Channel”的文章，揭示了HCN通道超极化过程中的电位感受器运动。超极化激活环核苷酸门控（hyperpolarization-activated cyclic nucleotide-gated，HCN）通道是...
Nanoparticles may have bigger impact on the environment than previously thought（图）
nanoparticle environment bigger impact on
2019/10/17
Over the last two decades, nanotechnology has improved many everyday products, from microelectronics to sunscreens. Nanoparticles (particles just a few hundred atoms in size) are ending up in the envi...
意大利国家研究委员会电子和磁性材料研究所（CNR-IMEM）的科学家与俄罗斯、法国科学家合作，首次用聚合物开发的电化学元件（忆阻器）代替神经突触连接两个神经元，以人工方式实现了神经元之间的直接通信。该成果发表在最新一期《先进材料技术》（Advanced Materials Technologies）上。在人类大脑中，连接神经元的突触在两个神经元之间建立特定的单向信息流，这些连接是实现神经元基本功能...
韩国团队研发出新型环保氢制备技术
韩国团队 新型 环保氢 制备技术
2018/3/29
韩国科学技术研究院发布消息称，该院燃料电池研究中心研发出了环保氢制备新技术。研究成果刊登在国际学术刊物《Applied Catalysis B: Environmental》上。 作为应对全球气候变化的重要解决方案，世界各国对氢燃料汽车的关注度越来越高。目前，氢燃料大部分是利用天然气等化石燃料生产而成，污染度较高。现有工艺技术是将粉末进行物理涂抹，在此过程中需使用大量的催化剂(1~5mg/cm2)...
Scientists Get Better Numbers On What Happens When Electrons Get Wet（图）
Scientists Better Numbers Electrons Get Wet
2018/2/1
There’s a particular set of chemical reactions that governs many of the processes around us—everything from bridges corroding in water to your breakfast breaking down in your gut. One crucial part of ...
Spray-on Electric Rainbows:Making Safer Electrochromic Inks（图）
spray-on electric rainbows making safer electrochromic inks
2017/9/5
Anyone who has a rear-view mirror that automatically dims blue in reaction to annoying high-beam headlights glaring from behind has seen an electrochromic film in action.Now, chemists at the Georgia I...
Electrolytes Made from Liquefied Gas Enable Batteries to Run at Ultra-low Temperatures
Electrolytes Liquefied Gas Batteries to Run Ultra-low Temperatures
2017/7/21
Engineers at the University of California San Diego have developed a breakthrough in electrolyte chemistry that enables lithium batteries to run at temperatures as low as -60 degrees Celsius with exce...
Squeezing Every Drop of Fresh Water from Waste Brine
Squeezing Every Drop Fresh Water Waste Brine
2017/7/21
Engineers at the University of California, Riverside have developed a new way to recover almost 100 percent of the water from highly concentrated salt solutions. The system will alleviate water shorta...
美国斯坦福大学教授崔屹团队日前开发出一种基于半波整流交流电的电化学方法，可从海水中高效提取铀，较之传统的物理化学吸附法，提取能力提升了8倍，速度则提升了3倍。相关成果发表在最新的英国《自然·能源》杂志上。
For the first time,scientists catch water molecules passing the proton baton
first time scientists water molecules proton baton
2016/12/13
Water conducts electricity, but the process by which this familiar fluid passes along positive charges has puzzled scientists for decades.But in a paper published in the Dec. 2 issue of the ...
Energy storage devices called supercapacitors have become a hot area of research, in part because they can be charged rapidly and deliver intense bursts of power. However, all supercapacitors currentl...