搜索结果: 121-135 共查到“国际动态 电化学工程”相关记录303条 . 查询时间(2.25 秒)
日本开发高活性催化剂 有望促进燃料电池的普及
日本 高活性催化剂 燃料电池
2017/5/15
许多无机金属氧化物可以用作氧还原、析氧及析氢反应中能量变换的催化剂,但在多数情况下,它们的催化性能却并不高。究其原因,主要是它们的导电性低、催化活性点的面积小。
日本九州大学的研究小组用导电性强的碳纳米管(CNT)作基本材料。
目前用于智能手机和笔记本电脑的都是锂电池,然而锂电池虽然容量大,但长时间使用后存在发热着火的危险。日本Qualtec公司的研究团队将注意力集中在具有溶解度很高特性的高氯酸钠上,使用饱和高氯酸钠水溶液(SSPAS)进行CV测定试验,研究其在多大电压时发生电解。
Two early career researchers honored with Alan T. Waterman Award
Two early career researchers honored Alan T. Waterman Award
2017/4/27
The National Science Foundation (NSF) today recognized Baratunde "Bara" A. Cola of the Georgia Institute of Technology and John V. Pardon of Princeton University with the nation's highest honor for ea...
Stanford scientist’s new approach may accelerate design of high-power batteries
Stanford scientist accelerate design high-power batteries
2017/4/27
Research led by a Stanford scientist promises to increase the performance of high-power electrical storage devices, such as car batteries.In work published this week inApplied Physics Letters, the res...
俄罗斯新西伯利亚国立大学与俄罗斯科学院西伯利亚分院无机化学研究所的科学家们联合研发出一种新的合金(铱和钴的固态溶体),它可以用来替代昂贵的金属铂作为燃料电池的催化剂。
日本产业技术综合研究所先进镀膜技术研究中心近日对外宣布,其研究人员在材料中采用氧化物单结晶,开发出了电池内部不易产生短路的“全固态锂二次电池”。
New Nanofiber Marks Important Step In Next Generation Battery and Water Electrolysis Development
New Nanofiber Marks Next Generation Battery Water Electrolysis
2017/3/30
One of the keys to building electric cars that can travel longer distances and to powering more homes with renewable energy is developing efficient and highly capable energy storage systems.Materials ...
IU chemists create molecular 'leaf' that collects and stores solar power without solar panels
IU chemists molecular leaf that collects stores solar power solar panels
2017/3/30
An international team of scientists led by Liang-shi Li at Indiana University has achieved a new milestone in the quest to recycle carbon dioxide in the Earth’s atmosphere into carbon-neutral fuels an...
新型固态电池可给微型卫星供能
固态电池 微型卫星 立方体卫星 复合材料
2017/2/16
据美国国家航空航天局(NASA)官网近日报道,NASA正与迈阿密大学合作,研制一种新型固态电池,其体型小巧,节省空间,可用在“立方体卫星(CubeSats)”等微型卫星上。研究人员表示,新电池有望彻底改变操控小型载荷的方式。这款电池的原型由NASA肯尼迪太空中心探索研究与技术理事会首席研究员卢克·罗伯森和迈阿密大学复合材料专家赖安·卡基伦联手研制;电池的化学性能和结构则由迈阿密大学力学和航空航天工...
靠胃酸驱动的微型电池研制成功 可为植入式体征监测或药物输送设备供电
微型电池 柠檬电池
2017/2/14
美国麻省理工学院和布莱根妇女医院的研究人员开发出一种依靠胃酸驱动的伏打电池,可产生足够电力供微型传感器或药物输送设备运行。他们在2月6日出版的《自然·生物医学工程》杂志上撰文称,这一新型电源更安全廉价,有望成为目前体内传感器或药物输送设备所用电池的替代品。
CWRU researchers directly measure how perovskite solar films efficiently convert light to power
CWRU researchers directly measure perovskite solar films convert light to power
2017/2/16
Solar cells made with films mimicking the structure of the mineral perovskite are the focus of worldwide research. But only now have researchers at Case Western Reserve University directly shown the f...
欧盟加速锂离子电池绿色设计开发
锂离子电池 绿色设计 欧盟
2017/1/11
尽管锂离子电池技术存在一定缺陷,但在电动汽车、笔记本电脑和消费电子产品等领域的商业化应用愈加普及。近年来,来自亚洲规模化工业生产锂离子电池的竞争与日俱增,欧盟这一高增长行业的盈利空间受到挑战。欧盟第七研发框架计划(FP7)提供560万欧元,总研发投入850万欧元,由西班牙、法国、德国、意大利、奥地利、爱尔兰和瑞士7个欧盟成员国的锂离子电池工业界组成欧洲GREENLION研发团队,试图另辟蹊径,确保...
Scientists build bacteria-powered battery on single sheet of paper
Scientists bacteria-powered battery single sheet of paper
2017/1/9
Instead of ordering batteries by the pack, we might get them by the ream in the future.Researchers at Binghamton University, State University of New York have created a bacteria-powered battery on a s...
Major advance in solar cells made from cheap,easy-to-use perovskite
solar cells cheap perovskite
2016/11/29
Solar cells made from an inexpensive and increasingly popular material called perovskite can more efficiently turn sunlight into electricity using a new technique to sandwich two types of perovskite i...
Making high-performance batteries from junkyard scraps
Making high-performance batteries junkyard scraps
2016/11/29
Take some metal scraps from the junkyard; put them in a glass jar with a common household chemical; and, voilà, you have a high-performance battery.“Imagine that the tons of metal waste discarded ever...