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海利泰克有机叠层太阳能电池效率10.7%，1.1平方厘米！已有5人参与
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德国有机光伏开发商Heliatek在1.1cm2的衬底上研制出了效率达到10.7%的有机层叠太阳能电池，打破了同类电池原有的记录。该结果得到检测机构SGS的认证，SGS还同时肯定了有机光伏电池在低光照和高温条件下的优势。 “Heliatek采用独特的卷对卷工艺，在低温真空条件下沉积有机分子，”Heliatek的联合创始人兼首席技术官马丁·法伊弗博士(Dr. Martin Pfeiffer)表示，“我们的高纯均质薄膜厚度仅有纳米尺度，我们可以系统的对电池结构进行设计以提高电池的效率和寿命。” 除标准测试条件(STC)外，SGS还在低光照条件下进行了测试(辐射强度100W/ m2)，低光照情况下的效率要比1000W/ m2的标准条件下高出15%。传统晶体硅太阳能电池在高温条件下效率将降低15%到20%，而有机光伏电池则在高温测试中取保持了与标准条件下一致的效率。 Heliatek还称在真实条件的户外测试中，有机光伏电池的发电输出要比晶硅和其他薄膜技术高出15%到20%。 Heliatek目前正计划向投资者融资6000万欧元，并在德国德累斯顿安装一条75MW的卷对卷生产线。预计该生产线将在2012年第三季度投产。 Heliatek GmbH, technology leader in the field of organic solar films, continues to set new world records for organic solar cells. The company has commissioned SGS, an accredited and independent testing facility, with a measurement campaign of its latest organic photovoltaic (OPV) cells. The result of this campaign is a new world record for OPV with 10.7 % cell efficiency on 1.1 cm2. It also confirms the superior low light and high temperature performances of OPV compared to traditional solar technologies. The key to Heliatek’s success is the family of small organic molecules – oligomers – developed and synthesized at its own lab in Ulm, Germany. Dr. Martin Pfeiffer, co-founder and CTO of Heliatek, explains: “Heliatek is the only solar company in the world that uses the deposition of small organic molecules in a low temperature, roll-to-roll vacuum process. Our solar tandem cells are made of nanometers thin layers of high purity and uniformity. This enables us to literally engineer the cell architecture to systematically improve efficiency and lifetime.” The measurement campaign of SGS included efficiency measurements under standard testing conditions (STC) of the solar industry as well as performance measurements at low light and high temperatures of up to 80 °C. The test results not only set a new world record for OPV with 10.7 % cell efficiency, but the additional measurements highlight the superior performance of Heliatek’s OPV cells under real life conditions. The measurement results for low light established that the efficiency not only remains constant, but even increases gradually. At an irradiation of 100 W/m² the efficiency is 15 % higher compared to the standard efficiency measured at 1,000 W/m². Additionally, the measurements at high temperatures confirmed that the efficiency remains constant. This behavior is unique for OPV technology in contrast to traditional solar technology which efficiency drops 15 % to 20 % at elevated temperatures. These technology advantages translate into a higher harvesting factor under real life conditions. First outdoor tests have shown that the harvesting factor of Heliatek’s organic solar cells is 15 % to 25 % higher than crystalline and thin film solar. “When Heliatek was founded in 2006, the technology roadmap set out ambitious milestones for efficiency, and yet we have hit every single one of them,” says Thibaud Le Séguillon, CEO of Heliatek. “Thanks to the close cooperation between our research teams in chemistry and physics, we are now on our path to achieving 15 % efficiency within the next few years.” Heliatek is currently working on its first roll-to-roll manufacturing line installed in Dresden, Germany, to go in production in the third quarter of 2012. It has also kicked off a third financing round to raise €60 million from current and new investors for a new roll-to-roll 75 MWp production line. [ Last edited by jimoyu on 2012-5-2 at 16:29 ] |
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