铜锌锡硫硒太阳能电池
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【科技日报】铜锌锡硫硒太阳能电池光电转换效率突破15%
Ke Ji Ri Bao· 2026-02-27 02:51
Core Insights - The research team at the Qingdao Institute of Bioenergy and Process Research has developed a new mechanism to control metal ion migration in copper zinc tin sulfur selenium (CZTSSe) photovoltaic materials, leading to a breakthrough in solar cell efficiency [1][2] - The photovoltaic conversion efficiency of CZTSSe solar cells has surpassed 15%, marking a significant advancement in China's research on next-generation solar cells [1] Group 1 - The new mechanism involves introducing a Li2SnS3 interface phase that guides metal ions during the phase transition process, resulting in more uniform and stable crystal structures [1] - The efficiency of the developed CZTSSe solar cells reached 15.45%, with an internationally certified efficiency of 15.04% [2] - The open-circuit voltage has exceeded 600 millivolts under narrow bandgap conditions, providing a new approach to overcoming performance bottlenecks in this type of photovoltaic device [2] Group 2 - CZTSSe materials are gaining attention in the photovoltaic field due to their abundant elemental reserves, low cost, high stability, and non-toxicity [1] - The research findings have significant implications for the industrialization process of CZTSSe solar cells, offering crucial theoretical and technical support [2]
每日市场观察-20260227
Caida Securities· 2026-02-27 01:49
每日市场观察 2026 年 2 月 27 日 【今日关注】 沪深两指全天围绕零轴小幅震荡,最终上证指数以微跌收盘,深证成 指收涨 0.19%。两市个股涨跌数量相当。热点方面,前期热点贵金属板 块早盘一度延续活跃趋势,随后电网产业链相关板块先后拉升,领涨 至收盘。消费、保险领域延续弱势表现,房地产概念同样转弱。 电网产业链的上涨逻辑与 AI 相关预期有关,此方向市场早先已有关注。 根据资金聚焦路径,可知 AI 相关热点正从下游逐渐向上游扩展。因此, 长期来看,电网产业具备较高投资价值。 节后两个交易日后,AI 概念重回资金关注视野。回顾之前成长概念股 投资逻辑,可合理推测 AI 概念有望延续从核心逐渐扩展至周边的相似 路径。因此,后续 AI+相关概念值得深入挖掘和关注。但短期内受年报 及一季报披露期影响,预计大概率仍以板块轮动为主。 【市场回顾】 市场概况:2 月 26 日,市场探底回升,三大指数涨跌不一,创业板指 盘中一度跌超 1%,黄白线分化。截至收盘,沪指跌 0.01%,深成指涨 0.19%,创业板指跌 0.29%。 【资金面】 主力资金流向:2 月 26 日,上证净流入 141.84 亿元,深证净流入 ...
铜锌锡硫硒太阳能电池光电转换效率突破15%
Ke Ji Ri Bao· 2026-02-27 00:47
Core Viewpoint - The research team at the Qingdao Institute of Bioenergy and Process Research has developed a new mechanism to control metal ion migration in copper zinc tin sulfur selenium (CZTSSe) photovoltaic materials, achieving a power conversion efficiency of over 15%, positioning China at the forefront of next-generation solar cell research [1][2]. Group 1: Research Breakthrough - The new mechanism involves introducing a Li2SnS3 interface phase that guides metal ions during the phase transition process, leading to more uniform and stable crystal structures [1]. - The power conversion efficiency of the CZTSSe solar cells reached 15.45%, with an internationally certified efficiency of 15.04% [2]. - The open-circuit voltage surpassed 600 millivolts for the first time under narrow bandgap conditions, addressing performance bottlenecks in this type of photovoltaic device [2]. Group 2: Material Advantages - CZTSSe materials are characterized by abundant elemental reserves, low cost, high stability, and non-toxicity, making them a focus in the photovoltaic field [1]. - The new approach significantly reduces internal defects in the CZTSSe materials, fundamentally enhancing the power generation capability of the solar cells [2].
2月27日早餐 | 国产大模型迎多个催化;谷歌推出Nano Banana 2
Xuan Gu Bao· 2026-02-26 23:57
美联储理事米兰:认为我们今年需要降息大约一个百分点。 拉加德:欧央行正严密监控AI对就业市场的影响,目前尚未见裁员潮。 大家早上壕! 先看海外要闻: 美股受科技股拖累,道指收涨0.03%、纳指收跌1.18%、标普500收跌0.54%;英伟达跌5.46%、AMD跌3.41%、特斯拉跌2.11%、谷歌A跌1.76%、 亚马逊跌1.29%。 谷歌:推出更快版本的最新图像模型Nano Banana 2,并将在谷歌旗下各产品中逐步上线。 苹果同意将三星存储芯片的价格提高100%。;库克暗示苹果将于下周一上午举行发布会。 美国稀土供应再恶化!部分航天与芯片被迫限产,钇价一年暴涨69倍。 容量碾压HBM 10倍!SK海力士联手闪迪,启动HBF全球标准化。 美乌在日内瓦举行会谈 为新一轮俄美乌三方会谈做准备 新一轮三方会谈将于3月初举行。 卫星图像显示美国11架F-22隐形战机抵达以色列。 Hetzner再次宣布涨价,云服务涨幅近40%。 奈飞拒绝提高收购华纳兄弟探索的报价,宣布重启股票回购计划,美股盘后一度涨13%。 国内重大事件汇总: 今日券商策略前瞻: 光大证券表示,短线指数或阶段性震荡,但市场情绪有望延续改善,至少结 ...
被誉下一代光伏路线的技术再获突破,行业关注“技术驱动的新一轮扩产窗口”
Xuan Gu Bao· 2026-02-26 23:29
东吴证券表示,2026年光伏设备行业将进入"技术升级驱动的新一轮结构性扩产窗口",工信部提高效 率、水耗与资本金门槛,政策方向利好高效率与低能耗路线,新技术产业化将带动设备增量需求。海外 地面需求与太空算力场景打开成为行业增长双引擎,美国、中东等地扩产需求明确,国产设备"借船出 海"逻辑强化。 金辰股份:公司拥有PERTOP + HJT+钙钛矿+组件设备多轮驱动,同时卧式PVD设备成功出货,成功切 入半导体新领域。 光大证券认为,美国光伏产能扩张离不开中国设备与技术支撑,中国光伏主产业链各环节产能全球占比 已提升至90%左右,设备技术实力、量产能力与可靠性经过充分验证,在海外供应链重塑中具备核心竞 争力。 光伏产业链上下游呈现协同发展态势,硅片端聚焦低氧单晶炉与薄片化,电池片端HJT、钙钛矿-晶硅 叠层等高效路线加速推进,组件端集中于0BB、叠栅及高功率封装方案,技术迭代推动全产业链设备需 求升级。 该技术核心优势显著:材料来源广泛,主要元素地壳储量丰富,不依赖稀有金属,材料成本低;采用溶 液法制备,搭配薄膜电池结构,制备成本与材料用量双重可控;且不含毒元素,安全环保,在复杂环境 中仍能稳定发挥性能,被业内认 ...