SBIR Phase I: Nano-textured Light Management Layers Fabricated by a Roll-to-Roll (R2R) Nanoimprint Manufacturing Process - Significant Impacts to The Solar Photovoltaic Industry

SBIR 第一阶段：通过卷对卷 (R2R) 纳米压印制造工艺制造的纳米纹理光管理层 - 对太阳能光伏行业的重大影响

• 批准号: 1315067
• 负责人: Jim Wang
• 金额: $ 14.98万
• 依托单位: Nanonex Corporation
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2013
• 资助国家: 美国
• 起止时间: 2013-07-01 至 2013-12-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1315067&HistoricalAwards=false
• 关键词: SBIR; Phase; Nano; textured; Light

This Small Business Innovation Research (SBIR) Phase I project will develop and commercialize innovative light management films that will improve the efficiencies, reduce manufacturing costs, and benefit the overall deployment economics of wafer- and film crystalline-silicon (c-Si) solar photovoltaic (PV) cells. These films will be created from inexpensive materials by a scalable roll-to-roll nanoimprint production process. These films are designed to be applied simply to near-standard PV cells in the PV manufacturing facility, at relatively low temperatures. These light management films will combine light-trapping and anti-reflection properties to increase cell efficiencies, while reducing costs below those of existing technologies. This technology will significantly reduce the cost per unit power ($/W) of photovoltaic modules in several PV manufacturing sectors, and will increase in value as the thickness of crystal silicon solar cells decreases over the coming years.The broader impact/commercial potential of this project will benefit the overall deployment economics of wafer- and film crystalline-silicon (c-Si) solar photovoltaic cells, therefore benefit the 90% of the current solar PV market. This approach has significant near-term impact because it first addresses one of the largest, mature segments of current PV and mc-Si technology, which will translate to substantial annual cost reduction impact. Because the proposed technology is additive to the nearly-finished cell, it easily integrates within existing process flow at low cost. In the mid-term, the approach has even stronger, enabling impact. As the wafers continue to get thinner, the light trapping becomes increasingly important to keep the module efficiencies at a competitive level thus critically affecting the emergence and adoption of the thin-wafer and film c-Si technologies. The approach is especially critical to those technologies because it is additive and there is no material loss of the already thin wafer or film. It is important to note that increasing module efficiency has the benefit of lowering Balance-of-System costs across system-level installations and thus will create other cost savings.

这个小型企业创新研究（SBIR）第一阶段项目将开发和商业化创新的光管理薄膜，这将提高效率，降低制造成本，并有利于晶圆和薄膜晶体硅（c-Si）太阳能光伏（PV）电池的整体部署经济性。这些薄膜将由廉价的材料通过可扩展的卷对卷纳米压印生产工艺制成。这些膜被设计成在相对较低的温度下简单地应用于PV制造设施中的接近标准的PV电池。这些光管理膜将结合联合收割机的光捕获和抗反射性能，以提高电池效率，同时降低成本低于现有技术。该技术将显著降低光伏组件在多个光伏制造领域的单位功率成本（$/W），并将在未来几年随着晶体硅太阳能电池厚度的减小而增加价值。该项目更广泛的影响/商业潜力将有利于晶圆和薄膜晶体硅（c-Si）太阳能光伏电池的整体部署经济性，因此，受益于目前90%的太阳能光伏市场。这种方法具有重大的近期影响，因为它首先解决了当前光伏和多晶硅技术中最大的成熟领域之一，这将转化为实质性的年度成本降低影响。由于所提出的技术是对接近完成的电池的添加剂，因此它很容易以低成本集成在现有的工艺流程中。从中期来看，这一方法的影响力甚至更大。随着晶片不断变薄，光捕获变得越来越重要，以保持模块效率处于竞争水平，从而严重影响薄晶片和薄膜c-Si技术的出现和采用。该方法对于这些技术特别重要，因为它是添加剂，并且已经薄的晶片或薄膜没有材料损失。重要的是要注意，提高模块效率的好处是降低系统级安装的系统平衡成本，从而节省其他成本。