Novel Cells and Systems for Intermediate Concentration Photovoltaics

用于中聚光光伏的新型电池和系统

基本信息

  • 批准号:
    RGPIN-2020-05704
  • 负责人:
  • 金额:
    $ 2.84万
  • 依托单位:
  • 依托单位国家:
    加拿大
  • 项目类别:
    Discovery Grants Program - Individual
  • 财政年份:
    2022
  • 资助国家:
    加拿大
  • 起止时间:
    2022-01-01 至 2023-12-31
  • 项目状态:
    已结题

项目摘要

In the last few years, there have been dramatic decreases in the cost of solar photovoltaics (PV) such that it is now the least expensive and most rapidly growing form of utility-scale electricity supply in many jurisdictions. Most PV energy is provided by silicon modules, where the cell cost is now only a small fraction of the overall system cost, making cell efficiency paramount in driving further reduction in energy cost. While the average efficiency of all PV cells deployed globally is only ~18%, commercial size cells have been demonstrated with an efficiency of 26.7% and deployed cell efficiencies are expected to continue to rise for the next 5-10 years, fundamentally limited to 29.4% by Auger recombination. In an alternate approach called concentrator photovoltaics (CPV), sunlight is focussed ~1000X onto a solar cell by an optical system that accurately tracks the sun. In this approach, very high efficiency multijunction solar cells which have reached a record 47.1% efficiency can be used because their high cost is mitigated by the high level of optical concentration. Despite these benefits, CPV systems remain costly as compared to the much simpler solar modules deployed at scale. In order to accelerate global PV deployment, new strategies at the cell/system level are required to further increase cell efficiency and lower system costs. One avenue that has not been fully explored is consideration of intermediate optical concentrations, in the range of 5-200X, where the main benefit of concentration - the use of higher-cost higher-efficiency cells - can still be accrued, but the cost and complexity of the concentrator system can be greatly reduced. At the system level, requirements for optical components and tracking systems become less stringent and we will develop novel low profile passive tracking systems, suitable for commercial rooftop applications. At the lowest concentrations (5-10X), non-tracking designs are possible and we will develop high optical-throughput concentrator systems. At the cell level, intermediate concentration makes it feasible to introduce more complex fabrication processes such as photolithography, CVD growth and ion implantation that are currently too costly for 1-sun applications. As one example, we have shown theoretically that use of repeated silicon cells for the base of a tandem cell opens up new material choices for the top cell, while still achieving high efficiency. We will further develop this concept and design/fabricate/test new cell designs for high-efficiency intermediate concentration applications. The anticipated outcome of this research program is a deep and comprehensive understanding of the scientific and technological opportunities of intermediate concentration photovoltaics, providing a long-term conceptual roadmap for future work. Working with Canadian industry, we will develop new high-efficiency and low-cost PV cells and systems for deployment in Canada and for export to the global market.
在过去几年中,太阳能光伏发电的成本急剧下降,因此在许多司法管辖区,它现在是最便宜和增长最快的公用事业规模电力供应形式。大多数光伏能源是由硅模块提供的,电池成本现在只占整个系统成本的一小部分,这使得电池效率在推动进一步降低能源成本方面至关重要。虽然全球部署的所有光伏电池的平均效率仅为18%左右,但商业规模的电池已被证明效率为26.7%,预计在未来5-10年内,部署的电池效率将继续提高,但由于俄歇重组,其效率基本限制在29.4%。在另一种称为聚光光伏(CPV)的方法中,通过精确跟踪太阳的光学系统,将太阳光聚焦到太阳能电池上约1000倍。在这种方法中,非常高效的多结太阳能电池已经达到了创纪录的47.1%的效率,因为它们的高成本被高水平的光浓度所缓解。尽管有这些好处,与大规模部署的更简单的太阳能组件相比,CPV系统仍然成本高昂。为了加速全球光伏部署,需要在电池/系统层面采取新的策略,以进一步提高电池效率并降低系统成本。一个尚未充分探索的途径是考虑中间光学浓缩,在5-200X范围内,浓缩的主要好处-使用成本更高效率更高的电池-仍然可以积累,但浓缩系统的成本和复杂性可以大大降低。在系统层面,对光学元件和跟踪系统的要求变得不那么严格,我们将开发适合商业屋顶应用的新型低姿态被动跟踪系统。在最低浓度(5-10倍)下,非跟踪设计是可能的,我们将开发高光通量聚光器系统。在细胞水平上,中间浓度使得引入更复杂的制造工艺(如光刻、CVD生长和离子注入)成为可能,这些工艺目前对于单太阳应用来说过于昂贵。作为一个例子,我们已经从理论上证明,使用重复的硅电池作为串联电池的基础,为顶部电池开辟了新的材料选择,同时仍然实现了高效率。我们将进一步发展这一概念,并设计/制造/测试用于高效中间浓度应用的新电池设计。本研究计划的预期结果是对中浓度光伏发电的科学和技术机会的深入和全面的理解,为未来的工作提供长期的概念性路线图。我们将与加拿大工业界合作,开发新的高效、低成本的光伏电池和系统,用于在加拿大部署并出口到全球市场。

项目成果

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Kleiman, Rafael其他文献

Kleiman, Rafael的其他文献

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{{ truncateString('Kleiman, Rafael', 18)}}的其他基金

Novel Cells and Systems for Intermediate Concentration Photovoltaics
用于中聚光光伏的新型电池和系统
  • 批准号:
    RGPIN-2020-05704
  • 财政年份:
    2021
  • 资助金额:
    $ 2.84万
  • 项目类别:
    Discovery Grants Program - Individual
Novel Cells and Systems for Intermediate Concentration Photovoltaics
用于中聚光光伏的新型电池和系统
  • 批准号:
    RGPIN-2020-05704
  • 财政年份:
    2020
  • 资助金额:
    $ 2.84万
  • 项目类别:
    Discovery Grants Program - Individual
Selective Area Growth of Semiconductor Structures by MOCVD for Telecommunication Applications
用于电信应用的 MOCVD 半导体结构的选择性区域生长
  • 批准号:
    543559-2019
  • 财政年份:
    2019
  • 资助金额:
    $ 2.84万
  • 项目类别:
    Engage Grants Program
Lower Cost and Higher Efficiency Solar Cells for 1-sun Applications
适用于 1 太阳应用的成本更低、效率更高的太阳能电池
  • 批准号:
    RGPIN-2014-03736
  • 财政年份:
    2019
  • 资助金额:
    $ 2.84万
  • 项目类别:
    Discovery Grants Program - Individual
Lower Cost and Higher Efficiency Solar Cells for 1-sun Applications
适用于 1 太阳应用的成本更低、效率更高的太阳能电池
  • 批准号:
    RGPIN-2014-03736
  • 财政年份:
    2017
  • 资助金额:
    $ 2.84万
  • 项目类别:
    Discovery Grants Program - Individual
Lower Cost and Higher Efficiency Solar Cells for 1-sun Applications
适用于 1 太阳应用的成本更低、效率更高的太阳能电池
  • 批准号:
    RGPIN-2014-03736
  • 财政年份:
    2016
  • 资助金额:
    $ 2.84万
  • 项目类别:
    Discovery Grants Program - Individual
Lower Cost and Higher Efficiency Solar Cells for 1-sun Applications
适用于 1 太阳应用的成本更低、效率更高的太阳能电池
  • 批准号:
    462022-2014
  • 财政年份:
    2016
  • 资助金额:
    $ 2.84万
  • 项目类别:
    Discovery Grants Program - Accelerator Supplements
Improved thermal management of solar cells through thermal transpiration
通过热蒸腾改善太阳能电池的热管理
  • 批准号:
    499423-2016
  • 财政年份:
    2016
  • 资助金额:
    $ 2.84万
  • 项目类别:
    Engage Grants Program
Lower Cost and Higher Efficiency Solar Cells for 1-sun Applications
适用于 1 太阳应用的成本更低、效率更高的太阳能电池
  • 批准号:
    462022-2014
  • 财政年份:
    2015
  • 资助金额:
    $ 2.84万
  • 项目类别:
    Discovery Grants Program - Accelerator Supplements
Lower Cost and Higher Efficiency Solar Cells for 1-sun Applications
适用于 1 太阳应用的成本更低、效率更高的太阳能电池
  • 批准号:
    RGPIN-2014-03736
  • 财政年份:
    2015
  • 资助金额:
    $ 2.84万
  • 项目类别:
    Discovery Grants Program - Individual

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    2021
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