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相关概念视频

P-N junction01:11

P-N junction

545
A p-n junction is formed when p-type and n-type semiconductor materials are joined together. At the interface of the p-n junction, holes from the p-side and electrons from the n-side begin to diffuse into the opposite sides due to the concentration gradient. This diffusion of carriers leads to a region around the junction where there are no free charge carriers, known as the depletion region. The charge density within the depletion region for the n-side and p-side can be described by the...
545
PI Controller: Design01:24

PI Controller: Design

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Proportional Integral (PI) controllers are a fundamental component in modern control systems, widely used to enhance performance and mitigate steady-state errors. They are particularly effective in applications such as automatic brightness adjustment on smartphones, where they excel at mitigating steady-state errors for step-function inputs. Unlike PD controllers, which require time-varying errors to function optimally, PI controllers leverage their integral component to address residual...
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Light Spot-Based Assay for Analysis of Drosophila Larval Phototaxis
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可调节照明环境的块型3D室内光伏用于无线传感器通信.

Yeon Hyang Sim1, Jung-Hyun Hwang2,3, Min Ju Yun1

  • 1Energy Conversion Research Center, Electrical Materials Research Division, Korea Electrotechnology Research Institute, 12, Jeongiui-Gil, Seongsan-Gu, Changwon, 51543, Korea.

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|October 19, 2023
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概括

新的3D晶太阳能电池在各种照明条件下提供更好的功率输出. 这一进步支持物联网和边缘计算应用中对光伏 (PV) 的日益增长的需求.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 可再生能源工程可再生能源工程
  • 半导体物理 半导体物理

背景情况:

  • 物联网 (IoT) 和边缘计算的扩散需要对光伏 (PV) 的更大需求.
  • 现有的光伏技术在适应多样化,往往低于最佳的室内照明环境方面存在局限性.
  • 太阳能光伏系统需要适应变化的光照条件,而不会损害电池完整性.

研究的目的:

  • 为晶太阳能电池开发一种新的三维 (3D) 结构.
  • 提高光伏发电厂在全方位和低光条件下的发电能力.
  • 为了使光伏系统能够在室内环境中有效地运行物联网和边缘计算.

主要方法:

  • 制造一个与晶太阳能电池阵列集成的三维 (3D) 结构.
  • 应用块式方法来修改光伏形态,以改善光吸收.
  • 在不同亮度水平 (532 lx和1620 lx) 下测试3D室内光伏的性能.

主要成果:

  • 开发的3D室内光伏在全方位光线下显示出增强的功率输出.
  • 块式3D结构允许在不损坏太阳能电池的情况下进行形态变化.
  • 一个蓝牙低能耗模块的成功运行是通过3D室内光伏在532lx (129.9cm2面积) 和1620lx (32.48cm2面积) 实现的.

结论:

  • 块式3D结构是一种有效的方法,可以提高水晶太阳能电池在室内照明中的性能.
  • 这项技术解决了在不断扩大的物联网和边缘计算领域适应性光伏解决方案的需求.
  • 室内3D光伏设计显示出在各种环境中为低能耗电子设备供电的前景.