相关实验视频

Updated: May 5, 2026

Influence of Hybrid Perovskite Fabrication Methods on Film Formation, Electronic Structure, and Solar Cell Performance

Influence of Hybrid Perovskite Fabrication Methods on Film Formation, Electronic Structure, and Solar Cell Performance

Published on: February 27, 2017

高的矿的性能预测La_0.8Sr_0.2Mn_xCo_yFe_zO₃与组合图书馆和机器学习的自动高通量表征

Carlota Bozal-Ginesta^1,2, Juande Sirvent¹, Giulio Cordaro³

¹Nanoionics and Fuel Cells group, Catalonia Institute for Energy Research, Jardins de Les Dones de Negre 1, Sant Adrià de Besòs, Barcelona, 08930, Spain.

Advanced materials (Deerfield Beach, Fla.)

|November 5, 2024

概括

高的矿氧化物显示出对固体氧化物电池氧气电极的希望. 富含铁的组合物表现出最好的性能,与氧子网格扭曲有关.

科学领域:

材料科学材料科学材料科学
电化学电化学电化学
固氧化物燃料电池固氧化物燃料电池

背景情况:

矿氧化物为各种应用提供可调节的性能.
探索广的组成空间需要先进的方法,如高通量实验和机器学习.

研究的目的:

研究高 La0.8Sr0.2Mnx C o y F e z O3±δ 矿氧化物中的组成-结构-性能关系.
在固体氧化物细胞 (SOC) 中确定氧气电极的最佳组成.

主要方法:

使用薄膜组合脉冲激光沉积制造连续组成图的制造.
使用六种绘图技术对构成性,结构性和电化学性质进行表征.
机器学习 (随机森林) 来建模电化学性能.

主要成果:

富含铁的矿氧化物被确定为最佳的氧气电极材料.
最低的区域特异性电阻值是在700°C以富含铁的组合物实现的.
在氧子网格扭曲和增强电极性能之间发现了相关性.

结论:

高的矿氧化物,特别是富含铁的矿氧化物,对于SOC氧气电极来说是有前途的.
机器学习有效地预测性能,并确定关键的结构-属性关系.
氧子晶格扭曲是高性能氧电极的关键因素.

关键词:

高氧化物高氧化物高通量实验的高通量实验机器学习是机器学习.矿氧化物矿氧化物固体氧化物燃料电池是一种固体氧化物燃料电池.

更多相关视频

Probe Type II Band Alignment in One-Dimensional Van Der Waals Heterostructures Using First-Principles Calculations

Probe Type II Band Alignment in One-Dimensional Van Der Waals Heterostructures Using First-Principles Calculations

Published on: October 12, 2019

Picometer-Precision Atomic Position Tracking through Electron Microscopy

Picometer-Precision Atomic Position Tracking through Electron Microscopy

Published on: July 3, 2021

相关概念视频

Predicting Molecular Geometry

Predicting Molecular Geometry

VSEPR Theory for Determination of Electron Pair Geometries

Predicting Reaction Outcomes

Predicting Reaction Outcomes

Kinetics describes the rate and path by which a reaction occurs. In contrast, thermodynamics deals with state functions and describes the properties, behavior, and components of a system. It is not concerned with the path taken by the process and cannot address the rate at which a reaction occurs. Although it does provide information about what can happen during a reaction process, it does not describe the detailed steps of what appears on an atomic or a molecular level. On the other hand,...

Determination of Crystal Structures

Determination of Crystal Structures

In the late 1800s, the revelation that light extended beyond visible wavelengths led to the discovery of X-rays by Wilhelm Roentgen. Recognized as high-energy electromagnetic radiation with short wavelengths, X-rays prompted exploration into their interaction with crystals. Max von Laue proposed in 1912 that the periodic arrangement of atoms, ions, or molecules in crystals would cause them to diffract X-rays, a hypothesis confirmed through experiments with copper sulfate and zinc sulfide...