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Photoluminescence: Applications

Photoluminescence: Applications

Photoluminescence offers a wide range of applications due to its inherent sensitivity and selectivity. This technique allows for both direct and indirect analyses of the analyte. Direct quantitative analysis is possible when the analyte exhibits a favorable quantum yield for fluorescence or phosphorescence. However, an indirect analysis may be feasible if the analyte is not fluorescent or phosphorescent, or if the quantum yield is unfavorable. Indirect methods include reacting the analyte with...

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Updated: Mar 13, 2026

Coin Cell Battery Chamber Design for Low-temperature Operando Experiments

Coin Cell Battery Chamber Design for Low-temperature Operando Experiments

Published on: February 17, 2026

高精度和分辨率的光强度比温度计,用于在离子电池中实时监测温度.

Qian Gao¹, Xianglong Xiao¹, JianJun Huang¹

¹College of Optical and Electronic Technology, China Jiliang University, Hangzhou 310018, China.

Inorganic chemistry

|March 12, 2026

概括

一种使用增强升级转换发光的全纤温度计可以实时监测离子电池的温度. 这种高精度光学传感器为电池应用提供了更好的安全性和性能.

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Identification and Quantification of Decomposition Mechanisms in Lithium-Ion Batteries; Input to Heat Flow Simulation for Modeling Thermal Runaway

Identification and Quantification of Decomposition Mechanisms in Lithium-Ion Batteries; Input to Heat Flow Simulation for Modeling Thermal Runaway

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Synthesis of Ionic Liquid Based Electrolytes, Assembly of Li-ion Batteries, and Measurements of Performance at High Temperature

Synthesis of Ionic Liquid Based Electrolytes, Assembly of Li-ion Batteries, and Measurements of Performance at High Temperature

Published on: December 20, 2016

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Last Updated: Mar 13, 2026

Coin Cell Battery Chamber Design for Low-temperature Operando Experiments

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Published on: February 17, 2026

Identification and Quantification of Decomposition Mechanisms in Lithium-Ion Batteries; Input to Heat Flow Simulation for Modeling Thermal Runaway

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Published on: March 7, 2022

Synthesis of Ionic Liquid Based Electrolytes, Assembly of Li-ion Batteries, and Measurements of Performance at High Temperature

Synthesis of Ionic Liquid Based Electrolytes, Assembly of Li-ion Batteries, and Measurements of Performance at High Temperature

Published on: December 20, 2016

科学领域:

光学传感材料光学传感材料
固态发光光是一种光.
储能设备储能设备储能设备

背景情况:

光强度比 (FIR) 技术对于光学传感至关重要.
开发用于实际应用的高性能温度传感器面临着挑战.
实时温度监测对于离子电池 (LIB) 的安全性和性能至关重要.

研究的目的:

为实时LIB温度监测构建一个全纤维FIR温度计.
为了增强Er³⁺/Yb³⁺的上转换发光量,编顶了Y₂Mo₃O₁₂的光体,以提高传感器性能.
调查开发的温度计在监测内部LIB温度中的应用.

主要方法:

合成的K⁺/Mg²⁺离子是Er³⁺/Yb³⁺:Y₂Mo₃O₁₂的.
制造了一种全纤维FIR温度计,利用增强的.
将光纤传感探头植入袋式LIB中,用于现场温度测量.

主要成果:

在向上转换的发光度中实现了三次数的增强.
开发了一种温度计,温度测量精度为±0.1K,分辨率为0.01K.
对于100K的温度差异,证明了1.14s的快速热响应时间.
在2000mAh的LIB.中,在5C的充电速度下,测量了最大的内部温度上升25.30K.

结论:

开发的全纤维FIR温度计使LIBs的高精度,高分辨率和实时温度监测成为可能.
材料设计策略显著改善了光学温度计的性能.
这项工作为在电池管理系统中实际使用比度温度传感器奠定了基础.