相关实验视频

Updated: May 23, 2025

Extending the Lifespan of Soluble Lead Flow Batteries with a Sodium Acetate Additive

Extending the Lifespan of Soluble Lead Flow Batteries with a Sodium Acetate Additive

Published on: January 7, 2019

在PbHfO₃基抗铁电陶中通过优化参数来实现出色的能量储存和放电性能

Shuifeng Li^1,2, Dongliang Li¹, Xin-Gui Tang¹

¹Guangdong Provincial Key Laboratory of Sensing Physics and System Integration Applications, School of Physics and Optoelectric Engineering, Guangdong University of Technology, Guangzhou 510006, China.

ACS applied materials & interfaces

|May 9, 2025

概括

反铁电陶显示出对脉冲电力和能量存储的承诺. 在 (Pb0.96La0.02Ca0.02) ((Hf0.9Sn0.1) O3 (C1) AFE陶中优化颗粒大小和抗铁电性,实现了高能量密度和效率.

科学领域:

材料科学材料科学材料科学
固态物理固态物理
陶工程陶工程陶工程

背景情况:

抗铁电 (AFE) 材料提供高功率密度和快速充放电能力,用于脉冲功率和储能.
提高AFE陶的能量储存密度和分解强度是一个关键的研究目标.

研究的目的:

提出一个参数优化方法,以提高AFE陶的粒度和抗铁电性.
为了提高AFE陶的储能密度和分解强度.

主要方法:

优化陶参数以控制颗粒大小并增强反铁电性.
极化电场 (P-E) 歇斯底里循环的表征,以检测场诱导的相变.
评估能量储存密度,可回收能量密度,能源效率,功率密度和放电时间.

主要成果:

在 (Pb0.96La0.02Ca0.02) ((Hf0.9Sn0.1) O3 (C1) AFE陶中获得了13.6 J/cm3的优异可回收能量密度 (Wrec) 和82%的能量效率 (η).
在C1陶的PE歇斯底里循环中观察到多阶段场诱导的相变现象.
获得了314.6MW/cm3的优异功率密度 (PD),9.05J/cm3的放电能量密度 (Wdis),以及在380kV/cm时84ns的快速放电时间.

结论:

提出的参数优化方法成功提高了AFE陶的能量储存密度和分解强度.
C1 AFE陶具有出色的热稳定性和频率稳定性,以及出色的能量存储和放电性能.
这些结果强调了 (Pb0.96La0.02Ca0.02) ((Hf0.9Sn0.1) O3 AFE陶在先进的脉冲动力系统和储能应用中的巨大潜力.

关键词:

反铁电陶是一种反铁电陶.电荷-放电性能电荷-放电性能储能储能是一种储能方式.的哈夫酸盐是什么多相过渡是多相过渡的过程.

更多相关视频

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications

Published on: August 12, 2013

The Effect of Charging and Discharging Lithium Iron Phosphate-graphite Cells at Different Temperatures on Degradation

The Effect of Charging and Discharging Lithium Iron Phosphate-graphite Cells at Different Temperatures on Degradation

Published on: July 18, 2018

相关概念视频

Batteries and Fuel Cells

Batteries and Fuel Cells

A battery is a galvanic cell that is used as a source of electrical power for specific applications. Modern batteries exist in a multitude of forms to accommodate various applications, from tiny button batteries such as those that power wristwatches to the very large batteries used to supply backup energy to municipal power grids. Some batteries are designed for single-use applications and cannot be recharged (primary cells), while others are based on conveniently reversible cell reactions that...