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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...

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Updated: Jun 11, 2025

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications

Published on: August 12, 2013

为高性能无阳极全固态电池的双种子战略

Yeeun Sohn^1,2, Jihoon Oh^1,2, Jieun Lee¹

¹School of Chemical and Biological Engineering and Institute of Chemical Process, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea.

Advanced materials (Deerfield Beach, Fla.)

|October 10, 2024

概括

此摘要是机器生成的。

研究人员开发了一种双种子保护层,使用银和氧化物纳米颗粒用于无阳极全固态电池 (ASSB). 这项创新改善了沉积和稳定性,提高了电动汽车的性能.

关键词:

所有固态电池都是固态电池.没有阳极的无极管.双种子的双种子性性是一种性性.多步骤的化.

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In Situ Neutron Powder Diffraction Using Custom-made Lithium-ion Batteries

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相关实验视频

Last Updated: Jun 11, 2025

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications

Published on: August 12, 2013

Non-aqueous Electrode Processing and Construction of Lithium-ion Coin Cells

Non-aqueous Electrode Processing and Construction of Lithium-ion Coin Cells

Published on: February 1, 2016

$In Situ Neutron Powder Diffraction Using Custom-made Lithium-ion Batteries$

In Situ Neutron Powder Diffraction Using Custom-made Lithium-ion Batteries

Published on: November 10, 2014

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
储能储能储能储能储能储能

背景情况:

全固态电池 (ASSB) 正在为电动汽车 (EV) 获得吸引力,因为它们的能量密度更高,成本更低.
没有阳极的ASSB需要保护层来稳定沉积,往往需要高温来进行离子扩散.
目前的保护层在平衡离子动力学和界面稳定性方面面临着挑战.

研究的目的:

提出一种新的双种子保护层,用于硫化物为基础的无阳极ASSB.
为了增强离子扩散和阳极接口的机械稳定性.
为了研究在没有阳极的电池设计中化材料的协同效应.

主要方法:

使用银 (Ag) 和氧化 (ZnO) 纳米粒子制造双种子保护层.
(Li) 沉积行为和离子扩散通路的表征.
评估全电池性能,包括容量保留和在室温下循环稳定性.

主要成果:

Ag-ZnO双种子层通过多个途径在广泛的潜能范围内促进扩散.
在现场形成的柔性Ag-Zn合金增强了阳极接口的机械稳定性.
全电池在室温下100个周期 (1 mA cm−2; 3 mAh cm−2) 实现了80.8%的容量保留.

结论:

双种子保护层有效地提高了无阳极ASSB的性能.
这种方法为设计强大高效的固态电池接口提供了一个有前途的策略.
这些发现为增强无阳极电池技术的多种子概念提供了洞察力.