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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: Jul 20, 2025

Focused Ion Beam Fabrication of LiPON-based Solid-state Lithium-ion Nanobatteries for In Situ Testing

Focused Ion Beam Fabrication of LiPON-based Solid-state Lithium-ion Nanobatteries for In Situ Testing

Published on: March 7, 2018

全固态硫电池由单离子导电二元纳米粒子电解质启用.

Boram Kim¹, Moon Jeong Park¹

¹Department of Chemistry, Division of Advanced Materials Science, Pohang University of Science and Technology (POSTECH), Pohang 37673, Korea. moonpark@postech.ac.kr.

Materials horizons

|August 7, 2023

概括

我们使用聚合物纳米粒子开发了新的固态混合电解质,以提高离子电池的性能. 这些先进的电解质提供了高导电性和稳定性,为更安全,更高效的电池铺平了道路.

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
聚合物科学聚合物科学

背景情况:

固态电解质对于下一代电池至关重要,但经常面临离子导电性和机械稳定性方面的挑战.
在保持结构完整的同时实现高离子传输是固态电池开发的关键障碍.

研究的目的:

设计和合成具有单离子导电性质的新型固态混合电解质.
通过控制的纳米粒子组装优化离子度和运输.
为了评估这些电解质在硫电池中的性能.

主要方法:

二元核心外聚合物纳米颗粒的联合组装形成超级.
离子导电性,转移数,电化学稳定性和机械性质的表征.
使用开发的固态电解质制造和测试硫电池.

主要成果:

取得了显著的离子导电性 (10-4 S cm-1) 和高转移数 (0.94).
在室温下表现出优异的电化学稳定性 (高达6V) 和机械模量 (0.12GPa).
由于强大的纳米粒子核心,在广泛的温度范围内 (25-150°C) 保持机械强度.
-S电池的初始放电容量高 (1090 mA hg^{-1 在0.05C),超过200个循环,以及良好的速率能力 (627 mA hg^{-1 在3C).}}

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

Screening of Coatings for an All-Solid-State Battery Using In Situ Transmission Electron Microscopy

Screening of Coatings for an All-Solid-State Battery Using In Situ Transmission Electron Microscopy

Published on: January 20, 2023

相关实验视频

Last Updated: Jul 20, 2025

Focused Ion Beam Fabrication of LiPON-based Solid-state Lithium-ion Nanobatteries for In Situ Testing

Focused Ion Beam Fabrication of LiPON-based Solid-state Lithium-ion Nanobatteries for In Situ Testing

Published on: March 7, 2018

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications

Published on: August 12, 2013

Screening of Coatings for an All-Solid-State Battery Using In Situ Transmission Electron Microscopy

Screening of Coatings for an All-Solid-State Battery Using In Situ Transmission Electron Microscopy

Published on: January 20, 2023

结论:

设计的固态混合电解质具有卓越的离子导电性,稳定性和机械性能.
纳米粒子超级晶格结构有效优化离子的运输和度.
这些电解质对开发高性能,安全和耐用的固态硫电池充满希望.