相关实验视频

Updated: Jan 18, 2026

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

结合器驱动器界面溶解调制使耐用碳阳极的 LiF 丰富的 SEI 成为可能

Jinwei Zhou¹, Rongyu Deng¹, Siyao Wu¹

¹School of Metallurgy and Environment, National Energy Metal Resources and New Materials Key Laboratory, Engineering Research Center of the Ministry of Education for Advanced Battery Materials, Central South University, Changsha 410083, P. R. China.

ACS applied materials & interfaces

|September 11, 2025

概括

小麦质作为离子电池中碳阳极的可持续粘合剂,通过形成稳定的固体电解质介相 (SEI) 来改善循环稳定性和容量保留. 这种生物质衍生材料为传统粘合剂提供了一个有希望的替代品.

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
可持续能源可持续能源

背景情况:

与石墨相比,碳 (Si/C) 阳极为离子电池 (LIB) 提供更高的能量密度.
体积膨胀和不稳定的固体电解质间相 (SEI) 形成限制了Si/C阳极的性能.

研究的目的:

研究小麦质 (WG) 作为Si/C阳极的可持续和低成本粘合剂.
为了提高Si/C阳极的界面稳定性和电化学性能.

主要方法:

使用小麦质 (WG),一种生物质衍生材料,作为Si/C阳极的粘合剂.
分析工作组 (-COOH, -NH2) 的功能组与Li+的协调能力.
评估WG结合的Si/C阳极的SEI形成和电化学循环性能.

主要成果:

WG粘合剂促进了稳定,富含LiF的SEI层的形成.
使用WG结合剂 (Si/C-WG) 的Si/C阳极在300个循环后保持了95.9%的容量.
WG粘合剂的性能明显优于传统的聚乙烯二化物 (PVDF) 粘合剂 (59.5%的保留率).

结论:

小麦质是Si/C阳极的有效粘合剂,增强了接口稳定性和循环性能.
WG促进了有利的SEI层,缓解了高能耗LIB的产能衰减.
这项研究提出了一种新的策略,用于开发用于先进阳极材料的功能结合剂.

关键词:

生物质结合剂生物质结合剂离子电池的离子电池是什么 - 碳阳极是一种 - 碳阳极.固体电解质相间阶段小麦质是小麦的质.

更多相关视频

Fabrication of Uniform Nanoscale Cavities via Silicon Direct Wafer Bonding

Fabrication of Uniform Nanoscale Cavities via Silicon Direct Wafer Bonding

Published on: January 9, 2014

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

相关概念视频

Formation of Complex Ions

Formation of Complex Ions

A type of Lewis acid-base chemistry involves the formation of a complex ion (or a coordination complex) comprising a central atom, typically a transition metal cation, surrounded by ions or molecules called ligands. These ligands can be neutral molecules like H2O or NH3, or ions such as CN− or OH−. Often, the ligands act as Lewis bases, donating a pair of electrons to the central atom. These types of Lewis acid-base reactions are examples of a broad subdiscipline called coordination...

Interfacial Electrochemical Methods: Overview

Interfacial Electrochemical Methods: Overview

Interfacial electrochemical methods focus on the phenomena occurring at the boundary between an electrode and a solution, as opposed to bulk methods that concentrate on the solution's overall properties. These interfacial methods are classified as either static or dynamic based on the presence of a nonzero current in the electrochemical cell and the consistency of analyte concentrations. Static methods, such as potentiometry, measure the cell's potential without any significant current...