Anti-dissolution framework strategy for stabilizing high-Mn olivine cathodes via Zr doping for lithium-ion batteries

IF 8.9 2区 工程技术 Q1 ENERGY & FUELS
Seunghan Lim , Yijeong Kang , Ji-Won Jung , Wonchang Choi
{"title":"Anti-dissolution framework strategy for stabilizing high-Mn olivine cathodes via Zr doping for lithium-ion batteries","authors":"Seunghan Lim ,&nbsp;Yijeong Kang ,&nbsp;Ji-Won Jung ,&nbsp;Wonchang Choi","doi":"10.1016/j.est.2025.118509","DOIUrl":null,"url":null,"abstract":"<div><div>Given the increasing demand for safe and durable lithium-ion batteries in electric vehicle and energy storage systems, LiMn<sub>1-<em>x</em></sub>Fe<sub><em>x</em></sub>PO<sub>4</sub> (LMFP) cathodes have emerged as promising olivine-type cathodes because of their excellent structural stability and the use of earth-abundant, low-cost elements. However, their commercialization is limited by inherently sluggish Li-ion transport and Mn<sup>3+</sup>-induced Mn dissolution, which severely hinder long-term cycling stability. These issues are intensified under high Mn compositions, which are otherwise essential for achieving high energy densities. Therefore, addressing these challenges is critical for the practical use of high-Mn-ratio LMFP cathodes. In this study, we propose a Zr doping strategy that regulates local bonding environments while suppressing Mn dissolution and enhancing Li-ion conductivity. The proposed approach achieves significant improvements in both rate capability and structural integrity under harsh electrochemical conditions, providing a viable pathway toward durable high-Mn-ratio olivine-type cathodes.</div></div>","PeriodicalId":15942,"journal":{"name":"Journal of energy storage","volume":"138 ","pages":"Article 118509"},"PeriodicalIF":8.9000,"publicationDate":"2025-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of energy storage","FirstCategoryId":"5","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2352152X25032220","RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"ENERGY & FUELS","Score":null,"Total":0}
引用次数: 0

Abstract

Given the increasing demand for safe and durable lithium-ion batteries in electric vehicle and energy storage systems, LiMn1-xFexPO4 (LMFP) cathodes have emerged as promising olivine-type cathodes because of their excellent structural stability and the use of earth-abundant, low-cost elements. However, their commercialization is limited by inherently sluggish Li-ion transport and Mn3+-induced Mn dissolution, which severely hinder long-term cycling stability. These issues are intensified under high Mn compositions, which are otherwise essential for achieving high energy densities. Therefore, addressing these challenges is critical for the practical use of high-Mn-ratio LMFP cathodes. In this study, we propose a Zr doping strategy that regulates local bonding environments while suppressing Mn dissolution and enhancing Li-ion conductivity. The proposed approach achieves significant improvements in both rate capability and structural integrity under harsh electrochemical conditions, providing a viable pathway toward durable high-Mn-ratio olivine-type cathodes.

Abstract Image

Zr掺杂稳定锂离子电池高锰橄榄石阴极的抗溶解框架策略
鉴于电动汽车和储能系统对安全耐用的锂离子电池的需求日益增长,LiMn1-xFexPO4 (LMFP)阴极由于其优异的结构稳定性和使用地球丰富,低成本的元素而成为有前途的橄榄石型阴极。然而,它们的商业化受到固有的缓慢的锂离子传输和Mn3+诱导的Mn溶解的限制,这严重阻碍了长期循环的稳定性。这些问题在高锰成分下加剧,这对于实现高能量密度是必不可少的。因此,解决这些挑战对于高锰比LMFP阴极的实际应用至关重要。在这项研究中,我们提出了一种Zr掺杂策略,可以调节局部键合环境,同时抑制Mn溶解并增强锂离子的电导率。在恶劣的电化学条件下,该方法在速率能力和结构完整性方面都取得了显著的改善,为制造耐用的高锰比橄榄石型阴极提供了一条可行的途径。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
求助全文
约1分钟内获得全文 求助全文
来源期刊
Journal of energy storage
Journal of energy storage Energy-Renewable Energy, Sustainability and the Environment
CiteScore
11.80
自引率
24.50%
发文量
2262
审稿时长
69 days
期刊介绍: Journal of energy storage focusses on all aspects of energy storage, in particular systems integration, electric grid integration, modelling and analysis, novel energy storage technologies, sizing and management strategies, business models for operation of storage systems and energy storage developments worldwide.
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
copy
已复制链接
快去分享给好友吧!
我知道了
右上角分享
点击右上角分享
0
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:604180095
Book学术官方微信