锂离子电池固体聚合物电解质用临时氧化纳米纤维素增强的低分子量聚氧化乙烯的成型性

IF 1.8 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY MRS Communications Pub Date : 2024-01-25 DOI:10.1557/s43579-024-00514-x

Qolby Sabrina, Riyani Tri Yulianti, Khusnul Khotimah, Achmad Subhan, Nurhalis Majid, Nanang Masruchin, Akihide Sugawara, Yu-I. Hsu, Rike Yudianti, Hiroshi Uyama

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引用次数: 0

摘要

使用自由溶剂浇铸技术将低分子量聚氧化乙烯（L-PEO）用于固相萃取（SPE），在电化学性能和成型性问题方面面临挑战。在这项研究中，TEMPO 氧化的 NC 用作增强剂，以增加固态 L-PEO 复合材料的自由体积和分段运动，从而允许 Li+ 离子传输并防止机械不稳定性。在锂-O 键的断裂形成过程中，离子传输发生在 40 EO/Li 摩尔比的条件下，NC 结构网络通过链内或链间箍合稳定了离子传输。随着离子电导率的增加，SPE-C 电解质膜的离子传输符合阿伦尼乌斯行为。

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Formability of low-molecular weight polyethylene oxide reinforced by tempo-oxidized nanocellulose for lithium-ion battery solid polymer electrolyte

Utilizing low-molecular weight polyethylene oxide (L-PEO) for SPE using free-solvent casting technique presented a challenge in terms of electrochemical properties and formability issues. In this study, TEMPO-oxidized NC is utilized as a reinforcing agent to increase free volume and segmental motion of a solid-state L-PEO composite, which allows Li⁺ ion transport and prevents mechanical instability. During the breaking-forming process of Li–O bonds, ion transport occurs at a 40 EO/Li molar ratio, which is stabilized by NC structural network via intrachain or interchain hooping. The ion transport of the SPE-C electrolyte membrane fullfill Arrhenius behavior with increasing ionic conductivity.

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来源期刊

MRS Communications MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

2.60

自引率

10.50%

发文量

166

审稿时长

>12 weeks

期刊介绍： MRS Communications is a full-color, high-impact journal focused on rapid publication of completed research with broad appeal to the materials community. MRS Communications offers a rapid but rigorous peer-review process and time to publication. Leveraging its access to the far-reaching technical expertise of MRS members and leading materials researchers from around the world, the journal boasts an experienced and highly respected board of principal editors and reviewers.