Issue 79, 2016, Issue in Progress
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RSC Advances

Formation of thermally resistant films induced by vinylene carbonate additive on a hard carbon anode for lithium ion batteries at elevated temperature

Yi-Hung Liu, ORCID logo *ac   Sahori Takeda,a   Ikue Kaneko,b   Hideya Yoshitake,b   Masahiro Yanagida,a   Yuria Saitoa  and  Tetsuo Sakaiab  

* Corresponding authors

a Research Institute of Electrochemical Energy, Department of Energy and Environment, National Institute of Advanced Industrial Science and Technology (AIST), 1-8-31, Midorigaoka, Ikeda, Osaka 563-8577, Japan

b Innovation Center for Organic Electronics, Yamagata University, 1-808-48, Arcadia, Yonezawa, Yamagata 992-0119, Japan

c Department of Greenergy, National University of Tainan (NUTN), Tainan 70005, Taiwan
E-mail: yhliu@mail.nutn.edu.tw
Fax: +886-6-2602205
Tel: +886-6-2606186

Abstract

Vinylene carbonate (VC)-induced film formation in a LiFePO4/hard carbon (HC) cell is clarified based on mass spectroscopic analysis. VC is found to induce the formation of different types of thermally resistant organophosphates on the HC surface for different solvents and their formation mechanisms are elucidated. Formation of the organophosphates is also found to contribute to the improved cycle performance at elevated temperature due to their thermally stable characteristics.

Graphical abstract: Formation of thermally resistant films induced by vinylene carbonate additive on a hard carbon anode for lithium ion batteries at elevated temperature

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Article information

DOI
https://doi.org/10.1039/C6RA15168J
Article type
Communication
Submitted
11 Jun 2016
Accepted
04 Aug 2016
First published
04 Aug 2016

RSC Adv., 2016,6, 75777-75781

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Formation of thermally resistant films induced by vinylene carbonate additive on a hard carbon anode for lithium ion batteries at elevated temperature

Y. Liu, S. Takeda, I. Kaneko, H. Yoshitake, M. Yanagida, Y. Saito and T. Sakai, RSC Adv., 2016, 6, 75777 DOI: 10.1039/C6RA15168J

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