Journal of Materials Science

, Volume 54, Issue 6, pp 4874–4883 | Cite as

A new type of composite electrolyte with high performance for room-temperature solid-state lithium battery

  • Huan-Liang Guo
  • Hui SunEmail author
  • Zhuo-Liang Jiang
  • Cong-Shan Luo
  • Meng-Yang Gao
  • Mo-Han Wei
  • Jian-Yong Hu
  • Wen-Ke Shi
  • Jing-Yang Cheng
  • Hong-Jun Zhou
Energy materials


Solid-state lithium batteries require the high energy density, easy processing and flexibility of electrolyte membranes. However, the low-temperature ionic conductivity and high interfacial impedance are still hindering the further application. Therefore, we developed the solution pouring method by using lithium bis(oxalate)borate (LiBOB) to prepare the PEO/LiBOB/LLZTO solid electrolyte for room-temperature solid-state lithium battery. Compared with the traditional LiPF6 as a lithium additive, the solid-state electrolytes with LiBOB as additive hold higher ionic conductivity and electrochemical window. Moreover, the fabricated solid-state LiFePO4|Li batteries own higher specific capacity and excellent cycle performance at room temperature (165.9 mAh g−1 with capacity retention of 84.6% after 100 cycles). The large volume of LiBOB could effectively decrease the crystallization state of PEO to improve the conductivity of Li+ ion by the increase in the amorphous region in the whole polymer electrolyte system. This study offers a feasible strategy of preparing solid electrolytes for room-temperature solid-state lithium battery with high performance.



This work was supported financially by The National Key R&D Program of China (No. 2016YFB0100201), Science Foundation of China University of Petroleum, Beijing (C201604, No. 2462014YJRC003), and State Key Laboratory of Physical Chemistry of Solid Surfaces, Xiamen University (No. 201703).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Supplementary material

10853_2018_3188_MOESM1_ESM.docx (278 kb)
Supplementary material 1 (DOCX 278 kb)


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© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.State Key Laboratory of Heavy Oil Processing, Beijing Key Laboratory of Biogas Upgrading Utilization, Institute of New EnergyChina University of Petroleum-BeijingBeijingChina

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