A pre-lithiated phloroglucinol based 3D porous framework as a single ion conducting electrolyte for lithium ion batteries

被引：14

作者：

Rohan, Rupesh ^{[1
]}

Pareek, Kapil ^{[1
,3
]}

Chen, Zhongxin ^{[1
]}

Cheng, Hansong ^{[1
,2
]}

机构：

[1] Natl Univ Singapore, Dept Chem, 3 Sci Dr 3, Singapore 117548, Singapore

[2] China Univ Geosci, Fac Mat Sci & Chem, Sustainable Energy Lab, 388 Lumo Rd, Wuhan 430074, Peoples R China

[3] Malaviya Natl Inst Technol, Ctr Energy & Environm, JLN Marg, Jaipur 302017, Rajasthan, India

来源：

RSC ADVANCES | 2016年 / 6卷 / 58期

基金：

新加坡国家研究基金会; 中国国家自然科学基金;

关键词：

SOLID POLYMER ELECTROLYTES; BRANCHED POLYEPOXIDE ETHERS; METAL-ORGANIC FRAMEWORKS; GEL ELECTROLYTES; DELOCALIZED POLYANION; TRANSFERENCE NUMBER; TEMPERATURE-RANGE; ROOM-TEMPERATURE; FACILE SYNTHESIS; BOTTOM-UP;

D O I：

10.1039/c6ra09215b

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report the design and synthesis of an inherently porous single ion conducting gel electrolyte made from a pre-lithiated phloroglucinol-terephthalaldehyde 3D framework for lithium ion batteries, adopting a "bottom-up" approach. The cationic transference number of the membrane obtained by blending the complex with PVDF-HFP followed by solution casting was found to be 0.86, close to unity. The mobile lithium ions shuttle through the low resistant pathways offered by the 3D network by virtue of its high porosity. The electrolyte offers a high ionic conductivity of 6.3 x 10(-4) S cm(-1) at room temperature (22 degrees C), comparable to the values of most gel polymer electrolytes. Furthermore, the electrolyte membrane displays high thermal stability and good mechanical strength. Coin cells assembled with the membrane perform well at both room temperature and 80 degrees C.

引用

页码：53140 / 53147

页数：8

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