Rechargeable solid-state lithium metal batteries with vertically aligned ceramic nanoparticle/polymer composite electrolyte

被引：290

作者：

Wang, Xue ^{[1
,2
]}

Zhai, Haowei ^{[1
]}

Qie, Boyu ^{[1
]}

Cheng, Qian ^{[1
]}

Li, Aijun ^{[1
]}

Borovilas, James ^{[1
]}

Xu, Bingqing ^{[1
]}

Shi, Changmin ^{[1
]}

Jin, Tianwei ^{[1
]}

Liao, Xiangbiao ^{[1
]}

Li, Yibin ^{[2
]}

He, Xiaodong ^{[2
]}

Du, Shanyi ^{[2
]}

Fu, Yanke ^{[1
]}

Dontigny, Martin ^{[3
]}

Zaghib, Karim ^{[3
]}

Yang, Yuan ^{[1
]}

机构：

[1] Columbia Univ, Dept Appl Phys & Appl Math, New York, NY 10025 USA

[2] Harbin Inst Technol, Sch Astronaut, Harbin 150001, Heilongjiang, Peoples R China

[3] IREQ Inst Rech Hydro Quebec, Varennes, PQ J3X 1S1, Canada

来源：

NANO ENERGY | 2019年 / 60卷

关键词：

Ice-templating; Composite electrolytes; Solid state batteries; Energy storage; POLYMER ELECTROLYTES; IONIC-CONDUCTIVITY; ENHANCEMENT; ANODE; PERFORMANCE; TRANSPORT; FILLERS;

D O I：

10.1016/j.nanoen.2019.03.051

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Composite solid electrolytes are attractive as they combine the high ionic conductivity of ceramic nanoparticles and the excellent mechanical properties of polymer electrolytes. Vertically aligned ceramic nanoparticles in the polymer matrix represent an ideal structure for maximizing ionic conductivity of composite electrolytes. The ice-templating method was used to build rechargeable solid-state lithium metal batteries with a vertically aligned ceramic/polymer composite electrolyte composed of high ionic conductivity Li1.5Al0.5Ge1.5(PO4)(3) (LAGP) and polyethylene oxide (PEO) polymer. The vertical LAGP walls provide continuous channels for fast ionic transport, while the PEO matrix renders the composite electrolyte flexible. This solid-state composite electrolyte has a conductivity of 1.67 x 10(-4) S cm(-1) at room temperature and 1.11 x 10(-3) S cm(-1) at 60 degrees C. LiFePO4 (LFP)/vertically aligned LAGP- PEO/Li full cells were also developed with a high capacity retention of 93.3% after 300 cycles. This study demonstrates the successful application of vertically aligned ceramic/polymer composite electrolytes for solid-state batteries with high performance.

引用

页码：205 / 212

页数：8

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