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Search: WFRF:(Jankowski Piotr 1990) > Nitze Florian 1981 > Design of a Multifu...

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Design of a Multifunctional Interlayer for NASCION-Based Solid-State Li Metal Batteries

Xiong, Shizhao, 1985 (author)
Chalmers tekniska högskola,Chalmers University of Technology,Xi'an Jiaotong University
Liu, Yangyang (author)
Xi'an Jiaotong University
Jankowski, Piotr, 1990 (author)
Danmarks Tekniske Universitet,Technical University of Denmark
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Liu, Qiao (author)
Xi'an Jiaotong University
Nitze, Florian, 1981 (author)
Chalmers tekniska högskola,Chalmers University of Technology
Xie, K (author)
National University of Defense Technology
Song, Jiangxuan (author)
Xi'an Jiaotong University
Matic, Aleksandar, 1968 (author)
Chalmers tekniska högskola,Chalmers University of Technology
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 (creator_code:org_t)
2020-04-06
2020
English.
In: Advanced Functional Materials. - : Wiley. - 1616-3028 .- 1616-301X. ; 30:22
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • NASCION-type Li conductors have great potential to bring high capacity solid-state batteries to realization, related to its properties such as high ionic conductivity, stability under ambient conditions, wide electrochemical stability window, and inexpensive production. However, their chemical and thermal instability toward metallic lithium (Li) has severely hindered attempts to utilize Li as anode material in NASCION-based battery systems. In this work, it is shown how a tailored multifunctional interlayer between the solid electrolyte and Li anode can successfully address the interfacial issues. This interlayer is designed by creating a quasi-solid-state paste in which the functionalities of LAGP (Li1.5Al0.5Ge1.5(PO4)3) nanoparticles and an ionic liquid (IL) electrolyte are combined. In a solid-sate cell, the LAGP-IL interlayer separates the Li metal from bulk LAGP and creates a chemically stable interface with low resistance (≈5 Ω cm2) and efficiently prevents thermal runaway at elevated temperatures (300 °C). Solid-state cells designed with the interlayer can be operated at high current densities, 1 mA cm−2, and enable high rate capability with high safety. Here developed strategy provides a generic path to design interlayers for solid-state Li metal batteries.

Subject headings

NATURVETENSKAP  -- Kemi -- Materialkemi (hsv//swe)
NATURAL SCIENCES  -- Chemical Sciences -- Materials Chemistry (hsv//eng)
NATURVETENSKAP  -- Fysik -- Annan fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Other Physics Topics (hsv//eng)

Keyword

high current density
lithium metal anode
interlayer
solid state batteries
thermal runaway

Publication and Content Type

art (subject category)
ref (subject category)

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