All-Solid-State Potassium Polymer Batteries Enabled by the Effective Pretreatment of Potassium Metal

被引：29

作者：

Hamada, Mizuki ^{[1
]}

Tatara, Ryoichi ^{[1
,2
]}

Kubota, Kei ^{[1
,2
,3
]}

Kumakura, Shinichi ^{[4
]}

Komaba, Shinichi ^{[1
,2
]}

机构：

[1] Tokyo Univ Sci, Dept Appl Chem, Shinjuku Ku, Tokyo 1628601, Japan

[2] Kyoto Univ, Elements Strategy Initiat Catalysts & Batteries E, Nishikyo Ku, Kyoto 6158245, Japan

[3] Natl Inst Mat Sci NIMS, Ctr Green Res Energy & Environm Mat GREEN, 1-1 Namiki, Tsukuba, Ibaraki 3050044, Japan

[4] Umicore Japan KK, Minato Ku, Tokyo 1076026, Japan

来源：

ACS ENERGY LETTERS | 2022年 / 7卷 / 07期

关键词：

LITHIUM BATTERIES; ELECTROLYTES;

D O I：

10.1021/acsenergylett.2c01096

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：

K metal disk electrodes, prepared by putting a chunk of K metal in a 1,2-dimethoxyethane (DME) solution containing potassium bis-(fluorosulfonyl)amide (KFSA) and 1,3,2-dioxathiolane 2,2-dioxide (DTD), exhibited suppressed polarization and interfacial resistance in continuous metal stripping-deposition reactions of a symmetric half-cell comprising a cross-linked polymer electrolyte. This simple and effective pretreatment process enhances passivation layer formation, enabling fabrication of the first 3 V-class all-solid-state K-ion battery operated at room temperature.

引用

页码：2244 / 2246

页数：3

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