Ultra-High-Capacity Lithium Metal Batteries Based on Multi-Electron Redox Reaction of Organopolysulfides including Conductive Organic Moieties

被引：2

作者：

Shimizu, Takeshi ^{[1
]}

Tanifuji, Naoki ^{[1
]}

Nishio, Kosuke ^{[1
]}

Tanaka, Yuma ^{[1
]}

Tsukaguchi, Yuta ^{[1
]}

Tsubouchi, Kentaro ^{[1
]}

Nakamura, Fumiya ^{[2
]}

Shokura, Naoko ^{[1
]}

Noguchi, Mariko ^{[3
]}

Fujimori, Hiroki ^{[3
]}

Kimura-Suda, Hiromi ^{[2
]}

Date, Yusuke ^{[1
]}

Aoki, Kaoru ^{[1
]}

Yoshikawa, Hirofumi ^{[4
]}

机构：

[1] Natl Inst Technol, Yonago Coll, Dept Integrated Engn, Chem & Biochem Div, 4448 Hikona cho, Yonago, Tottori 6838502, Japan

[2] Chitose Inst Sci & Technol, Grad Sch Sci & Engn, 758-65 Bibi, Chitose, Hokkaido 0668655, Japan

[3] Nihon Univ, Coll Humanities & Sci, Dept Chem, 3-25-40 Sakurajosui, Tokyo, Tokyo 1568550, Japan

[4] Sch Engn Kwansei Gakuin Univ, Dept Mat Sci, Gakuen 2-1, Sanda 6691337, Japan

来源：

POLYMERS | 2023年 / 15卷 / 02期

关键词：

rechargeable battery; organopolysulfide; inverse vulcanization; disulfide; CARBON NANOTUBES; SULFUR;

D O I：

10.3390/polym15020335

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Recently, organic polysulfides have been synthesized as cathode active materials exceeding the battery performance of sulfur. However, the conventional organic polysulfides have exhibited capacities lower than the theoretical capacity of sulfur because the pi-organic moieties do not conjugate with the sulfur chains. In this work, the organopolysulfides, synthesized via inverse vulcanization using disulfide compounds, exhibited higher capacities equal to the theoretical capacity of sulfur because of enhanced electronic conductivity based on the conjugation between organic moieties and sulfur chains. Furthermore, the organopolysulfide including 1,3-dhitiol-2-thione moiety exhibited the highest capacity because of the enhanced electronic conductivity. This finding will pave the way to develop next-generation rechargeable batteries.

引用

页数：12

共 45 条

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