High-Performance Yet Sustainable Triboelectric Nanogenerator Based on Sulfur-Rich Polymer Composite with MXene Segregated Structure

被引：12

作者：

Cho, Woongbi ^{[1
,2
]}

Kim, Sungsu ^{[1
,2
]}

Lee, Hyeonhoo ^{[1
,2
]}

Han, Nara ^{[3
]}

Kim, Hyunki ^{[4
,5
]}

Lee, Minbaek ^{[4
,5
]}

Han, Tae Hee ^{[1
,2
]}

Wie, Jeong Jae ^{[1
,2
,3
,6
,7
,8
]}

机构：

[1] Hanyang Univ, Dept Organ & Nano Engn, 222 Wangsimni Ro, Seoul 04763, South Korea

[2] Hanyang Univ, Human Tech Convergence Program, 222 Wangsimni Ro, Seoul 04763, South Korea

[3] SUNY Syracuse, Coll Environm Sci & Forestry, Dept Chem Engn, Syracuse, NY 13210 USA

[4] Inha Univ, Dept Phys, 100 Inha Ro, Incheon 22212, South Korea

[5] Inha Univ, Semicond Convergence Program, 100 Inha Ro, Incheon 22212, South Korea

[6] Hanyang Univ, Dept Chem Engn, 222 Wangsimni Ro, Seoul 04763, South Korea

[7] Hanyang Univ, Inst Nano Sci & Technol, 222 Wangsimni Ro, Seoul 04763, South Korea

[8] SUNY Syracuse, Michael M Szwarc Polymer Res Inst, Coll Environm Sci & Forestry, Syracuse, NY 13210 USA

来源：

ADVANCED MATERIALS | 2024年 / 36卷 / 44期

基金：

新加坡国家研究基金会;

关键词：

inverse vulcanization; MXene; segregated structures; sulfur-rich polymers; triboelectric nanogenerators; DYNAMIC COVALENT POLYMERS; INVERSE VULCANIZATION; CARBON NANOTUBES; ELEMENTAL SULFUR; NANOCOMPOSITES;

D O I：

10.1002/adma.202404163

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

State-of-the-art triboelectric nanogenerators (TENGs) typically employ fluoropolymers, highly negative chargeable materials in triboelectric series. However, many researchers nowadays are concerned about environmental pollution caused by poly-and per-fluoroalkyl substances (PFAS) due to their critical immunotoxicity as fluoropolymers are likely to release PFAS into the ecosystem during their life cycle. Herein, a sulfur-rich polymer (SRP)/MXene composite, offering high-performance yet sustainable TENG is developed. Value-addition of sulfur into SRP-based TENG has huge advantages since sulfur is abundant waste from petroleum refining and possesses the highest electron affinity (-200 kJ mol-1) among polymerizable atoms. MXene segregated structure is introduced into SRP to achieve homogeneous distribution without electrical percolation by utilizing below 0.5 wt% of MXene, resulting in a significantly enhanced dielectric constant without a drastic increase of dielectric loss. Due to homogeneous MXene distribution, SRP/MXene composite-based TENG demonstrates 2.9 times and 19.5 times enhances peak voltage and peak current compared to previous SRP-based TENGs. Additionally, it exhibits reusability without critical reduction of modulus and TENG performance due to dynamically exchangeable disulfide bonds. Finally, after the corona discharging and scaling-up process to a 4-inch wafer size, SRP/MXene composite-based TENG exhibits an 8.4 times improvement in peak power density, reaching 3.80 W m-2 compared to previous SRP-based TENGs. Elemental sulfur generated from petroleum refining as a huge waste is upcycled to sulfur-rich polymer (SRP) and this new polymer is applied to construct a sustainable and high-performance triboelectric nanogenerator (TENG). TENG output performance is maximized by introducing MXene segregated structure integrated sulfur-rich polymer/MXene composite. This TENG demonstrated 8.4 times higher peak power density than that of the previous record from SRP-based TENGs. image

引用

页数：16

共 67 条

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