A transparent and degradable bacterial cellulose-based film for triboelectric nanogenerator: Efficient biomechanical energy harvesting and human health monitoring

被引：40

作者：

Feng, Linan ^{[1
,2
]}

Cao, Xia ^{[2
,4
,5
,6
,7
]}

Wang, Zhong Lin ^{[1
,2
,3
]}

Zhang, Liqun ^{[1
]}

机构：

[1] Beijing Univ Chem Technol, North Third Ring Rd 15, Beijing 100029, Peoples R China

[2] Chinese Acad Sci, Beijing Inst Nanoenergy & Nanosyst, Beijing 101400, Peoples R China

[3] Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA

[4] Univ Sci & Technol Beijing, Res Ctr Bioengn & Sensing Technol,Sch Chem & Biol, Beijing Municipal Key Lab New Energy Mat & Technol, Beijing Key Lab Bioengn & Sensing Technol, Beijing 100083, Peoples R China

[5] Shenzhen Inst Informat Technol, Res Ctr Informat Technol, Shenzhen 518172, Peoples R China

[6] Univ Elect Sci & Technol China, Shenzhen Inst Adv Study, Shenzhen 518000, Peoples R China

[7] Guangxi Univ, Ctr Nanoenergy Res, Sch Phys Sci & Technol, Nanning 530004, Peoples R China

来源：

NANO ENERGY | 2024年 / 120卷

关键词：

Bacterial cellulose; Triboelectric nanogenerator; Energy harvesting; Signal control; Degradability; Biomechanical monitoring;

D O I：

10.1016/j.nanoen.2023.109068

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：

In this paper, an eco-friendly and biodegradable triboelectric nanogenerator (SBB-TENG) is proposed based on bacterial cellulose (BC), sodium alginate (SA) with the introduction of barium titanate (BTO) nanoparticles. While all the composite membranes can be fully decomposed by cellulase solution within 7 h, the electrical properties of SBB-TENG are significantly improved due to the synergistic effect of enhanced dielectric constant and surface roughness of the composite membrane. Compared with SA/BC-based TENG (SBC-TENG), the voltage and current of SBB-TENGs are increased by 174 % and 193 %, respectively. In addition, the as-designed SBB TENGs are capable of serving as sensors for biomechanical monitoring, touch sensing and signal control, which greatly contributes to the development of high-performance, green and low-cost TENGs on the base of natural biodegradable materials.

引用

页数：12

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