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Triboelectric nanogenerators made of polybenzazole aerogels as fire-resistant negative tribo-materials
Chinese Acad Sci ICCAS, Inst Chem, Beijing Natl Lab Mol Sci, Lab Polymer Phys & Chem, Zhongguancun North First St 2, Beijing 100190, Peoples R China.;Univ Chinese Acad Sci, Beijing 100049, Peoples R China..
Chinese Acad Sci ICCAS, Inst Chem, Beijing Natl Lab Mol Sci, Lab Polymer Phys & Chem, Zhongguancun North First St 2, Beijing 100190, Peoples R China.;Univ Chinese Acad Sci, Beijing 100049, Peoples R China..
Chinese Acad Sci ICCAS, Inst Chem, Beijing Natl Lab Mol Sci, Lab Polymer Phys & Chem, Zhongguancun North First St 2, Beijing 100190, Peoples R China.;Univ Chinese Acad Sci, Beijing 100049, Peoples R China..
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Fibre- and Polymer Technology, Fibre Technology.
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2019 (English)In: Nano Energy, ISSN 2211-2855, E-ISSN 2211-3282, Vol. 64, article id UNSP 103900Article in journal (Refereed) Published
Abstract [en]

Flame-retardant negative tribo-materials are desirable for triboelectric nanogenerators (TENGs) using under harsh conditions, such as thermal power fields and aerospace. The existed negative tribo-materials are mainly polymeric materials, and their high-temperature stability and fire resistance still need to be improved. Herein, poly(p-phenylene benzobisoxazole) aerogels (PBOAs) were used as the negative tribo-materials in TENGs. Because of the large porosity and high specific surface area, the resultant TENGs exhibit maximum open circuit voltage, short-circuit current density and charge density of 40 V, 2.9 mA m(-2) and 72 mu C m(-2), respectively. The device can light 36 LED bulbs and charge the capacitor to 10 V within 250 s. The device can also be used as a self-powered, highly sensitive sensor for monitoring human motion and even slight collisions with an impulse of only 3 mu N s. PBOA has been paired with aluminum foil to fabricate PBOA/Al TENGs, which exhibit V on of 32 V(, )J(SC) of 1.2 mA M-2 and charge density of 32 mu C M-2 at a temperature as high as 350 degrees C, demonstrating the possibility of application of TENGs in high-temperature environments.

Place, publisher, year, edition, pages
ELSEVIER , 2019. Vol. 64, article id UNSP 103900
Keywords [en]
Aerogels, Fire resistance, Polybenzazole, Triboelectric nanogenerators
National Category
Chemical Sciences
Research subject
Chemistry
Identifiers
URN: urn:nbn:se:kth:diva-262786DOI: 10.1016/j.nanoen.2019.103900ISI: 000487931500066Scopus ID: 2-s2.0-85069044313OAI: oai:DiVA.org:kth-262786DiVA, id: diva2:1362967
Note

QC 20191022

Available from: 2019-10-22 Created: 2019-10-22 Last updated: 2019-11-26Bibliographically approved

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