Realizing the Capability of Negatively Charged Graphene Oxide in the Presence of Conducting Polyaniline for Performance Enhancement of Tribopositive Material of Triboelectric Nanogenerator

Abstract

In recent years, tremendous efforts have been made to investigate tribomaterials for triboelectric nanogenerators (TENGs), but due to their low performance there is still need of tribomaterials with new mechanisms for performance enhancement. Therefore, in this study, the potential of conducting polyaniline and tribonegative graphene oxide is exploited for performance enhancement of tribopositive material through a new mechanism of disturbing the equilibrium state inside the tribopositive material under an impact force. Thus, a TENG device made up of polymer with 700 µL polyaniline and 4 mg mL−1 graphene oxide as tribopositive and polydimethylsiloxane as a tribonegative layer with a dimension of 1 × 2 cm2 is able to produce an open‐circuit voltage of 314.92 V and a current density of 37.81 mA m−2 with a peak power density of 10.43 W m−2, which can directly power ON more than 175 white light‐emitting diodes. Amine group of polyaniline and its pathway to mobilize electrons inside the tribopositive material due to electron accepting ability of graphene oxide upon physical contact under external force are the main contributing factors toward performance enhancement. This work introduces a low cost, easy fabrication process with a new method for performance enhancement of tribopositive material to acquire a high performance TENGs.

Recent Advances in Carbon Material‐Based Multifunctional Sensors and Their Applications in Electronic Skin Systems

“…The emergence of flexible self-powered technology enables the e-skin to work normally without an external power supply, solving the power supply problem of the e-skin and reduces energy consumption. [236,237] Yin's group reported a SR/conductive carbon nanofibers composite material, which was formed by supercritical carbon dioxide foaming process. [238] The TENG prepared from this material significantly enhanced the charge transfer ability, which could monitor the human body movement status and collect complex mechanical energy.…”

Synergetic Enhancement of Triboelectric Nanogenerators’ Performance Based on Patterned Membranes Fabricated by Phase‐Inversion Process

“…Another patterning method is adopting the etching through a mask and growing material in a patterned template. [34][35][36][37][38][39] These patterning methods also require an additional complicated process because an additional etching process is required for pattern formation on an already prepared membrane. Photolithography cannot be used for the PVDF material, because the etching process is difficult for these organic materials.…”

Aerogel based nanogenerators: Production methods, characterizations and applications

“…[21][22][23][24][25] Moreover, in order to improve TENG performance, the performance of the tribopositive material was improved through a new mechanism that disrupts the equilibrium state in the tribopositive material using graphene oxide delivery potential of polyaniline and tribonegative. 26 High-porous cryogel films based on ultraviolet radiation and dissolution processes were synthesized by a new method and used as tribopositive material for TENG production. 27 On the other hand, with the spiral structure designed by separating the electrodes into smaller contacts, higher output performance can be achieved in TENGs, and it is possible to minimize the deformations by supporting the structure with soft materials (rubber, etc.).…”

“…However, since natural cellulose shows poor tribo‐polarity, it is necessary to improve the low performance of TENG by suitable methods 21‐25 . Moreover, in order to improve TENG performance, the performance of the tribopositive material was improved through a new mechanism that disrupts the equilibrium state in the tribopositive material using graphene oxide delivery potential of polyaniline and tribonegative 26 . High‐porous cryogel films based on ultraviolet radiation and dissolution processes were synthesized by a new method and used as tribopositive material for TENG production 27 .…”