A flexible electrode based on a three-dimensional graphene network-supported polyimide for lithium-ion batteries

Abstract

A flexible composite electrode as a cathode for lithium batteries is produced by compositing a three-dimensional graphene network and vertically aligned polyimide nanoflakes.

Polymer Electrode Materials for High‐Performance Lithium/Sodium‐Ion Batteries: A Review

“…Meng et al incorporated PI into a 3D graphene network and applied it as the cathode film for LIBs . They fabricated 3D graphene (3D‐RGO)/PI composites via an in situ polymerization method, which exhibited high electronic conductivity, ascribed to the large surface area and good electrical conductivity of graphene.…”

Poly(anthraquinonyl imide) as a high capacity organic cathode material for Na-ion batteries

“…1 schematically shows the synthetic chemistry of PAQI through a simple one-pot reaction of NTCDA with 14DAAQ. [11][12][13][14][15][20][21][22] As shown in Electrochemical performances of the PAQI cathode were evaluated by CV and galvanostatic discharge/charge measurements. 14 This is due to the steric hindrance between the carbonyls of NTCDA and 14DAAQ, which impedes the nucleophilic attack of the dianhydride carbonyl by the 14DAAQ amino, as the amino group is located near the 14DAAQ carbonyl.…”

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Redox-active organic imides are potential alternatives to the transition-metal based cathodes for material-sustainable and environment-friendly Na-ion batteries; however, their poor cyclability remains a challenge for battery applications. S2, ESI) and AQ groups,8,14,15,21,22 it is speculated that the two pairs of redox peaks of PAQI-B14 are ascribed to the stepwise two-electron transfer for both of the PMDI and AQ units. Herein, we synthesize four cathode-active poly(anthraquinonyl imide)s (PAQIs) from pyromellitic dianhydride (or 1,4,5,8-naphthalenetetracarboxylic dianhydride) and 1,4-diaminoanthraquinone (or 1,5-diaminoanthraquinone).

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Large-Scale Production of MoO 3 -Reduced Graphene Oxide Powders with Superior Lithium Storage Properties by Spray-Drying Process

“…Therefore, as the various synthetic methods have been developed, electrode materials having a variety of shapes and structures have also been developed [11][12][13][14][15][16][17][18][19][20][21][22]. Graphene is an impressive support material for active nanomaterials because of its high electric and thermal conductivity, flexibility, large surface area, and chemical stability [23][24][25][26][27][28]. Therefore, graphene-metal oxide composite materials with various compositions have been developed by various synthetic processes.…”