Improving electrochemical performance of polyaniline by introducing carbon aerogel as filler
Literature Information
Fei Xu, Gengdong Zheng, Yeru Liang, Zhenghui Li
Polyaniline (PANI) with carbon aerogel (CA) as conducting filler has been synthesized by an in situ chemical oxidative polymerization method. Scanning electron microscopy, infrared spectra, cyclic voltammetry and X-ray diffraction indicate that the three-dimensional carbon nano-network of CA is entirely buried inside the PANI matrix and its introduction basically does not change the structure of PANI. The electrochemical performances of the as-prepared PANI materials with CA filler are evaluated by means of galvanostatic charge–discharge test, cyclic voltammetry and electrochemical impedance spectroscopy. It is found that the electrochemical performances of PANI are notably improved due to the introduction of CA filler. For example, when operating at a large current density of 50 mA cm−2, CA-modified PANI with the optimal CA/aniline ratio of 1.0 wt% exhibits a specific capacitance as high as 226 F g−1, whereas neat PANI has only 89 F g−1. The CA modification mechanism of PANI has been discussed in detail.
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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.














