Hierarchical nanostructured conducting polymer hydrogel with high electrochemical activity
Open accessAbstract
Conducting polymer hydrogels represent a unique class of materials that synergizes the advantageous features of hydrogels and organic conductors and have been used in many applications such as bioelectronics and energy storage devices. They are often synthesized by polymerizing conductive polymer monomer within a nonconducting hydrogel matrix, resulting in deterioration of their electrical properties. Here, we report a scalable and versatile synthesis of multifunctional polyaniline (PAni) hydrogel with excellent electronic conductivity and electrochemical properties. With high surface area and three-dimensional porous nanostructures, the PAni hydrogels demonstrated potential as high-performance supercapacitor electrodes with high specific capacitance (∼480 F·g -1 ), unprecedented rate capability, and cycling stability (∼83% capacitance retention after 10,000 cycles). The PAni hydrogels can also function as the active component of glucose oxidase sensors with fast response time (∼0.3 s) and superior sensitivity (∼16.7 μA·mM -1 ). The scalable synthesis and excellent electrode performance of the PAni hydrogel make it an attractive candidate for bioelectronics and future-generation energy storage electrodes.
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Conducting polymer polyaniline (PANI) has attracted attention in high performance supercapacitors because of its simple processing, low price, high electrical conductivity and high theoretical specific capacitance.
“conducting polymer polyaniline (PANI) have attracted a lot of attention in high performance supercapacitors because of its simple processing, low price, high electrical conductivity and high theoretical specific capacitance.[11–14]”
From Engineering of MoS<sub>2</sub> Quantum Dots/PANI Aerogel for High Performance Supercapaciator (2019) · cites this paper as [13]
The Results and Discussion describe a readily processed, conductive PANI hydrogel, and the paper reports high measured specific capacitance for its supercapacitor electrodes. Our copy does not establish that PANI itself is low-priced or has high theoretical specific capacitance; its low-cost remark concerns spray coating, not PANI. The findings also concern a particular PANI hydrogel rather than PANI generally. (LLM, conf=0.88)
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- Mott N, Davis E (1979) Electronic Processes in Noncrystalline Materials (Clarendon Press, Oxford), 2nd Ed, p 34.
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- Authors
- Pan, L., Yu, G., Zhai, D., Lee, H. R., Zhao, W., Liu, N., Wang, H., Tee, B. C.-K., Shi, Y., Cui, Y., & Bao, Z.
- Affiliations
- Nanjing University (CN)
- Stanford University (US)
- SLAC National Accelerator Laboratory (US)
- ORCID
- Venue
- Proceedings of the National Academy of Sciences
- Publisher
- National Academy of Sciences
- Published
- 2012-05-29
- Volume
- 109
- Issue
- 24
- Pages
- 9287-9292
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- PMC
- PMC3386113
- OpenAlex
- W2115932255
- Cited by
- 1,216
- References
- 0
- Citations by year
- 2026: 39 · 2025: 67 · 2024: 85 · 2023: 79 · 2022: 110 · 2021: 127 · 2020: 124 · 2019: 104 · 2018: 111 · 2017: 106 · 2016: 94 · 2015: 77 · 2014: 60 · 2013: 30 · 2012: 2
- FWCI
- 42.52
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Proceedings of the National Academy of Sciences (publishedVersion)
- Europe PMC (PubMed Central) (publishedVersion)
- PubMed Central (publishedVersion)
- PubMed (publishedVersion)
- Funders
- U.S. Department of Energy (76SF00515, DE–AC02–76SF00515, AC02‐76SF00515, DE-AC02-)
- National Natural Science Foundation of China (60928009, 61076017)
- Stanford Precourt Institute for Energy
- Basic Energy Sciences (DE-AC02, 76SF00515, AC02-76SF00515, DE-AC-02-76SF00515)
- Laboratory Directed Research and Development (76SF00515, DEAC02-76SF00515)
- SLAC National Accelerator Laboratory (DEAC02−76SF00515, AC02‐76SF00515)
- Division of Materials Sciences and Engineering (DE-AC02, DE-AC02-76SF00515)
- Topics
- Physical Sciences › Materials Science › Polymers and Plastics › Conducting polymers and applications
- Physical Sciences › Materials Science › Electronic, Optical and Magnetic Materials › Supercapacitor Materials and Fabrication
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Medicine › Hydrogels: synthesis, properties, applications
- Keywords
- conducting polymer hydrogels, hierarchical nanostructures, supercapacitor electrodes, specific capacitance, electrochemical sensor, nanoporous materials, scalable synthesis, bioelectronics, energy storage electrodes
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