Electroactive biopolymer/graphene hydrogels prepared for high-performance supercapacitor electrodes

Xiong, Changlun; Zhong, Wenbin; Zou, Yubo; Luo, Jinwei; Yang, Wantai

doi:10.1016/j.electacta.2016.06.117

Cited by 49 publications

(44 citation statements)

References 63 publications

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“…To address these issues various research groups have employed many strategies like self‐cross linking, fabrication of metal/metal oxide nanoparticles, supramolecular inspired synthesis of hydrogels, graphene quantum dots (GQDs) etc . Duan et al reported an asymmetric supercapacitor consisting graphene hydrogel (GH) with 3D interconnected pores as negative electrode and MnO 2 nanoplate on nickel foam as positive electrode.…”

Section: Synthetic Approaches For Selected Hydrogelsmentioning

confidence: 99%

“…The blend was transferred into Teflon‐lined autoclave having temperature 180 o C to obtain black hydrogels. This 3D porous composite hydrogel served as binder‐free electrode for supercapacitor . Another new 3D reduced graphene/CdS hydrogels (RGO/CdS) was prepared via facile hydrothermal process .…”

Section: Synthetic Approaches For Selected Hydrogelsmentioning

confidence: 99%

“…Lignosulfonate (Lig) is a good candidate for supercapacitor electrode material. A Lig/graphene hydrogel (Lig‐GH) composite was designed at a mass ratio of 3:4 and 180 o C temperature to exhibit outstanding electrochemical performance . The hydrogel has specific capacitance of 549.5 Fg −1 at a current density of 1 Ag −1 in 0.1 M HClO 4 electrolyte.…”

Section: Hydrogels For Supercapacitorsmentioning

confidence: 99%

“…The hydrogel has specific capacitance of 549.5 Fg −1 at a current density of 1 Ag −1 in 0.1 M HClO 4 electrolyte. It also showed 83.7% capacitance retention after 1000 cycles at 20 Ag −1 . Graphene hydrogel/activated carbon nanocomposite (Figure ) was synthesized which working at a scan rate of 1 mVs −1 showed specific capacitance of 602.36 Fg −1 in 1 M H 2 SO 4 solution and 155.78 Fg −1 for GH.…”

Section: Hydrogels For Supercapacitorsmentioning

confidence: 99%

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Hydrogels: Promising Energy Storage Materials

Savan

Veer

2018

ChemistrySelect

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Energy is essential for the economic growth of any country. There is a strong demand for the development of materials that can show potential towards higher power density and energy density. In this article, a promising class of polymeric materials, hydrogels have been discussed as an energy storage material. The hydrogels are advantageous as they possess in them the unique combination of organic conductors and conventional polymers. The article covers the synthetic approach of hydrogels which includes both the conventional synthesis and the new routes adopted followed by the application of hydrogels as energy storage materials. Finally, the future opportunities and prospects in the development of hydrogels as advanced energy storage materials are highlighted.[a] Dr.

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Section: Synthetic Approaches For Selected Hydrogelsmentioning

confidence: 99%

Section: Synthetic Approaches For Selected Hydrogelsmentioning

confidence: 99%

Section: Hydrogels For Supercapacitorsmentioning

confidence: 99%

Section: Hydrogels For Supercapacitorsmentioning

confidence: 99%

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Hydrogels: Promising Energy Storage Materials

Savan

Veer

2018

ChemistrySelect

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“…Additionally, graphene‐containing polymer hydrogel due to its biocompatibility can be used as biosensor, imaging agent, drug delivery carrier, etc . In particular, GO is an effective component in the composite hydrogel for the adjustment of cell behaviors and biological sequences due to its special surface properties.…”

Section: Properties and Applications Of Polymer–graphene Hydrogelsmentioning

confidence: 99%

Recent Progress of Graphene‐Containing Polymer Hydrogels: Preparations, Properties, and Applications

Pan

Liu

Gai

2017

Macro Materials & Eng

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Polymer hydrogels have attracted much attention due to their mechanical, biological, and physicochemical properties. Incorporation of functional material enlarges their applications. Graphene, as a promising additive, has received great attention due to its large specific surface area, ultrahigh conductivity, strong antioxidant, thermal stability, high thermal conductivity, and good mechanical properties. In this brief review, graphene‐containing polymer hydrogels with special properties are summarized including their preparations, properties, and applications. In addition, future perspectives of polymer hydrogels containing graphene are briefly discussed.

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