Eco-Friendly Supercapacitors Based on Biodegradable Poly(3-Hydroxy-Butyrate) and Ionic Liquids

Migliorini, Lorenzo; Santaniello, Tommaso; Borghi, Francesca; Saettone, Paolo; Franchini, Mauro Comes; Generali, Gianluca; Milani, P.

doi:10.3390/nano10102062

Cited by 29 publications

(7 citation statements)

References 62 publications

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“…Neutral clusters can penetrate the polymer surface, forming a thin nanocomposite layer characterized by a three-dimensional electric percolating network. , The deposition process takes place at room temperature; it is solvent-free, and no pre- or postdeposition treatments of the polymer surface are needed. Many examples can be found in the literature where SCBD has been employed to fabricate conductive paths and electrodes on the surface of soft polymeric materials. ,− …”

Section: Results and Discussionmentioning

confidence: 99%

Super-Stretchable Resistive Strain Sensor Based on Ecoflex–Gold Nanocomposites

Migliorini

Santaniello

Falqui

et al. 2023

ACS Appl. Nano Mater.

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Superstretchable resistive strain sensors can reversibly undergo severe deformations in response to different mechanical stimuli, leading to a variation in their ohmic resistance. They are finding an increasing number of applications in wearable electronics, biomedical devices, and soft robotics. The development of fabrication process of reliable, highly sensitive, and biocompatible superstretchable strain sensors remains a challenge, especially in view of their integration with medical devices. Here, we demonstrate the fabrication of a high-strain resistive sensor based on Ecoflex elastomeric films and conductive Au clusters, obtained by supersonic cluster beam deposition. An extensive characterization of the electromechanical behavior of the sensor shows stable operation up to 4500 working cycles, with a maximum strain of 500% and a gauge factor of 124. Different mechanical stimuli, such as elongation and indentation, can be detected, and the easy coupling of the sensor with an inflatable balloon-type urinary catheter is demonstrated. Aiming at shedding light on the observed electromechanical mechanisms, the nanostructured morphology of the metal–polymer hybrid layer was investigated by low-vacuum scanning electron microscopy.

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Section: Results and Discussionmentioning

confidence: 99%

Super-Stretchable Resistive Strain Sensor Based on Ecoflex–Gold Nanocomposites

Migliorini

Santaniello

Falqui

et al. 2023

ACS Appl. Nano Mater.

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“…Ag clusters were also implanted into PDMS to obtain dielectric elastomer actuators [87]. The implantation of Au clusters into ionogels has led to the development of many types of smart material [83], such as electro-mechanical soft actuators [92,93], piezoionic devices [94], and supercapacitors [38,89]. Other advantages of this technique are the high collimation of the supersonic beam, which allows high-resolution micro-patterning [73], and the versatility of being able to deposit a whole variety of clusters, from metals to metal oxides and amorphous Reproduced from [116].…”

Section: Dry Printing Techniquesmentioning

confidence: 99%

“…Many nature-derived and biodegradable polymers can be employed as soft materials for the fabrication of transient electronic devices and robotics [32][33][34]. Cellulose [35,36], carbohydrates [37], bioplastics [38,39], natural textiles [40], and biodegradable elastomers and rubbers [41,42] can constitute the main body of electronic devices that harmlessly degrade into the environment.…”

Section: Introductionmentioning

confidence: 99%

Nanomaterials and printing techniques for 2D and 3D soft electronics

et al. 2022

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The merging of electronically conductive elements with soft polymeric materials gave birth to the novel field of soft and stretchable electronics and robotics, where the key aspect is the maintenance of the electrical properties even under severe mechanical deformation. Here we review the variety of fabrication techniques that have been designed, studied and tested, leading to foresee how soft technologies can have a revolutionary impact in the progress of biomedicine and pre-clinical practice, wearable electronics, environmental monitoring and recognition, smart farming and precision agriculture, energy harvesting and storage. A particular focus is given to wet and dry techniques for 2D and 3D printed electronics that allow the coupling of compliant conductive elements on complex three-dimensional objects and platforms. We discuss how a selection and a targeted optimization amongst different nanoscale building blocks nanomaterials and deposition techniques are now necessary. The watchwords to be prioritized are scalability, versatility, environmental sustainability and biocompatibility, integration and reduction of the fabrication steps. The target is the design of an eco-friendly and versatile approach for the full additive manufacturing of free-form advanced soft electronic devices, eventually biocompatible and biodegradable, with a multi-layer and multi-material process able to print both active and passive 3D elements on soft polymeric platforms. The sequential combination of dry and wet spray printing shows to be one of the most promising approach.

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“…Pectin is one of the abundantly available biocompatible materials used in the food and medical industries. An Electrolytic Double‐layer Capacitor (EDLC) has a gel or solid electrolyte between two conducting electrodes of a supercapacitor 14 . The ions migrate between the electrode forming a double layer on the electrode surface, thereby contributing to the double‐layer capacitance.…”

Section: Introductionmentioning

confidence: 99%

Fabrication of pectin biopolymer‐based biocompatible freestanding electrodes for supercapacitor applications

Harikumar

Batabyal

2023

Polymers for Advanced Techs

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Implantable energy storage devices that are soft, flexible, biocompatible, and biodegradable are the focus of current bio‐instrumentation research. Polymer gel‐based electrodes for energy storage applications such as supercapacitors and rechargeable batteries have a wide attraction for modern technology. This work proposes a flexible, transparent, and biodegradable electrode using pectin biopolymer with a biocompatible electrolyte as a supercapacitor. The biopolymer pectin can be a promising candidate for such energy storage devices. Polyethylene glycol (PEG) was added with pectin, which forms side chains for better stability and conductivity, improving the electrode materials' ionic conduction. Two devices were fabricated using pectin only (PO) and pectin/PEG (PP) composite as electrode materials. The interesting observation with PO was that it has slightly higher specific capacitance (CSP) than PP composite, but the long‐time retention was poor. Graphite was incorporated in the Pectin/PEG composite and fabricated two more devices with Pectin/PEG/Graphite (PPG) composite‐based biosupercapacitors using a 10% and 20% weight ratio of graphite to pectin. An electrochemical study was performed to understand the energy storage capacity of the fabricated electrodes. It was found that the 10% graphite incorporated sample showed excellent retention of 98.74% of capacitance with a specific capacitance of 11.48 mF/cm2 over 2500 cycles. With the increased stability and higher specific capacitance, pectin biopolymer‐based electrodes have a powerful impact on developing flexible and portable solid‐stat energy storage e systems.

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Eco-Friendly Supercapacitors Based on Biodegradable Poly(3-Hydroxy-Butyrate) and Ionic Liquids

Cited by 29 publications

References 62 publications

Super-Stretchable Resistive Strain Sensor Based on Ecoflex–Gold Nanocomposites

Super-Stretchable Resistive Strain Sensor Based on Ecoflex–Gold Nanocomposites

Nanomaterials and printing techniques for 2D and 3D soft electronics

Fabrication of pectin biopolymer‐based biocompatible freestanding electrodes for supercapacitor applications

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