J.H. Tortai, A. Denat, N. Bonifaci, Self-healing of capacitors with metallized film technology:: experimental observations and theoretical model. J. Electrostat. 53, 159–169 (2000) Google Scholar H. Li, M. Zhang, F. Lin, Study on theory and influence factors of self-healing in metallized film capacitors. Trans. China Electrotech. Soc. 27, 218–223+230 (2012) Google …
Therefore, introducing smart self-healing materials into flexible batteries or capacitors is considered to be a very promising means to resist mechanical damage and prolong their life [21, 29, 34, 35, 36]. In 2001, White et al. first proposed self-healing microcapsule based on embedded system.
Self-healing materials increase the lifetime of the supercapacitor device. The supercapacitor has a long cycle life and a quick charge–discharge rate, contributing to its high power density [ 54, 55, 56 ]. But a minor crack can reduce the supercapacitor performance, which is unsafe.
Intrinsic self-healing mechanism can do multiple healing because it uses a reversible bond formation technique and does not require any external healing agent. But, it reduces the operating temperature range of the supercapacitor because healing material will creep. Also the glass transition temperature (Tg) is low of healing materials.
Self-healing materials can be used with electrodes or electrolytes in a supercapacitor device. Self-healing supercapacitors are evolving quickly but are still in their infancy due to high cost, limited performance, and complex fabrication processes. This article presented the different self-healing material and their application in supercapacitors.
We believe that this promising application of self-healing ionogels will provide a powerful tool in the creation of novel electrolytes for flexible rechargeable batteries with wide operating temperature ranges and long cycling lives. This work was financially supported by the National Natural Science Foundation of China (Grant Number 21971083).
Inspired by the healing phenomenon of nature, endowing energy storage devices with self-healing capability has become a promising strategy to effectively improve the durability and functionality of devices. Herein, this review systematically summarizes the latest progress in intrinsic self-healing chemistry for energy storage devices.
J.H. Tortai, A. Denat, N. Bonifaci, Self-healing of capacitors with metallized film technology:: experimental observations and theoretical model. J. Electrostat. 53, 159–169 (2000) Google Scholar H. Li, M. Zhang, F. Lin, Study on theory and influence factors of self-healing in metallized film capacitors. Trans. China Electrotech. Soc. 27, 218–223+230 (2012) Google …
In the context of the dielectric breakdown, self-healing designates a range of chemical processes, which spontaneously rearrange the atoms in the soot channels to …
This review article summarizes various self-healing techniques that are currently being explored and the associated chemistries that are involved in the preparation of self-healing composite ...
Metallized film capacitors exhibit a self-healing property that significantly improves their lifetime reliability characteristics. Figure 4 depicts the basic process wherein a dielectric defect results in a high current, high-temperature short circuit that quickly demetallizes the surrounding area. Unfortunately, this mechanism can be difficult to control, and in the worst case, a run-away ...
2.1 Internal Self-heating Method. As shown in Fig. 1, Internal self-heating method does not need external excitation, but through charging and discharging the battery, it consumes energy on the internal resistance of the battery to generate heat, so as to achieve the purpose of low-temperature heating low temperature environment, charging heating often …
Therefore, hybrid capacitor is expected to have battery-level energy density, high power density as well as excellent stability [6], [7], [8 ] ... which proves its potential application in flexible and low-temperature resistant capacitors. The self-healing ability of hydrogel is endowed by the non-covalent interaction between Fe 3 + and -COO −. The characterization of self …
We have developed a universal method for predicting the composition and evaluating the properties of the decomposition products obtained after the dielectric breakdown of a metalized film capacitor. This method applies to …
In addition, inheriting the self-healing capability of the PAM-PEGMA-IL ionogel, the SWF-ZABs were capable of repeatedly healing their damaged battery performance, effectively increasing their reliability and service life. We believe that this promising application of self-healing ionogels will provide a powerful tool in the creation of novel electrolytes for flexible …
In this study, we synthesize a novel self-healing supercapacitor (SC) by combining a thermally and alkali-activated carbon interface with a unique chromium–iron alloy. Detailed device electrochemistry is presented, complemented by characterizations through XRD, SEM, and EDS analyses of electrode surfaces. We introduce rapid cyclic voltammetric …
This review article summarizes various self-healing techniques that are currently being explored and the associated chemistries that are involved in the preparation of self …
We have developed a universal method for predicting the composition and evaluating the properties of the decomposition products obtained after the dielectric …
Among many aqueous batteries, flexible zinc-ion (Zn-ion) battery becomes the focus owing to the merits of low cost, non-toxicity, and safety. Here, a Zn dendrite-suppressible hydrogel electrolyte with both flexible and self-healing properties is developed via photoinitiated polymerization. The cross-linked structure of the polyacrylamide-N,N′-methylenebisacrylamide …
With the advancement of current wearable electronic gadgets, a flexible and self-healing supercapacitor is required. Flexible supercapacitors can often endure some …
In the context of the dielectric breakdown, self-healing designates a range of chemical processes, which spontaneously rearrange the atoms in the soot channels to partially return their insulative function. We developed a universal method capable of rating new capacitor designs including electrode and polymer material and their proportions. We ...
Fabrication of an autonomously self-healing flexible thin-film capacitor by slot-die coating† Susanna Vu,‡a Gnanesh Nagesh,‡b Nastaran Yousefi,‡a John F. Trant, a David S.-K. Ting, b M. Jalal Ahamed *b and Simon Rondeau-Gagne´ *a Flexible pressure sensors with self-healing abilities for wearable electronics are being developed, but generally either lack autonomous …
With the advancement of current wearable electronic gadgets, a flexible and self-healing supercapacitor is required. Flexible supercapacitors can often endure some bending and stretching stains, so mechanical damage or micro-cracks can degrade the electrochemical performance of supercapacitors.
Self-healing, triple-network GPE boasts exceptional mechanical strength. Seamless all-in-one supercapacitor delivers high capacitance and interface property. KI-enabled supercapacitor shows high energy density, flexibility, and cold resistance.
The prepared self-healing ionogel is used to assemble self-healing flexible ZABs with a wide operating temperature range. These ZABs have ultra-long cycling lives and excellent stability under harsh conditions. After …
Inspired by the healing phenomenon of nature, endowing energy storage devices with self-healing capability has become a promising strategy to effectively improve the …
Self-healing capacitors are designed to automatically restore their functionality after experiencing electrical stress, such as overvoltage or short circuits. This self-repair capability is crucial in applications where component failure can lead to significant downtime, safety hazards, or financial losses.
Herein, we design a highly conductive hydrogel electrolyte (ionic conductivity up to 84 mS cm −1), based on cross-linked aqueous acrylamide (AAm) solution in the presence of poly (N-vinylpyrrolidone) (PVP), with excellent self-healing capability by intermolecular hydrogen bonds between PVP and PAM.
Self-healability is essential for supercapacitors to improve their reliability and lifespan when powering the electronics. However, the lack of a universal healing mechanism leads to low ...
The addition of ionic-conducting or electrical-conducting functions to self-healing polymer binders provides the potential to turn binders into solid polymer electrolytes or be part …
The addition of ionic-conducting or electrical-conducting functions to self-healing polymer binders provides the potential to turn binders into solid polymer electrolytes or be part of a conducting component, thereby enhancing battery capacity. A self-healing polymer binder with hydrogen bonding improved the cyclic performance of a silicon ...
Self-healing capacitors are designed to automatically restore their functionality after experiencing electrical stress, such as overvoltage or short circuits. This self-repair …
Herein, we design a highly conductive hydrogel electrolyte (ionic conductivity up to 84 mS cm −1), based on cross-linked aqueous acrylamide (AAm) solution in the presence …
High-temperature metallized film capacitors (MFCs) are urgently desired in harsh application environments. Although there are a large number of research on polymer dielectrics with satisfactory energy storage property and excellent thermal resistance, it is not clear about the self-healing performance which is the key factor determining whether they can be applied in …
Inspired by the healing phenomenon of nature, endowing energy storage devices with self-healing capability has become a promising strategy to effectively improve the durability and functionality of devices. Herein, this review systematically summarizes the latest progress in intrinsic self-healing chemistry for energy storage devices.
The prepared self-healing ionogel is used to assemble self-healing flexible ZABs with a wide operating temperature range. These ZABs have ultra-long cycling lives and excellent stability under harsh conditions. After being damaged, the ZABs can repeatedly self-heal to recover their battery performance, providing a long-lasting and ...
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