We fabricate a porous and flexible membrane electrode composed of nano-nickel hydroxide as an electrochemically active material, a polymer as a substrate material, and a copolymer as a modification additive. A series of amphiphilic block copolymers of PAA-b-PAN-b-PAA, F127, PDMC-b-PAN-b-PDMC, and PVP-b-PAN-b-PVP are prepared, and …
A flexible integrated energy system (IES) can curb the supply–demand imbalances caused by renewable energy and load uncertainty. This study proposes an IES model based on a demand response mechanism and a multi-time-scale optimization scheduling method with the aim of fully utilizing its flexibility.
One of the most studied nanocarbon materials for flexible electronics is carbon nanotubes because of their high aspect ratio, exceptional mechanical strength, and high electrical conductivity. CNT thin films are often used to create mechanically flexible electronics, including displays, touch screens, RF devices, energy storage, and …
We have successfully employed a charge transfer mechanism to convert carbon nanotube (CNT) powder into CNT flexible membrane with no binder. We have demonstrated the use of the CNT membranes as electrode in a stacked bipolar solid-state capacitor using grafoil as current collector that showed 80% capacitance retention over 10,000 cycles at 70 °C.
As a novel energy storage technology possessing impressive energy density, high safety, low cost, and environmental friendliness, research into flexible ZIBs has intensified. Attention has been paid to graphene-based composite films as flexible ZIB cathodes, including manganese-based materials [170], vanadium-based materials [171], [172], and …
Membrane filtration is a major process used in the energy, gas separation, and water treatment sectors, yet the efficiency of current membranes is limited. Here, we review the use of machine learning to improve membrane efficiency, with emphasis on reverse osmosis, nanofiltration, pervaporation, removal of pollutants, pathogens and …
To evaluate the energy storage capability of the CPNF based PENGs, the PENG subjecting to periodic tactile stimuli was connected to a commercial capacitor through a full-wave bridge circuit using electrometer. Charging behaviors of capacitors (1 …
As shown in Fig. 1 c, an X-ray diffractometer (XRD) was used to determine the changes in the crystal structure of the composite film.Among them, the reflection peaks at 21.7 and 24.1 were the characteristic peaks of SA (Zhang and Liu, 2018, Li et al., 2013), and decreased with the addition of CNF components due to the lattice structures and …
We have successfully employed a charge transfer mechanism to convert carbon nanotube (CNT) powder into CNT flexible membrane with no binder. We have demonstrated the use of the CNT membranes as electrode in a stacked bipolar solid-state capacitor using grafoil as current collector that showed 80% capacitance retention over …
With the development of wearable electronics, flexible energy storage devices with high energy density, reliability, safety, and low cost are widely studied [60,61]. Zinc-based batteries and supercapacitors (SCs) with high safety, good energy density, and low cost have gained widespread attention [[62], [63], [64]].
Thus, various flexible electrolytes have been designed for flexible energy storage devices in wearable electronic devices [65, 66]. Among them, environment-adaptable hydrogel electrolytes have a certain flexibility, anti-freezing, anti-dehydration, and relatively low preparation cost, which supplied a general and promising strategy for …
With the swift advancement of the wearable electronic devices industry, the energy storage components of these devices must possess the capability to maintain stable mechanical and chemical properties after undergoing multiple bending or tensile deformations. This circumstance has expedited research efforts toward novel electrode …
The application of electrical energy storage technology in buildings has had a profound effect on building demand and building energy flexibility. The electric energy storage device can perform flexible regulation activities such as …
By many unique properties of metal oxides (i.e., MnO 2, RuO 2, TiO 2, WO 3, and Fe 3 O 4), such as high energy storage capability and cycling stability, the PANI/metal oxide composite has received significant attention.A ternary reduced GO/Fe 3 O 4 /PANI nanostructure was synthesized through the scalable soft-template technique as …
Graphical abstract. Flexible energy storage devices based on graphene-based materials with one-dimensional fiber and two-dimensional film configurations, such as flexible supercapacitors, lithium-ion and lithium–sulfur and other batteries, have displayed promising application potentials in flexible electronics. 1.
A demand-driven biogas production is vital for balancing power generation and can generally be achieved by biogas storing or flexible biogas production concepts. This study analyses and reviews both concepts regarding their ability to facilitate a biogas supply for short-term and long-term balancing power generation.
As a result, the demand for inexpensive, lightweight, flexible, eco-friendly, and biodegradable energy storage has surged. Paper-based batteries have attracted a lot of research over the past few years as a possible solution to the need for eco-friendly, portable, and biodegradable energy storage devices [ 23, 24 ].
The discharge profiles of both SFE LFP and SFE LMO are stable over a wide range of current densities (LFP, 0.375–3 mA cm −2 and LMO, 0.9–3.6 mA cm −2 ). At a continuous flow mode and 80% SOC, our SFE electrodes achieved 90 mAh g LFP−1 and 90 mAh g LMO−1, representing 64%–76% of the rated capacity.