Recently, a need for mechanically flexible and strong batteries has arisen to power technical solutions such as active RFID tags bendable reading devices. In this work, method making battery cells, integrated into single paper structure, is presented. Nano-fibrillated cellulose (NFC) used both electrode binder material separator material. The papers are made through paper-making type process by sequential filtration of water dispersions containing the components. resulting structure thin,...

Carbon fibers have the combined mechanical and electrochemical properties needed to make them particularly well suited for usage as electrodes in a structural lithium-ion battery, material that simultaneously works battery composite. Presented this paper is an evaluation of commercial polyacrylonitrile-based carbon terms capacity coulombic efficiency, microstructural surface evaluation. Some polyacrylonitrile based intercalate lithium ions, resulting similar state-of-the-art graphite...

The present study describes the synthesis and characterization of a series four composite electrolytes for lithium ion battery applications. two-phase are composed soft, ionic conductive poly(ethylene glycol) (PEG) matrix having stiff nanofibrillated cellulose (CNF) paper as reinforcement to provide mechanical integrity. reinforcing CNF is modified in order create covalent bonds between phases which particularly beneficial when swelling with liquid electrolyte enhance conductivity. After...

The industrial lignin used here is a byproduct from Kraft pulp mills, extracted black liquor. Since inexpensive, abundant and renewable, its utilization has attracted more attention. In this work, was for the first time as binder material LiFePO4 positive graphite negative electrodes in Li-ion batteries. A procedure pretreatment of lignin, where low-molecular fractions were removed by leaching, necessary to obtain good battery performance. analyzed molecular mass distribution thermal...

Abstract Lignin-based carbon fibers (LCFs) from the renewable resource softwood kraft lignin were synthesized via oxidative thermostabilization of pure melt-spun and carbonization at different temperatures 1000°C to 1700°C. The resulting LCFs characterized by tensile testing, scanning electron microscopy (SEM), X-ray diffraction (XRD) confocal Raman spectroscopy. microstructure is mainly amorphous with some nanocrystalline domains. strength stiffness are inversely proportional temperature,...

Flexible Li-ion batteries attract increasing interest for applications in bendable and wearable electronic devices. TEMPO-oxidized cellulose nanofibrils (TOCNF), a renewable material, is promising candidate as binder flexible with good mechanical properties. Paper can be produced using water-based paper making process, avoiding the use of toxic solvents. In this work, finely dispersed TOCNF was used showed binding properties at concentrations low 4 wt %. The characterized atomic force...

The mechanical and electrochemical properties are coupled through a piezo-electrochemical effect in Li-intercalated carbon fibers. It is demonstrated that this makes it possible to harvest electrical energy from work. Continuous polyacrylonitrile-based fibers can work both as electrodes for Li-ion batteries structural reinforcement composites materials used study. Applying tensile force fiber bundles Li-intercalating results response of the electrode potential few millivolts which allows, at...

This study concerns with controlled debonding of adhesive generated electricity. is a concept which could potentially be used in wide range applications, such as light-weight automotives, can easily recyclable at the touch button. The studied material produced laminate an epoxy bonded between aluminium foils. An electrochemical investigation these adhesives was performed. A three-electrode system circular quasi-reference electrode validated and together electrical impedance spectroscopy...

This study investigated the morphology, electrochemical modification with respect to wood fiber direction, and mechanical properties of modified by in situ polymerization polyaniline (PANI).This formed a composite material applications as an antistatic, electromagnetic, anti-corrosion, heavy metal purifying materials.The polymer was found throughout entire structure quantified within cell wall middle lamella SEM-EDX.The presence PANI affected conductivity specimens, which be higher...

The electrochemical properties of various iron oxide scales on steel exposed in saturated calcium hydroxide solutions were investigated. manufactured by different heat treatments and grinding processes characterized using X-ray diffraction scanning electron microscope. the assessed measuring corrosion potential impedance spectroscopy potentiodynamic polarization curves. It was found that wustite magnetite are less noble compared to hematite but more effective as cathodic surfaces. results...

The binder material plays an important role in the electrodes for Li-ion batteries, keeping good electrochemical stability and adhesion with current collectors. conventional commercial batteries is poly vinylidene fluoride (PVDF). However, it requires dissolving organic solvent, typically N-methyl-2-pyrrolidione (NMP), which toxic expensive. Kraft lignin a byproduct extracted from pulp paper industries by LignoBoost process [1]. Its utilization has gained considerable attention due to its...

This paper reports on a novel miniaturized MEMS-based amperometric nitric oxide sensor that is suitable for point of care testing device asthma. The novelty lies in the combination high surface area microporous structured electrode, nano-structured Nafion coated side walls micropores, and liquid electrolyte. allows detection very low concentration (parts-per-billion) gas, has sensitivity 4 μA/ppm/cm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML"...

Li-ion batteries are the most important power source in application of portable electronics. Flexible attract increasing interest and could be very useful bendable wearable electronic devices. Nano-fibrillated cellulose (NFC), a renewable material, is promising candidate as binder for flexible batteries, with good mechanical properties. They can produced using water-based paper making process, avoiding use toxic solvents. Recent work has shown capacity fading during repeated cycling based...

There is a continuing and growing demand for new improved battery technologies. Extensive research dedicated to pushing the limits of Li-ion batteries in terms safety, environmental aspects, cost, lifetime performance. A lot focus lies on improving graphite other types carbon-based electrodes [1-2] extensive has been going since beginning 90’s. Another possible route technologies system level by introducing multifunctional materials. One way do this with structural batteries, where can...