During electric arc spraying, during the transfer of molten metal by air flow, there is a significant burnout alloying elements with formation large amount oxides, which negatively affects adhesion coating to base. A solution problem increasing strength using pulsation atomizing flow proposed. At optimal frequency pulsed shut-off, time liquid droplets at ends electrodes coincides pulses sprayin...

Liquid in contact with two asymmetrical spiral-shape aluminum electrodes behaves like a still weak source of electrical energy. Almost the only way to increase efficiency such energy is reduce internal resistance. Reducing resistance equivalent using multiple sources connected series or parallel. To check this for unusual it first necessary study properties each source, which voltage drop acros...

two poly(oxyethylene) derivatives 1.10-bis(2'-benzoic acid)-1,4,7,1-tetradecane (l1) and 1,7-bis(2'-benzoic acid)-1,4,7-trioxaheptane (l2) were used as suitable ionophores for the preparation of potassium-selective pvc-membrane electrodes. the resulting electrodes based on l1 and l2 exhibit linear responses to the activity of k+ ions within the concentration ranges of 3.1´10-5 -2.7´10-2 m and 2...

Aluminum-Ion Batteries In article number 2203236, Hongsen Li and co-workers develop a Sn-based alloy (Co3Sn2) as type of aluminum-ion battery positive electrode, revealing bimetallic activated center alloying reaction aluminum storage mechanism. Both Co Sn act activation centers with Al to generate AxSn AlyCo, respectively, which is fundamentally different from what occurs in other metal-ion ba...

Aims: Recent advancements in sensing technology and wireless communications have accelerated the development of Internet Things (IoT) which promote usage wearable sensors. An emerging trend is to develop self-sustainable devices, thus eliminating necessity user carry bulky batteries. In this work, a flexible piezoelectric energy harvester that capable harvesting from low frequency vibrations pr...

the electrocatalytic degradation of methyl orange (mo) on pbo2-tio2 nanocomposite electrodes was studied by cyclic voltammetry and bulk electrolysis. the results reveal that pbo2-tio2 nanocomposite electrodes possess higher oxygen evolution overpotential than pbo2 electrodes and the electrocatalytic degradation of mo on the electrodes is direct oxidation process. the influence of experimental p...

sol-gel and polymeric membrane electrodes, based on thiacalix[4]arene as a neutral carrier, weresuccessfully developed for the detection of vo2+ in aqueous solutions. the sol-gel and pvcmembrane electrodes exhibited linear response with nernstian slopes of 29.3 and 28.4 mv perdecade, respectively, within the vanadyl ion concentration ranges from 1.0 × 10-6 to 1.0 × 10-1mol dm-3 and from 1.0 × 1...