Efficient and stable electrocatalyst for oxygen evolution reaction(OER)in acidic environment is vital for polymer electrolyte membrane water electrolysis(PEMWE).In this work,we have devised the formation of heterostru...
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Efficient and stable electrocatalyst for oxygen evolution reaction(OER)in acidic environment is vital for polymer electrolyte membrane water electrolysis(PEMWE).In this work,we have devised the formation of heterostructured RuO_(2)/MnO_(2)with nanoflower structure for acidic OER *** to commercial RuO_(2),the overpotential at 50mA/cm^(2)is decreased by 36 mV,corresponding to a 3.7-fold better mass *** boosted acidic OER performance is attributed to the heterostructure inducing more electrons are filled in e_(g)orbital of Ru atom triggering a better deprotonation of bridge oxygen atom in Ru-O_(bri)-Mn structure evidenced by pH-independent cyclic voltammetry ***,RuO_(2)/MnO_(2)sustains its acidic OER activity within 20 h,longer than commercial RuO_(2).The membrane electrode assembly(MEA)test suggests than only 2.18 V is required to achieve a current density of 5 A/cm^(2).The theoretical calculation reveals that the e_(g)filling of Ru atom is increased from 2.18 to 2.39 after MnO_(2)incorporation,reducing the energy for the formation of∗OOH moiety.
We proposed new methods of switching 3D images using projectors for moving images on an arc 3D display. An arc 3D display is a 3D display method that uses directional scattering of light generated by arc-shaped scratc...
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Natural dyes serve as a benign alternative to their synthetic counterparts, offering a sustainable option that directly mitigates the release of toxic chemicals. In this study, cotton fabrics were dyed with neem leaf ...
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It remains a challenge for a simple and scalable method to fabricate ultrathin porous Janus membranes for stretchable on-skin ***,we propose a one-step droplet spreading phase separation strategy to prepare an ultrath...
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It remains a challenge for a simple and scalable method to fabricate ultrathin porous Janus membranes for stretchable on-skin ***,we propose a one-step droplet spreading phase separation strategy to prepare an ultrathin and easily collected Janus thermoplastic polyurethane(TPU)membrane within *** metal-ion solvation structure mitigated migration kinetics to delay TPU solution demixing,promoting the further penetration of the coagulating ***,the developed membranes,with an average preparation rate of 25.2 cm^(2)s^(−1),had a thickness of 5μm,and the water vapor transmission rate was determined to be 663 g m^(−2) d^(−1).The small pore layer having an average pore size of 1.7μm effectively blocked external liquid *** porous Janus TPU membrane coated by liquid metal served as a building block to develop a new generation of monolithic stretchable electronics with simultaneous high permeability and waterproofness.
Global warming is making plants more susceptible to heat ***,adjustments to crop production systems are required for global food *** stress(HS)poses a threat to the quality of ecosystems and global food security due t...
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Global warming is making plants more susceptible to heat ***,adjustments to crop production systems are required for global food *** stress(HS)poses a threat to the quality of ecosystems and global food security due to its adverse effects on plant *** degree to which HS affects physiological disruptions,physical harm,and biochemical changes at various growth stages directly correlates with its effects on physiological functions,plant growth,and crop *** promising approach is soil modification using biochar,which enhances soil health and promotes the development of microbial communities,ultimately improving plant heat *** enhances soil structure,improves moisture retention,and increases nutrient availability in hot weather,thereby promoting plant growth and enhancing crop ***,biochar,with its porous structure and ability to provide a liming effect,increases the diversity and activity of soil microbes,thereby fostering advantageous symbiotic *** microbial communities support nutrient cycling,root growth,and general soil health,strengthening biochar’s position as a long-term solution for climate-resilient *** research concentrated on the connection between biochar and heat stress or microbial populations;however,this review uniquely combines all three elements,providing a fresh viewpoint on their interrelated functions in enhancing plant ***,this study demonstrates the potential of biochar as a sustainable component for improving soil and supporting crops that adapt to heat *** examines the processes underlying these interactions and provides recommendations for future research strategies.
We derive the exact expression for the resonant frequency of the time-averaged steady-state energy and show that this frequency is excellently approximated by the arithmetic mean of the amplitude and velocity resonant...
Air filter filtration efficiency is determined by the particle capture-to-pressure drop ratio. We produced a melt-blown nonwoven fabric with a specific fiber diameter distribution by blending thick fibers using nozzle...
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Stab-resistant textiles play a critical role in personal protection, necessitating a deeper understanding of how structural and layering factors influence their performance. The current study experimentally examines t...
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Conductive hydrogel has garnered significant fascination for its potential as wearable sensor. However, designing a wearable sensor with excellent electrical conductivity, self-healing capability, mechanical strength ...
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