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Highlights ► A proof-of-concept study for self-aligned Cu–Si core–shell NW array as a high-performance anode. ► Copper core functions as a built-in current collector and enhances the NW strength and toughness. ► Initial half-cell testing demonstrated high Coulombic efficiency and good...
Highlights ► Double-perovskite Ba 2 MMoO 6 (M = Fe, Co, Mn, Ni) has been investigated as anode materials for solid oxide fuel cells. ► Ba 2 FeMoO 6 shows the best electrochemical performance with maximum power density of 605 mW cm −2 at 850 °C in H 2 . ► Ba 2 MMoO 6 exhibits matchable...
Highlights ► A facile and scalable process is established to prepare TiO 2 /C composite nanotube. ► TiO 2 /C composite nanotubes exhibit markedly improved electrochemical properties. ► Glucose can be used as shape-stabilizing agent to retain the tubular morphology.
Highlights ► We prepared a nanochain LiMn 2 O 4 by a starch-assisted sol–gel method. ► Its electrochemical performance as cathode for lithium ion batteries was tested. ► At the charge rate of 20 C, its reversible capacity is 58 mAh g −1 . ► At the discharge rate of 50 C, 70 mAh g −1...
Highlights ► An exceptionally durable and highly active Pt catalyst has been prepared by embedding Pt nanoparticles inside the pores of a nitrogen-doped porous carbon layer coated on carbon nanotubes. ► In the accelerated durability test, the I max after 2000 cycles for Pt@NC-CNT-600...
Highlights ► We present a novel idea to induce cross flow in parallel channels by manipulating the back pressure. ► Performance gains were found in the ohmic and mass transport loss regimes. ► The test results show up to a 24% improvement in current density and a 14% improvement in net power.
Highlights ► A viable way to diagnose the low temperature power decline of a lithium-ion battery during the pulse discharging process was suggested. ► The proportional contribution of the internal resistances to the total polarization was systematically analyzed as a function of the pulse...
Highlights ► Li/LFP semi-3D MBs on Si substrates showed high pulse power and stable electrochemical behavior. ► The CuS-coated LFP 3DMB is capable of delivering even higher pulse power and energy density. ► These batteries are designed to have small footprint and yet provide sufficient...
Highlights ► Discharge properties are improved by Al partial substitution for Mg in Mg 2 Ni film. ► The hydride stability decreases with the increase content of Al in the Mg 2− x Al x Ni. ► Anti-corrosion property is improved with Al partial substitution for Mg. ► Al partial...
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