Cobalt and Calcium Co-Modification Supercharges Nickel Oxide Supercapacitor Electrodes
Supercapacitors occupy a peculiar middle ground in the energy storage world: they charge in seconds, survive hundreds of thousands of ...
Tag: Supercapacitors
Graphene-backed nickel cobalt oxide composite doubles as supercapacitor electrode and hydrogen catalyst
Researchers have unveiled a hybrid electrode material that pulls double duty in the clean-energy economy, storing impressive amounts of charge ...
Magnesium Doping Turns Hydrated Tungsten Oxide Nanoplates Into High-Performance Supercapacitor Electrodes
The choice of magnesium as a dopant in hydrated tungsten oxide is notable when considered against the broader landscape of ...
Heat Is the Hidden Enemy of Supercapacitors, and Engineers Are Fighting Back
A new comprehensive review reveals that supercapacitor lifespan halves for every 10 K of temperature rise and maps out the ...
Silver Doping Makes Zinc Oxide Nanoparticles Both Stronger and More Electrically Responsive
A new study shows that doping zinc oxide nanoparticles with silver simultaneously increases their hardness and elastic moduli while boosting ...
Silver Doping Makes Zinc Oxide Nanoparticles Both Stronger and More Electrically Responsive
A new study shows that doping zinc oxide nanoparticles with silver simultaneously increases their hardness and elastic moduli while boosting ...
Silver Doping Makes Zinc Oxide Nanoparticles Both Stronger and More Electrically Responsive
A new study shows that doping zinc oxide nanoparticles with silver simultaneously increases their hardness and elastic moduli while boosting ...
Silver Doping Makes Zinc Oxide Nanoparticles Both Stronger and More Electrically Responsive
A new study shows that doping zinc oxide nanoparticles with silver simultaneously increases their hardness and elastic moduli while boosting ...
Cheap Molybdenum and Zinc Sulfide Electrode Gets a Boost Simply by Changing the Electrolyte
Researchers in Saudi Arabia report that simply doubling the potassium hydroxide electrolyte concentration boosts the capacitance of a MoS2/ZnS nanocomposite ...
Black Gram Skins Turned Into High-Performance Supercapacitor Electrodes
Researchers in India have converted Vigna mungo seed skin, a waste byproduct of black gram milling, into KOH-activated porous carbon ...
Carbon-Coated MoS2 Delivers Record Supercapacitor Power and Rapid Dye Breakdown
Researchers in India report that an activated carbon coating activates the inert basal planes of layered MoS2, yielding a hybrid ...
Vanadium Swap Turns MOF Into Defect-Rich Cobalt Hydroxide for Water Splitting
Researchers used room-temperature vanadium cation exchange to reconstruct MOF-derived cobalt hydroxide electrodes with oxygen vacancies that dramatically boost oxygen evolution, ...
Cerium Oxide Meets Carbon Nitride in a Supercapacitor Electrode That Barely Wears Out
A hydrothermally synthesized CeO2/graphitic carbon nitride heterostructure delivers 675 F g−1 capacitance, 99.7% retention over 5000 cycles, and a surface-dominated ...
Seaweed Gel Turned Into Sponge-Like Carbon Powers Supercapacitors for 50,000 Cycles
Researchers converted agar-agar into a nitrogen-doped carbon aerogel with ultrahigh surface area that powers a 1.3-volt aqueous supercapacitor retaining 87 ...
Samarium Sulfide Boosts One Rare-Earth Electrode but Fails Another
A new study in Ionics shows that samarium sulfide modification dramatically improves neodymium sulfide electrodes in aqueous sodium sulfate while ...
Lanthanum-Doped Flower-Like Iron Molybdate Powers a New Breed of Supercapacitor
Researchers in China have built an asymmetric supercapacitor from lanthanum-doped flower-like iron molybdate cathodes and tin oxide-carbon nanotube anodes that ...
Magnetic Polyphosphazene Nanocomposites Merge Flexible Polymers With Responsive Iron Oxide
A new review in Polymer Bulletin surveys how magnetic polyphosphazene nanocomposites are synthesized, how their structure controls their properties, and ...
Cobalt Emerges as a Multitasking Powerhouse for Energy and Environmental Technologies
A comprehensive new review in Ionics charts how elemental cobalt and its oxides, chalcogenides, and metal–organic frameworks are advancing thermoelectric ...
Chalk, Bismuth and Nanotubes Combine to Smash Supercapacitor Records
A ternary composite of bismuth oxide, precipitated calcium carbonate and carbon nanotubes in a PVDF/DMF matrix achieves a specific capacitance ...
Nickel and Lithium Doping Face Off in Zinc Oxide Films for Supercapacitors
A comparative study finds lithium-doped zinc oxide thin films deliver higher conductivity and superior supercapacitor performance, while nickel doping enables ...
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