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Hide and seek between atoms: Findings illuminate mechanism of high-nickel cathodes for lithium-ion batteries

Hide and seek between atoms: Findings illuminate mechanism of high-nickel cathodes for lithium-ion batteries
phys.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from phys.org Daily Mail and Mail on Sunday newspapers.

Yeon kimSi young choiChiho joSungho choiYu jeong yangSora leePohang university of scienceKorea research institute of chemical technologyDepartment of materials scienceLg energy solutionChemical engineeringProfessor si young choiSo yeon kimMaterials sciencePohang universityKorea research institute

Double-layered catalyst generates more hydrogen

Ang butter bread, made by layering butter and red bean spread, creates a new flavor by combining the softness of butter and sweetness of red beans. Hydrogen-generating catalysts can also create sy .

United statesTsu leeDepartment of chemistryResearch professor soumen duttaJournal of the american chemical societyProfessor si young choi department of materials scienceAmerican chemical societyProfessor in su leeYu rim hongProfessor si young choiMaterials scienceProfessor jeong woo hanChemical engineeringHydrogen productionHybrid materialsWater electrolysis

Double-Layered Catalyst Generates More Hydrogen

Ang butter bread, made by layering butter and red bean spread, creates a new flavor by combining the softness of butter and sweetness.

United statesTsu leeCatalyst generates more hydrogenDepartment of chemistryResearch professor soumen duttaCatalyst generates more hydrogen doubleJournal of the american chemical societyProfessor si young choi department of materials scienceFuel cells worksDouble layered catalyst generates more hydrogenAmerican chemical societyProfessor in su leeYu rim hongProfessor si young choiMaterials scienceProfessor jeong woo han

Double-layered catalyst generates more hydrogen

Double-layered catalyst generates more hydrogen
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United statesSouth koreaOdongo francis ngome okelloTsu leeSi young choiSoumen duttaDepartment of chemistryResearch professor soumen duttaJournal of the american chemical societyHydrogen evolution reactionsProfessor si young choi department of materials scienceAmerican chemical societyProfessor in su leeYu rim hongProfessor si young choiMaterials science

Generating electricity from heat using the spin Seebeck device

E-Mail IMAGE: (Left) Structure of conventional thermoelectric module based on charge Seebeck effect (Right) Structure of new thermoelectric module based on spin Seebeck effect view more Credit: POSTECH Thermoelectric (TE) conversion offers a carbon-free power generation from geothermal, waste, body or solar heat, and shows promise to be the next-generation energy conversion technology. At the core of such TE conversion, there lies an all solid-state thermoelectric device which enables energy conversion without the emission of noise, vibrations, or pollutants. To this, a POSTECH research team proposed a way to design the next-generation thermoelectric device that exhibits remarkably simple manufacturing process and structure compared to the conventional ones, while displaying improved energy conversion efficiency using the spin Seebeck effect (SSE).1

South koreaYoung kimHyungyu jinSi young choiNational research facilitiesDepartment of mechanical engineeringDepartment of materials scienceYoung researcher programStrategic international collaborative research programProfessor hyungyu jinMin young kimMechanical engineeringProfessor si young choiMaterials scienceEnvironmental scienceGlobal frontier hybrid interface materials