Results 161 to 170 of about 33,943 (262)

A Computational Fluid Dynamic Study on Efficiency of a Wavy Microchannel/Heat Sink Containing Various Nanoparticles. [PDF]

open access: yesMicromachines (Basel), 2021
Khetib Y   +5 more
europepmc   +1 more source

Low Thermal Resistance Architectures for AlGaN‐Based Semiconductor Devices

open access: yesAdvanced Electronic Materials, EarlyView.
Engineering channel thickness and substrate material significantly improves thermal management in AlGaN RF devices. A 5 nm AlGaN channel integrated on an AlN substrate achieved a record‐low thermal resistance of 3.96 K·mm${\rm K}\cdot{\rm mm}$/W, representing an 88.7% reduction compared with 500 nm AlGaN‐on‐sapphire devices.
Kidus Guye   +6 more
wiley   +1 more source

A Quantitative Lithium Inventory Framework for Anode‐Free Lithium Metal Batteries

open access: yesAdvanced Energy Materials, EarlyView.
A component‐resolved lithium inventory framework quantitatively tracks Li redistribution across the cell in anode‐free NMC622||Cu pouch cells throughout cycling. Three sequential degradation stages are identified: formation‐driven cathode Li depletion, midlife inactive Li0 accumulation, and late‐stage runaway SEI thickening. The cathode, as the sole Li
Wurigumula Bao   +9 more
wiley   +1 more source

Beyond the Gold Standard: Towards Industrially Viable Electrodes for Durable Perovskite Solar Cells

open access: yesAdvanced Energy Materials, EarlyView.
Transparent and opaque electrode materials are mapped by raw material cost per 1 m2 electrode area and retained median device efficiency after heat–light ageing. FTO offers a lower‐cost and more stable alternative to ITO, while Cr/Al provides the lowest‐cost rear electrode investigated with Au‐like stability and substantially improved durability ...
Tino Lukas   +17 more
wiley   +1 more source

Experimental and Numerical Study of a Trapezoidal Rib and Fan Groove Microchannel Heat Sink. [PDF]

open access: yesMicromachines (Basel)
Jin L   +9 more
europepmc   +1 more source

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