EurekAlert!

State of health estimation for bipolar lead-acid batteries based on gray wolf optimized hybrid regression technique

Researchers have developed an integrated gray wolf optimization algorithm-based hybrid estimation framework that combines ...
pv magazine International

Bifacial CdTe solar cell achieves record power density via film lithography

The US National Renewable Energy Laboratory (NREL) and First Solar have used cracked film lithography (CFL) to build a bifacial cadmium telluride solar cell with a power density of 20.3 mW cm−2. They ...
Electronic Design

Apply Power-Density Fundamentals to Enhance Power-Management Systems

Relationship of power density and field strength. Some of the more uncommon power-density apps. RF designers frequently need to know the true power density or field intensity at a particular distance ...
Electronic Design

What’s the Difference Between Power Density and Power Spectral Density?

Defining laser-beam power density. Power spectral density (PSD) is the measure of a signal's power content versus frequency. PSD gives designers an idea of how the power of a signal is distributed ...
Semiconductor Engineering

Singulated Die Test Ensures Stacked Die Quality As Power Density Rises

The accelerating rate at which the industry adopts new process nodes is posing critical test challenges. Shrinking geometries combined with increased design complexity with respect to metrics such as ...