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This invention presents a multiport converter (MPC) based power supply to charge the 12 V and 24 V auxiliary batteries in heavy duty (HD) fuel cell (FC) electric vehicle (EV) power train.
ORNL contributes to developing the concept of passive CO2 DAC by designing and testing a hybrid sorption system. This design aims to leverage the advantages of CO2 solubility and selectivity offered by materials with selective sorption of adsorbents.
Finite element (FE) numerical computation method is widely used to facilitate the design and optimization of manufacturing processes using two types of solvers, implicit and explicit.
Electrochemistry synthesis and characterization testing typically occurs manually at a research facility.
Carbon fiber is used in a wide range of manufacturing that utilize composite materials, from aerospace to golf clubs, as it has high strength and is lightweight. The process for manufacturing carbon fiber is complex and requires several stages.
Using all polymer formulations, the PIP densification is improved almost 70% over traditional preceramic polymers and PIP material leading to cost and times saving for densifying ceramic composites made from powder or fibers.
Atmospheric carbon dioxide is captured with an aqueous solution containing a guanidine photobase and a small peptide, using a UV-light stimulus, and subsequently released when the light stimulus is removed.
Next generation batteries for electric vehicles (EVs) and other manufacturing needs require solid-state batteries made with high-performance solid electrolytes. These thin films are critical components but are difficult to manufacture to meet performance standards.
Inorganic fillers play an important role in improving the ionic conductivity, electrochemical stability, and mechanical strength of solid composite electrolytes (SCEs) for next generation Li-ion batteries.
Regeneration of solvents used for carbon dioxide capture requires high temperature and high energy, which is a roadblock to commercialization and large-scale deployment of absorptive carbon capture plants.