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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.
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.
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.
A bonded carbon fiber monolith was made using a coal-based pitch precursor without a binder.
Electrolysis is common in the production of clean hydrogen used to produce other chemicals such as ammonia, based on heavy use of precious metals, not mined domestically. Typical electrolyzer components prone to degradation and are not suited for long-term durability.