نتایج جستجو برای: li s battery
تعداد نتایج: 786216 فیلتر نتایج به سال:
Li-ion batteries experience mechanical stress evolution due in part to Li intercalation into and de-intercalation out of the electrodes, ultimately resulting in performance degradation. In situ measurements of electrode stress can be used to analyze stress generation factors, verify mechanical deformation models, and validate degradation mechanisms. They can also be embedded in Li-ion battery m...
A reduced graphene oxide (rGO)-sulfur composite aerogel with a compact self-assembled rGO skin was further modified by an atomic layer deposition (ALD) of ZnO or MgO layer, and used as a free-standing electrode material of a lithium-sulfur (Li-S) battery. The rGO skin and ALD-oxide coating worked as natural and artificial barriers to constrain the polysulfides within the cathode region. As a re...
Accurate estimation of the state of charge (SOC) of batteries is one of the key problems in a battery management system. This paper proposes an adaptive SOC estimation method based on unscented Kalman filter algorithms for lithium (Li)-ion batteries. First, an enhanced battery model is proposed to include the impacts due to different discharge rates and temperatures. An adaptive joint estimatio...
Li salts and polar solvents form solvates, certain solvates have low melting temperatures remain in a liquid state at room temperature. Liquid-state exhibit ionic conductivity can be used as electrolytes lithium batteries. The author co-workers systematically studied the interactions of Li+ ions with anions, Li+-coordination structures, thermal properties, transport electrochemical properties m...
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