نتایج جستجو برای: polypropylene separator
تعداد نتایج: 11954 فیلتر نتایج به سال:
Lithium metal batteries (LMB)-laminate-type full cells were prepared by combining a high-concentrated electrolytes lithium bis(fluorosulfonyl)imide (LiFSI)/ethylene carbonate (EC) and the 3-Dimensionally Ordered Macroporous (3DOM) Polyimide (PI) separator, cycle characteristics compared with cell using conventional polypropylene (PP) + polyethylene (PE) which is widely used in ion batteries. Th...
Energy storage and mobility industries use polypropylene (PP) nanocomposites. The energy applications of newly made microporous SiO2 filled, porous PP nanocomposites combining PP, natural rubber, nanoparticles then subsequently removing rubber from the nanocomposite were explored in this paper. SEM pictures showed how pore morphology was altered by nanofillers. Mechanical tensile tests reveal t...
WS2@C nanoflowers modified polypropylene separator (WS2@C-PP) can effectively adsorb lithium polysulfides and catalyze their conversion on the adsorptive/electrocatalytic sites of WS2. The unique design carbon coating WS2 maximizes synergism polarity conductivity, benefiting recycling active materials, while forming uniform stable layer.
Little is known about stability of hormones in blood samples stored under various conditions. This study was conducted to examine stability of triiodothyronine (T3), thyroxine (T4), luteinizing hormone (LH), prolactin, insulin, cortisol and progesterone in blood and serum samples. Experiment 1 was designed to determine if concentrations of these hormones were affected by exposure to cellular el...
Thermal runaway is a phenomenon that occurs due to self-sustaining reactions within batteries at elevated temperatures resulting in catastrophic failure. Here, the thermal runaway process is studied for a Li-ion and Na-ion pouch cells of similar energy density (10.5 Wh, 12 Wh, respectively) using accelerating rate calorimetry (ARC). Both cells were constructed with a z-fold configuration, with ...
A novel nanocomposite polyvinyl alcohol precursor-based material dispersed with the web of carbon microfibers and carbon nanofibers is developed as lithium (Li)-ion electrolyte battery separator. The primary synthesis steps of the separator material consist of esterification of polyvinyl acetate to produce polyvinyl alcohol gel, ball-milling of the surfactant dispersed carbon micro-nanofibers, ...
Separator is a critical component of lithium–sulfur (Li–S) battery, and the property separator influences battery performance significantly. Cellulose-based emerging as promising alternative to traditional polyolefin used in Li–S battery. Although excellent various cellulose-based separators shown, comprehensive understanding advantageous features bacterial cellulose (BC)-based still lacking. I...
The thermal instability of polymer separators severely threatens the safety characteristics lithium-ion (Li-ion) batteries. Separators will melt, shrink, vaporize, and collapse under high temperatures, leading to internal short circuits runaway catastrophes cell. Therefore, amelioration battery challenges benefits from a fundamental understanding separator behaviors thermally abusive scenarios....
The recycling of polypropylene recovered from waste discarded by a composting plant was investigated. recovery involved sorting step carried out means an optical infrared separator and subsequent washing treatment. This method processing allowed us to obtain that only slightly contaminated other polymeric inorganic materials. As many tens tons could be every year in this plant, convenient the e...
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