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CONDUCTIVE CARBON LAYERS ON POWDERED SUPPORTS

标题: Process for the preparation of conductive carbon layers on powdered supports

总结: A process for the preparation of carbon layers on powdered supports comprising dissolving a hydrophilic polymer (PH) at the level of 85 do 99.9% by weight in water, adding pyromellitic acid (PMA) or pyromellitic dianhydride (PMDA) at the level of 0.1-15% by weight, then introducing to the mixture the powdered support at a level of 1-99% by weight. The suspension is concentrated and dried, and the composite precursor formed is subjected to a pyrolysis process at 300-1500 DEG C.

技术应用: Lithium-ion (Li-Ion) batteries are devices for collecting and transmitting electricity with the highest energy storage capacity per weight and volume.Commonly they are used in cell phones, digital cameras and notebooks, but also in the measuring apparatus, electro-tools, telemetry systems, satellite communications, or in a hybrid-powered (HEV) and electric cars (EV). Battery negative electrode is made of porous carbon or graphite while positive electrode of transition metal oxides (cobalt,

附加资料: Inventor: MOLENDA, Marcin | DZIEMBAJ, Roman | KOCHANOWSKI, Andrzej | BORTEL, Edgar | DROZDEK, Marek | PIWOWARSKA, Zofia
Priority Number: WO2010021557A3
IPC Current: C23C001812
Assignee Applicant: Uniwersytet Jagiellonski
Title: PROCESS FOR THE PREPARATION OF CONDUCTIVE CARBON LAYERS ON POWDERED SUPPORTS | PROCÉDÉ DE PRÉPARATION DE COUCHES DE CARBONE CONDUCTRICES SUR DES SUPPORTS EN POUDRE
Usefulness: PROCESS FOR THE PREPARATION OF CONDUCTIVE CARBON LAYERS ON POWDERED SUPPORTS | PROCÉDÉ DE PRÉPARATION DE COUCHES DE CARBONE CONDUCTRICES SUR DES SUPPORTS EN POUDRE
Summary: Preparation of carbon layer used for electrode layers in lithium battery, and composite adsorbents.
Novelty: Preparation of carbon layer used for electrode layers in lithium battery, involves mixing pyromellitic acid or pyromellitic dianhydride to aqueous hydrophilic polymer, mixing powdered support, concentrating, drying and pyrolyzing

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