China yakanakisa Fluoroethylene carbonate/FEC CAS:114435-02-8

China yakanakisisa Fluoroethylene carbonate/FEC CAS:114435-02-8 Featured Image

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Fluoroethylene carbonate (FEC) is organic compound iyo inonyanya kushandiswa se electrolyte additive ye lithium-ion mabhatiri.Ethylene carbonate yakabva kuvinyl fluoride yakaunzwa.Iyo nzira inoburitsa yakasarudzika komisheni ine zvinoshamisa zvimiro izvo zvinogona kuvandudza zvakanyanya mashandiro uye hupenyu hwemabhatiri anochajwa.Iyo FEC chinhu chakakosha kudzikamisa chimiro pakati peLi simbi anode uye electrolyte, zvinotungamira kune yakachengeteka uye inoshanda zvakanyanya kushanda.

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Fluoroethylene carbonate ine zvakawanda zvakanaka pamusoro pezvakajairwa electrolyte additives.Kutanga, inoumba danda rekudzivirira rakatetepa, rinozivikanwawo seyakasimba electrolyte interface (SEI), pamusoro pe lithium metal surface.Iyi SEI layer inogona kudzivirira kusangana kwakananga pakati pelithium electrode uye electrolyte, zvinobudirira kuderedza njodzi yeakaipa mativi maitiro uye kuve nechokwadi chenguva refu yebhatiri.

Uye zvakare, FEC inobatsira kuvandudza iyo yakazara electrochemical kugadzikana kwebhatiri.Yayo yakanakisa kemikari zvimiro inogonesa kuumbwa kweiyo yakagadzikana uye yakasimba SEI layer, nekudaro ichidzikisa kuderedzwa kwe lithium electrodes panguva yekuchaja uye yekuburitsa mitsetse.Nekuda kweizvozvo, mabhatiri anogona kushingirira kukwirisa ma voltages uye kuratidza kukwidziridzwa kwekuita bhasikoro, zvichitungamira mukusimudzirwa kwekuchengetedza simba uye hupenyu hurefu hwebhatiri.

Mukuwedzera, kuwedzerwa kwe fluoroethylene carbonate kune electrolyte kuumbwa kunogona kuvandudza zvakanyanya kuchengetedzwa kwemabhatiri e-lithium-ion.Nekugadzirisa iyo electrolyte-electrode interface, inodzvanya kuumbwa kwemadendrites, ari masingano-akafanana neaya anogona kutungamira mukati mapfupi maseketi uye anogona kutungamira mukupisa kwekupisa.Izvi zvinoita kuti mabhatiri awedzere kuvimbika uye kuderedza njodzi yezviitiko zvine njodzi, kuve nechokwadi cherunyararo rwepfungwa kune vanogadzira uye vashandisi vekupedzisira.

Muchidimbu, yedu inovandudza chemistry, fluoroethylene carbonate (CAS: 114435-02-8), mutambo unoshandura Li-ion bhatiri yekuwedzera.Nekugona kwayo kudzikamisa iyo electrolyte-electrode interface, kuvandudza electrochemical kugadzikana, uye kuwedzera kuchengetedzeka kwebhatiri, ine chokwadi chekugadzirisa ramangwana rekuchengetedza simba tekinoroji.Tine chivimbo chekuti komboni iyi yakasarudzika ichasangana nekupfuura zvinotarisirwa neindasitiri, uye isu tinotarisira kushanda newe kugadzira remangwana resimba rakagadzikana uye rinoshanda.

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