Joalo ka mokhoa o moholo oa lisebelisoa tsa motlakase tse thehiloeng metsing, lihlahisoa tsa cmc li sebelisoa haholo ke baetsi ba betri le kantle ho naha. Palo e ntle ea binder e ka atsoa bokhoni ba battery e kholo, bophelo bo bolelele ba li-cyction le bohanyetsi bo tlase haholo.
Binder ke e 'ngoe ea lisebelisoa tse thusang tse sebetsang tse thusang libeteri tse thusang tsa Lithium-Ion. Ke mohloli oa mantlha oa thepa ea mochini eohle mme e na le phello ea bohlokoa molemong oa tlhahiso ea motlakase le ts'ebetso ea betri. Molori ka boeona ha a na matla ebile a lula mothating o monyane haholo betri.
Ntle le thepa e khantšitsoeng ea batho ba bangata E lula e tsitsitse har'a lithane tsa motlakase oa ho sebetsa, ka hona ha ho na lisebelisoa tse ngata tsa polasetiki tse ka sebelisoang e le lithunya tsa libete tsa motlakase bakeng sa libeteri tsa lithium-ion.
Ho na le mefuta e meraro ea lithium-ion e sebelisoang haholo hajoale: PolyvinyLene Fluoride (PvdF) emulsion & carboxethyl cellulose Ntle le moo, acid polyacryly (Paa), mamati a thetsang metsing a nang le polycernitrine le Polycrylate joalo ka likarolo tsa sehlooho hape li sebetsa 'musong o itseng hape linthong tse ling.
Litšobotsi tse 'ne tsa li-cmc tsa betri
Ka lebaka la slluudity ea metsi a futsanehileng ea acid ea celboxemethyl ho e sebelisa hantle, ho sebetsa hantle, cmc ke lisebelisoa tse sebelisoang haholo tlhahisong ea betri.
Joalo ka mokhoa o moholo oa lisebelisoa tsa motlakase tse thehiloeng metsing, lihlahisoa tsa cmc li sebelisoa haholo ke baetsi ba betri le kantle ho naha. Palo e ntle ea binder e ka atsoa bokhoni ba battery e kholo, bophelo bo bolelele ba li-cyction le bohanyetsi bo tlase haholo.
Litšobotsi tse 'ne tsa CMC ke:
Taba ea pele, CMC e ka etsa hore sehlahisoa se hydrophoni sa hydrophphilic le se qhibilihang, se qhibilihang ka metsing, ntle le likhohlano tsa mahala le litšila tsa mahala.
Taba ea bobeli, boemo ba ho nka karolo ke junifomo e lekanang le pono e tsitsitse, e ka fanang ka pono le ho ba le pono e tsitsitseng.
Taba ea boraro, hlahisa lihlahisoa tse phahameng tsa pokello ea bohlooho-lingata tse nang le litaba tse tlase tsa tšepe.
La bone, sehlahisoa se na le ho lumellana hantle le SBR Latex le lisebelisoa tse ling.
CMC Sodium CilboxxeMethyl Cellulose
Karolo ea CMC ka libeteri
CMC ke sesebelisoa sa ceboxymethylated of celboxxethyle se neng se hlophisoa ka celluulose ea tlhaho le li-asicar tse likete ho isa ho limilione.
CMC ke e tšoeu ho phofo ea mosehla, ntho e bosehla, e nang le li-hygroscopicpicpiccpiction e matla ebile e le bonolo metsing. Ha e sa nke lehlakore kapa alkaline, tharollo ke mokelikeli oa liketsahalo tse phahameng. Haeba e ntse e futhumetse kaholimo ho 80 ℃ nako e telele, viscoity e tla fokotseha ebile e tla ba ea thonya ka metsing. E lebisa sootho ha e futhumatsa ka 190-205 ° C, le ho khahlanyetsa ha e futhumatsoa ho 235-248 °
Hobane CMC e na le mesebetsi ea ho tetenya, ho phunya, ho boloka metsi ka tharollo ea li-ceramics, litlolo tse phahameng haholo, tse tsejoang ka hore ke li-conts tse ka bang 7% glutamate ".
Ka kotloloho betri, mesebetsi ea CMC ke: Ho phahamisa litlolo tse mpe tsa motlakase le moemeli ea sebetsang; litlamorao tse tona le tse thibelang litsitso tse mpe tsa motlakase; ho thusa ho tlama; ho tsitsisa ts'ebetso ea ts'ebetso ea elektrode le ho thusa ho ntlafatsa ts'ebetso ea betri; ho ntlafatsa matla a peel a polane ea pole, joalo-joalo
Ts'ebetso ea cmc le khetho
Ho eketsa CMC Ha ho etsa hore ho thellesela ho motlakase ho ka eketsa pono ea ho thella le ho thibela ho thella. CMC e tla bolaea li-Ions tsa li-sodium le li-anion tse telele, 'me pono ea glue e tla fokotseha ka keketseho ea mocheso, e leng ho bonolo ho amohela mongobo ebile e na le khanya e fosahetseng.
Cmc e ka bapala karolo e ntle haholo ho ba haheng graphion e fosahetseng. Ha palo ea CMC e ntse e eketseha, lihlahisoa tsa eona tsa ho bola li tla latela likaroloana tsa kha-pele, 'me likaroloana tse khabisitsoeng li tla lelekisa matla a motlakase, a finyeletsa ho sa senyehe hantle.
Bothata bo totobetseng ba cmc ke hore ke brittle. Haeba cmc kaofela e sebelisoa e le chelete e ngata, elektrode e fosahetseng e tla oa nakong ea ha ho hatellang le ho cheka tahlehelo ea phofo e matla. Ka nako e ts'oanang, cmc e angoa haholo ke karo-leseling ea lisebelisoa tsa motlakase le boleng ba ph, le leqephe la ph, le ka baka ho tjhaja le ho senya polokeho ea betri.
Pele, tlamo e sebelisetsoang ho hlohlelletsa motlakase e ne e le pvdf le batho ba bang ba thetsang ea oli, empa ho nahana ka tšireletso ea tikoloho le mabaka a mang, e fetohile boholo ba li-elektrone tse fosahetseng.
Binder e phethahetseng ha e eo, leka ho khetha molumo o kopanang le ts'ebetso ea 'mele le litlhoko tsa motlakase. Ka nts'etsopele ea theknoloji ea betri ea lithium, hammoho le litaba tsa ts'ireletso le tšireletso ea tsona, qetellong li-branti tsa metsi li tla nkela makala a holofetseng.
Cmc lits'ebetso tse kholo tse kholo tsa lihlahisoa
Ho latela mecha ea litaba e fapaneng, tlhahiso ea indasteri ea cmc e ka aroloa ka mekhahlelo e 'meli: mokhoa o thehiloeng ho metsi le mokhoa o thehiloeng ho metsi. Mokhoa o sebedisa metsi ha Remix e sa sebetse e bitsoa mokhoa o mahareng, o sebelisetsoang ho hlahisa alkaline bohareng le bo tlase cmc. Mokhoa oa ho sebelisa borikhoe ba manyolo ha bo-ralimba bo bitsoang mokhoa oa botsitso o bitsoang Software ea Solvent, e loketseng tlhahiso ea CMC e mahareng le e phahameng. Boitšoaro bona bo 'meli bo etsoa ka mongolo o mong, o leng oa ho qala ho hohola' me hajoale e le mokhoa o ka sehloohong oa ho hlahisa cmc.
Mokhoa oa mahareng oa metsi: Ts'ebetso ea Tlhahiso ea pejana ea Liindasteri Monyetla oa mokhoa o mahareng oa metsi ke hore Litlhoko tsa lisebelisoa li bonolo ebile litšenyehelo li tlase; Bothata ke hore ka lebaka la khaello ea metsi a mangata, mocheso o hlahisoang ke karabelo, o potlakisa lebelo la karabelo ea lehlakore le boleng bo bobe ba sehlahisoa.
Mokhoa oa solvent; Hape e tsejoang e le mokhoa oa boqapi o boima, e arotsoe hore e be mokhoa oa ho khumama le mokhoa oa ho sesa ho latela palo ea maikutlo. Karolo ea eona ea sehlooho ke hore litlhahiso tsa alkalization le litšupiso li etsoa tlasa maemo a boqapi joalo ka ha li-softimation (litlolo) tsa. Joalo ka ts'ebetso ea mokhoa oa metsi, mokhoa oa solvent o boetse o na le mekhahlelo e 'meli ea holkalization le phaello ea mekhahlelo e' meli e fapaneng. Monyetla oa mokhoa oa ho quad ona o siea lits'ebetso tsa Alkali ho hana, ho hatella, ho sithabela le ho sithabela le alkalization 'me kaofela li etsoa ka ho bina. Bothata ke hore ho nahanisise ka mokhoa oa thempeleng ke mafutsana, 'me litlhoko tsa sebaka ha li futsanehile. , litšenyehelo tse phahameng.
Poso: Feb-14-2025