Ntlha ea pele, molao-motheo oa ho kopanya
Ka ho hlohlelletsa mahare le foreimi e potolohang ho potoloha, ho emisoa ha mechini hoa hlahisoa le ho hlokomeloa, 'me phetisetso ea boima pakeng tsa mokelikeli le mekhahlelo e tiileng ea ntlafatsoa. Ho sisinyeha ha mokelikeli o tiileng hangata ho aroloa ka likarolo tse latelang: (1) ho emisoa ha likaroloana tse tiileng; (2) ho emisoa hape ha likaroloana tse tsitsitseng; (3) ho kenella ha likaroloana tse emisitsoeng ka har'a mokelikeli; (4) tšebeliso pakeng tsa likaroloana le pakeng tsa likaroloana le li-paddle Matla a etsa hore likaroloana tse kopaneng li hasane kapa li laole boholo ba likaroloana; (5) phetisetso ea boima pakeng tsa mokelikeli le se tiileng.
Ea bobeli, phello e susumetsang
Mokhoa oa ho kopanya metsoako o kopanya likarolo tse fapaneng tsa seretse hammoho ka tekanyo e tloaelehileng ho lokisa seretse ho nolofatsa ho koahela ka mokhoa o ts'oanang le ho netefatsa hore likotoana tsa palo lia tsitsa. Metsoako ka kakaretso e kenyelletsa lits'ebetso tse hlano, e leng: kalafo ea pele ho nako, ho kopanya, ho kolobisa, ho hasanya le ho phaphamala ha thepa e tala.
Ea boraro, liparamente tsa slurry
1, ho teteana:
Ho hanyetsa ha mokelikeli ho phallo ho hlalosoa e le bongata ba khatello ea shear e hlokahalang ka sefofane sa 25 px 2 ha mokelikeli o phalla ka lebelo la 25 px/s, le bitsoang kinematic viscosity, ho Pa.s.
Ho thibana ha metsi ke thepa ea maro. Ha mokelikeli o phalla ka har'a phaephe, ho na le maemo a mararo a phallo ea laminar, phallo ea phetoho, le phallo e ferekantsoeng. Maemo ana a mararo a phallo le 'ona a teng lisebelisoa tsa ho hlohlelletsa, 'me e 'ngoe ea liparamente tse ka sehloohong tse khethollang maemo ana ke ho thibana ha mokelikeli.
Nakong ea ts'ebetso ea ho hlohlelletsa, ka kakaretso ho nahanoa hore viscosity e ka tlase ho 5 Pa.s ke mokelikeli o nang le viscosity e tlase, joalo ka: metsi, oli ea castor, tsoekere, jeme, mahe a linotši, oli e tlotsang, emulsion e nang le viscosity e tlase, jj.; 5-50 Pas ke mokelikeli o nang le viscosity e mahareng. Mohlala: enke, sesepa sa meno, jj.; 50-500 Pas ke maro a viscosity e phahameng, joalo ka chewing gum, plastisol, mafura a tiileng, jj.; Pas tse fetang 500 ke maro a viscosity e phahameng haholo joalo ka: metsoako ea rabara, polasetiki e qhibilihang, Silicon ea tlhaho le tse ling.
2, boholo ba dikarolwana D50:
Boholo ba boholo ba likaroloana ke 50% ka bophahamo ba likaroloana tse ka har'a seretse
3, dikahare tse tiileng:
Peresente ea lintho tse tiileng ka har'a seretse, karolelano ea khopolo-taba ea litaba tse tiileng e ka tlase ho feta litaba tse tiileng tsa thepa e rometsoeng.
Ea bone, tekanyo ea liphello tse tsoakiloeng
Mokhoa oa ho lemoha ho tšoana ha ho kopanya le ho kopanya sistimi ea ho emisa e tiileng le metsi:
1, tekanyo e tobileng
1) Mokhoa oa ho teteana: ho nka sampole ho tsoa libakeng tse fapaneng tsa sistimi, ho lekanya ho teteana ha seretse ka viscometer; ha ho kheloha ho le honyenyane, ho kopanya ho tšoana haholoanyane;
2) Mokhoa oa likaroloana:
A, ho nka disampole ho tsoa maemong a fapaneng a sistimi, ho sebediswa sekere sa boholo ba dikarolwana ho bona boholo ba dikarolwana tsa lerōle; ha boholo ba dikarolwana bo le haufi le boholo ba phofo ya thepa e tala, ho kopanya ho tshwana haholo;
B, ho nka disampole ho tsoa maemong a fapaneng a sistimi, ho sebediswa teko ya boholo ba dikarolwana tsa laser diffraction ho bona boholo ba dikarolwana tsa lerōle; ha kabo ya boholo ba dikarolwana e le e tlwaelehileng, dikarolwana tse kgolo di le nyane, ho kopanya ho tla tshwana haholo;
3) Mokhoa o ikhethileng oa matla a khoheli: ho nka sampole ho tsoa libakeng tse fapaneng tsa sistimi, ho lekanya boima ba seretse, ho kheloha ho honyenyane, ho kopanya ho tšoana haholoanyane.
2. Tekanyo e sa tobang
1) Mokhoa oa dikahare tse tiileng (macroscopic): Ho disampole ho tloha maemong a fapaneng a sistimi, kamora mocheso o loketseng le nako ya ho baka, ho lekanya boima ba karolo e tiileng, ha ho fapoha ho le honyenyane, ho kopanya ho lekana haholoanyane;
2) SEM/EPMA (microscopic): sampole ho tsoa maemong a fapaneng a sistimi, e sebelise ho substrate, e omelle, 'me u shebe likaroloana kapa likarolo tse ka har'a filimi kamora ho omisa slurry ka SEM (electron microscope) / EPMA (electron probe) Kabo; (li-solids tsa sistimi hangata ke thepa ea conductor)
Tse hlano, mokhoa oa ho hlohlelletsa anode
Khabone e ntšo e tsamaisang motlakase: E sebelisoa e le sesebelisoa se tsamaisang motlakase. Mosebetsi: Ho hokahanya likaroloana tse kholo tsa thepa e sebetsang ho etsa hore tsamaiso ea motlakase e be ntle.
Latex ea Copolymer — SBR (rabara ea styrene butadiene): e sebelisoa e le sehokelo. Lebitso la lik'hemik'hale: Styrene-Butadiene copolymer latex (polystyrene butadiene latex), latex e qhibilihang ka metsing, e nang le dikahare tse tiileng 48~50%, PH 4~7, ntlha ea ho hoama -5~0 °C, ntlha ea ho belisa e ka bang 100 °C, mocheso oa polokelo 5~ 35 ° C. SBR ke karohano ea polymer ea anionic e nang le botsitso bo botle ba mechini le ts'ebetso, 'me e na le matla a holimo a tlamo.
Sodium carboxymethyl cellulose (CMC) – (carboxymethyl cellulose sodium): e sebelisoa e le sethibela-mafu le sehatsetsi. Ponahalo ke phofo ea floc fiber e tšoeu kapa e mosehla kapa phofo e tšoeu, ha e na monko, ha e na tatso, ha e na chefo; e qhibiliha ka metsing a batang kapa metsing a chesang, e etsa gel, tharollo ha e nke lehlakore kapa e na le alkaline hanyane, ha e qhibilihe ka har'a ethanol, ether, Tharollo ea tlhaho e kang isopropyl alcohol kapa acetone e qhibiliha ka har'a tharollo ea metsi ea 60% ea ethanol kapa acetone. E hygroscopic, e tsitsitse khanyeng le mochesong, viscosity ea fokotseha ka mocheso o ntseng o eketseha, tharollo e tsitsitse ho pH 2 ho isa ho 10, PH e tlase ho 2, lintho tse tiileng lia potlaka, 'me pH e phahame ho feta 10. Mocheso oa phetoho ea 'mala e ne e le 227 ° C, mocheso oa carbonization e ne e le 252 ° C, 'me khatello ea bokaholimo ba tharollo ea metsi ea 2% e ne e le 71 nm/n.
Ts'ebetso ea ho hlohlelletsa le ho roala anode ke e latelang:
Botšelela, mokhoa oa ho hlohlelletsa cathode
Khabone e ntšo e tsamaisang motlakase: E sebelisoa e le sesebelisoa se tsamaisang motlakase. Mosebetsi: Ho hokahanya likaroloana tse kholo tsa thepa e sebetsang ho etsa hore tsamaiso ea motlakase e be ntle.
NMP (N-methylpyrrolidone): e sebelisoa e le tharollo e hlohlelletsang. Lebitso la lik'hemik'hale: N-Methyl-2-polyrrolidone, formula ea limolek'hule: C5H9NO. N-methylpyrrolidone ke mokelikeli o nkhang hampe oa ammonia o kopantsoeng le metsi ka tekanyo efe kapa efe 'me o batla o kopantsoe ka botlalo le metsoako eohle (ethanol, acetaldehyde, ketone, aromatic hydrocarbon, jj.). Ntlha ea ho belisa ea 204 ° C, ntlha ea flash ea 95 ° C. NMP ke tharollo ea polar aprotic e nang le chefo e tlase, ntlha e phahameng ea ho belisa, ho qhibiliha ho babatsehang, khetho le botsitso. E sebelisoa haholo ho ntšoeng ha aromatics; tlhoekiso ea acetylene, olefins, diolefins. Solvent e sebelisetsoang polymer le medium bakeng sa polymerization hajoale e sebelisoa k'hamphaning ea rona bakeng sa NMP-002-02, ka bohloeki ba >99.8%, matla a khoheli a itseng a 1.025 ~ 1.040, le metsi a <0.005% (500ppm).
PVDF (polyvinylidene fluoride): e sebelisoa e le setenya le se kopanyang. Polymer e tšoeu e kang phofo e nang le botenya ba 1.75 ho isa ho 1.78. E na le khanyetso e ntle haholo ea UV le khanyetso ea ho fetoha ha mocheso, 'me filimi ea eona ha e thata ebile ha e petsohe ka mor'a ho beoa kantle ka lilemo tse leshome kapa tse peli. Litšobotsi tsa dielectric tsa polyvinylidene fluoride li ikhetha, constant ea dielectric e phahame ho fihlela ho 6-8 (MHz ~ 60Hz), 'me tangent ea tahlehelo ea dielectric le eona e kholo, e ka bang 0.02 ~ 0.2, 'me khanyetso ea bophahamo e tlase hanyane, e leng 2 × 1014ΩNaN. Mocheso oa eona oa tšebeliso ea nako e telele ke -40 ° C ~ +150 ° C, mofuteng ona oa mocheso, polymer e na le litšobotsi tse ntle tsa mechini. E na le mocheso oa phetoho ea khalase oa -39 ° C, mocheso oa ho qhibiliha oa -62 ° C kapa ka tlase, ntlha ea ho qhibiliha ha kristale ea hoo e ka bang 170 ° C, le mocheso oa ho bola ha mocheso oa 316 ° C kapa ho feta.
Mokhoa oa ho hlohlelletsa le ho roala cathode:
7. Litšobotsi tsa ho teteana ha lerōle
1. Kobeho ea viscosity ea slurry ka nako ea ho hlohlelletsa
Ha nako ea ho hlohlelletsa e ntse e atolosoa, viscosity ea slurry e atisa ho ba boleng bo tsitsitseng ntle le ho fetoha (ho ka thoe slurry e hasantsoe ka ho lekana).
2. Kobeho ea viscosity ea lerōle le mocheso
Ha mocheso o phahame, viscosity ea slurry e theoha, 'me viscosity e atisa ho ba le boleng bo tsitsitseng ha e fihla mochesong o itseng.
3. Kobeho ea dikahare tse tiileng tsa seretse sa tanka ya phetisetso ha nako e ntse e ya
Kamora hore seretse se hlohlelletsoe, se huleloa ka phaephe ho ea tanka ea phetisetso bakeng sa ho koahela ka Coater. Tanka ea phetisetso e hlohlelletsoa ho potoloha: 25Hz (740RPM), phetoho: 35Hz (35RPM) ho netefatsa hore liparamente tsa seretse li tsitsitse 'me li ke ke tsa fetoha, ho kenyeletsoa le pulp. Mocheso oa thepa, viscosity le litaba tse tiileng ho netefatsa hore seretse se hlohlelletsoang se tšoana.
4, ho teteana ha seretse se nang le mothinya oa nako
Nako ea poso: Mphalane-28-2019