Bahlahisi ba lik'hemik'hale ba laola ka tieo meeli ea ho se hloeke ho Lisebelisoa tse Tala tsa Battery Lithium Acetate Phofo / Lithium Acetate Anhydrous ba sebelisa synthesis e nepahetseng, recrystallization ea mekhahlelo e mengata, le ho sefa ho tsoetseng pele ha ion-exchange. Litekanyetso tse tiileng tsa boleng li thibela likarabelo tse ka thoko tsa likokoana-hloko, ho bola ha electrolyte, le lipotoloho tse khutšoane tse nyane lits'ebetsong tsa polokelo ea matla.
| Paramethara | Tlhaloso ea Sepheo |
|---|---|
| Bohloeki ba Lik'hemik'hale | > 99.9% |
| Mongobo o teng | < 0.1% (E se nang metsi) |
| Litšepe tsa Phetoho ea Magnetic | ≤ 10 ppm e kopantsoe |
| Litšepe tsa Alkali | ≤ 20 ppm e kopantsoe |
Lintlha tsa Bohlokoa
- Ho hlwekisa ka mekhahlelo e mengata ho tswetseng pele ho tlosa ditshila tse kotsi tsa tshepe le mongobo ho fihlella bohloeki ba dikhemikhale ba 99.9%.
- Liteko tse tiileng tsa boleng tse kang ICP-MS lia netefatsathepa ea betrithibela lipotoloho tse kgutshwane le tshenyo ya sebopeho.
- Ho paka khase e sa keneng moya ho thibela ho monngoa ha mongobo mme ho boloka boleng ba thepa nakong ea polokelo.
Litlamorao tsa Elektrochemical tsa Litšila ka har'a Lisebelisoa tse Tala tsa Betri Phofo ea Lithium Acetate / Lithium Acetate Anhydrous
Lisebelisoa tsa polokelo ea matla tse sebetsang hantle li hloka bohloeki bo ikhethang ba lik'hemik'hale linthong tse kenang pele ho moo. Litšila tse sa laoleheng ho Lisebelisoa tse Tala tsa Betri Phofo ea Lithium Acetate / Lithium Acetate Anhydrous e sitisa tekano ea lik'hemik'hale le ho khutsufatsa nako ea bophelo ba betri.
Tlhahiso ea Litšepe tse Boima le Dendrite
Litšepe tse boima tse latelwang tse kang tšepe, nickel, chromium le koporo li beha likotsi tse kholo polokehong ea sele. Likaroloana tsena tsa tšepe lia qhibiliha ka har'a electrolyte e metsi nakong ea lipotoloho tsa pele tsa chaja. Li-ion tse qhibilihisitsoeng li fallela holim'a anode 'me li fokotseha ho ba lipotoloho tse tiileng tsa tšepe. Ka lipotoloho tse pheta-phetoang, lipotoloho tsena tse nyane li potlakisa kholo ea lithium dendrite. Li-dendrite tse bohale qetellong li phunya lera la karohano, li baka lipotoloho tse nyane tse khutšoane tsa ka hare le ho baleha ha mocheso.
Mongobo le ho senyeha ha Electrolyte
Mongobo o feteletseng o tikolohong ka har'a Lisebelisoa tse Tala tsa Betri Phofo ea Lithium Acetate / Lithium Acetate Anhydrous e baka ho bola ha electrolyte ka potlako. Anhydrous lithium acetate e monya mongobo o tikolohong habonolo ka lebaka la tlhaho ea eona e boreleli. Metsi a arabela le letsoai la electrolyte le thehiloeng ho fluorine joalo ka hexafluorophosphate ho hlahisa hydrofluoric acid e senyang. Hydrofluoric acid e qhala cathode thepa e sebetsang mme e senya likarolo tsa betri tse ka hare, e leng se potlakisang ho fela ha bokhoni.
Tšilafalo ea Tšepe ea Alkali le Ho se Tsitse ha Motlakase
Litšepe tsa alkali tse tsoang linaheng tse ling tse kang sodium le potasiamo li sitisa meaho ea electrode ea moamoheli. Li-cation tsena tse qothisanang lehlokoa li na le mahlaseli a maholo a ionic ho feta li-ion tsa lithium. Nakong ea ho kopana, li-ion tsa sodium le potasiamo li lula libakeng tse sebetsang tsa moamoheli ka har'a lattice ea kristale. Ho falla hona ha sebopeho ho sotha litsela tsa lielektrone, ho phahamisa impedance ea kahare, le ho baka ho se tsitse ha motlakase o sebetsang ka tšohanyetso. Ho felisa litšila tsa alkali ho netefatsa ts'ebetso e tsitsitseng ea lik'hemik'hale tsa electrochemical lits'ebetsong tse hlokang polokelo ea matla.
Maano a ho Hloekisa le a ho Kopanya Mehato e Mengata
Bahlahisi ba lik'hemik'hale ba fumana bohloeki ba boleng ba betri ka mekhoa e tiileng ea ho kopanya le liphaephe tse tsoetseng pele tsa tlhoekiso. Lintho tse kenngoang lik'hemik'hale tse tala li tlameha ho feta mehatong e nepahetseng ea ho hloekisa ho thibela tšilafalo sehlahisoa sa ho qetela.
Khetho ea Pele ho Kalafo le ea Pele ho Sesebediswa sa ho Sebetsa
Ho kopanngoa ha lik'hemik'hale tse hloekileng haholo ho qala ka kalafo e matla ea pele ho thepa e tala. Bahlahisi ba arabela lithium carbonate ea boemo bo holimo kapa lithium hydroxide ka asiti e hloekileng ea glacial ho hlahisa litharollo tsa lithium acetate. Litšenyehelo tse hloekileng haholo li fokotsa litšila tsa motheo ho tloha qalong ea karabelo ea lik'hemik'hale.
- 1Bafepedi ba lik'hemik'hale ba leka lihlopha tsohle tsa thepa e tala ba sebelisa tlhahlobo ea spectroscopic ho netefatsa bohloeki ba motheo.
- 2Litsebi li sefa li-reagent tsa metsi ka har'a lera la polypropylene ea sub-micron ho tšoasa lintho tse sa qhibiliheng.
- 3Basebetsi ba lik'hemik'hale ba fetola mocheso oa karabelo le stoichiometry ho thibela masala a asiti e sa arajoang.
Mokhahlelo ona o tiileng oa ho sefa oa pele o netefatsa boleng bo botle ba motheo bakeng sa Lisebelisoa tse Tala tsa Battery Lithium Acetate Phofo / Lithium Acetate Anhydrous pele tlhoekiso ea mekhahlelo e mengata e qala.
Liprothokhole tsa ho Nchafatsa Lintho tse Laoloang
Ho tsosolosoa ha likristale tsa mekhahlelo e mengata ho arola likristale tsa lithium acetate tse shebiloeng ho litšila tse qhibilihang tsa alkali le halide. Li-solut li bontša liprofaele tse fapaneng tsa ho qhibiliha maemong a fapaneng a mocheso. Baenjiniere ba lik'hemik'hale ba sebelisa liphapang tsena tsa 'mele ho hloekisa litšila tse kang li-ion tsa sodium, potassium le chloride.
Ts'ebetso ea ho etsa recrystallization e latela tatellano ea ts'ebetso ea mocheso:
- 1Basebetsi ba qhala lithium acetate e tala ka metsing a hloekileng a hloekisitsoeng kapa a nang le alcohol dithempereichara tse phahameng.
- 2Sistimi e sefa tharollo ea mokelikeli o chesang ho tlosa lintho tse tiileng tse tšesaane tse leketlileng.
- 3Litaolo tse iketsang li theola mocheso oa tharollo ka sekhahla se tsitsitseng sa ho pholisa ho qala nucleation ea kristale e laoloang.
- 4Li-centrifuge tse lebelo le phahameng li arola likristale tse hloekisitsoeng ho tsoa ho joala ba 'm'e bo nang le litšila tse matla tsa alkali.
- 5Setlolo se hloekileng haholo se hlatswa kuku e tiileng ea kristale ho hlatsoa litšila tse setseng holim'a metsi.
Mekhahlelo e pheta-phetoang ea ho tsosolosa likristale e phahamisa bohloeki ba metsoako ka kakaretso kaholimo ho 99.9%.
Mekhoa ea ho Filtration ea Chelation le Ion-Exchange
Ho tsosolosoa ha tšepe feela ho ke ke ha felisa ka ho feletseng litšepe tsa phetoho ea trace tse bonahatsang boitšoaro ba lithium. Libaka tse tsoetseng pele tsa tlhahiso li sebelisa likholomo tse khethehileng tsa chelation le ion-exchange resin ho fihlela meeli ea tšepe e tlase haholo. Li-chelation agents li tlama ka ho khetheha ka li-cation tsa tšepe e boima tse nang le li-valent tse ngata tse kang tšepe, chromium, nickel le koporo.
Melapo ea lik'hemik'hale e feta libetheng tse pakiloeng tsa li-resin tse khethiloeng tsa phapanyetsano ea li-ion. Li-resin tsena tsa polymeric li na le lihlopha tse ikhethang tse sebetsang tse tšoarang litšila tsa tšepe tse setseng ha li ntse li lumella li-ion tsa lithium ho feta ka bolokolohi. Bahlahisi ba ka sehloohong ba lik'hemik'hale ba rataZoranSebelisa mohato ona o tsoetseng pele oa ho sefa ho tlisa mahloriso a kopaneng a tšepe ea phetoho ka tlase ho 10 ppm.
Tlhoekiso e sebetsang ea phapanyetsano ea ion e tiisa hore Lisebelisoa tse Tala tsa Battery Lithium Acetate Phofo / Lithium Acetate Anhydrous e fihlela liparamente tse tiileng tsa ts'ebetso ea lik'hemik'hale tse hlokoang ke bahlahisi ba tsoetseng pele ba lisele. Lisebelisoa tsa tlhokomelo tse tsoelang pele li netefatsa maemo a bohloeki kamora ho sefa ho netefatsa ho tlosoa ka botlalo ha litšila.
Melaoana ea Netefatso ea Tlhahlobo le Taolo ea Boleng
Lilaboratori tsa taolo ea boleng li leka sehlopha se seng le se seng sa letsoai le hloekisitsoeng khahlanong le litekanyetso tse tiileng tsa indasteri tse tsoang ho ASTM International le International Electrotechnical Commission (IEC). Bahlahlobisisi ba kopanya mekhoa e mengata ea liteko ho netefatsa litlhaloso tsa mantlha tsa lik'hemik'hale pele ba etsa likarolo tsa betri.
| Mokhoa oa Tlhahlobo | Mosebetsi oa QC oa mantlha |
|---|---|
| ICP-MS | Litekanyo li latela likarolo tsa tšepe ho fihlela maemong a likarolo ka limilione tse likete |
| Karl Fischer Titration | E lekanya mongobo o nepahetseng ka letsoai le nang le hygroscopic |
| Kromatography ea Ion | E lemoha litšila tse senyang tsa anionic tse kang li-chloride le li-sulfate |
ICP-MS bakeng sa Tlhahlobo ea Tšepe e Latetseng
Inductively Coupled Plasma Mass Spectrometry (ICP-MS) e lemoha litšila tsa tšepe maemong a likarolo ka limilione tse likete. Litsebi tsa laboratori li qoba lisebelisoa tsa khalase nakong ea ho lokisa sampole hobane khalase e ntša li-ion tsa sodium, potassium le calcium ka har'a litharollo. Ho e-na le hoo, bahlahlobi ba sebetsana le lisampole ba sebelisa li-reagent tsa MS-grade ka har'a labware ea polasetiki ea polyethylene e nang le tekanyo e tlase (LDPE). Mokhoa ona o tiileng oa ho sebetsana le oona o felisa ho thehoa ha sodium adduct mme o boloka qeto e phahameng ea spectral nakong ea tlhahlobo ea trace elemental.
Karl Fischer Titration bakeng sa ho Fumana Mongobo
Litsebi li sebelisa Karl Fischer potentiometric titration ho lekanya botebo ba metsi bo nepahetseng ka har'a Lisebelisoa tse Tala tsa Battery Lithium Acetate Phofo / Lithium Acetate Anhydrous. Titrator e iketsang e qhala sampole ka har'a matrix e khethehileng ea solvent 'me e lekanya limolek'hule tsa metsi. Lihlopha tsa taolo ea boleng li tiisa moeli o tiileng oa mongobo o ka tlase ho 0.1% bakeng sa limaraka tsa lik'hemik'hale tse anhydrous.
Chromatography ea Ion bakeng sa Litšila tsa Anionic
Chromatography ea li-ion e arola le ho lekanya litšila tsa anionic tse kang li-chloride le li-sulfate. Li-ion tsena tse seng tsa tšepe li baka ts'enyeho e koalehileng ea likoti tse bokellang motlakase oa tšepe ka har'a lisele tsa lithium tse koetsoeng. Likholomo tsa chromatographic tse nang le qeto e phahameng li arola li-anion tse reretsoeng kapele, li netefatsa botsitso bo phahameng ba lik'hemik'hale lits'ebetsong tse hlokang matla a ho boloka.
Thibelo ea Tšilafalo ho Paketeng le Polokelong
Ho boloka bohloeki ba lik'hemik'hale ho hloka taolo e tiileng ea sepakapaka kamora ho kopanngoa. Mehato ea ho qetela ea ho sebetsana le letsoai e sireletsa letsoai le hloekisitsoeng ho tsoa tšilafalong e potolohileng pele ho kopano ea sele.
Taolo ea Mongobo Bakeng sa Letsoai le sa Fetoheng ka Metsi le Metsi
Lithium Acetate Anhydrous e na le deliquescence e phahameng mme e monya mongobo kapele moeeng o mongobo. Ho pepesehela moea ho senya letsoai le omileng mme ho phahamisa maemo a mongobo kaholimo ho moeli o reriloeng oa <0.1%. Mesebetsi ea ho paka e tlameha ho etsahala ka hare ho likamore tse omileng tse laoloang ke boemo ba leholimo kapa mabokose a liatlana a koetsoeng. Ho boloka maemo a mongobo a lekanyelitsoeng ka tlase ho 1% ka hare ho libaka tsa ts'ebetso ho thibela ho bokellana ha letsoai le ho emisa liketso tsa hydrolysis.
Sephutheloana se Sireletsang se Tiisitsoeng le Tsamaiso ea Sepakapaka se sa Keneleng
Bahlahisi ba lik'hemik'hale ba kenya tšebetsong mekhoa e khethehileng ea ho sebetsana le lintho ho sireletsa thepa ea boleng ba betri moeeng o potolohileng le mongobo nakong ea lipalangoang. Zoran e sebelisa mekhoa e nepahetseng ea ho paka lintho moeeng o sa sebetseng ho boloka botsitso ba thepa:
- Litsebi li sebetsana le tharollo ea lik'hemik'hale ka har'a libaka tse tletseng likhase tse sa sebetseng joalo ka naetrojene kapa argon ho thibela oxidation ea pele nakong ea tlhahiso.
- Mekhoa ea ho paka e hloekisa le ho tlatsa lijana tsa ho qetela ka khase e sa sebetseng pele e koaloa ho theha tikoloho e sireletsang ea kahare.
- Meralo ea lijana e kenyelletsa li-liner tse thibelang mongobo tse nang le bongata bo phahameng ho thibela mongobo o tsoang kantle.
- Basebelisi ba kopanya disebediswa tse ikgethang tsa ho tlosa oksijene ka hara dikarolo tsa bobedi tsa ho paka ho monya oksijene e setseng.
Lihlopha tsa ho paka li romela lihlahisoa tse reriloeng tse kang Zoran Lithium Acetate Anhydrous ka mekotleng e tiileng e lohiloeng ka polasetiki ea 25kg kapa meropa ea pampiri e lohiloeng ka polasetiki ea 25kg. Lijana tsena tse koetsoeng tse koetsoeng li tiisa botsitso bo tšepahalang ba lishelefong 'me li boloka meeli ea mongobo o tlase haholo litseleng tse telele tsa lipalangoang tsa thepa.
Taolo e tiileng ea moeli oa ho se hloeke ho Lisebelisoa tse Tala tsa Betri Phofo ea Lithium Acetate / Lithium Acetate Anhydrous e itšetlehile ka ho hlophisoa ha bohloeki bo phahameng, ho sebelisoa hape ha likristale tse ngata, tlhahlobo e nepahetseng ea tlhahlobo, le ho paka mongobo o sa keneng moea. Ho felisa litšila tsa tšepe, alkaline le mongobo nakong ea tlhahiso ea pele ho boloka matla a mangata, ho atolosa bophelo ba potoloho ea sele, le ho thibela ho hloleha ha betri ka tšohanyetso.
LBH
Q:Tekanyo ea bohloeki bakeng sa lithium acetate ea boemo ba betri ke efe?
Lithium acetate ea boemo ba betrie hloka moeli oa bohloeki ba lik'hemik'hale o fetang 99.9%. Bahlahisi ba laola ka tieo litšila tsa likarolo, mongobo le litšepe tse boima tse salang ho thibela ho senyeha ha ts'ebetso ea sele.
Q:Ke hobane'ng ha lithium acetate e sa hloekang e lokela ho lula e koetsoe nakong ea polokelo?
Anhydrous lithium acetate e monya mongobo o sepakapakeng ka potlako ka lebaka la tlhaho ea eona ea ho fetoha ha metsi. Lijana tse koetsoeng li thibela ho monngoa ha metsi, li emisa ho thehoa ha hydrofluoric acid le ho senyeha ha electrolyte ka har'a lisele tsa lithium.
Q:Litšila tsa tšepe tse fetohang li senya libeteri tsa lithium-ion joang?
Litšepe tsa phetoho ea trace tse kang tšepe le koporo lia qhibiliha ka har'a electrolyte e metsi. Litšepe tsena li etsa li-dendrite ho anode, li phunya karohano 'me li baka lipotoloho tse nyane tse khutšoane.
Nako ea poso: Phato-13-2026