Ka morao
Libetri tsa Lithium-ion li 'nile tsa sebelisoa haholo e le libeteri tse ka nchafatsoang ho tloha lilemong tsa bo-1990 ka lebaka la bokhoni ba tsona bo phahameng bo ka fetoloang le botsitso ba potoloho. Ka keketseho e kholo ea theko ea lithium le tlhokahalo e ntseng e eketseha ea lithium le likarolo tse ling tsa motheo tsa libeteri tsa lithium-ion, khaello e ntseng e eketseha ea lisebelisoa tse tala bakeng sa libeteri tsa lithium e re qobella ho hlahloba lisebelisoa tse ncha le tse theko e tlaase tsa electrochemical tse thehiloeng linthong tse ngata tse teng. . Libetri tsa sodium-ion tse theko e tlase ke khetho e ntle ka ho fetisisa. Battery ea sodium e batlile e sibolloa hammoho le betri ea lithium-ion, empa ka lebaka la radius ea eona e kholo ea ion le matla a tlase, batho ba rata ho ithuta ka motlakase oa lithium, mme lipatlisiso tsa betri ea sodium-ion li batla li emisitsoe. Ka kholo e potlakileng ea likoloi tsa motlakase le indasteri ea polokelo ea matla lilemong tsa morao tjena, betri ea sodium-ion, e 'nileng ea etsoa ka nako e le' ngoe le betri ea lithium-ion, e boetse e hohetse batho.'s hloko.
Lithium, sodium le potasiamo kaofela ke litšepe tsa alkali tafoleng ea periodic ea likarolo. Li na le thepa e tšoanang ea 'mele le ea lik'hemik'hale 'me li ka sebelisoa e le lisebelisoa tsa bobeli tsa betri ka khopolo. Lisebelisoa tsa sodium li ruile haholo, li ajoa ka bongata karolong ea Lefatše 'me ho bonolo ho li ntša. E le sebaka sa lithium, sodium e lebisitsoe tlhokomelo e eketsehileng tšimong ea betri. Betrimoetsiskorotlaho qala tsela ea theknoloji ea betri ea sodium-ion.Maikutlo a Tataiso mabapi le Ho Potlakisa Nts'etsopele ea Polokelo e Ncha ea Matla, Leano la Boithopollo ba Mahlale le Theknoloji Lebaleng la Matla nakong ya Moralo wa Dilemo tse hlano tsa bo-14., leLeano la ho Kenngwa Tshebetsong la Ntshetsopele ya Polokelo e Ntjha ya Eneji nakong ya Moralo wa Dilemo tse hlano tsa bo-14e fanoeng ke Khomishene ea Naha ea Ntšetso-pele le Phetoho le Tsamaiso ea Naha ea Matla li boletse ho hlahisa moloko o mocha oa mekhoa e phahameng ea ho boloka matla e kang libeteri tsa sodium-ion. Lekala la Indasteri le Theknoloji ea Boitsebiso (MIIT) le boetse le khothalelitse libeteri tse ncha, tse kang li-betri tsa sodium-ion, e le ballast bakeng sa nts'etsopele ea indasteri e ncha ea matla. Litekanyetso tsa indasteri bakeng sa libeteri tsa sodium-ion le tsona lia sebetsa. Ho lebeletsoe hore ha indasteri e ntse e eketsa matsete, theknoloji e ntse e hōla 'me ketane ea indasteri e ntse e ntlafatsoa butle-butle, betri ea sodium-ion e nang le litšenyehelo tse phahameng e lebelletsoe ho nka karolo ea' maraka oa betri ea lithium-ion.
Betri ea sodium-ion khahlano le betri ea lithium-ion
Lisebelisoa tse so ntlafatsoe | Betri ea lithium-ion | Betri ea sodium-ion |
Electrode e ntle | LFP NCM LCO | Nano-pb Polyanionic sulfate oxide ea tšepe e entsoeng ka thini |
Positive electrode mookelli oa hona joale | Aluminium foil | Aluminium foil |
Electrode e mpe | Graphite | Khabone e thata, k'habone e bonolo, k'habone e kopaneng |
Negative electrode mookelli oa hona joale | Foil ea koporo | Aluminium foil |
Electrolyte | LiPF6 | NaPF6 |
Searohanyi | PP,PE,PP/PE | PP,PE,PP/PE |
Letlapa la pole | Letlapa la nickel le entsoeng ka koporo / Letlapa la nickel pole | Letlapa la aluminium |
- Carbon negative electrode ea sodium-ion betri e na le litšenyehelo tse tlase le sebaka se seholo sa phetoho ho feta sa graphite.
- Aluminium foil e ka sebelisoa e le pokello ea hona joale bakeng sa electrode e ntle le e mpe ea libeteri tsa sodium-ion. Libetri tsa lithium-ion li na le matla a fokolang a fokolang 'me li tlameha ho sebelisa foil ea koporo e sa senyehang. Ka lehlakoreng le leng, libeteri tsa sodium-ion li na le matla a mangata a fosahetseng, kahoo ha li kopane le sodium. Aluminium foil e tlase ka boima ba 'mele le theko ho feta koporo foil.
- Ka electrolyte, solubility ea Na+ e ka ba 30% e ka tlase ho ea Li+. Sekhahla sa ho qhibiliha se phahame, 'me ho hanyetsa phetisetso ea tefiso ho electrode - electrolyte interface e nyenyane, e fanang ka matla a ntlafetseng a electrode. Ka hona, tekanyo ea ho ntša tefiso ea sodium-ion e phahame ka mocheso o phahameng le mocheso o tlaase, 'me mocheso o tlaase o sebetsa hantle,' me o ka lefisoa kapele.
- Libetri tsa sodium-ion li na le khetho e pharaletseng ea lisebelisoa tse ntle tsa electrode. Hoo e ka bang likarolo tsohle tsa tšepe tsa phetoho moleng oa pele oa tafole ea periodic li ka sebelisoa ka libeteri tsa sodium-ion. Sena se bakoa ke phapang e kholo ea boholo pakeng tsa Na+ (radius 0.102nm) le li-ion tsa tšepe tsa phetoho (radius 0.05-0.07nm), e leng se loketseng ho arohana ha bona.
- Ho hanyetsa ka hare ho betri ea sodium-ion ho phahame ho feta betri ea lithium-ion. Tabeng ea potoloho e khutšoanyane, mocheso oa hang-hang o fokotseha, ho phahama ha mocheso ho lieha 'me mocheso o balehang oa mocheso o phahame ho feta oa betri ea lithium, kahoo betri ea sodium-ion e sireletsehile.
- Radius e kholo ea sodium-ion e ka lebisa ho senyeha ha thepa ha e tlosoa thepa ea electrode, kahoo e ama ts'ebetso ea kinetic ka kakaretso ea betri le botšepehi ba electrode.
- Sodium e na le matla a phahameng haholo a li-electrode (0.33V e phahameng ho feta lithium), e bakang matla a fokolang a matla le ho etsa hore ho be thata ho hlōlisana le libeteri tsa lithium-ion lefapheng la matla.
Khatelo-pele ea morao-rao ea lipatlisiso
Lilemong tsa morao tjena, lipatlisiso tsa libeteri tsa sodium-ion li kenyelletsa lisebelisoa tse tsoetseng pele tsa cathode tse se nang cobalt bakeng sa libeteri tsa sodium-ion, polyanionic sulfate e theko e tlaase bakeng sa electrode e ntle ea libeteri tsa sodium-ion, metsoako ea nano-pb e sebelisoang ho electrode e ntle ea sodium. -Battery ba ion, lipatlisiso tsa mantlha mabapi le lisebelisoa tsa organic anode bakeng sa libeteri tsa sodium-ion ho lisebelisoa tse ka bang teng tsa khoebo, tin-based metal oxides le sulfide e sebelisoang e le lisebelisoa tsa anode bakeng sa libeteri tsa sodium-ion, Nanoengineering ea lisebelisoa tse tsoetseng pele tsa carbon ka libeteri tsa sodium-ion, le kopo. ea sebopeho se tsoetseng pele sa in situ thutong ea libeteri tsa sodium-ion. Ka kakaretso, e ntse e le sebaka sa lipatlisiso ho fumana lisebelisoa tse phahameng tsa elektrode tse ntle le tse mpe tse tsoang likarolong tsa ho ntlafatsa mekhoa ea ho fetola, ho ntlafatsa mekhoa ea ho itokisa le ho hlahloba mochine oa polokelo ea sodium ho ntlafatsa tlhōlisano ea kakaretso ea libeteri tsa sodium-ion.
Nako ea poso: Nov-09-2022