Lefatše le hloka matla a mangata, haholo-holo ka mokhoa o hloekileng le o ka nchafatsoang.Maano a rona a ho boloka matla ha joale a bōpiloe ke libeteri tsa lithium-ion - qetellong ea theknoloji e joalo - empa re ka lebella eng lilemong tse tlang?
Ha re qale ka lintlha tse ling tsa motheo tsa betri.Betri ke pakete ea sele e le 'ngoe kapa ho feta, e' ngoe le e 'ngoe e na le electrode e ntle (cathode), electrode e mpe (anode), karohano le electrolyte.Ho sebelisa lik'hemik'hale tse fapaneng le lisebelisoa bakeng sa tsena ho ama thepa ea betri - hore na e ka boloka matla a makae le ho tsoa, matla a makae ao e ka fanang ka 'ona kapa palo ea makhetlo ao e ka lokolloang le ho tjhajoa hape (hape ho bitsoa bokhoni ba baesekele).
Likhamphani tsa libeteri li lula li leka ho fumana lik'hemik'hale tse theko e tlaase, tse teteaneng, tse bobebe le tse matla ho feta.Re buile le Patrick Bernard - Motsamaisi oa Lipatlisiso oa Saft, ea ileng a hlalosa mekhoa e meraro e mecha ea betri e nang le bokhoni ba ho fetola.
LITHIUM-ION LITHIUM-ION tsa moloko o mocha
Ke eng?
Ka libeteri tsa lithium-ion (li-ion), ho boloka matla le ho lokolloa ho fanoa ke ho tsamaea ha li-ion tsa lithium ho tloha ho tse ntle ho ea ho electrode e mpe ka morao le ka electrolyte.Ho thekenoloji ena, electrode e ntle e sebetsa e le mohloli oa pele oa lithium le electrode e mpe e le moemeli oa lithium.Lik'hemik'hale tse 'maloa li bokelloa tlas'a lebitso la libeteri tsa li-ion, ka lebaka la khetho ea lilemo tse mashome le ho ntlafatsa haufi le phetheho ea lisebelisoa tse sebetsang hantle le tse mpe.Lithiated metal oxides kapa phosphates ke lintho tse sebelisoang ka ho fetesisa e le lisebelisoa tsa hajoale tse ntle.Graphite, empa hape le graphite / silicon kapa lithiated titanium oxides li sebelisoa e le lisebelisoa tse mpe.
Ka lisebelisoa tsa 'nete le meralo ea lisele, theknoloji ea li-ion e lebelletsoe ho fihlela moeli oa matla lilemong tse tlang.Leha ho le joalo, litšibollo tsa morao-rao tsa malapa a macha a lisebelisoa tse senyang tse sebetsang li lokela ho bula meeli ea hona joale.Lik'hemik'hale tsena tse ncha li ka boloka lithium tse ngata ho li-electrode tse ntle le tse mpe 'me li tla lumella ka lekhetlo la pele ho kopanya matla le matla.Ho phaella moo, ka metsoako ena e mecha, khaello le ho nyatsa-nyatsa ha thepa e tala li boetse li nkoa.
Melemo ea eona ke efe?
Kajeno, har'a litheknoloji tsohle tsa morao-rao tsa polokelo, theknoloji ea betri ea li-ion e lumella boemo bo phahameng ka ho fetisisa ba matla a matla.Lits'ebetso tse kang tefiso e potlakileng kapa fensetere ea ts'ebetso ea mocheso (-50 ° C ho fihla ho 125 ° C) e ka lokisoa hantle ka khetho e kholo ea moralo oa lisele le lik'hemik'hale.Ho feta moo, libeteri tsa li-ion li bonts'a melemo e meng joalo ka ho itšehla thajana le nako e telele ea bophelo le ho bapala libaesekele, hangata ho tjhaja/ho chacha.
Re ka e lebella neng?
Moloko o mocha oa libeteri tsa li-ion tse tsoetseng pele li lebelletsoe ho sebelisoa pele ho moloko oa pele oa libeteri tsa boemo bo tiileng.Li tla ba tse loketseng ho sebelisoa lits'ebetsong tse kang Energy Storage Systems bakeng satse nchafalitsoengle lipalangoang (tsa metsing, literene,sefofanele ho tsamaea tseleng) moo matla a phahameng, matla a phahameng le polokeho li tlamang.
LITHIAMO-SEBALEFA LIBETIRI
Ke eng?
Ka li-betri tsa li-ion, li-ion tsa lithium li bolokiloe ka thepa e sebetsang e sebetsang e le mehaho e tsitsitseng ea moeti nakong ea tefiso le ho tsoa.Ka libeteri tsa lithium-sulfur (Li-S), ha ho na mehaho ea baeti.Ha e ntse e ntša, lithium anode e jeoa 'me sebabole se fetoloa metsoako e sa tšoaneng ea lik'hemik'hale;nakong ea ho tjhaja, ts'ebetso e khutlelang morao e etsahala.
Melemo ea eona ke efe?
Batri ea Li-S e sebelisa lisebelisoa tse bobebe haholo: sebabole ka har'a electrode e ntle le lithium ea tšepe e le electrode e mpe.Ke ka lebaka leo matla a eona a matla a theoretical a leng holimo ka mokhoa o sa tloaelehang: makhetlo a mane ho feta a lithium-ion.Seo se etsa hore e lekane hantle bakeng sa indasteri ea lifofane le sebaka.
Saft e khethile le ho rata theknoloji ea Li-S e tšepisang ka ho fetesisa e ipapisitseng le boemo bo tiileng ba electrolyte.Tsela ena ea tekheniki e tlisa matla a matla haholo, bophelo bo bolelele mme e hlola litšitiso tse kholo tsa mokelikeli o thehiloeng ho Li-S (bophelo bo lekanyelitsoeng, ho itšehla thajana, ...).
Ho feta moo, theknoloji ena e tlatselletsa ho boemo bo tiileng ba lithium-ion ka lebaka la matla a matla a khoheli a matla a khoheli (+ 30% e kotsing ho Wh/kg).
Re ka e lebella neng?
Litšitiso tse kholo tsa theknoloji li se li hlōtsoe 'me boemo ba khōlo bo ntse bo tsoela pele ka potlako ho ea ho li-prototype tse feletseng.
Bakeng sa lits'ebetso tse hlokang bophelo bo bolelele ba betri, theknoloji ena e lebelletsoe ho fihla 'marakeng ka mor'a hore ho be le lithium-ion e tiileng.
LIBETRI TSE TILENG TSA 'MUSO
Ke eng?
Libetri tsa boemo bo tiileng li emela phetoho ea paradigm ho latela theknoloji.Libetring tsa morao-rao tsa li-ion, li-ion li tloha ho elektrode e 'ngoe ho ea ho e' ngoe ho pholletsa le electrolyte ea metsi (eo hape e bitsoang ionic conductivity).Libetring tsohle tsa boemo bo tiileng, electrolyte ea metsi e nkeloa sebaka ke motsoako o tiileng oo leha ho le joalo o lumellang lithium ions ho falla ka hare ho eona.Khopolo ena ha e ncha, empa lilemong tse 10 tse fetileng - ka lebaka la lipatlisiso tse matla tsa lefats'e - malapa a macha a li-electrolyte tse tiileng a fumanoe a e-na le conductivity e phahameng haholo ea ionic, e tšoanang le electrolyte ea metsi, e lumellang hore tšitiso ena ea theknoloji e hlōloe.
Kajeno,SaftBoiteko ba lipatlisiso le nts'etsopele bo shebana le mefuta e 'meli ea mantlha ea lisebelisoa: li-polymers le metsoako ea inorganic, e shebaneng le ts'ebelisano ea thepa ea physico-chemical joalo ka ts'ebetso, botsitso, conductivity ...
Melemo ea eona ke efe?
Monyetla oa pele o moholo ke ntlafatso e hlakileng ea polokeho maemong a lisele le betri: li-electrolyte tse tiileng ha li chese ha li futhumatsoa, ho fapana le li-aquid tsa tsona.Ea bobeli, e lumella tšebeliso ea lisebelisoa tse ncha, tse nang le matla a phahameng a matla, tse nolofalletsang libeteri tse teteaneng, tse bobebe tse nang le sethala sa bophelo bo betere ka lebaka la ho fokotsa ho itšehla thajana.Ho feta moo, maemong a sistimi, e tla tlisa melemo e eketsehileng joalo ka mechini e nolofalitsoeng hammoho le taolo ea mocheso le polokeho.
Kaha libeteri li ka bonts'a karo-karolelano e phahameng ea matla ho boima, li ka ba tse loketseng ho sebelisoa likoloing tsa motlakase.
Re ka e lebella neng?
Ho na le mefuta e mengata ea libeteri tsa naha tse tiileng tse ka tlang 'marakeng ha tsoelo-pele ea theknoloji e ntse e tsoela pele.Ea pele e tla ba libeteri tsa boemo bo tiileng tse nang le li-anode tse thehiloeng ho graphite, tse tlisang ts'ebetso e ntlafetseng ea matla le polokeho.Ha nako e ntse e ea, litheknoloji tsa betri tsa boemo bo bobebe tse sebelisang tšepe ea lithium anode li lokela ho fumaneha khoebong.
Nako ea poso: Aug-03-2022