Lintho tse ntle tsa lithium battery anode

(Lintho tse ntle tsa lithium battery anode)

Linaha ho pota lefatše li ntse li tsoela pele ho hlahisa liindasteri tse ncha tsa matla, mme indasteri ea betri ea lithium-ion ke e 'ngoe ea tsona. Libetri tsa lithium-ion li na le melemo ea bohlokoa joalo ka matla a phahameng, sethala se phahameng sa motlakase, tshebetso e babatsehang ya polokeho, bophelo ba potoloho e telele, e tala ebile e sena tshilafalo, etc. E le hore li sebelisoe lisebelisoa tse nkehang tsa elektroniki tsa 3C, likoloi tse hloekileng tsa motlakase, likepe, theknoloji ea sebaka, boenjineri ba bongaka, thepa, Indasteri ea sesole sa tšireletso e 'nile ea sebelisoa haholo likarolong tse ngata. Betri ea lithium-ion e fetohile sebaka sa lipatlisiso tšimong e ncha ea matla e fumaneng tlhokomelo e ngata lilemong tse leshome tse fetileng le nako e tlang..

Hajoale, ntshetsopele e matla ya indasteri e ntjha ya dikoloi tsa eneji e nyolohetse sehlohlolong sa leano la ntshetsopele ya dinaha tse fapaneng. Ntlafatso ea indasteri e ncha ea likoloi tsa matla e tobane le menyetla e mengata ea nalane; ka hona, lisebelisoa tse hlokahalang tsa anode ka libeteri tsa lithium-ion le tsona li na le bohlokoa, tebello e khanyang. E le e 'ngoe ea lisebelisoa tsa mantlha tsa libeteri tsa motlakase bakeng sa likoloi tse ncha tsa matla, lisebelisoa tse kotsi tsa li-electrode li bapala karolo ea bohlokoa ts'ebetsong ea ho qetela ea likoloi tse ncha tsa matla. Ntlafatso ea ts'ebetso ea libeteri tsa lithium-ion tsa matla li hloka ho itšetleha ka tsoelo-pele ea mahlale a theknoloji ea anode., kahoo lipatlisiso tsa lisebelisoa tsa anode tse sebetsang hantle li fetohile tse ling tsa likarolo tse sebetsang ka ho fetisisa tsa libeteri tsa matla tsa lithium-ion tsa hona joale..

Lisebelisoa tsa anode tsa betri ea lithium hajoale ke sehokelo sa bohlokoahali indastering ea betri ea lithium-ion. Ho ea ka karolo ea litšenyehelo tsa betri ea lithium-ion, lintho tse mpe eleketrode akhaonteng bakeng sa 25% ho 28% ea litšenyehelo tsohle tsa libeteri tsa lithium. Ha ho bapisoa le lisebelisoa tsa lithium battery cathode, lipatlisiso ka lisebelisoa tsa anode li sa tsoa qala. The e loketseng negative eleketrode lintho tse bonahalang e lokela ho ba le bonyane tse latelang maemo a tšeletseng:

1. Bokhoni ba lik'hemik'hale bo tlase, 'me phapang e kholo ea bokhoni e thehoa ka lisebelisoa tse ntle tsa electrode ho fumana betri ea matla a phahameng; e lokela ho ba le matla a phahameng a khethehileng a potoloho;

2. Li + e lokela ho ba bonolo ho kenya le ho ntša linthong tse mpe tsa eleketrode, ka katleho e phahameng ea Coulomb, e le hore tefiso e tsitsitseng le motlakase oa ho lahla o ka fumanoa nakong ea Li + mokhoa oa deintercalation;

3. E-ba le conductivity e ntle ea elektroniki le conductivity ea ionic;

4. E na le botsitso bo babatsehang, 'me e na le tumellano e felletseng le li-electrolyte;

5. Mohloli oa thepa o lokela ho ba le lisebelisoa tse ngata, theko e tlase, 'me e bonolo ts'ebetsong ea tlhahiso;

6. Sireletsehile, botala, le ntle le tshilafalo.

Lisebelisoa tsa anode tse finyellang maemo a ka holimo ha li eo hona joale. Ka hona, lipatlisiso ka lisebelisoa tse ncha tsa anode tse nang le matla a phahameng a matla, tshebetso e babatsehang ya polokeho, theko e tlase, ’me thepa e fumanehang habonolo e fetohile mosebetsi o potlakileng. Hona hape ke taba e chesang lefapheng la lipatlisiso tsa betri ea lithium. Mothating ona, lisebelisoa tsa lithium-ion battery anode haholo-holo li kenyelletsa lisebelisoa tsa carbon, phetoho ea li-oxide tsa tšepe, lisebelisoa tsa motsoako, lisebelisoa tsa silicon, le lisebelisoa tse ling tse nang le silicon, lithium-containing transition metal nitrides, le lisebelisoa tsa lithium titanate.

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(Lintho tse ntle tsa lithium battery anode)