Sistimi ea hajoale ea khoebo ea lithium-ion betri, ntho e fokotsang haholo ke conductivity ea motlakase.Haholo-holo, conductivity e sa lekaneng ea lisebelisoa tse ntle tsa electrode e fokotsa ka ho toba mosebetsi oa karabelo ea electrochemical.Hoa hlokahala ho eketsa mochine o ts'oanelang ho ntlafatsa mokhoa oa ho tsamaisa thepa le ho haha ​​marang-rang a tsamaisang ho fana ka mocha o potlakileng oa lipalangoang tsa elektronike le ho netefatsa hore thepa e sebetsang e sebelisoa ka botlalo.Ka hona, moemeli oa conductive e boetse ke thepa ea bohlokoa ka har'a betri ea lithium ion e amanang le thepa e sebetsang.

Ts'ebetso ea moemeli oa conductive e itšetlehile haholo ka sebopeho sa thepa le mekhoa eo e kopanang le eona le thepa e sebetsang.Li-betri tsa lithium ion tse sebelisoang hangata li na le litšobotsi tse latelang:

(1) Khabone e ntšo: Sebopeho sa carbon black se bontšoa ke tekanyo ea ho kopana ha likaroloana tsa carbon black ho ketane kapa sebōpeho sa morara.Likaroloana tse ntle, ketane ea marang-rang e petelitsoeng ka bongata, sebaka se seholo se ikhethileng, le boima ba yuniti, tse molemo ho theha sebopeho sa ketane ea conductive ka eleketrode.Joalo ka moemeli oa li-conductive agents, carbon black hajoale ke eona e sebelisoang ka ho fetesisa ea conductive.Bothata ke hore theko e holimo mme ho thata ho qhalakana.

(2)Graphite: graphite ea conductive e khetholloa ke boholo ba likaroloana tse haufi le tsa lisebelisoa tse sebetsang hantle le tse mpe, sebaka se itekanetseng se khethehileng, le motlakase o motle oa motlakase.E sebetsa e le node ea marang-rang a conductive ka betri, 'me ka electrode e mpe, e ke ke ea ntlafatsa feela conductivity , empa hape le bokhoni.

(3) P-Li: Super P-Li e tšoauoa ka boholo phatsa nyenyane, tšoanang le conductive carbon batsho, empa e leka-lekaneng itseng holim'a sebaka, haholo-holo ka mokgwa wa makala a betere, e leng molemo haholo bakeng sa ho theha netweke conductive.Bothata ke hore ho thata ho hasanya.

(4)Carbon nanotubes(CNTs): CNTs ke li-conductive agents tse hlahileng lilemong tsa morao tjena.Ka kakaretso li na le bophara ba hoo e ka bang 5nm le bolelele ba 10-20um.Ha ba khone ho sebetsa feela e le "lithapo" marang-rang a conductive, empa hape ba na le phello e habeli ea electrode ho fana ka papali ho litšobotsi tse phahameng tsa li-supercapacitor.Ts'ebetso ea eona e ntle ea mocheso e boetse e thusa ho qhala mocheso nakong ea tefiso ea betri le ho tsoa, ​​​​ho fokotsa polarization ea betri, ho ntlafatsa ts'ebetso ea betri e phahameng le e tlase ea mocheso, le ho lelefatsa bophelo ba betri.

Joaloka moemeli oa conductive, CNTs e ka sebelisoa hammoho le lisebelisoa tse sa tšoaneng tsa electrode ho ntlafatsa bokhoni, lebelo le ts'ebetso ea potoloho ea lisebelisoa / betri.Lisebelisoa tse ntle tsa electrode tse ka sebelisoang li kenyelletsa: LiCoO2, LiMn2O4, LiFePO4, polymer positive electrode, Li3V2 (PO4) 3, manganese oxide, joalo-joalo.

Ha ho bapisoa le lisebelisoa tse ling tse tloaelehileng tsa conductive, carbon nanotubes e na le melemo e mengata e le lisebelisoa tse ntle le tse mpe tsa libeteri tsa lithium ion.Li-nanotube tsa carbon li na le conductivity e phahameng ea motlakase.Ho phaella moo, CNTs na le tšobotsi e khōlō karo-karolelano, 'me ka tlaase ho phaella moo chelete e ka finyella percolation monyako tšoanang le tse ling tse additives (ho boloka bohole ba dieleketerone ho motsoako kapa falla sebakeng seo).Kaha li-carbon nanotubes li ka etsa marang-rang a lipalangoang tsa elektronike tse sebetsang hantle haholo, boleng ba conductivity bo tšoanang le ba motsoako oa spherical particle bo ka finyelloa ka 0.2 wt% feela ea SWCNTs.

(5)Grapheneke mofuta o mocha oa lintho tse peli tse flexible planar carbon tse nang le motlakase o motle haholo le mocheso o futhumatsang.Sebopeho se lumella lera la lakane ea graphene hore le khomarele likaroloana tse sebetsang, 'me le fane ka palo e kholo ea libaka tsa ho ikopanya le li-electrode tse sebetsang hantle le tse mpe, e le hore li-electrone li ka tsamaisoa sebakeng se nang le mahlakore a mabeli ho theha sebaka se seholo sa conductive network.Kahoo e nkuoa e le moemeli ea loketseng oa conductive hajoale.

Motsoako o motšo oa carbon le lintho tse sebetsang li amana le ntlha, 'me li ka kenella ka har'a likaroloana tsa lisebelisoa tse sebetsang ho eketsa ka botlalo tekanyo ea tšebeliso ea lisebelisoa tse sebetsang.Li-nanotubes tsa carbon li na le ntlha ea ho kopana le lintlha, 'me li ka kenngoa pakeng tsa lisebelisoa tse sebetsang ho theha mohaho oa marang-rang, o sa eketsang conductivity feela, Ka nako e ts'oanang, e ka boela ea sebetsa e le moemeli oa karolo ea bonding, le mokhoa oa ho kopana oa graphene. ke ho kopana le ntlha-to-sefahleho, e ka hokahanyang holim'a thepa e sebetsang ho theha marang-rang a conductive sebakeng se seholo e le 'mele o ka sehloohong, empa ho thata ho koahela ka ho feletseng thepa e sebetsang.Leha palo ea graphene e eketsoang e ntse e eketseha khafetsa, ho thata ho sebelisa lisebelisoa tse sebetsang ka botlalo, le ho hasanya Li ion le ho senya ts'ebetso ea eleketrode.Ka hona, lisebelisoa tsena tse tharo li na le mokhoa o motle oa tlatsetso.Ho kopanya carbon black kapa carbon nanotubes le graphene ho aha marang-rang a tsamaisang ho feta ho ka ntlafatsa ts'ebetso ea kakaretso ea electrode.

Ho feta moo, ho ea ka pono ea graphene, ts'ebetso ea graphene e fapana ho ea ka mekhoa e fapaneng ea ho lokisa, ho ea ka tekanyo ea ho fokotseha, boholo ba lakane le karo-karolelano ea carbon black, dispersible, le botenya ba electrode kaofela li ama tlhaho. ea li-conductive agents haholo.Har'a bona, kaha mosebetsi oa mochine oa conductive ke ho haha ​​​​marang-rang a conductive bakeng sa lipalangoang tsa elektronike, haeba moemeli oa conductive ka boeena o sa qhalane hantle, ho thata ho haha ​​marang-rang a sebetsang hantle.Ha ho bapisoa le ntho e tloaelehileng ea carbon black conductive agent, graphene e na le sebaka se phahameng haholo, 'me phello ea conjugate ea π-π e etsa hore ho be bonolo ho kopanya lits'ebetsong tse sebetsang.Ka hona, mokhoa oa ho etsa hore graphene e be mokhoa o motle oa ho hasana le ho sebelisa ka botlalo ts'ebetso ea eona e babatsehang ke bothata bo ka sehloohong bo lokelang ho rarolloa ts'ebetsong e atileng ea graphene.