Muri sisitemu yubucuruzi yubucuruzi bwa lithium-ion, ibintu bigabanya ahanini nubwiza amashanyarazi. By'umwihariko, imyitwarire idahagije y'ibikoresho byiza bya electrode igabanya ibikorwa bya electrochemical reaction. Birakenewe kongeramo umukozi ukwiye kugirango wongere imikorere yibikoresho kandi wubake umuyoboro uyobora kugirango utange umuyoboro wihuse wo gutwara ibintu no kureba ko ibikoresho bifatika bikoreshwa neza. Kubwibyo, umukozi uyobora kandi nibintu byingenzi byingenzi muri lithium bateri ya bateri ugereranije nibikoresho bifatika.

Imikorere yumukozi uyobora biterwa nuburyo bunini kumiterere yibikoresho hamwe nimyitwarire ihura nibikoresho bifatika. Mubisanzwe byakoreshejwe lithium ion bateri yatsinze abakozi bayobora ibi bikurikira:

. Ibice byiza, urunigi rwuzuye rwuzuye, ahantu hanini cyane, hamwe ninkumi, ningirakamaro gukora imiterere yurubano muri electrode. Nkumuhagarariye abakozi gakondo bafatanije, Carbon Umukara kuri ubu niwe wakoreshwaga cyane. Ingaruka ni uko igiciro kiri hejuru kandi biragoye kubitatana.

(2)Igishushanyo: Igishushanyo mbonera kirangwa nubunini bwimiterere hafi yibikoresho byiza nibikoresho bifatika, hamwe nubuso buciriritse, kandi bufite amashanyarazi meza. Ikora nkigice cyumuyoboro uyobora muri bateri, kandi muri electrode mbi, ntishobora kunoza imikorere gusa, ahubwo irashobora kandi kubushobozi.

. Ibibi nuko bigoye gutatana.

(4)Carbone Nanotubes (CNTS): CNTS ni abakozi bayobora bagaragaye mumyaka yashize. Mubisanzwe bafite diameter ya 5nm hamwe nuburebure bwa 10-20um. Ntibashobora gukora nk '"insinga" gusa mu miyoboro itwara neza, ariko nanone hari electrode ya electrode yo gutanga ikina ku bipimo byinshi bya ExcaPacite. Imyitwarire yacyo nziza irafasha kandi gutandukana nubushyuhe mugihe cyo kwishyuza no gusohora, kugabanya imikorere ya bateri, kunoza imikorere yubushyuhe bwo hejuru nubushyuhe bwo hejuru, kandi bukangurira ubuzima bwa bateri.

Nkumukozi uyobora, CNT ishobora gukoreshwa hamwe nibikoresho byiza bya electrode uburyo bwo kunoza ubushobozi, igipimo, nubukungu bwimikorere / bateri. Ibikoresho byiza bya electrode bishobora gukoreshwa birimo: Licoo2, Liven2o4, ubuzima bwiza bwa electrode, LI3V2 (PO4), hamwe na mangane, nibindi nkibyo.

Ugereranije nabandi bakozi basanzwe, Carbon Nanotubes bafite ibyiza byinshi nkibintu byiza kandi bibi bitwara imirongo ya lithuum ion batteri. Carbon Nanotubes ifite imishinga myinshi y'amashanyarazi. Byongeye kandi, CNT ifite igipimo kinini cyihariye, kandi umubare wo kwiyongera urashobora kugera kuri percolation nkuru nkizindi nguzanyo (kubungabunga intera ya electrons mu kigo cyangwa abimukira). Kubera ko karuboni nanotubes ishobora gukora neza imiyoboro ikoresha neza, agaciro ko kuyobora bisa nibirimo kumwanya wa spherical birashobora kugerwaho hamwe na 0.2 WT% ya SPC.

(5)Umuringeni ubwoko bushya bwibikoresho bibiri byoroshye bya karubone hamwe namashanyarazi meza kandi yubushyuhe. Iyi nyubako yemerera Grace parike kugirango yubahirize ibikoresho bifatika, kandi itange umubare munini wibintu byatoranijwe nibice bifatika, kuburyo electron ishobora gukorwa muburyo bubiri bwo gukora umuyoboro munini. Rero bifatwa nkigitero cyiza kuri ubu.

Carbon Umukara nibikoresho bifatika birahuza, kandi birashobora kwinjira mubice byibikoresho bifatika kugirango wongere byimazeyo ibikoresho bikoreshwa byibikoresho bifatika. Nanonubes ya karubone iri kumurongo, kandi irashobora guhumurizwa hagati yibikoresho bikora kugirango bigire imiterere, icyarimwe, hamwe nuburyo bwo guhuza igice, kandi biragoye gupfukirana ibintu bifatika. Nubwo umubare wa Granine wongeyeho ukomeje kwiyongera, biragoye gukoresha rwose ibikoresho bifatika, kandi biragoye rwose ibikoresho bifatika, kandi biragoye rwose, kandi biragoye kuri li ions kandi byangiriye nabi imikorere ya electrode. Kubwibyo, ibi bikoresho bitatu bifite icyerekezo cyiza cyuzuzanya. Kuvanga karubone umukara cyangwa karubone nanotubes hamwe na graphene kubaka umuyoboro wuzuye wo kuyobora urashobora kuzamura imikorere rusange ya electrode.

Byongeye kandi, uhereye kubitekerezo bya GrafeN, imikorere ya Graffene iratandukanye muburyo butandukanye bwo gutegurwa, murwego rwo kugabanya karubone, ibitagenda neza, hamwe nubunini bwa electrode bose bigira ingaruka kumiterere yabakozi bayobora cyane. Muri bo, kubera ko imikorere y'umukozi uyobora ari ukunyu kubaka umuyoboro uyobora utunganijwe, niba umukozi utwara abantu utatanye, biragoye kubaka umuyoboro mwiza. Ugereranije na karubone gakondo yumukara ushinzwe umutekano, Glayhene afite ubuso bwihariye bwa ultra, kandi Π-Π guhuza Ingaruka bituma byoroshye gutera imbere mubikorwa bifatika. Kubwibyo, uburyo bwo kuri grafene bukora sisitemu nziza kandi bigakoresha byuzuye imikorere yacyo ni ikibazo cyingenzi gikeneye gukemurwa muburyo bwa grafphene.

 


Igihe cyo kohereza: Ukuboza-18-2020

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