Batteri ya Litiyumu-ion iratera imbere cyane cyane mu cyerekezo cy’ingufu nyinshi. Ku bushyuhe bwicyumba, ibikoresho bya electrode bibi bya silicon bivanze na lithium kugirango bibyare umusaruro ukungahaye kuri lithium Li3.75Si icyiciro, gifite ubushobozi bwihariye bugera kuri 3572 mAh / g, ibyo bikaba birenze cyane ubushobozi bwihariye bwa tewolojiya yihariye ya electrode 372 mAh / g. Nyamara, mugihe cyogusubiramo inshuro nyinshi no gusohora ibikoresho bya electrode itari nziza ya silicon, ihinduka ryicyiciro cya Si na Li3.75Si rishobora kubyara kwaguka kwinshi (hafi 300%), ibyo bikazana ifu yububiko bwibikoresho bya electrode kandi bigakomeza kubaho. SEI firime, kandi amaherezo itera ubushobozi kugabanuka vuba. Inganda zitezimbere cyane cyane imikorere yibikoresho bya electrode mbi ya silikoni hamwe na bateri ishingiye kuri silikoni ikoresheje nano-sizing, coating carbone, pore pore nubundi buryo bwikoranabuhanga.
Ibikoresho bya karubone bifite imiyoboro myiza, igiciro gito, hamwe nisoko ryinshi. Bashobora kunoza imikorere nuburinganire bwibikoresho bishingiye kuri silicon. Byakoreshejwe muburyo bwiza bwo kongera imikorere ya silicon ishingiye kuri electrode mbi. Ibikoresho bya Silicon-karubone nicyerekezo nyamukuru cyiterambere cya silicon ishingiye kuri electrode mbi. Ipasi ya karubone irashobora kunoza ubuso bwibikoresho bishingiye kuri silikoni, ariko ubushobozi bwayo bwo kubuza kwaguka kwa silikoni ni rusange kandi ntibishobora gukemura ikibazo cyo kwaguka kwa silikoni. Kubwibyo, kugirango tunoze ituze ryibikoresho bishingiye kuri silikoni, hagomba kubakwa inyubako nziza. Gusya umupira nuburyo bwinganda bwo gutegura nanomaterial. Ibintu bitandukanye byongeweho cyangwa ibikoresho birashobora kongerwaho mubitotsi byabonetse mugusya umupira ukurikije igishushanyo mbonera cyibikoresho bigize. Ibishishwa bikwirakwizwa mu buryo butandukanye kandi byumye. Mugihe cyo gukama ako kanya, nanoparticles nibindi bice bigize slurry bizahita bikora ibintu byubaka. Uru rupapuro rukoresha inganda zangiza kandi zangiza ibidukikije hamwe no gutera imashini yumisha kugirango itegure ibikoresho bishingiye kuri silikoni.
Imikorere yibikoresho bishingiye kuri silicon irashobora kandi kunozwa muguhuza morphologie no gukwirakwiza ibiranga silicon nanomaterial. Kugeza ubu, hateguwe ibikoresho bishingiye kuri silikoni hamwe na morphologie zitandukanye hamwe nibiranga ikwirakwizwa, nka silicon nanorods, porite grafite yashyizwemo nanosilicon, nanosilicon ikwirakwizwa mu bice bya karubone, silicon / graphene array yubatswe, n'ibindi. Ku gipimo kimwe, ugereranije na nanoparticles. , nanosheets irashobora guhagarika neza ikibazo cyo guhonyora cyatewe no kwaguka kwijwi, kandi ibikoresho bifite ubucucike bukabije. Gutondekanya gutondekanya nanosheets birashobora kandi gukora imiterere. Kwinjira muri silicon mbi ya electrode yo guhana. Tanga ikibanza cya buffer kugirango ubunini bwagutse bwibikoresho bya silicon. Kwinjiza karubone nanotubes (CNTs) ntibishobora gusa kunoza imikoreshereze yibikoresho, ahubwo binateza imbere imiterere yimiterere yibikoresho bitewe nuburyo bumwe bwimiterere ya morfologiya. Nta raporo zubatswe zubatswe na silicon nanosheets na CNTs. Uru rupapuro rwifashisha inganda zikoreshwa mu nganda, gusya no gutatanya, kumisha spray, uburyo bwa karuboni mbere yo gutwikira no kubara, kandi butangiza porotokoro mu buryo bwo kwitegura gutegura ibikoresho bya elegitoroniki bibi bya silicon bishingiye ku kwishyira hamwe kwa nanosheets ya silicon na CNT. Igikorwa cyo gutegura kiroroshye, cyangiza ibidukikije, kandi nta bisigazwa byamazi cyangwa ibisigazwa by’imyanda. Hano haribisobanuro byinshi byibitabo bivuga kuri karubone yububiko bwa silikoni, ariko haribiganiro bike byimbitse kubyerekeye ingaruka zo gutwikira. Uru rupapuro rukoresha asfalt nkisoko ya karubone kugirango ikore iperereza ku ngaruka zuburyo bubiri bwo gutwika karubone, gutwikira icyiciro cyamazi hamwe nicyiciro gikomeye, ku ngaruka ziterwa no gukora ibikoresho bibi bya electrode bishingiye kuri silikoni.
1 Ubushakashatsi
1.1 Gutegura ibikoresho
Gutegura ibikoresho bya silicon-karubone yibikoresho bikubiyemo ahanini intambwe eshanu: gusya imipira, gusya no gutatanya, kumisha spray, karubone mbere yo gutwikira hamwe na karubone. Ubwa mbere, upima 500 g yifu ya silicon yambere (murugo, 99,99% byera), ongeramo g 2000 ya isopropanol, hanyuma ukore urusyo rwumupira wumuvuduko wumuvuduko wumupira wa 2000 r / min kuri 24 h kugirango ubone silikoni ya nano. Ibikoresho bya silicon byabonetse byimurirwa mu kigega cyo kohereza, hanyuma ibikoresho byongerwaho ukurikije igipimo rusange cya silikoni: grafite (ikorerwa muri Shanghai, icyiciro cya batiri): carbone nanotubes (ikorerwa muri Tianjin, icyiciro cya batiri): polyvinyl pyrrolidone (yakozwe muri Tianjin, icyiciro cyo gusesengura) = 40: 60: 1.5: 2. Isopropanol ikoreshwa muguhindura ibintu bikomeye, nibikomeye byateguwe kuba 15%. Gusya no gutatanya bikorwa ku muvuduko wa 3500 r / min kuri 4 h. Irindi tsinda ryibisebe utongeyeho CNTs biragereranywa, nibindi bikoresho ni bimwe. Ibishishwa byakwirakwijwe byahise byimurirwa mu kigega cyo kugaburira spray, hanyuma kumisha spray bikorerwa mu kirere gikingiwe na azote, ubushyuhe bwo kwinjira no gusohoka bukaba ari 180 na 90 ° C. Noneho ubwoko bubiri bwa karubone bwagereranijwe, icyiciro gikomeye cyo gutwikira hamwe na feri ya feri. Uburyo bukomeye bwo gutwikira icyiciro ni: ifu yumye ya spray ivanze nifu ya 20% yifu ya asfalt (ikorerwa muri koreya, D50 ni 5 mm), ivangwa mukuvanga imashini kuminota 10, kandi umuvuduko wo kuvanga ni 2000 r / min kugirango ubone ifu yabanjirije. Uburyo bwo gutwikira icyiciro cyamazi ni: ifu yumye ya spray yongewe kumuti wa xylene (wakozwe muri Tianjin, urwego rwisesengura) urimo asifalt 20% yashonga mumashanyarazi kubintu bikomeye bya 55%, na vacuum ikabyara kimwe. Guteka mu ziko rya vacuum kuri 85 ℃ kuri 4h, shyira mumashini ivanga imashini, kuvanga umuvuduko ni 2000 r / min, naho igihe cyo kuvanga ni 10 min kugirango ubone ifu yabanje gutwikwa. Hanyuma, ifu yabanje gutwikirwa yabazwe mu itanura rizunguruka munsi yikirere cya azote ku gipimo cya 5 ° C / min. Yabanje kubikwa ku bushyuhe buhoraho bwa 550 ° C kuri 2h, hanyuma ikomeza gushyuha kugeza kuri 800 ° C ikomeza kugumana ubushyuhe buhoraho kuri 2h, hanyuma bisanzwe bikonja kugeza munsi ya 100 ° C hanyuma irekurwa kugirango ibone silikoni-karubone ibikoresho.
1.2 Uburyo bwo kuranga
Ingano yubunini bwikwirakwizwa ryibikoresho byasesenguwe hakoreshejwe ibipimo bipima ubunini (verisiyo ya Mastersizer 2000, yakozwe mu Bwongereza). Ifu yabonetse muri buri ntambwe yageragejwe no gusikana microscopi ya electron (Regulus8220, yakozwe mu Buyapani) kugirango isuzume morphologie nubunini bwifu. Imiterere yicyiciro cyibikoresho byasesenguwe hifashishijwe isesengura rya X-ray ifu itandukanya (D8 ADVANCE, yakozwe mu Budage), kandi ibice bigize ibikoresho byasesenguwe hakoreshejwe isesengura ryingufu. Ibikoresho bya silicon-karubone byabonetse byakoreshejwe mugukora buto igice-selile yicyitegererezo CR2032, naho igipimo rusange cya silicon-karubone: SP: CNT: CMC: SBR yari 92: 2: 2: 1.5: 2.5. Counter electrode ni urupapuro rwa lithium yicyuma, electrolyte ni electrolyte yubucuruzi (moderi 1901, yakozwe muri Koreya), ikoreshwa rya diaphragm ya Celgard 2320, igipimo cyumuriro nogusohora ni 0.005-1.5 V, amashanyarazi nogusohora ni 0.1 C (1C = 1A), hamwe no gusohora amashanyarazi ni 0.05 C.
Mu rwego rwo kurushaho gukora iperereza ku mikorere y’ibikoresho bya silicon-karubone, hakozwe bateri ntoya yoroheje-ipaki 408595. Electrode nziza ikoresha NCM811 (ikozwe muri Hunan, urwego rwa bateri), kandi grafite ya electrode itari nziza ikopororwa hamwe na 8% bya silicon-karubone. Inzira nziza ya electrode slurry ni 96% NCM811, 1.2% fluoride polyvinylidene (PVDF), 2% ya agent ikora SP, 0.8% CNT, na NMP ikoreshwa nkikwirakwiza; amata mabi ya electrode slurry ni 96% yibikoresho bya electrode bibi, 1.3% CMC, 1.5% SBR 1.2% CNT, namazi akoreshwa mugutatanya. Nyuma yo gukurura, gutwikira, kuzunguruka, gukata, kumurika, gusudira tab, gupakira, guteka, gutera inshinge, gushiraho no kugabana ubushobozi, 408595 yateje bateri ntoya yoroheje ipakira ifite ubushobozi bwa 3 Ah. Ikigereranyo cyibipimo bya 0.2C, 0.5C, 1C, 2C na 3C hamwe nizunguruka ryumushahara wa 0.5C hamwe na 1C byapimwe. Umuriro wa voltage no gusohora byari 2.8-4.2 V, guhora kwama no guhorana umuriro wa voltage, naho amashanyarazi yaciwe yari 0.5C.
2 Ibisubizo n'ibiganiro
Ifu ya silicon yambere yabonetse mugusikana electron microscopie (SEM). Ifu ya silicon yari granular idasanzwe hamwe nubunini buke buri munsi ya 2 mm, nkuko bigaragara ku gishushanyo 1 (a). Nyuma yo gusya umupira, ingano yifu ya silicon yagabanutse cyane kugera kuri nm 100 [Ishusho 1 (b)]. Ikigereranyo cy'ubunini bwerekanye ko D50 yifu ya silicon nyuma yo gusya umupira yari 110 nm naho D90 ikaba 175 nm. Isuzumabumenyi ryitondewe rya morphologie yifu ya silicon nyuma yo gusya imipira yerekana imiterere idahwitse (imiterere yimiterere ya flake izakomeza kugenzurwa uhereye kumutwe wa SEM nyuma). Kubwibyo, amakuru ya D90 yabonetse mubipimo by'ubunini bugomba kuba uburebure bwa nanosheet. Ufatanije n'ibisubizo bya SEM, birashobora kwemezwa ko ingano ya nanosheet yabonetse ari ntoya kuruta agaciro kangana na 150 nm yo kumena ifu ya silicon mugihe cyo kwishyuza no gusohora byibuze murwego rumwe. Ihinduka rya morphologie flake riterwa ahanini ningufu zinyuranye zo gutandukana kwindege za kirisiti ya kirisiti ya kirisiti, muri yo indege {111} ya silicon ifite ingufu zo gutandukana munsi yindege {100} na {110}. Kubwibyo, iyi ndege ya kirisiti iroroshye kunanurwa no gusya umupira, kandi amaherezo ikora imiterere. Imiterere ihindagurika ifasha mu kwegeranya ibintu bidakabije, ikabika umwanya wo kwagura ingano ya silikoni, kandi igateza imbere ibintu.
Igishishwa kirimo nano-silikoni, CNT na grafite cyatewe, hanyuma ifu mbere na nyuma yo kuyitera isuzumwa na SEM. Ibisubizo byerekanwe ku gishushanyo cya 2. Matrix ya grafite yongeweho mbere yo gutera ni imiterere isanzwe ya flake ifite ubunini bwa 5 kugeza kuri 20 mm [Ishusho 2 (a)]. Ingano yubunini bwo gukwirakwiza grafite yerekana ko D50 ari 15μm. Ifu yabonetse nyuma yo kuyitera ifite morphologie spherical [Igishusho 2 (b)], kandi birashobora kugaragara ko igishushanyo cyashizweho nigipfundikizo nyuma yo gutera. D50 yifu nyuma yo gutera ni 26.2 mm. Ibiranga morphologique yibice bya kabiri byarebwaga na SEM, byerekana ibiranga imiterere idakabije yegeranijwe na nanomateriali [Ishusho 2 (c)]. Imiterere isukuye igizwe na silicon nanosheets na CNTs zifatanije hamwe [Ishusho ya 2 (d)], kandi ubuso bwihariye bwibizamini (BET) bingana na 53.3 m2 / g. Kubwibyo, nyuma yo gutera, silicon nanosheets na CNTs yiteranya kugirango ikore imiterere.
Igice cya pisine cyavuwe hamwe na karubone yuzuye ya karubone, hanyuma nyuma yo kongeramo karuboni ya prursor ikibanza na karuboni, hakozwe ubushakashatsi bwa SEM. Ibisubizo byerekanwe ku gishushanyo cya 3. Nyuma ya karubone, igipfundikizo cyo hejuru kigumana imiterere myiza [Igishusho 3 (c)]. Byongeye kandi, ishusho ya SEM yambukiranya ibice byerekana imiterere ya nanoparticles [Ishusho 3 (d)], ihuye nimiterere ya morfologiya iranga nanosheets, irusheho kugenzura ishyirwaho rya nanosheets ya silicon nyuma yo gusya umupira. Mubyongeyeho, Igishushanyo cya 3 (d) cyerekana ko hari ibyuzuza hagati ya nanosheets. Ibi ahanini biterwa no gukoresha uburyo bwo gutwikira icyiciro. Igisubizo cya asfalt kizinjira mubikoresho, kugirango ubuso bwa nanosheets ya silicon y'imbere ibone karubone ikingira. Kubwibyo, ukoresheje ibice byamazi byamazi, usibye kubona ingaruka ya kabiri yo gutwikira, ingaruka zibiri za karuboni zibiri zifatika zishobora no kuboneka. Ifu ya karubone yageragejwe na BET, ibisubizo by'ibizamini ni 22.3 m2 / g.
Ifu ya karubone yakorewe isesengura ry’ingufu zinyuranye (EDS), ibisubizo bigaragara ku gishushanyo cya 4 (a). Micron-nini yingirakamaro ni C igizwe, ihuye na matrise ya grafite, kandi igifuniko cyo hanze kirimo silikoni na ogisijeni. Kugirango ukore iperereza ku miterere ya silikoni, hakozwe ikizamini cya X-ray (XRD), kandi ibisubizo byerekanwe ku gishushanyo cya 4 (b). Ibikoresho bigizwe ahanini na grafite na silikoni imwe ya kirisiti, idafite ibimenyetso bya silikoni ya silikoni igaragara, byerekana ko igice cya ogisijeni yikizamini cyingufu zituruka ahanini kuri okiside isanzwe yubuso bwa silikoni. Ibikoresho bya silicon-karubone byanditse nka S1.
Ibikoresho bya silikoni-karubone byateguwe S1 byakorewe buto yo mu bwoko bwa kimwe cya kabiri cyakorewe hamwe nogupima-gusohora. Igice cya mbere cyo kwishyuza-gusohora umurongo cyerekanwe ku gishushanyo cya 5.Ubushobozi bwihariye bwo guhindurwa ni 1000.8 mAh / g, kandi uburyo bwa mbere bwo kuzenguruka bukaba buri hejuru ya 93.9%, ibyo bikaba birenze ubushobozi bwa mbere bwibikoresho byinshi bishingiye kuri silikoni nta pre- lithiation ivugwa mubitabo. Ubushobozi bwambere bwambere bwerekana ko ibikoresho byateguwe na silicon-karubone yibikoresho bifite ituze ryinshi. Kugirango hamenyekane ingaruka ziterwa nuburyo bubi, umuyoboro uyobora hamwe na karuboni itwikiriye neza ku bikoresho bya silikoni-karubone, hateguwe ubwoko bubiri bwibikoresho bya silikoni-karubone nta kongeramo CNT kandi nta na karuboni yibanze.
Imiterere ya porojone ya karubone yibikoresho bya silicon-karubone itongeyeho CNT irerekanwa ku gishushanyo cya 6. Nyuma yo gutwikira icyiciro cyamazi hamwe na karubone, igipfundikizo gishobora kugaragara neza hejuru y’ibice bya kabiri ku gishushanyo cya 6 (a). SEM yambukiranya SEM yibikoresho bya karubone irerekanwa mumashusho 6 (b). Gutondekanya silosike nanosheets ifite ibintu byinshi biranga, kandi ikizamini cya BET ni 16,6 m2 / g. Ariko, ugereranije nurubanza rwa CNT [nkuko bigaragara ku gishushanyo cya 3 (d), ikizamini cya BET cyifu ya karubone ni 22.3 m2 / g], imbere ya nano-silicon imbere yuzuye ubucucike buri hejuru, byerekana ko kwiyongera kwa CNT bishobora guteza imbere imiterere yimiterere. Mubyongeyeho, ibikoresho ntabwo bifite imiyoboro itatu-itwara imiyoboro yubatswe na CNT. Ibikoresho bya silicon-karubone byanditse nka S2.
Ibiranga morfologiya biranga silikoni-karubone yibikoresho byateguwe na feri ya karubone ikomeye igaragara ku gishushanyo cya 7. Nyuma ya karuboni, hari igipande kigaragara hejuru, nkuko bigaragara ku gishushanyo 7 (a). Igicapo 7 (b) cerekana ko hariho ibice bisa na nanoparticles mu gice c'umusaraba, bihuye n'ibiranga morfologiya biranga nanosheets. Ikusanyirizo rya nanosheets rigizwe nuburyo bubi. Nta kintu cyuzuza kigaragara hejuru ya nanosheets y'imbere, byerekana ko icyuma gikomeye cya karubone gikora gusa icyuma gipima karubone gifite imiterere yuzuye, kandi nta gipimo cyimbere cyimbere kuri silicon nanosheets. Ibikoresho bya silicon-karubone byanditse nka S3.
Akabuto-ubwoko bwa kabiri-selile yishyurwa no gusohora byakozwe kuri S2 na S3. Ubushobozi bwihariye nubushobozi bwa mbere bwa S2 byari 1120.2 mAh / g na 84.8%, hamwe nubushobozi bwihariye nubushobozi bwa mbere bwa S3 bwari 882.5 mAh / g na 82.9%. Ubushobozi bwihariye nubushobozi bwa mbere bwicyiciro cya S3 cyicyitegererezo cyari cyo hasi cyane, byerekana ko hashyizweho gusa karuboni yububiko bwa karubone yubatswe, kandi ikariso ya karubone ya nanosheets yimbere ntabwo yakozwe, idashobora gutanga umukino wuzuye ku bushobozi bwihariye bwibikoresho bishingiye kuri silikoni kandi ntibishobora kurinda ubuso bwibikoresho bishingiye kuri silikoni. Imikorere ya mbere yicyitegererezo cya S2 idafite CNT nayo yari munsi ugereranije niy'ibikoresho bya silicon-karubone irimo CNT, byerekana ko hashingiwe ku gipimo cyiza cyo gutwikira, umuyoboro uyobora hamwe n’urwego rwo hejuru rw’imiterere ifasha mu iterambere yo kwishyuza no gusohora neza ibikoresho bya silicon-karubone.
S1 silicon-carbone ibikoresho byakoreshejwe mugukora bateri yoroheje-ipaki yuzuye kugirango isuzume imikorere yikigereranyo n'imikorere ya cycle. Igipimo cyo gusohora umurongo cyerekanwe mu gishushanyo cya 8 (a). Ubushobozi bwo gusohora bwa 0.2C, 0.5C, 1C, 2C na 3C ni 2.970, 2.999, 2.920, 2.176 na 1.021 Ah. Igipimo cyo gusohora 1C kiri hejuru ya 98.3%, ariko igipimo cya 2C gisohoka kigabanuka kugera kuri 73.3%, naho 3C isohoka ikamanuka kugera kuri 34.4%. Kwinjira muri silicon mbi ya electrode yo guhana, nyamuneka ongeraho WeChat: shimobang. Kubijyanye nigipimo cyo kwishyuza, 0.2C, 0.5C, 1C, 2C na 3C ubushobozi bwo kwishyuza ni 3.186, 3.182, 3.081, 2.686 na 2.289 Ah. Igipimo cyo kwishyuza 1C ni 96.7%, naho igipimo cya 2C kiracyagera kuri 84.3%. Nyamara, kwitegereza umurongo wo kwishyiriraho mu gishushanyo cya 8 (b), urubuga rwo kwishyiriraho 2C ni runini cyane kuruta urwego rwa 1C rwo kwishyuza, kandi ubushobozi bwarwo bwo guhora bwishyuza amashanyarazi bugera kuri benshi (55%), byerekana ko polarisiyasi ya 2C yumuriro wa batiri ari bimaze kuba binini cyane. Ibikoresho bya silicon-karubone bifite uburyo bwiza bwo kwishyuza no gusohora kuri 1C, ariko ibiranga imiterere yibikoresho bigomba kurushaho kunozwa kugirango bigerweho neza. Nkuko bigaragara ku gishushanyo cya 9, nyuma yinzinguzingo 450, igipimo cyo kugumana ubushobozi ni 78%, byerekana imikorere myiza yizunguruka.
Imiterere yubuso bwa electrode mbere na nyuma yizenguruko ryakozwe na SEM, kandi ibisubizo byerekanwe ku gishushanyo cya 10. Mbere yukuzenguruka, ubuso bwibikoresho bya grafite na silikoni-karubone birasobanutse [Ishusho 10 (a)]; nyuma yizunguruka, biragaragara ko igipfundikizo cyakozwe hejuru yubuso [Igicapo 10 (b)], ni firime ya SEI. SEI firime ikabije Gukoresha lithium ikora ni byinshi, ntabwo bifasha imikorere yizunguruka. Kubwibyo, guteza imbere ishyirwaho rya firime ya SEI yoroshye (nko kubaka firime ya SEI yubukorikori, kongeramo inyongera ya electrolyte, nibindi) birashobora kunoza imikorere yizunguruka. Kwihweza ibice SEM kwitegereza ibice bya silicon-karubone nyuma yizunguruka [Igicapo 10 (c)] cyerekana ko umwimerere wa silicon nanoparticles wabaye umwimerere wabaye mubi kandi imiterere yabyo yavanyweho. Ibi ahanini biterwa no gukomeza kwaguka kwinshi no kugabanuka kwibikoresho bya silikoni-karubone mugihe cyizunguruka. Kubwibyo, imiterere yimiterere ikeneye kurushaho kunozwa kugirango itange umwanya uhagije wo kwagura ingano yo kwagura ibikoresho bishingiye kuri silikoni.
3 Umwanzuro
Ukurikije kwaguka kwijwi, kutitwara neza no kutagira isura nziza ya silicon ishingiye kubikoresho bya electrode mbi, iyi mpapuro ikora iterambere ryibanze, uhereye kumiterere ya morphologie ya silicon nanosheets, iyubakwa ryimiterere, kubaka imiyoboro ikora hamwe no gutwika karubone yuzuye ibice byose byisumbuyeho , kunoza ituze ryibikoresho bya silicon bishingiye kubintu bibi bya electrode muri rusange. Ikusanyirizo rya silicon nanosheets irashobora gukora imiterere. Itangizwa rya CNT rizakomeza guteza imbere ishingwa ryimiterere. Ibikoresho bya silikoni-karubone byateguwe byateguwe na feri ya feri ifite ingaruka ebyiri zo gutwika karubone kuruta ibyateguwe na feri ikomeye, kandi byerekana ubushobozi bwihariye kandi bukora neza. Byongeye kandi, imikorere yambere yibikoresho bya silicon-karubone irimo CNT irarenze iyo idafite CNT, ibyo bikaba biterwa ahanini nurwego rwo hejuru rwubushobozi buke bwo kugabanya ubwiyongere bwibikoresho bishingiye kuri silikoni. Itangizwa rya CNT rizubaka imiyoboro itatu-itwara imiyoboro, itezimbere imikorere yibikoresho bishingiye kuri silikoni, kandi yerekana imikorere myiza kuri 1C; nibikoresho byerekana imikorere yizunguruka nziza. Nyamara, imiterere yimiterere yibikoresho igomba kurushaho gushimangirwa kugirango itange umwanya uhagije wo kwagura ingano ya silikoni, kandi iteze imbere gushiraho nezana firime yuzuye ya SEI kugirango irusheho kunoza imikorere yumuzingi wibikoresho bya silicon-karubone.
Dutanga kandi ibicuruzwa byiza bya grafite na silicon karbide, bikoreshwa cyane mugutunganya wafer nka okiside, gukwirakwiza, hamwe na annealing.
Ikaze abakiriya bose baturutse impande zose zisi kugirango badusure kugirango tuganire kubindi biganiro!
https://www.vet-china.com/
Igihe cyo kohereza: Ugushyingo-13-2024