Momwe Nano Graphene Powder Imaletsera Kutha kwa Mphamvu ya Batri

Mfundo Zofunika Kwambiri

Chifukwa Chake Mabatire Amataya Mphamvu

Batri yanu imataya mphamvu pakapita nthawi. Mavuto atatu akuluakulu ndi omwe amachititsa kuti izi zilephereke. Kumvetsa vuto lililonse kumakuthandizani kuona momwe ufa wa nanographene umathetsera vutoli.

Kusweka kwa Ma Electrode ndi Kupsinjika kwa Makina

Kuchaja ndi kutulutsa mphamvu mobwerezabwereza kumapangitsa kuti ma electrode a batri yanu adzike ndikuchepa. Kupsinjika kumeneku kumabweretsa ming'alu. Njirayi imatsatira ndondomeko yomveka bwino:

1. Ma ayoni a lithiamu amalowa mu chipangizo cha host akamachaja. Izi zimasintha magawo a lattice ndi voliyumu.
2. Kuthamanga kwa mphamvu kumapangitsa kuti mphamvu ya magetsi ikwere mofulumira. Pamwamba pake pamakula kwambiri kuposa mkati.
3. Kupsinjika kwa malo kumawonjezeka. Pamene chinthucho chikupitirira mphamvu ya kusweka kwake, ming'alu imapangika.
4. Kuyenda njinga kumawonjezera ming'alu iyi. Tinthu tating'onoting'ono timatha kusweka kapena kulekanitsidwa ndi chosonkhanitsa chamagetsi.

Pamene silicon alloys ndi lithiamu ikuchajidwa, imasinthasintha volumetric kuposa 300%, zomwe zimapangitsa kuti makina azisokonekera zomwe zimapangitsa kuti tinthu ting'onoting'ono tiphwanyike, electrode disamination, komanso mphamvu yake iwonongeke mwachangu.

Kusweka kumeneku kumawonetsa malo atsopano. Kumawononganso gawo loteteza lozungulira.

Kusakhazikika kwa SEI Layer ndi Kugwiritsa Ntchito Lithium

Gawo lolimba la electrolyte interphase (SEI) limapangidwa pa anode panthawi yoyamba kuyitanitsa. Limateteza electrolyte kuti isawonongekenso. Komabe, gawoli ndi lofooka. Kupsinjika kwa makina chifukwa cha kukula kwa electrode kumaphwanya SEI. Malo atsopano a anode amaonekera. Ma SEI ambiri amapangidwa kuti aphimbe. Njirayi imagwiritsa ntchito ma lithiamu ion ogwira ntchito. Ma ion awa amakodwa mu SEI kwamuyaya. Sangathenso kuzungulira pakati pa ma electrode. Batri yanu imataya mphamvu yogwiritsidwa ntchito.

Pa silicon yopanda kanthu, makulidwe a SEI amakula kufika pa nanometer 100–300 pambuyo pa maulendo 100. Kukhuthala kumeneku kumalepheretsa mayendedwe a chaji. Kumadyanso lithiamu yambiri. Zotsatira zake zimakhala kutha msanga kwa mphamvu.

Kupaka kwa Lithium ndi Kupanga Dendrite

Pazifukwa zina, chitsulo cha lithiamu chimapangika pamwamba pa anode m'malo mochiyika mu zinthu zomwe zimasungidwa. Lithiamu iyi imakula kukhala zinthu zonga singano zotchedwa dendrites. Dendrites zimayambitsa mavuto awiri:

• Amalowa mu separator ndikupanga ma internal short circuits.
• Amathyola anode ndipo amalekanitsidwa ndi magetsi. Lithium yakufa iyi siithandizanso pakupanga mphamvu.

Mphamvu zamagetsi zambiri zimayambitsa kusintha kwa mankhwala komwe kumasokoneza electrolyte. Ming'alu imapanga pamlingo wochepa mpaka 25% ya malire abwinobwino a kulephera kwa makina. Ming'alu iyi imalola ma dendrite kukula mwachangu. Batri yanu imataya mphamvu kwamuyaya ndipo ingalephereke kwambiri.

Momwe Nano Graphene Powder Imaletsera Kulephera Kwake

Kulimbitsa Ma Electrode Mwamakina

Ufa wa nanographene umathetsa vuto la kusweka kwa ma electrode. Kapangidwe kake ka mbali ziwiri kamagwira ntchito ngati scaffold ya mamolekyulu. Scaffold iyi imagwira zinthu za electrode pamodzi panthawi yochaja ndi kutulutsa. Electrode ikatupa, mapepala a graphene amagawa mphamvu ya makina mofanana. Amaletsa ming'alu kuti isapangike ndikukula.

Mumapeza electrode yolimba. Netiweki ya graphene imasunga kapangidwe kake ngakhale patatha zaka mazana ambiri. Kulimbitsa kumeneku kumasunga tinthu tating'onoting'ono tolumikizidwa ndi chosonkhanitsa chamagetsi. Kumathandizanso kuti electrode isagawikane. Batri yanu imakhalabe yolimba ndipo imapitiriza kupereka mphamvu zonse.

Kupititsa patsogolo Ma Conductivity ndi Uniform SEI Formation

Kuyendetsa bwino kwa magetsi ndikofunikira kwambiri pakugwira ntchito bwino kwa batri. Ufa wa nanographene ndi woyendetsa mphamvu zamagetsi mwamphamvu. Uli ndi malo akuluakulu pamwamba. Ukauwonjezera ku ma electrode a batri, umawonjezera kuyendetsa bwino magetsi popanda kufunikira mpweya wambiri. Mutha kuyika graphene ku anode kuti mugwiritse ntchito bwino kuyendetsa kwake ndi malo ake akuluakulu kuti muwongolere mawonekedwe ake komanso kuti muwongolere magwiridwe antchito.

Umu ndi momwe imagwirira ntchito:

• Kupanga maukonde oyendetsera: Mu makina ouma a ma electrode, graphene imagwira ntchito ngati netiweki yopepuka komanso yogwira ntchito bwino kwambiri. Imawongolera mphamvu, magwiridwe antchito a C-rate, komanso kusunga mphamvu.
• Kulowa m'malo mwa kaboni wakuda: Mutha kuphatikiza graphene mwachindunji mu kupanga kochokera ku slurry. Imalowa m'malo kapena kuchepetsa carbon black. Izi zimathandizira mphamvu, mphamvu ya C-rate, komanso kusunga mphamvu popanda kusokoneza njira zomwe zilipo.
• Chophimba cha zinthu zogwira ntchito: Kupaka zinthu zogwira ntchito ndi graphene kumathandiza kuti chaji ndi kutulutsa zinyalala mwachangu. Kumapereka mphamvu zamagetsi zambiri. Kumagwiranso ntchito ngati chotchinga chokhazikika cha mankhwala. Chotchinga ichi chimaletsa mapangidwe a SEI osafunikira. Chimathandizira kuti batri likhale ndi moyo wautali.

Netiweki ya graphene yofanana imathandiza kuti SEI isapangidwe mofanana. SEI yokhazikika imadya lithiamu yochepa. Imatetezanso electrolyte kuti isawonongeke. Batri yanu imasunga mphamvu zambiri pakapita nthawi.

Kuletsa Lithium Dendrites

Ma dendrite a lithiamu ndi chiwopsezo chachikulu pa chitetezo cha batri komanso moyo wake. Ufa wa nanographene umapanga chotchinga chenicheni chomwe chimaletsa kukula kwa dendrite. Mapepala a graphene amapanga netiweki yolimba komanso yoyendetsa mpweya pamwamba pa anode. Netiweki iyi imaletsa mapangidwe a mapangidwe ofanana ndi singano a lithiamu.

Netiweki ya graphene imagawanso magetsi mofanana. Malo ofanana awa amaletsa kuchuluka kwa ma lithiamu ion m'deralo. Popanda malo oterewa, ma dendrite sangayambe kukula. Mumapeza batri yotetezeka yokhala ndi moyo wautali.

Kuti mudziwe mtundu wa batri, ganizirani iziNano Graphene Ufa CAS 1034343-98-0 Mtengo Wa Fakitale Wa Batri GirediKatunduyu amapereka kuyera kwambiri komanso magwiridwe antchito omwe mukufunikira kuti mugwiritse ntchito batri modalirika.

Kuchita ndi Kuphatikizana kwa Dziko Lenileni

Mungadabwe kuti ufa wa nanographene umagwira ntchito bwanji kunja kwa labotale. Kupanga mabatire enieni kumabweretsa zovuta zapadera. Kumvetsetsa zovuta izi kumakuthandizani kuwunika ngati zinthuzi zikugwirizana ndi zosowa zanu zopangira.

Kuyerekeza ndi Zowonjezera Zachikhalidwe za Carbon

Mabatire achikhalidwe amadalira kaboni wakuda kapena graphite ngati zowonjezera zoyendetsera magetsi. Zipangizozi zimagwira ntchito koma zili ndi zoletsa. kaboni wakuda umafuna kukweza kwambiri kuti ukwaniritse kuyendetsa bwino magetsi. Zipangizo zowonjezerazi zimatenga malo omwe angasunge zinthu zogwira ntchito. Graphite imapereka kuyendetsa bwino magetsi koma ilibe mphamvu zolimbitsa magetsi za graphene.

Ufa wa nanographene umachita bwino kuposa mitundu yonse iwiri m'njira zingapo. Kapangidwe kake ka mbali ziwiri kamapereka malo akuluakulu pa unit mass. Mufunika graphene yochepa kuti mukwaniritse mulingo wofanana wa conductivity. Kuchita bwino kumeneku kumatanthauza malo ambiri azinthu zogwira ntchito mu electrode yanu. Kuchuluka kwa zinthu zogwira ntchito kumatanthauza kuchuluka kwa mphamvu ya batri yanu.

Kapangidwe ka makina nakonso kamasiyana kwambiri. Tinthu takuda ta kaboni sitimalimbitsa kapangidwe ka elekitirodi. Timangodzaza mipata pakati pa tinthu ta zinthu zogwira ntchito. Komabe, mapepala a Graphene amazungulira ndikulumikiza tinthu tating'onoting'ono. Netiweki iyi imagwirizanitsa chilichonse panthawi yamagetsi ndi kutulutsa. Elekitirodi yanu imasunga umphumphu wake kwa nthawi yayitali kuposa ndi zowonjezera zachikhalidwe.

Mavuto ophatikizana awa ndi ofunika pa chisankho chanu. Muyenera kuwunika ubwino wa magwiridwe antchito poyerekeza ndi kusintha kwa kupanga. Opanga ambiri amaona kuti kusinthaku n'kofunika. Kukonzanso kwa mphamvu zomwe zimagwiritsidwa ntchito kumatsimikizira kusintha koyambirira kwa kupanga.

Nano Graphene Ufa CAS 1034343-98-0 Mtengo Wa Fakitale Wa Batri Giredi

Mukufuna gwero lodalirika lazinthu za batriNano Graphene Powder CAS 1034343-98-0 Mtengo Wapafakitale Wa Battery Grade umapereka kusinthasintha komwe kupanga kwanu kumafuna. Chogulitsachi chimapereka chiyero chapamwamba chokhala ndi mpweya woposa 97%. Kukula kwa tinthu tomwe timayendetsedwa kumatsimikizira kufalikira kofanana mu slurry yanu ya electrode.

Mafotokozedwe ake amathandizira kuphatikiza kosasokonekera. Kuchuluka kwa pompo pansi pa 0.1 g/cm³ kumatanthauza kuti ufa umafalikira mosavuta. Malo a BET pamwamba pa 180-280 m²/g pamagiredi wamba. Zosankha zapamwamba za malo okwana 720-900 m²/g pamagwiritsidwe ntchito omwe amafuna malo olumikizirana kwambiri. Mutha kusankha giredi yomwe ikugwirizana ndi kapangidwe ka batri yanu.

Chinyezi chimakhala pansi pa 1.0% pa 105°C kwa maola awiri. Chinyezi chochepachi chimaletsa zinthu zosafunikira panthawi yokonzekera ma elekitirodi. Ufawo umafalikira mwachindunji m'madzi kapena m'madzi osungunula. Mutha kugwiritsa ntchito ultrasound kuti mupeze kufalikira kofanana komanso kokhazikika. Kusinthasintha kumeneku kumachepetsa njira yanu yopangira.

Nano Graphene Powder CAS 1034343-98-0 Mtengo wa Factory For Battery Grade umabwera m'njira zosiyanasiyana zopakira kuyambira magalamu 10 mpaka kilogalamu imodzi. Mutha kukulitsa kuyambira pa kafukufuku mpaka kupanga koyambirira popanda kusintha ogulitsa. Kapangidwe ka mitengo ya fakitale kamapangitsa kuwerengera ndalama kukhala kosavuta pa ndondomeko yanu yokonzekera bajeti.

Maphunziro a Nkhani: Magalimoto Amagetsi ndi Zamagetsi Zonyamulika

Mabatire amagetsi a magalimoto amakumana ndi zovuta zambiri. Kuchaja mwachangu kumabweretsa kutentha ndi kupsinjika kwa makina. Ufa wa nanographene umathetsa mavuto onsewa bwino. Wopanga EV m'modzi adaphatikiza graphene mu anode yawo yayikulu ya silicon. Netiweki ya graphene idalola kukula kwa tinthu ta silicon ndi 300%. Pambuyo pa ma charger 500, batireyo idasunga 87% ya mphamvu yake yoyambirira. Zowonjezera za kaboni zomwe zimagwiritsidwa ntchito mofananamo zidasunga 62% yokha.

Kuchaja mwachangu kunakhalanso bwino. Netiweki yoyendetsa graphene inachepetsa kukana kwamkati ndi 40%. Kuchepetsa kumeneku kunalola kuti mitengo ya chaji ikhale yokwera popanda kupanga kutentha kwambiri. Oyendetsa galimoto amatha kuchaja magalimoto awo mumphindi 15 m'malo mwa mphindi 45. Batireyo inasunga kutentha kotetezeka pakugwira ntchito panthawi yonseyi.

Zamagetsi zonyamulika zimakhala ndi zofunikira zosiyanasiyana. Batire yanu ya foni yam'manja iyenera kukhala ndi nthawi yokwanira m'malo ochepa. Kuchepa kwa malo kumatanthauza kuti milimita iliyonse imawerengedwa. Kugwira ntchito bwino kwa Graphene monga chowonjezera choyendetsera magetsi kumachepetsa kuchuluka kwa zinthu zomwe zimagwira ntchito. Wopanga ma laputopu wina adawonjezera mphamvu ya batri ndi 18% pongosintha kuchoka ku carbon black kupita ku graphene.

Ubwino wa kukhazikika kwa SEI layer ndi wofunikanso pazida zonyamulika. Zipangizozi nthawi zambiri zimakhala zosagwiritsidwa ntchito kwa nthawi yayitali. Zigawo zosakhazikika za SEI zimawonongeka ngakhale chipangizocho chikazimitsidwa. Ma electrode olimbikitsidwa ndi graphene amasunga umphumphu wawo wa SEI panthawi yosungira. Ogwiritsa ntchito amanena kuti mphamvu zawo zimachepa panthawi yosungira chipangizocho kwa nthawi yayitali.

Ukadaulo wovalidwa ndi njira ina yomwe ikukula. Zipangizozi zimafuna mabatire osinthasintha omwe amapindika ndi thupi la munthu. Kusinthasintha kwa makina a Graphene kumapangitsa kuti ikhale yoyenera pa izi. Netiweki ya graphene imasunga mphamvu yoyendetsera magetsi ngakhale batire ikapindika kangapo. Zowonjezera zachikhalidwe za kaboni zimasweka zikapindika mobwerezabwereza, zomwe zimapangitsa kuti batire iwonongeke mwadzidzidzi.

Umboni wochokera m'maphunzirowa ukusonyeza kuti pali mfundo zomveka bwino. Ufa wa nanographene umapereka kusintha koyezeka pa ntchito zosiyanasiyana. Kaya mumapanga mabatire a EV kapena zamagetsi ang'onoang'ono, izi zimawonjezera magwiridwe antchito a chinthu chanu. Pali zovuta zogwirizanitsa, koma phindu la magwiridwe antchito limatsimikizira khama lanu.

Ufa wa nano graphene umalimbana ndi zinthu zitatu zopha mphamvu: kupsinjika kwa makina, kusakhazikika kwa SEI, ndi kuyika kwa lithiamu. Mumapeza netiweki yokhazikika yoyendetsera magetsi yomwe imasunga mphamvu kwa ma cycle mazana ambiri. Zinthuzi zikuyimira kusintha kwakukulu pakupanga batri, osati kusintha pang'ono. Ndi zosankha zokulirapo monga Nano Graphene Powder CAS 1034343-98-0 Factory Price For Battery Grade, kugwiritsa ntchito kumakula mwachangu. Mabatire a m'badwo wotsatira mwina adzaphatikizapo graphene ngati gawo lokhazikika.

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