Nava: Ma elekitirodi athu a nanotube ali ndi mphamvu kuwirikiza katatu ndipo amapereka mphamvu kuwirikiza ka 3 mphamvu zama cell a lithiamu-ion.
Sabata yatsopano, batire yatsopano. Wopanga supercapacitor waku France Nawa akuti ayamba kupanga ma elekitirodi atsopano a nanotube a mabatire a lithiamu-ion. Zimaganiziridwa kuti chifukwa cha dongosolo lofananira la nanotubes, amatha kusunga ndalama zambiri katatu kuposa carbon anode.
Ma anode atsopano a 3D ochokera ku Nawa: amphamvu, abwinoko, achangu, amphamvu
Masiku ano ma lithiamu-ion anode amapangidwa makamaka pogwiritsa ntchito graphite kapena activated carbon (kapena ngakhale adamulowetsa mpweya kuchokera graphite) chifukwa kapangidwe kawo porous amalola kusungirako kuchuluka kwa ayoni. Nthawi zina mpweya umasakanizidwa ndi silicon ndikuzunguliridwa ndi nanocoating kuti achepetse kutupa kwa zinthuzo.
Mutha kumva kale za zopangira kugwiritsa ntchito silicon yoyera, akuti Tesla kapena Samsung SDI.
> Zatsopano zatsopano za Tesla: mawonekedwe 4680, silicon anode, "m'mimba mwake mwabwino", kupanga mndandanda mu 2022.
Nava akunena kuti mapangidwe a carbon ndi ovuta kwambiri kuti azitha kuyenda. M'malo mwa kaboni, kampaniyo ikufuna kugwiritsa ntchito ma nanotubes a carbon, omwe akuti akugwiritsidwa ntchito kale m'ma supercapacitor opanga. Ma nanotubes opangidwa mofananira "notches" ofukula pomwe ma ion amatha kukhazikika bwino. Kwenikweni:
Zingaganizidwe kuti ma nanotubes onse mu anode ali m'njira yoti ma ions amayenda momasuka pakati pawo mpaka malo abwino asankhidwa. "Popanda kuyendayenda mozungulira ma porous anode akale, ma ion amangoyenda ma nanometer ochepa m'malo mwa ma micrometer, monga momwe zimakhalira ndi ma electrode akale," akutero Nava.
Mawu otsiriza amasonyeza kuti nanotubes amathanso kukhala ngati cathodes - ntchito yawo idzadalira zinthu zomwe zidzakhala pamwamba pawo. Nef sichiletsa kugwiritsa ntchito silicon chifukwa ma carbon nanotubes adzayimanga ngati khola, kotero kuti mawonekedwewo sadzakhala ndi mwayi wotupa. Vuto la Crush lathetsedwa!
> Gwiritsani ntchito ma cell a lithiamu-ion okhala ndi silicon anode. Kulipiritsa mwachangu kuposa kuthira mafuta ndi haidrojeni
Ndipo zikanakhala bwanji ndi magawo a maselo ogwiritsira ntchito nanotubes? Chabwino, iwo angalole:
- ntchito Nthawi 10 zowonjezera mphamvu zowonjezera ndi kutulutsachiyani tsopano
- chilengedwe mabatire okhala ndi kachulukidwe mphamvu 2-3 nthawi apamwamba kuyambira amasiku ano,
- kukulitsa moyo wa batri kasanu kapenanso kakhumichifukwa nanotubes sangalole njira zomwe zimawononga maselo a lithiamu-ion (gwero).
Njira yokhayo yolumikizira ma nanotubes motsatana iyenera kukhala yophweka, yomwe imaganiziridwa kuti ndi njira yomweyi yomwe imagwiritsidwa ntchito kuvala magalasi ndi maselo a photovoltaic ndi anti-reflective ❖ kuyanika. Nawa amadzitamandira kuti amatha kukulitsa ma nanotubes ofananira mwachangu mpaka ma micrometer 100 (0,1 mm) pamphindi - ndipo amagwiritsa ntchito ukadaulo uwu pamakina ake apamwamba.
Ngati zonena za Nava zinali zoona ndipo ma elekitirodi atsopano adagulitsidwa, izi zikutanthauza kwa ife:
- magalimoto amagetsi ndi opepuka kuposa magalimoto oyatsira mkati koma ndi osiyanasiyana,
- kutha kulipiritsa magetsi ndi mphamvu ya 500 ... 1 ... 000 kW, yomwe ndi yaifupi kuposa kuwonjezera mafuta,
- kuwonjezeka kwa mtunda wamagetsi amagetsi popanda kufunika kosintha batri kuchokera pa 300-600 zikwi kufika makilomita 1,5-3-6 miliyoni,
- ndikusunga kukula kwa batri: yobwereketsa, tinene, kamodzi pa milungu iwiri iliyonse.
Mnzake woyamba wa Navah ndi Saft wopanga mabatire aku France, omwe akugwirizana ndi PSA Group ndi Renault monga gawo la European Battery Alliance.
Chithunzi choyambirira: nanotubes mu Nawa electrode (c) Nawa
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