Mukugadzirwa kwemabhatiri e-lithium-ion, maitiro ekuputira, sechinongedzo chakakosha, anokanganisa zvakananga mashandiro uye kuchengetedzeka kwemabhatiri. Kugadzikana kwepuratifomu yekudzora kufamba kwemuchina wekuputira bhatiri re lithium kunoita basa guru mukunyatsorongeka kwekuputira. Granite nesimbi yakakandwa, sezvinhu zvinowanzoshandiswa papuratifomu, musiyano mukugadzikana kwavo kwakakwezva kutariswa kukuru. Chinyorwa chino chichaongorora zvakadzama kuvandudzwa kwakakosha mukugadzikana kwegiraini zvichienzaniswa nesimbi yakakandwa papuratifomu yekudzora kufamba kwemuchina wekuputira bhatiri re lithium kuburikidza nezvivakwa zvezvinhu, data rekuyedza uye zviitiko zvekushandisa zvinoshanda.
Hunhu hwezvinhu hunosarudza hwaro hwekugadzikana
Simbi yakakandwa, sechishandiso chekare cheindasitiri, yaimboshandiswa zvakanyanya mumunda wepuratifomu dzekudzora kufamba nekuda kwekushanda kwayo kwakanaka kwekukanda uye zvakanakira mutengo. Zvisinei, zvinhu zvesimbi yakakandwa zvine zvikanganiso zvemuviri. Chimiro chayo chemukati chine huwandu hwakawanda hwegrafiti yakakandwa, iyo yakaenzana nekutsemuka kwemukati uye inoderedza kuomarara kwezvinhu zvacho. Panguva imwecheteyo, chiyero chekuwedzera kwekushisa kwesimbi yakakandwa chakakwira, chingangoita 10-12 × 10⁻⁶/℃. Pasi pekuunganidzwa kwekupisa kunokonzerwa nekushanda kwenguva refu kwe lithium battery coating, inowanzo shanduka. Pamusoro pezvo, kune kushushikana kwekupisa mukati mesimbi yakakandwa. Nekufamba kwenguva, kusunungurwa kwekutambudzika kuchakonzera shanduko dzisingadzoreki muhukuru hwepuratifomu, zvichikanganisa kurongeka kwe coating.
Granite chinhu chechisikigo chakagadzirwa kuburikidza nemaitiro e geological kwemazana emamiriyoni emakore. Maumbirwo ayo emukati mekristaro akakora uye akafanana, uye ane kugadzikana kwakanyanya. Kuwanda kwekuwedzera kwegranite kunongova 0.5-8×10⁻⁶/℃, inova 1/2-1/3 yesimbi yakakandwa, uye hainzwisisi zvakanyanya kuchinja kwekushisa. Panguva imwecheteyo, granite yakaoma muchimiro, ine simba rekumanikidza rinosvika 1,050-14,000 kg pa square centimeter. Inogona kudzivirira zvinobudirira kukanganiswa kwesimba rekunze uye kudedera, ichipa hwaro hwakasimba uye hwakagadzikana hwepuratifomu yekudzora kufamba. Hakuna kushushikana kwakasara mukati mayo, uye haizokonzere shanduko dzehukuru nekuda kwekusunungurwa kwekushushikana, ichivimbisa kugadzikana kwehukuru hwepuratifomu kubva pachinhu chacho.
Ruzivo rwekuyedza runosimbisa musiyano wekushanda
Kuti vaenzanise musiyano uripo pakati pegranite nesimbi yakakandwa, timu yekutsvagisa yakaita kuyedza kwakakosha. Mapuratifomu maviri ekudzora mafambiro emuchina wekugadzira bhatiri re lithium ane chimiro chimwe chete akasarudzwa, akagadzirwa negranite nesimbi yakakandwa zvakateerana, uye akaedzwa pasi pemamiriro akafanana ezvakatipoteredza. Kuyedza uku kwakatevedzera mamiriro chaiwo ekushanda kwemuchina wekugadzira bhatiri re lithium. Nekushandisa michina nguva dzose, shanduko dzehukuru hwepuratifomu panguva dzakasiyana dzakatariswa.
Mhedzisiro yekuedza inoratidza kuti mushure mekushanda kwenguva refu kwemaawa makumi maviri nemana, nekuda kwekupisa kunogadzirwa nekushanda kwemidziyo, tembiricha yepamusoro pepuratifomu yesimbi yakawedzerwa neinenge 15℃, zvichikonzera kuwedzera kwe0.03mm muhurefu hwepuratifomu. Pasi pemamiriro akafanana, kusiyana kwehukuru hwepuratifomu yegranite hakunyanyi kukosha, uye huwandu hwayo hwekuchinja-chinja hushoma pane 0.005mm. Mushure memaawa chiuru ekuyedza kukwegura kwenguva refu, nekuda kwekuburitswa kwekumanikidzwa kwemukati uye kuunganidzwa kwekushanduka kwekupisa, kukanganisa kwe flatness kwepuratifomu yesimbi yakawedzerwa kubva pa0.01mm yekutanga kusvika pa0.05mm. Kukanganisa kwe flatness kwepuratifomu yegranite kunogara kuri mukati me0.015mm, uye mukana wekugadzikana kwe dimensional uri pachena.
Kubudirira kunoshamisa mukushandiswa kunoshanda
Mukugadzirwa chaiko kwekambani hombe yekugadzira mabhatiri e lithium, mapuratifomu ekudzora kufamba kwesimbi akashandiswa kare. Sezvo nguva yekushanda kwemidziyo yakawedzera, kururama kwekuputira kwakadzikira zvishoma nezvishoma, zvichikonzera ukobvu hwekuputira husina kuenzana, kugadzikana kusina kunaka kwema electrode sheets ebhatiri, uye chiyero chechigadzirwa chakakanganisika chakasvika 8%. Kuti vagadzirise dambudziko iri, kambani iyi yakatsiva mapuratifomu ekudzora kufamba kwemidziyo nemimwe michina nezvinhu zvegranite.
Mushure mekuchinjwa, kugadzikana kwemidziyo kwakavandudzika zvakanyanya. Munguva yemwedzi mitanhatu yekugadzira, muchina wekuputira uchishandisa granite platform waigara uchichengetedza kukanganisa kweukobvu hwe coating mukati me ±2μm, uye mwero wezvigadzirwa zvisina kunaka wakadzikiswa zvakanyanya kusvika pasi pe3%. Panguva iyi, sezvo mapuratifomu egranite asingade kuyera nekugadzirisa kwakaringana semapuratifomu esimbi, anochengetedza mabhizinesi mari yakawanda yekugadzirisa michina uye nguva yekusashanda gore rega rega, uye anowedzera kushanda zvakanaka kwekugadzira neinopfuura 15%.
Mukupedzisa, mukushandiswa kwepuratifomu yekudzora kufamba kwemuchina we lithium battery coating, granite, ine hunhu hwayo hwakanaka, inoshanda zvakanyanya kupfuura simbi yakakandwa maererano nekugadzikana kwehukuru. Ingave kubva pamaonero ezvisikwa, data rekuyedza, kana mhedzisiro yekushandiswa, granite inopa vimbiso yakavimbika yekugadzirwa kwakanyatsojeka uye kwakasimba kwemaitiro ekudzivirira lithium battery. Nekuvandudzwa kuri kuramba kuchiitwa kwezvinodiwa zvemhando yepamusoro muindasitiri ye lithium battery, mapuratifomu ekudzora kufamba akagadzirwa ne granite achave sarudzo huru muindasitiri.
Nguva yekutumira: Chivabvu-22-2025