Muna amfani da kukis don inganta ƙwarewar ku.Ta ci gaba da bincika wannan rukunin yanar gizon, kun yarda da amfani da kukis.Karin bayani.
Yayin da masana'antar motocin lantarki (EV) ke haɓaka, haka kuma bincike da haɓaka batir lithium-ion masu inganci waɗanda ke ƙarfafa su.Bincike da fadada fasahar caji da sauri, da kuma tsawaita rayuwar batir, ayyuka ne masu mahimmanci a cikin ci gabansa.
Dalilai da yawa, irin su halayen haɗin lantarki-electrolyte, watsawar lithium ion, da porosity na lantarki, na iya taimakawa wajen shawo kan waɗannan matsalolin da samun saurin caji da tsawaita rayuwa.
A cikin ƴan shekarun da suka gabata, nau'ikan nanomaterials masu girma biyu (2D) (tsararrun zanen ƴan nanometer masu kauri) sun fito a matsayin yuwuwar kayan anode don baturan lithium-ion.Waɗannan nanosheets suna da girman girman rukunin yanar gizon aiki da ƙimar yanayin girma, waɗanda ke ba da gudummawa ga caji mai sauri da kyawawan halaye na keke.
Musamman, nau'ikan nanomaterials masu girma biyu bisa tushen canjin ƙarfe na canji (TDM) sun ja hankalin al'ummar kimiyya.Godiya ga jiragen saƙar zuma na zarra na boron da ƙarafa masu yawa na canzawa, TMDs suna nuna babban gudu da kwanciyar hankali na dogon lokaci na hawan lithium ion.
A halin yanzu, ƙungiyar bincike karkashin jagorancin Farfesa Noriyoshi Matsumi na Cibiyar Kimiyya da Fasaha ta Japan (JAIST) da Farfesa Kabir Jasuja na Cibiyar Fasaha ta Indiya (IIT) Gandhinagar suna aiki don ƙara gano yiwuwar ajiyar TMD.
Kungiyar ta gudanar da binciken matukin jirgi na farko akan ajiyar nanosheets na titanium diboride (TiB2) a matsayin kayan anode don batirin lithium-ion.Ƙungiyar ta haɗa da Rajshekar Badam, tsohon JAIST Senior Lecturer, Koichi Higashimin, JAIST Technical Expert, Akash Varma, tsohon dalibin digiri na JAIST, da Dr. Asha Lisa James, IIT Gandhinagar dalibi.
An buga cikakkun bayanan binciken su a cikin ACS Applied Nano Materials kuma za a samu akan layi ranar 19 ga Satumba, 2022.
An samo TGNS ta hanyar oxidation na TiB2 foda tare da hydrogen peroxide tare da centrifugation da lyophilization na maganin.
Abin da ke sa aikinmu ya yi fice shi ne haɓakar hanyoyin da aka haɓaka don haɗa waɗannan nanosheets na TiB2.Don juya kowane nanomaterial zuwa fasaha na zahiri, scalability shine iyakanceccen abu.Hanyar mu ta roba tana buƙatar tashin hankali kawai kuma baya buƙatar nagartaccen kayan aiki.Wannan ya faru ne saboda rarrabuwar kawuna da halayen recrystallization na TiB2, wanda wani bincike ne na bazata wanda ya sa wannan aikin ya zama gada mai ban sha'awa daga dakin gwaje-gwaje zuwa filin.
Daga baya, masu binciken sun tsara kwayar ta anode lithium-ion rabin tantanin halitta ta amfani da THNS a matsayin abu mai aiki na anode kuma sun binciki kaddarorin ajiya na THNS na tushen anode.
Masu binciken sun koyi cewa anode na tushen THNS yana da babban ƙarfin fitarwa na 380 mAh/g a yawan adadin yanzu na 0.025 A/g.Bugu da ƙari, sun lura da ƙarfin fitarwa na 174mAh / g a babban adadin halin yanzu na 1A/g, ikon riƙewa na 89.7%, da lokacin cajin minti 10 bayan hawan 1000.
Bugu da kari, lithium-ion anodes na tushen THNS na iya jure magudanar ruwa, daga kusan 15 zuwa 20 A/g, yana ba da caji mai sauri cikin kusan daƙiƙa 9-14.A babban igiyoyin ruwa, riƙewar iya aiki ya wuce 80% bayan zagayowar 10,000.
Sakamakon wannan binciken ya nuna cewa 2D TiB2 nanosheets sun dace da 'yan takara don yin saurin cajin batirin lithium-ion na tsawon rai.Hakanan suna haskaka fa'idodin nanoscale kayan girma kamar TiB2 don kyawawan kaddarorin da suka haɗa da ingantacciyar ƙarfin saurin gudu, ajiyar cajin pseudocapacitive da kyakkyawan aikin hawan keke.
Wannan fasahar caji mai sauri na iya hanzarta yaduwar motocin lantarki tare da rage lokacin jira don cajin na'urorin lantarki daban-daban na hannu.Muna fatan sakamakonmu zai kara zurfafa bincike a wannan fanni, wanda a karshe zai iya kawo sauki ga masu amfani da EV, da rage gurbacewar iska a birane, da rage radadin da ke tattare da rayuwar wayar salula, ta yadda za a kara samar da ci gaban al’ummarmu.
Kungiyar na sa ran za a yi amfani da wannan fasaha mai ban mamaki a cikin motocin lantarki da sauran kayan lantarki nan ba da jimawa ba.
Varma, A., et al.(2022) Nanosheets masu tsari bisa tushen titanium diboride azaman kayan anode don baturan lithium-ion.Aiwatar da nanomaterials ACS.doi.org/10.1021/acsanm.2c03054.
A cikin wannan hira a Pittcon 2023 a Philadelphia, PA, mun yi magana da Dokta Jeffrey Dick game da aikinsa a cikin ƙananan ƙwayoyin sunadarai da kayan aikin nanoelectrochemical.
Anan, AZoNano yayi magana da Drigent Acoustics game da fa'idodin graphene zai iya kawowa ga fasahar sauti da sauti, da kuma yadda alakar kamfani da tutar graphene ta haifar da nasarar sa.
A cikin wannan hira, Brian Crawford na KLA ya bayyana duk abin da ya kamata a sani game da nanoindentation, kalubale na yanzu da ke fuskantar filin, da kuma yadda za a shawo kan su.
Sabuwar AUTOsample-100 autosampler ya dace da benchtop 100 MHz NMR spectrometers.
Vistec SB3050-2 shine tsarin tsarin lithography na e-beam na zamani tare da fasahar katako mai lalacewa don aikace-aikace masu yawa a cikin bincike da ci gaba, samfuri da ƙananan samarwa.
Lokacin aikawa: Mayu-23-2023