Izixhobo ezintsha ze-graphite electrode zifikelele kuphuculo olukhulu kwiimpawu zoomatshini, iimpawu zobushushu, uzinzo lweekhemikhali, kunye nokukwazi ukucutshungulwa. Zimelwe yi-graphite eqiniswe yi-carbon fiber kunye ne-graphite ye-isostatic, impumelelo yazo ephambili yokusebenza kunye namaxabiso okusetyenziswa zezi zilandelayo:
I. I-Graphite Eqinisiweyo Yefayibha Yekhabhoni: Uphuculo Oluguqukayo Kwiipropati Zoomatshini
1. Amandla kunye nokunyuka kweModulus
Ngokungenisa inani elincinci le-graphene (0.075 wt%) kwi-PAN carbon fibers, amandla azo okutsalwa afikelela kwi-1916 MPa, kwaye i-Young's modulus ifikelela kwi-233 GPa, emele ukunyuka kwe-225% kunye ne-184%, ngokulandelelana, xa kuthelekiswa ne-PAN carbon fibers ecocekileyo. Olu phuculo luvela kwi-graphene yokwenza ngcono isakhiwo se-carbon fiber:
- Ukuncipha kwe-porosity: Ukongezwa kwe-graphene kunciphisa kakhulu ubungakanani be-pores zangaphakathi kunye ne-voids ngaphakathi kwi-fibers, phantse kususe ii-axial micropores kumanqanaba aphezulu (0.1 wt%), ngaloo ndlela kunciphisa amanqaku oxinzelelo.
- Ulwakhiwo lwegrafiti olucwangcisiweyo: I-Raman spectroscopy ityhila ukuba ii-nanosheets zegrafiti zijikelezwe lulwakhiwo lwegrafiti olwenziwe ngexesha le-PAN carbonization, nto leyo ebangela ukuba i-lattice yegrafiti epheleleyo ibe neempazamo ezimbalwa kunye nokuphuculwa kwendlela yokujonga ikristale.
2. Imizekelo yesicelo esandisiweyo
- I-Aerospace: Ii-graphite composites eziqiniswe ngefayibha yekhabhoni, ezinobunzima obuyi-60% kuphela kune-aluminium alloy kunye nokukwazi ukubumba njengento enye (ukunciphisa ukusetyenziswa kwe-fastener), zisetyenziswa kakhulu kwizakhiwo zeenqwelo-moya (umz., ukusetyenziswa kwezinto ezidityanisiweyo ezingama-50% kwiBoeing B-787), imizimba yezithuthi zokuqalisa, kunye neendawo zesathelayithi.
- Ukuveliswa kwezinto ezikumgangatho ophezulu: Ukumelana kwazo nokukhupha inkunkuma kwenza zibe yimfuneko kwiimpumlo zeenjini zerokhethi, izakhiwo zesiseko se-reactor yenyukliya, nakwezinye iindawo ezinobungozi.
II. I-Isostatic Graphite: Ulwahlulo Olupheleleyo Kwiipropati Ezininzi
1. Iipropati zoomatshini: Iintsimbi ezigqitha iintsimbi zemveli
- Amandla aphezulu kunye ne-isotropy: Ngokucinezela i-isostatic, amandla ayo okutsalwa adlula i-1000 MPa (edlula kakhulu iintsimbi eziqhelekileyo), kunye nomlinganiselo we-isotropy we-1.0–1.1, okususa iziphene ze-anisotropic ze-graphite eqhelekileyo.
- Uxinano oluphezulu kunye nokumelana nokuguguleka: Ngoxinano olukhulu lwe-1.95 g/cm³, amandla okugoba adlula i-80 MPa, kunye namandla okuxinanisa aqala kwi-200–260 MPa, ifanelekile ukuvelisa ii-brake pads, izitywini, kunye neebheringi ezisebenza kakuhle.
2. Iimpawu zobushushu: Uzinzo phantsi kweemeko ezinzima
- Ukumelana nobushushu obuphezulu kunye nokumelana nobushushu: Kwimozulu engasebenziyo, amandla ayo oomatshini afikelela kwi-2500°C, apho iqondo lokunyibilika liyi-3650°C kunye neqondo lokubilisa liyi-4827°C. I-coefficient yayo ephantsi yokwandiswa kobushushu inciphisa utshintsho olubonakalayo, okwenza ukuba ilungele ii-electrode ze-rocket ignition, ii-nozzles, kunye nezinye izinto ezisebenzisa ubushushu obuphezulu.
- Ukuqhuba okuphezulu kobushushu: Ukuqhuba kwayo okuhle kobushushu kwenza ukuba ubushushu buphele ngokukhawuleza, kuphucula ukusebenza kakuhle kwezixhobo, njengakwizixhobo ze-CZ-type single-crystal direct-pull furnace thermal field components (ii-crucibles, ii-heaters).
3. Uzinzo lweeKhemikhali: Ukumelana nokugqwala kunye nokumelana nokuxinana kwe-oxidation
Ihlala izinzile kwiiasidi ezinamandla, ii-alkali, kunye nezinyibilikisi zendalo, imelana nokukhukuliseka okuvela kwiintsimbi ezinyibilikisiweyo kunye neglasi, okwenza ifaneleke kwizikhongozeli zeekhemikhali, izakhiwo eziphambili ze-reactor yenyukliya, kunye nezinye iindawo ezinobungozi.
4. Ukuqhubekeka: Ukuguquguquka kunye nokuchaneka
Ingacutywa ngomatshini ibe yiyo nayiphi na imilo ukuze ihlangabezane neemfuno zoyilo oluntsonkothileyo, ezifana nee-electrodes zomatshini wokukhupha umbane kunye nee-graphite molds zokwenziwa kwesinyithi okuqhubekayo.
III. Uphuhliso lwemizi-mveliso kunye nezikhokelo zexesha elizayo zezinto ezintsha zeGraphite Electrode
1. Inkqubela phambili kwezemizi-mveliso
- I-graphite engabonakaliyo: Isabelo sayo semarike yehlabathi siyaqhubeka nokunyuka, kunye nokwandiswa kwamandla e-Indonesia naseMorocco okuqinisa ngakumbi isikhundla sayo kushishino.
- Igrafayithi eqiniswe ngefayibha yekhabhoni: Yamkelwe ngempumelelo ngabathengi beebhetri abaphambili bamazwe ngamazwe kwaye ikhokela uphuhliso lomgangatho wokuqala wamazwe ngamazwe,Inkcazelo eneenkcukacha ezingenanto kwiNano-Silicon Anode Materials kwiibhetri zeLithium-Ion.
2. Uphuhliso lweTekhnoloji yexesha elizayo
- Ukulungiswa kwezinto eziluhlaza: Ukunciphisa ubungakanani beenxalenye zesuntswana (umz., ngokuguqulwa komgubo we-coke wesibini ukuya kwi-2–5 μm) ukuphucula iipropati zoomatshini.
- Uphuhliso lwetekhnoloji yeGraphitization: Itekhnoloji yeGraphitization yeMicrowave inciphisa ukusetyenziswa kwamandla ngama-30% kwaye inciphisa imijikelo yemveliso, nto leyo eququzelela ukusetyenziswa okukhulu.
- Uyilo lwesakhiwo: Umzekelo, ii-anode ze-gradient grafiti ezi-dual-gradient zifikelela kwi-6-minute, 60% fast-charging capacity ngelixa zigcina uxinano lwamandla oluyi-≥230 Wh/kg ngokusasazwa kwe-dual gradient yobukhulu be-particle kunye ne-porosity.
Ixesha leposi: Julayi-31-2025