1. Undoqo weMveliso
I-Spherical Graphite Raw Material yimathiriyeli engundoqo esisiseko eyenziwe kwigraphite yendalo njengemathiriyeli yokuqala ekrwada, ecutshungulwa ngokweenkqubo ezingundoqo ezifana nokucocwa ngokwasemzimbeni kunye nokuhlela ngokuchanekileyo. Ixabiso layo eliphambili lilele ekugcineni ubume beflake obukhethekileyo begraphite yendalo, ngelixa inobucwebe obuphezulu, i-conductivity egqwesileyo kunye ne-thermal conductivity, kunye nezinye iipropathi zomzimba nezekhemikhali. Njengondoqo wemathiriyeli ekrwada yokulungiselela igraphite engqukuva, likhonkco eliphambili phakathi kwemithombo yendalo yegraphite kunye -nemathiriyeli esebenzayo yokugqibela efana neebhetri zelithium kunye nemathiriyeli yokuqhuba. Inokubonelela ngenkxaso engundoqo yokuphucula ukusebenza kweemveliso zegraphite ezisezantsi, ukuqinisekisa uzinzo kunye nokusebenza kakuhle kwezicelo ze-terminal.
2. IiParameters zobuGcisa
|
Iimpawu zobuGcisa |
Iyunithi |
Umda oqhelekileyo |
Imiyalelo |
|
Isiqulatho seCarbon esisigxina |
% |
90.0-99.9 |
Iimpawu zokucoceka ezingundoqo zihlelwa ngokwamanqanaba ahlukeneyo ngokusekelwe kwiimfuno zesicelo esisezantsi (ezifana ne-95%, 99%, 99.9%, njl.), kunye nococeko oluphezulu lufaneleke ngakumbi kwiimeko zokugqibela eziphezulu ({4}ezifana nokucoceka okuphezulu kulungele i-lithium{5}} intsimi ye-ion) |
|
Ubungakanani bomlinganiselo |
mm |
0.15-0.8 |
Inkxaso yokwenziwa ngokwezifiso kweentlobo ezahlukeneyo zobungakanani bemilinganiselo esekelwe kwiimfuno zabathengi bomntu, kunye neenkcukacha eziqhelekileyo ezibandakanya i-0.15-0.3mm, 0.3-0.5mm, kunye ne-0.5-0.8mm. Ubungakanani obahlukeneyo buhambelana neendlela ezahlukeneyo zokucwangcisa |
|
Isiqulatho sothuthu |
% |
Ngaphantsi okanye ilingana no 0.5-5.0 |
Kukho unxulumano olubi phakathi komxholo wekhabhoni esisigxina kunye nomxholo wothuthu. Ukuphakama komxholo wekhabhoni osisigxina, ungaphantsi komgangatho womlotha. Umxholo ophantsi womlotha unokunciphisa imiphumo emibi ekusebenzeni kwemveliso ephantsi |
|
Umxholo wokufuma |
% |
Ngaphantsi okanye ilingana no-0.5 |
Iimpawu eziphambili zozinzo lokugcina, ukulawula ukufuma kunokuphepha ukugoba kwemveliso okanye ukuwohloka ngexesha lokugcinwa, ukuqinisekisa ukucutshungulwa okulandelayo |
|
Umxholo oguquguqukayo |
% |
Ngaphantsi okanye ilingana no 1.0 |
Ibhekisa kumxholo wezinto eziguquguqukayo kwimveliso phantsi kweemeko ezithile zobushushu. Umcimbi oguquguqukayo ogqithisileyo unokuchaphazela uzinzo lwenkqubo kwaye kufuneka ulawulwe ngokungqongqo |
|
Ixabiso le-pH |
- |
6.0-8.0 |
Imveliso iyonke ayithathi hlangothi okanye i-alkaline ebuthathaka, enokunciphisa ukubola kwizixhobo zokusebenza kwaye igweme ukuphazamisana neempawu zeekhemikhali zeemveliso ezisezantsi. |
|
Umxholo wesulfure |
% |
Ngaphantsi okanye ilingana no-0.05 |
Izalathisi ezibalulekileyo zokungacoceki eziyingozi, ngakumbi ezo zinempembelelo enkulu ekusebenzeni kwebhayisikile kunye nokusebenza kwe-conductivity yeemveliso zebhetri ye-lithium, zifuna imida engqongqo ephezulu. |
|
Umxholo wentsimbi |
% |
Ngaphantsi okanye ilingana no-0.02 |
Iimpawu zokungacoceki eziyingozi ezingundoqo, umxholo wesinyithi ogqithisileyo unokukhokelela ekunciphiseni ukuhanjiswa kunye nobomi obufutshane bomjikelezo weemveliso ezisezantsi, ezifuna ulawulo oluchanekileyo lomxholo. |
3.Iimpawu zeMveliso
Iimpawu ezahlukileyo zemofoloji: Isakhiwo esipheleleyo siqhelekileyo ngendlela yeeflakes okanye izikali, ezinobubanzi obuvela kwi-0.15-0.8mm. Ubukhulu buncinci, kwaye imbonakalo yisilivere engwevu okanye engwevu emnyama kunye ne-metallic luster. Ubuninzi bokupakisha bukwinqanaba eliphakathi. Olu phawu lwe-morphological lulungele amanyathelo okucubungula alandelayo afana nokutyumza kunye ne-spheroidization, ukunciphisa ubunzima benkqubo.
Uncedo olubalulekileyo{0}}lobunyulu: Ngeenkqubo zokucoca eziphambili, umxholo wekhabhoni oqingqiweyo wemveliso unokufikelela ngaphezu kwe-90% -99.9%, kwaye umxholo womlotha ohambelanayo uphantsi kakhulu (ngokuqhelekileyo Ngaphantsi okanye ulingana no-0.5% -5%, kunye namaxabiso athile ahlengahlengiswa ngokwezinga lokucoceka). Ukongezelela, umxholo wokungcola okufana ne-silicon, i-aluminium, kunye nentsimbi ilawulwa ngokungqongqo kwinqanaba eliphantsi, elinokuthi liphephe ngokufanelekileyo iingxaki zokuphazamiseka kwentsebenzo kwiinkqubo zokuvelisa imveliso ephantsi kunye nokuphucula umgangatho weemveliso zokugqibela.
Iimpawu ezigqwesileyo nezizinzileyo zomzimba kunye neekhemikhali: Ibonakaliswe nge-crystallinity ephezulu, i-interlayer adhesion ebuthathaka, kunye ne-interlayer sliding elula, ebonelela ngokulula ukusetyenzwa kunye nokwenza; Kwangaxeshanye, ine-conductivity entle kunye ne-thermal conductivity, kwaye inozinzo olomeleleyo lwekhemikhali kwiindawo ezintsonkothileyo ezifana nobushushu obuphezulu, iasidi kunye ne-alkali, nto leyo eyenza kube nzima ukujamelana neekhemikhali, nto leyo enokuqinisekisa ukusebenza{0}} okuzinzile kwexesha elide kwiimveliso ezilandelayo kunye nokwandisa ubomi babo benkonzo.
Ulungelelwaniso olubanzi lokuqhuba: Ulwakhiwo lwesikali esikhethekileyo senza kube lula ukwenza amasuntswana aqhelekileyo angqukuva ngexesha lokutyumza kunye neenkqubo ze-spheroidization. Emva kokwenza, imveliso ine-sphericity ephezulu kunye nomphezulu ogudileyo, onokuthi ulungelelanise iimfuno zemveliso yeenkcazo ezahlukeneyo zegraphite engqukuva. Isenokuhlengahlengiswa ngokuguquguqukayo ngokweeparamitha zokusetyenzwa kwangempela ukuhlangabezana neemeko ezahlukeneyo zemveliso.
4. Ukusetyenziswa kweMveliso
Izinto ezisisiseko ze-lithium yebhetri engalunganga ye-electrode: Le yeyona ndawo iphambili yesicelo sale mveliso. Emva koluhlu lweenkqubo ezifana nokutyumza, i-spheroidization, i-coating, kunye ne-carbonization, inokucutshungulwa kwi-graphite ye-spherical, enokusetyenziswa njengento engafanelekanga ye-electrode ye-lithium - ibhetri ye-ion. Isetyenziswa ngokubanzi kwiibhetri zamandla (ezifanelekileyo kwizithuthi zamandla amatsha), iibhetri zokugcina amandla (ezisetyenziselwa izikhululo zamandla okugcina amandla, ukugcinwa kwamandla endlu, njl.), kunye neebhetri zabathengi (ezifana neselula, i-laptop, ithebhulethi kunye nezinye iibhetri zesixhobo). Inokubonelela ngesikhundla esiphezulu, ubomi bomjikelo omde, kunye nokutshaja okugqwesileyo kunye nokukhupha ukusebenza kweebhetri, kwaye incede ukukhuthaza uphuhliso lweshishini lebhetri ye-lithium{5}}.
Iifayili eziphambili kwintsimi yezinto zokuqhuba: Inokongezwa njengezahlulo eziqhubayo kwizinto ezisisiseko ezifana neeplastiki, irabha, kunye neengubo zokwaleka ukulungiselela imathiriyeli edityanisiweyo, ezithi zisetyenziswe kwicasing yecandelo lombane (ukuphucula isakhono -esisimo), izinto zokupakisha ezichasayo ({1}}ukunqanda umonakalo kwiimveliso zangaphakathi ezibangelwa ngumbane ongaguqukiyo), iingubo zokuqhuba (ezisetyenziselwa ukuhanjiswa kwezixhobo zombane kunye nokuphucula izixhobo zombane), ukuphuculwa kwezixhobo zombane kunye nokuphucula izixhobo zombane. ukunciphisa iingozi zombane omileyo.
Icandelo elibalulekileyo loshishino lwezixhobo ezichasayo: Ngokumelana nobushushu obuphezulu obuphezulu kunye nokumelana nokukhukuliseka kwe-slag, ingasetyenziselwa ukuvelisa izitena eziphikisayo (ezisetyenziselwa ukufakwa kwentsimbi kunye ne-metallurgical kilns), i-refractory coatings (esetyenziselwa ukukhusela ubushushu obuphezulu bezixhobo ze-industrial), ii-crucibles (ezisetyenziselwa ukunyibilika kwetsimbi) kunye nezinye izinto eziphikisayo. Ingaphucula kakhulu ubomi benkonzo kunye nokuxhathisa ubushushu obuphezulu beemveliso ezichasayo, iqinisekisa imveliso ezinzileyo yemizi-mveliso yemveliso yobushushu obuphezulu -.
Ezinye izicelo ezininzi ezisebenzayo: I-Spherical Graphite Raw Material ingasetyenziswa kwi-lubricant (ukunciphisa i-friction coefficient ngokusebenzisa i-interlayer sliding, ilungele ukuthanjiswa kwecandelo lomatshini), imathiriyeli yokutywina (esetyenziselwa ukutywinwa kwemibhobho kunye nesixhobo sokutywina ngokutywinwa kokusebenza kakuhle), imathiriyeli yokuqhobosha (ukuphucula ukumelana nokunxitywa, kusetyenziswe kwiimoto kunye nezinye iinkqubo ezihambelana nemveliso ehambelanayo nemveliso esebenzayo)
Iifayile ezishisayo: igrafu imathiriyeli ekrwada, China abavelisi bezinto ezingqukuva zegraphite ekrwada
