Ukutyhila imiphetho ye-wavy yee-electrode zebhetri ye-lithium

Kweli xesha lanamhlanje lophuhliso olukhawulezayo lwetekhnoloji, iibhetri ze-lithium, njengomthombo wamandla wezixhobo ezininzi zombane, zinomsebenzi obalulekileyo kunye nomgangatho. Nangona kunjalo, into ebonakala ingenamsebenzi enokubangela iingxaki ezinkulu-i-wavy edges ye-lithium battery electrode-ichaphazela ngokuzolileyo ukusebenza kweebhetri.

I. Yintoni imiphetho yamaza yee-electrode zebhetri ye-lithium?

Imiphetho ye-wavy ye-lithium yebhetri ye-electrodes ibhekisela kwi-wavy undulations engaqhelekanga kwimida ye-electrodes, engasekho kwi-flat state. Lo mda ongalinganiyo awukho nje umcimbi wokuchaphazela ukubonakala kwebhetri.
II. Yenziwa njani imiphetho yamaza yee-electrode?

1. Izinto eziphathekayo: Iimpawu eziphathekayo ze-lithium battery electrode zibaluleke kakhulu. Ukuba uxinzelelo lwemveliso alunelanga okanye lusasazwa ngokungalingani, kulula ukuguqulwa xa uphantsi kwamandla angaphandle ngexesha lenkqubo yokuvelisa, kwaye emva koko kubonakala imiphetho ye-wavy. Ngokomzekelo, ezinye izinto zinokuba neepropati ezimbi zemishini ngenxa yokuqulunqwa okungagqibekanga okanye iinkqubo ezichanekileyo zokulungiselela kwaye azikwazi ukumelana ngempumelelo namandla angaphandle.
2. Iingxaki zezixhobo: Ukuchaneka kunye nokuzinza kwezixhobo zokwenza ii-electrode zebhetri ze-lithium zichaza ngokuthe ngqo umgangatho wee-electrode. Ukuchaneka okunganelanga kwe-coater kuya kukhokelela kwi-coating engalinganiyo ye-slurry. Ukunyanzeliswa kwe-roll engalinganiyo ye-roller press kuya kubangela uxinzelelo olungahambelaniyo kwi-electrodes. Ukunxitywa kwesixhobo se-slitter kunokukhokelela kwimiphetho engalinganiyo. Ezi ngxaki zinokuthi zonke zibangele imiphetho yamaza yee-electrode.
3. Inkqubo yokwambathisa kunye nokomisa: Ngexesha lenkqubo yokugquma, ukuba isantya sokutya kunye nobukhulu be-slurry ayilawulwa ngokufanelekileyo, okanye ukuba iqondo lokushisa kunye nesantya somoya azilingani ngexesha lokumisa, ukuhanjiswa koxinzelelo lwangaphakathi lwee-electrode kuya kungalingani, kubeka iingozi ezifihlakeleyo. kwimbonakalo elandelayo yeencam zamaza.
4. Ubunzima be-electrode obungalinganiyo: Ubukhulu obungahambelaniyo be-electrode buya kubangela uxinzelelo olwahlukeneyo kunye neemeko zoguquko kwiindawo ezibhityileyo nezityebileyo ngexesha lokusetyenzwa kunye nokusetyenziswa, kwaye kulula ukuvelisa imiphetho yamaza. Ngokomzekelo, kwezinye iikhonkco zemveliso, ukungafani kobuninzi be-electrode kungenzeka ngenxa yokulungiswa kwezixhobo ezingafanelekanga okanye iiparitha zenkqubo engazinzanga.

III. Zeziphi iimpembelelo eziziswa yimiphetho yamaza yee-electrode?

1. Umrhumo ophazamisekileyo kunye nokusebenza kokukhutshwa: Imida ye-wavy ye-electrode edges iya kukhokelela ekuhanjisweni okungalinganiyo kwangoku kwindawo ye-electrode. Ngexesha lokutshaja, ukugqithiswa kwendawo yangoku kunokubangela i-lithium plating; ngexesha lokukhupha, indawo yoxinaniso yangoku inokufikelela kwi-voltage yokukhupha i-discharge cut-off ngaphambi kwexesha, ngaloo ndlela inciphisa umthamo kunye nokuphuma kwamandla ebhetri. Khawucinge ukuba ifowuni yakho inokuba neengxaki ezifana nesantya sokutshaja esicothayo kunye nokufudumeza okunzulu ngexesha lokutshaja, kwaye inokuphelelwa ngamandla ngokukhawuleza ngexesha lokutshaja. Zonke ezi zibangelwa ngamacande e-wavy ee-electrode.
2. Ubomi bomjikelo obufutshane: Uxinzelelo lwangaphakathi olungalinganiyo olubangelwa yimiphetho ye-wavy luqokelela kwaye luqina ngokuqhubekayo ngexesha lokuhlawuliswa okuphindaphindiweyo kunye nenkqubo yokukhupha ibhetri, ekhokelela ekutshatyalaliswa kwesakhiwo se-electrode kunye nokuchithwa kwezinto ezisebenzayo. Oku kufana nomjikelo okhohlakeleyo oqhubeka usenza buthathaka ukusebenza kwebhetri kwaye wenze bufutshane kakhulu ubomi bayo.
3. Ukunyuka kweengozi zokhuseleko: Imiphetho ye-electrode engalinganiyo iya kubangela usasazo loxinzelelo olungalinganiyo ngaphakathi kwebhetri, nto leyo enokukhokelela kwizinto ezingaqhelekanga ezifana nokwandiswa kunye nokucutheka kwebhetri. Kwiimeko ezinzima, kunokubangela iingxaki zokhuseleko ezinje ngeesekethe ezimfutshane kunye nokubaleka kwe-thermal, ezibeka isoyikiso kubomi bethu nakwipropathi.
4. Ukunciphisa umthamo kunye nokwanda kokuchasana kwangaphakathi: Imida ye-wavy ye-electrodes iya kuchaphazela indawo esebenzayo ye-electrodes kunye nokufana kwee-electrochemical reactions, ukunciphisa amandla ebhetri. Kwangaxeshanye, ulwabiwo olungalinganiyo lwangoku luya kwandisa ukuchasana kwangaphakathi kwebhetri kunye nokunciphisa ukusebenza kwamandla kunye nokusebenza kwamandla ebhetri. Oku kuthetha ukuba isixhobo sakho sinokuba nobomi obufutshane bebhetri kunye nesantya sokubaleka esicothayo.

IV. Indlela yokusombulula ingxaki ye-wavy edges of electrode?

1. Khetha imathiriyeli ngobulumko: Khetha imathiriyeli eneempawu ezilungileyo zoomatshini kunye ne-microstructure efanayo. Ngokulungisa ukuqulunqwa kwezinto kunye nenkqubo yokulungiselela, ukuphucula uxinzelelo lwesivuno kunye nokufana kwezinto ze-electrode. Kufana nokwenza isikrweqe esomeleleyo sebhetri ukukhulisa amandla ayo okuxhathisa ukonakala.
2. Ukulawula ngokungqongqo ubukhulu: Ngethuba lenkqubo yokulungiselela i-electrode, sebenzisa i-high-precision coating, i-roll pressing kunye nezinye izixhobo kunye neenkqubo, kwaye ubeke iliso kunye nokulungelelanisa ubukhulu be-electrode ngexesha langempela ukuqinisekisa ukuhambelana kwayo ngaphakathi koluhlu oluvumelekileyo lwephutha. Oku kufana nokwenza idyasi efanelekileyo ibhetri ukuqinisekisa ukusebenza kwayo okuzinzileyo.
3. Ukugcinwa kwezixhobo kunye nokuphucula inkqubo: Gcina rhoqo kwaye ulungelelanise izixhobo zokuvelisa ukuqinisekisa ukuchaneka kwezixhobo kunye nokuzinza. Kwangaxeshanye, lungiselela iiparamitha zenkqubo ezinje ngesantya sokugquma, ubushushu bokomisa, kunye noxinzelelo loxinzelelo oluqengqelekayo ngokweempawu zemathiriyeli kunye neemfuno zemveliso. Kuphela ngokwenza izixhobo kunye nenkqubo ukusebenzisana ngokugqibeleleyo ukwenzeka kwee-wavy edges of electrode kuncitshiswe.
4. Lungisa inkqubo: Lungiselela isantya sokuhamba kwe-slurry, i-gap yokugqoka kunye nokulawula ukuxhatshazwa ngexesha lenkqubo yokugubungela ukuqinisekisa ukusabalalisa okufanayo kwe-slurry kwindawo ye-electrode kunye nokugcina ukulinganisela koxinzelelo ngexesha lokumisa. Kwinkqubo yokucubungula elandelayo, lawula ngokufanelekileyo ukunyanzeliswa kwe-electrode ukuze ugweme i-deformation ebangelwa ukuxhatshazwa okungafanelekanga.
5. Inkqubo ye-Hot roll kunye ne-roll ecinezela isantya sokulawula: Inkqubo eshushu ye-hot roll inokuphucula iipropati ezibonakalayo kunye nokunyuka komphezulu we-electrode. Ngokulawula isantya sokucinezela umqulu kunye nobushushu, ukuqokelelwa koxinzelelo kunye nokuguqulwa kwee-electrode ngexesha lenkqubo yokucofa i-roll kunokunciphisa ukudala i-electrode ecaba kunye negudileyo yebhetri.

V. Indlela yokufumanisa nokulawula imiphetho yamaza yee-electrode?

1. Ukufunyanwa kwe-microscope yamehlo: Le yindlela yokukhangela esetyenziswa ngokuqhelekileyo, enokuthi ibone ngokubonakalayo i-microscopic morphology ye-electrode edges kwaye iqhube uvavanyo lokuqala lwesidanga kunye neempawu ze-wavy edges. Nangona ukuchaneka kokufumanisa kulinganiselwe, kunokusetyenziswa njengendlela yokuhlola ngokukhawuleza.
2. Isisombululo se-microscope yedijithali: I-microscopes yedijithali edityaniswe neteknoloji ephezulu yokucwangcisa imifanekiso ibonelela ngokukhuliswa okuphezulu kunye nemifanekiso ecacileyo, kwaye inokufumanisa ngokuchanekileyo kunye nokulinganisa ubungakanani, imilo kunye nokusabalalisa i-wavy edges of electrode. Iziphene ezincinci mazingabi nandawo yakuzifihla.
3. Ukuseta ngokufanelekileyo iiparitha zokuqhawula: Misela iiparitha ezifanelekileyo ezifana noxinzelelo lwecala kunye nexabiso lokugqithiswa kwesixhobo ngexesha lenkqubo yokuqhawula ukulawula ukuguqulwa kwe-electrode ngexesha lenkqubo yokuqhawula. Ngexesha elifanayo, khetha i-angle yokuluma efanelekileyo, i-blade ububanzi kunye nobukhulu beshidi ukunciphisa impembelelo yokuqhawula kumgangatho wecala le-electrode.

Ngamafutshane, imiphetho ye-wavy ye-lithium ibhetri ye-electrode ngumba onzima kwaye obalulekileyo obandakanya imiba emininzi efana nezixhobo, izixhobo kunye neenkqubo. Kuphela ngokuqonda ngokupheleleyo izizathu zayo kunye neempembelelo kunye nokuthatha amanyathelo okuphucula asebenzayo kunye neendlela zokubona ngokungqongqo kunye neendlela zokulawula umgangatho we-lithium ibhetri ye-electrode inokuphuculwa, kwaye ke ukusebenza ngokubanzi kunye nokuthembeka kweebhetri ze-lithium kunokuphuculwa. Makhe sinikele ingqalelo kwingxaki ye-wavy edges ye-lithium ibhetri ye-electrode kunye kunye nokukhapha ukusebenza okuzinzile kwezixhobo zombane kunye nokhuseleko lobomi bethu.