Gịnị bụ Nhọrọ nke mkpuchi mkpuchi?

Gịnị bụ Nhọrọ nke mkpuchi mkpuchi?

Enwere ọtụtụ ụzọ mkpuchi. Ụzọ mkpuchi imikpu gụnyere mkpuchi mwụda, mkpuchi mpịakọta, mkpuchi agụba, na waya -mkpuchi mkpanaka, wdg. Usoro mkpuchi ọnụọgụ nke preset gụnyere mkpuchi slide, oghere{3}} mkpuchi anwụ, mkpuchi extrusion, na mkpuchi mkpuchi, wdg. Anyị atụleworị ọtụtụ ụzọ mkpuchi n'ụzọ zuru ezu n'elu. N'okpuru ebe a, anyị na-ewebata nkenke ụzọ mkpuchi ndị ọzọ.

Mkpuchi mkpuchi bụ usoro mkpuchi nke a na-emikpu webụ ahụ mgbe niile wee dọpụta ya na tankị slurry, na ngafe slurry na-alaghachi azụ n'ime tank, dị ka egosiri na foto 5-89. Mkpuchi ntunye na-abụkarị mkpuchi ihu okpukpu abụọ-, ya mere ntụzịaka nke webụ na-adịkarị n'elu mmiri mmiri iji hụ na ọkpụrụkpụ mkpuchi dị n'akụkụ abụọ nke webụ ahụ na-agbanwe agbanwe. Ọtụtụ mgbe, ọkpụrụkpụ mkpuchi ahụ na-adabere na viscosity, njupụta, ọsọ ahịrị, na akụkụ ndọpụta. Ọkpụrụkpụ mkpuchi slurry dị n'elu webụ na-abawanye ka viscosity slurry na mkpuchi na-abawanye. N'ezie, mkpuchi mkpuchi dịkwa mma maka ịrụ ọrụ oge na-adịghị anya nke ndị na-arụ ọrụ mgbagwoju anya, ma mgbe ihe mgbaze mgbaze na-adị ngwa ngwa, a ga-enwe mmiri.

Fig 5-89 Dip Coating Method

Mkpuchi agụba bụ usoro mkpuchi nke na-eji agụba belata ọkpụrụkpụ mkpuchi slurry na mpịakọta mkpuchi ma ọ bụ webụ ruo n'ọkpụrụkpụ a kapịrị ọnụ, dị ka egosiri na foto 5-90. N'ime ha, mkpuchi mkpuchi na ịdị arọ nke ikuku{2}} mkpuchi mma na-adabere na ikuku-nrụgide mma na ikuku jet ọsọ, ọ dịkwa mma maka mkpuchi ala - viscosity ma ọ bụ ọkara{5}} ala- mmiri viscosity{{8} dabeere slurries. Mgbe ị na-eji slurries sitere na ihe mgbaze organic, ekwesịrị ịkpachara anya iji zere nguzobe ngwakọta mgbawa sitere na nnukwu ikuku na uzuoku na-ere ọkụ.

Fig 5-90 Blade Coating

Ihe mkpuchi mkpuchi bụ usoro mkpuchi nke a na-ewepụ slurry site na oghere wee daa ozugbo na webụ na-agba ọsọ n'ụdị ákwà mgbochi mmiri. Ọ bụ nke usoro mkpuchi ọnụọgụ ọnụọgụ nke atọrọ, dị ka egosiri na foto 5-91. N'ihi na anya dị n'etiti extrusion anwụ egbugbere ọnụ na web bụ nnukwu na ọ dịghị ikuku afụ na ákwà mgbochi, ọ nwere pụtara ìhè uru na iwepu ntụpọ dị ka eriri na scratches. N'ihi ike nke kinetic ka ukwuu nke ákwà mgbochi ahụ, ọ na-enyere aka mee ka meniscus guzosie ike, ya mere enwere ike nweta ọsọ mkpuchi dị elu. The akara ọsọ nwere ike iru ihe karịrị 100 m / min na-esiwanye nakweere na elu-nkenke batrị mkpuchi ngwọta.

Figure 5-91 Falling curtain coating; Figure 5-92 Wire rod coating

Waya -Mkpuchi mkpanaka ọnya bụ usoro mkpuchi nke na-eji waya{1}}mmadụ elele ọnya na-eyiri mmiri mmiri n'otu n'otu na webụ dị nro, dị ka egosiri na foto 5-92. A na-eme mkpanaka ọnya ahụ site n'ikuku waya igwe anaghị agba nchara na-egbuke egbuke gburugburu mkpara isi. A na-akpọkwa mkpanaka waya{8} mkpanaka mkpuchi ma ọ bụ mkpanaka dọkịta. Mgbe waya winding dị gịrịgịrị, oke mkpuchi mkpuchi nwere ike iru n'ime micron ole na ole. N'ihi na mmiri mmiri dị ala{9}} na-eru n'ụzọ dị mfe na waya ígwè ọnya ọnya, ọ dabara maka ikpuchi mmiri mmiri na-adịghị obere. N'iji mkpanaka mkpuchi pụrụ iche, viscosity mkpuchi nwere ike ịdị oke elu, na mkpuchi mkpuchi nwere ike iru 225 μm. Ọsọ mkpuchi mkpanaka na-ejedebe na 304 m / min.

Nhọrọ nke usoro mkpuchi bụ ọrụ nhazi nke nwere ọtụtụ ihe ị ga-atụle. Ihe ndị a bụ isi ihe kwesịrị ịtụle mgbe ị na-ahọrọ usoro mkpuchi:

Ọtụtụ ụzọ mkpuchi dị mma maka ikpuchi otu oyi akwa n'otu oge, a na-ekpuchikwa oyi akwa ọzọ mgbe akpọnwụsịrị oyi akwa gara aga. Ụfọdụ ụzọ nwere ike mkpuchi ọtụtụ n'ígwé n'otu oge, dị ka slide mkpuchi, nke nwere ike uwe ma ọ dịkarịa ala 9 n'ígwé n'out oge na agba ihe nkiri mkpuchi. Isi mkpuchi nke mkpuchi mkpuchi bụ isi mkpuchi slide, na mkpuchi mkpuchi na-agbadakwa na nsọtụ, ya mere enwere ike ịme mkpuchi multilayer. oghere - die mkpuchi na extrusion mkpuchi na-emekarị otu-ihe mkpuchi oyi akwa, ma ha nwekwara ike inwe oghere extrusion abụọ ma ọ bụ atọ maka mkpuchi multilayer nke ndị na-emepụta batrị lithium- na-achọkarị.

Waya{0}}Mkpuchi mkpanaka ọnya dabara adaba maka mkpuchi mkpuchi obere-; mkpuchi extrusion, mkpuchi mpịakọta ntụgharị, na mkpuchi mkpuchi dabara adaba maka mkpuchi dị oke, nke nwere ike iru 400-750 μm. N'ikwu okwu n'ozuzu, ka mkpuchi ahụ dị gịrịgịrị, ka ọ na-esiwanye ike mkpuchi. Ekwesiri iburu n'uche na oke nke a kpọtụrụ aha ebe a bụ mkpuchi mkpuchi mmiri, na ọdịiche dị n'etiti mkpuchi akọrọ na mkpuchi mmiri dị nnọọ ukwuu.

Viscosity na viscoelasticity bụ ọnụọgụ anụ ahụ na-egosipụta njirimara rheological. Usoro mkpuchi ọ bụla nwere ụfọdụ nsonye nke viscosity kwesịrị ekwesị na ọnụ ọgụgụ shear. A na-ahọrọ viscosity nke slurry dị ka viscosity tụrụ na ọnụego mkpuchi mkpuchi, n'ihi na viscosity na-agbanwe na ọnụ ọgụgụ shear. Maka usoro slurry batrị nke lithium na-ebute site na ndị na-eweta ihe batrị lithium{3}ion, njikwa viscosity ziri ezi abụrụla isi ihe na-eme nkwụsi ike. Otú ọ dị, n'ime usoro mkpuchi ọnụọgụ nke preset, ọnụọgụ nke a na-ejikarị slurry dị elu, nke mere na ọ na-esiri ike iji ngwá ọrụ dị ugbu a nweta ọnụ ọgụgụ dị elu dị otú ahụ, n'ihi ya, ntule viscosity siri ike, n'ikpeazụkwa, nsonaazụ nnwale ga-emeri. Ọ bụ ezie na viscoelasticity dị ezigbo mkpa, ọ siri ike ịkọ. Ụfọdụ viscoelasticity na-enyere aka imeziwanye ọrụ nke ụfọdụ mkpuchi, ma elu viscoelasticity nwere ike ime ka ọ dị ogologo oge ịdọrọ ntụpọ.

Oghere ziri ezi{0}} mkpuchi anwụ, mkpuchi slide, na mkpuchi mkpuchi nwere oke mkpuchi dị elu, ebe izizi nke ụzọ mkpuchi ndị ọzọ dabere na njirimara mmiri, rola geometry, ọsọ ntụgharị na ihe ndị ọzọ. Usoro mkpuchi ọ bụla nwere mkpuchi mkpuchi sara mbara, nke dabere na nhazi na ọnọdụ ọrụ nke ngwaọrụ mkpuchi. Naanị site nnọọ finely optimizing batrị electrode mkpuchi akụrụngwa nwere ike ezi mkpuchi pụta ga-enwetara.

Weebụ ahụ nwere ike ghara -nwere ike imeri ma ọ bụ mebie ya. Maka webụ na-agafe agafe, enwere ike mechie pores tupu mkpuchi. Ọ dịkwa mkpa ịtụle ịdị nro na esemokwu elu na weebụ. Esemokwu dị n'elu nke slurry ga-adị ala karịa nke weebụ.

Ọsọ mkpuchi mkpuchi metụtara arụmọrụ mmepụta. Mgbe enwere ike, ngwa ngwa mkpuchi mkpuchi, ka mma. Ụzọ mkpuchi niile nwere oke ọsọ mkpuchi, mana ụfọdụ ụzọ dị mma na mkpuchi ọsọ ọsọ-. Mkpuchi ákwà mgbochi chọrọ opekempe ọsọ ọsọ iji hụ na ákwà mgbochi anaghị adọka, yabụ enweghị ike ịme mkpuchi ọsọ ọsọ{{4} mgbe oyi akwa ahụ dị gịrịgịrị. Na mkpuchi slide, mgbe mkpuchi mkpuchi dị oke mkpa, mkpuchi mkpuchi ga-abụ nke na-akwụghị ụgwọ. Ọsọ dị elu na akwa mkpuchi mkpuchi na-enyere aka zere enweghị mkpuchi mkpuchi. N'otu aka ahụ, enwere ike kpuchie webụ dị nro na nke na-adịghị agafe agafe na ọsọ dị elu. Ọsọ mkpuchi mkpuchi na-emetụtakwa ogologo nke ngalaba ihicha. Ogologo oge nke ihicha akụkụ, otú ahụ ka ọ dị mma ka ọ na-abawanye ọnụego ihicha.

E gosipụtara ụzọ mkpuchi na oke ha dị na tebụl 5-6.

Otu	Usoro mkpuchi	Ọnụego shear /s⁻¹	Viscosity /Pa·s	Ọkpụrụkpụ mmiri / μm	Nkenke mkpuchi mkpuchi /%	Ọsọ kacha /(m/min)	Mmetụta nke web roughness
Ịkwado	Ịkwado	0.01-0.10	-	-	-	-	-
	Mma ikuku	-	0.005-0.5	2-40	5	500	Elu
	Waya{0}}Mkpuchi mkpanaka ọnya	-	0.02-1	5-50	10	250	Elu
Otu oyi akwa	Mkpuchi agụba	1000-10000	0.5-40	1-30	-	1500	Elu
		20-40000
	Mkpuchi mpịakọta tụgharịa	100-10000	0.1-50	5-400	5	300	Obere
		1000-100000
	Slot{0}} mkpuchi anwụ	3000-100000	0.005-20	15-250	2	400	Obere
	Mkpuchi extrusion	-	50-5000	15-750	5	700	-
Multilayer	Ihe mkpuchi slide	1000-10000	0.005-0.5	15-250	2	300	Obere
		3000-12000
	Ihe mkpuchi mkpuchi	1000-10000	0.005-0.5	2-500	2	300	Obere

Ụzọ mkpuchi maka lithium{0} ion batrị electrode mpempe akwụkwọ bụ isi mkpuchi mkpuchi na extrusion mkpuchi. Mkpuchi mpịakọta na-achọ ka ọ dị elu shiee ọnụego, dabara maka slurry nwere ntakịrị viscosity dị elu, na-enweta ihe nkiri mkpuchi siri ike yana mma mkpuchi dị mma, ma ugbu a bụ usoro mkpuchi a na-ejikarị maka batrị lithium{2}}. Mkpuchi extrusion na-anọchite anya teknụzụ mkpuchi dịtụ elu na ụlọ ọrụ. A na-etinye ụfọdụ nrụgide na slurry n'oge mkpuchi, nke nwere ike iji maka mkpuchi nke elu viscosity slurry. Mpempe akwụkwọ elektrọd enwetara nwere oke nkenke yana ọsọ mkpuchi ngwa ngwa. Na na-aga n'ihu mmepe nke lithium batrị technology na-amụba ina si lithium - ion batrị na-emepụta maka elu ume njupụta na agbanwe agbanwe, extrusion mkpuchi, na-akwado site na steeti - nke {{10} na nkà batrị electrode mkpuchi ngwá na elu -nkenke batrị mkpuchi ngwọta, ga-n'ọtụtụ ebe na-esote{12} ọgbọ mmepụta.