Kedu ihe dị ugbu a na kpo oku batrị lithium dị ala?

Onye edemede: Iflowpower - Onye na-ebubata ọdụ ọkụ nwere ike ibugharị

Usoro kpo oku nke mpụga bụ usoro kpo oku a na-ejikarị eme ihe ugbu a, na-ekpo ọkụ batrị site na isi mmalite okpomọkụ dị n&39;èzí, bụ ihe dị mfe karị, mana arụmọrụ ọkụ dị n&39;èzí dị ala, nke mere na ọ na-eri ike eletrik ọzọ, ọ dị mfe na gradient okpomọkụ na-eme n&39;ime batrị ahụ, na-ebute ọsọ ọsọ na-adịghị agbanwe agbanwe nke n&39;ime batrị batrị, na-emetụta ndụ batrị lithium ion. (1) Mmiri mmiri na-ekpo ọkụ ma e jiri ya tụnyere ikuku, mmiri mmiri nwere ike ikpo ọkụ na-ekpo ọkụ na-ekpo ọkụ, ya mere, okpomọkụ dị elu dị elu, ma mgbagwoju anya nke usoro mmiri na-ekpo ọkụ dị elu karịa usoro mmiri ọkụ. Mgbe batrị na kọntaktị na thermally conductive mmiri mmiri, mmiri ọkụ okpomọkụ nwere ike kewaa ụzọ abụọ: 1) kpo oku na-abụghị kọntaktị; 2) ikpo ọkụ imikpu.

A na-ahụkarị usoro ikpo ọkụ mmiri mmiri n&39;okpuru ebe a. Ka ọ dị ugbu a, a na-eji usoro ikpo ọkụ mmiri na-adịghị emekọrịta ihe n&39;elu ụgbọ ala eletrik. Dịka ọmụmaatụ, Volt na-eji ọkụ 360V kpoo ya ọkụ, wee bufee ya na batrị, Tussez La na-ejikwa ọnọdụ preheating mmiri maka ikpo ọkụ batrị batrị.

(2) Usoro nchịkwa okpomọkụ maka ikuku dị elu n&39;ikuku, ọnụ ahịa dị mfe, na enwere ọnụ ala dị ala, ya mere a na-ejikarị eme ihe na ụgbọ ala eletrik, ụkpụrụ ọrụ bụ isi na-egosi na ọnụ ọgụgụ dị n&39;okpuru ebe a, na ikuku dị n&39;èzí bụ nke mbụ kpo oku mgbe kpochara usoro okpomọkụ. Tinye ngwungwu batrị n&39;okpuru ojiji nke fan, wee kpoo batrị ahụ. N&39;ozuzu, ikuku preheating nwere ike nweta ịrị elu okpomọkụ nke 0.

5-3 ¡ã C/min. Ọsọ ọsọ na okpomọkụ nke ikuku ikuku na-emetụta mmetụta nke ikuku preheating, na nkwupụta nyocha dị mkpa dị iche iche iji mee ka ikuku gas dịkwuo elu karịa mmụba nke ikuku ikuku. N&39;otu oge ahụ, okpomọkụ ikuku nwekwara ike ịpụta n&39;ime batrị dị mkpa karịa n&39;ime batrị, si otú a na-enwe mmetụta na-adịghị mma na ndụ batrị.

Ka ọ dị ugbu a, usoro a na-ekpo ọkụ ọkụ ejirila Honda&39;s Insight model na Toyota&39;s Prius model, ma usoro a ka nwere ọtụtụ adịghị ike, dị ka nsogbu ụzụ, nsogbu arụmọrụ, wdg. (3) Igwe ọkụ nke ihe ndị na-emepụta oge, ma ikuku na-ekpo ọkụ ma ọ bụ mmiri mmiri na-ekpo ọkụ, ihe ndị dị mgbagwoju anya, dị ka ọkpọkọ, nfuli, na ndị na-ekpo ọkụ, wdg, ga-eme ka ọnụ ahịa na ịmepụta ihe isi ike nke ngwugwu batrị.

Ihe ngbanwe nke oge bụ usoro dị mfe maka ikpo ọkụ nke ngwugwu batrị. Usoro a bụ iji nweta oke okpomọkụ a tọhapụrụ ma ọ bụ na-etinye ya n&39;ime ihe na-agbanwe agbanwe na usoro mgbanwe mgbanwe, ma a na-enweta nzube nke okpomọkụ na oyi. Igwe ọkụ ọkụ nke ihe na-agbanwe oge na-adịkarị ala, nke na-adịghị akwado ọsọ nke ibufe batrị ngwa ngwa.

Iji dozie nsogbu a, ndị mmadụ atụpụtala usoro dị ka carbon nanotubes na metal frameworks, ma ugbu a na laabu Stage, ejibeghị m n&39;ezie. (4) Igwe ọkụ eletrik na-ekpo ọkụ na mgbakwunye na ọnọdụ preheating dị n&39;elu, anyị nwekwara ike kpoo batrị site na ọkụ eletrik, na ọkụ eletrik nwere ike kewaa n&39;ime: 1) Peltier effect heater; 2) mpempe ọkụ eletrik; 3) ogwe ọkụ ọkụ eletrik; 4) ihe nkiri ọkụ eletrik. Peltier Effect Heater Nke a na-ekpo ọkụ bụ ihe na-ekpo ọkụ na elu oyi nke na-eme ka elu na-ekpo ọkụ na oyi na-ekpo ọkụ na-emepụta na akụkụ abụọ nke semiconductor, na ọnọdụ nke ikuku jụrụ oyi nwere ike ịchịkwa site na ntụziaka nke njikwa ugbu a, si otú ahụ nweta nzube nke jụrụ oyi ma ọ bụ kpo oku batrị, na okpomọkụ dị elu, enwere ike ịchịkwa ya site n&39;ịchịkwa ọsọ ọsọ ugbu a.

N&39;ụzọ dị otú a, okpomọkụ ịrị elu ọnụego nke 0.6-1 ¡ã C / min nwere ike nweta, na ike iwesa site preheated batrị bụ banyere 2.5% nke batrị ike.

A na-ebunye mpempe akwụkwọ ọkụ ọkụ ọkụ na usoro kpo oku site na iji mpempe akwụkwọ ọkụ eletrik, a na-etinyekarị mpempe akwụkwọ ọkụ eletrik n&39;elu ma ọ bụ nke dị ala nke batrị ahụ, na brush ọkụ na-apụta na mpempe akwụkwọ ọkụ eletrik na-ebufe na batrị ahụ, na-emekarị mpempe akwụkwọ ọkụ eletrik ga-eji ihe dị mma okpomọkụ coefficient ( PTC) mee. Nkwupụta nyocha ahụ na-eji mpempe akwụkwọ okpomọkụ PTC na-ekpo ọkụ na-ekpo ọkụ batrị iji mee ka voltaji na-agbapụta ọkụ na-abawanye na obere okpomọkụ, ma mee ka batrị batrị dịkwuo elu, na -38 ¡ã C, batrị ahụ ka nwere ike ịhapụ karịa 90% ma ọ bụ karịa ikike. Ejirila usoro a n&39;ime ụgbọ ala eletrik mbụ, dị ka ụdị I-MIEV na Nissan&39;s Leaf nke Mitsubishi, were ogologo oge maka batrị, ebe ọ ga-adị na batrị.

Enwere gradient okpomọkụ n&39;ime, nke na-adịghị akwado ibuli ndụ batrị. The electrothermal aka uwe bụ mbụ site Cheryautomobile, nke e mere site thermal nguzogide. A na-eji ya mee ihe mkpuchi nchekwa na batrị.

Usoro BMS nke ngwugwu batrị na-achịkwa mgbanwe okpomọkụ nke ngwugwu batrị, si otú ahụ na-achịkwa preheating maka batrị. Usoro a nwere ike ime ka batrị batrị dị ọkụ n&39;ime nkeji 10 ruo na okpomọkụ na-arụ ọrụ ma nọgide na-enwe ezigbo okpomọkụ. A na-ejikarị ihe nkiri electrotherm eme ihe nkiri electrotherm bụ nke metal foil na ihe mkpuchi ahụ na-eme ka ọ bụrụ ihe na-ekpuchi ya, a na-agbanyekwa elu batrị n&39;oge eji.

Uru nke usoro kpo oku a bụ ihe nkiri kpo oku dị ntakịrị (1-2 mm), ya mere ohere batrị ejiri dị ntakịrị. Usoro a nwere ike nweta ogo okpomọkụ dị elu n&39;ihe banyere oriri ike dị ala ma e jiri ya tụnyere ọnọdụ preheating nke ihe electrothermal coefficient. Nke abụọ, n&39;ime ikpo ọkụ na-atụnyere na mpụga kpo oku, n&39;ime ime kpo oku na-enwe ngwa ngwa ọkụ na-agba ọsọ na elu okpomọkụ ọnụego, otú n&39;ime ime kpo oku usoro preheated na lithium ion batrị na enwetawo nlebara anya nke ukwuu, ma n&39;ime ime kpo oku akara usoro usoro More mgbagwoju anya, na ụfọdụ n&39;ime ime kpo oku ụzọ nwere ụfọdụ nchekwa ihe ize ndụ.

Enwere ike kewaa usoro ikpo ọkụ nke ime n&39;ime ụzọ abụọ: ikpo ọkụ onwe onye na mkpali dị ugbu a, tebụl na-esonụ bụ ntụnyere ụfọdụ usoro kpo oku na-emekarị. 1. Ebe ọ bụ na usoro kpo oku nwere ike ịhụ usoro ikpo ọkụ nke onwe ya ka ọ na-enweta uru zuru oke na ọsọ ọkụ ọkụ, usoro a bụ itinye Ni foil n&39;ime batrị ahụ, wee duru ogwe osisi n&39;èzí batrị ahụ, na-achịkwa site na nchịkwa mpụga nke batrị batrị.

Nnwale nkwupụta nke ụzọ a iji kpoo batrị site na -30 ¡ã C ruo 0 ¡ã C ruo 60 ¡ã C / min, na usoro a na-eri 5.5% ume. Iji belata gradient okpomọkụ na batrị n&39;oge usoro ikpo ọkụ, a na-agbakwunye ọtụtụ Ni foil n&39;ime batrị ahụ, nchọpụta ahụ na-ekwupụta na a na-agbakwunye Ni foil abụọ n&39;ime batrị ahụ iji mee ka ọnụ ọgụgụ okpomọkụ nke batrị si -20 ¡ã C ruo 0 ¡ã C ruo 96 ¡ã C.

/ min, oriri ike bụ naanị 2.9%, ebe ọkụ ọkụ n&39;okpuru otu ọnọdụ nwere ike iru 60 ¡ã C / min, na 4.1% ọkụ eletrik na-eri.

N&39;ihi ya, ụzọ nke multi-chip mpempe akwụkwọ nwere ike ọ bụghị naanị nweta irè mbelata okpomọkụ gradient n&39;ime batrị, na nwekwara ike n&39;ụzọ dị irè melite ọkụ ọkụ nke batrị. 2, Mpụga ugbu a excitation usoro nwere ike kewaa ụzọ dị iche iche na DC preheating usoro, AC preheating usoro na usu preheat. 3.

QU et al. Nnyocha kwuru na n&39;ụzọ dị otú a na 18650, ọ nwere ike nweta ọkụ ọkụ nke 4.29 ¡ã C / min (8, 9.

5 na 11A nkwụsị). Otú ọ dị, iji mezuo ihe ndị a chọrọ maka ikpo ọkụ ngwa ngwa, nke a pụtara na-eji nnukwu nkwụsị ugbu a. N&39;oge a, polarization nke batrị dị ukwuu, nke mere na ike batrị na-ada mbà na-agbakwunyere, na nnyocha na-ekwupụta na batrị nwere ike ịbụ naanị na ndị dị otú ahụ preheating mode.

Enwere ndụ okirikiri iri asatọ na otu. 4 Mbelata nke ikike batrị, ebe ọnọdụ AC na-agba ọsọ karịa ọkụ eletrik DC, na arụmọrụ dịkwa elu. Nkwupụta nyocha, site na ịba ụba nke AC ugbu a, na-ebelata arụmọrụ nke ịba ụba ugboro nke AC electri.