Kedu ka mmetụta okpomọkụ si emetụta batrị lithium?

Batrị lithium abụrụla akụkụ dị mkpa nke usoro gburugburu ebe obibi ume ọhụrụ, na-enye ike niile site na ụgbọ ala eletrik na ebe nchekwa ike ruo na ngwa eletrọnịkị. N'agbanyeghị nke ahụ, ihe ịma aka ndị ọrụ na-eche ihu n'ụwa nile bụ mmetụta dị ịrịba ama nke okpomọkụ na ịrụ ọrụ batrị-oge okpomọkụ na-ebutekarị okwu dị ka ọzịza batrị na ntapu, ebe oyi na-eduga ná mbelata nke ukwuu na ịrụ ọrụ chaja adịghị mma. Nke a gbanyere mkpọrọgwụ na mmetụta okpomọkụ dị n'ime batrị lithium, yana batrị lithium iron phosphate, otu n'ime ụdị ndị a na-ejikarị eme ihe, na-arụ ọrụ nke ọma n'etiti 0°C na 40°C. N'ime oke a, mmeghachi omume kemịkalụ dị n'ime na mbugharị ion na-arụ ọrụ na arụmọrụ kacha elu, na-ahụ na mmepụta ike kachasị.

Okpomọkụ dị n'èzí windo nchekwa a na-ebute nnukwu ihe egwu na batrị lithium. N'ebe dị elu na-ekpo ọkụ, electrolyte volatilization na decomposition na-eme ngwa ngwa, na-ebelata conductivity ion na nwere ike ịmepụta gas nke na-eme ka batrị batrị ma ọ bụ mgbawa. Na mgbakwunye, nkwụsi ike nhazi nke ihe electrode na-akawanye njọ, na-eduga na mfu ikike a na-apụghị ịgbagha agbagha. Nke ka njọ, oke okpomoku nwere ike ịkpalite mgbapụ okpomọkụ, mmeghachi omume agbụ nke nwere ike ibute ihe nchekwa nchekwa, nke bụ isi ihe na-akpata adịghị arụ ọrụ na ngwaọrụ ike ọhụrụ. Okpomọkụ dị ala na-enwekwa nsogbu n'otu aka ahụ: mmụba electrolyte viscosity na-ebelata mbugharị lithium ion, na-ebuli nguzogide dị n'ime yana ibelata arụmọrụ-nfufe. Ịchaji mmanye n'ọnọdụ oyi nwere ike ime ka ion lithium gbasaa n'elu electrode na-adịghị mma, na-akpụ lithium dendrites nke na-amapu ihe nkesa ma kpalite sekit dị mkpụmkpụ dị n'ime, na-ebute nnukwu ihe egwu nchekwa.

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18650 bms

Iji belata ihe egwu ndị a na-ebute okpomọkụ, Board Nchekwa batrị Lithium, nke a na-akpọkarị BMS (Sistemụ Njikwa batrị), dị mkpa. Ngwaahịa BMS dị elu nwere ihe mmetụta okpomọkụ NTC dị elu nke na-enyocha okpomọkụ batrị na-aga n'ihu. Mgbe okpomọkụ gafere oke nchekwa, sistemụ na-akpalite mkpu; N'ọnọdụ nke spikes okpomọkụ ngwa ngwa, ọ na-arụ ọrụ nchebe ozugbo iji bepụ sekit ahụ, na-egbochi mmebi ọzọ. BMS dị elu nwere mgbanaka njikwa okpomọkụ dị ala nwekwara ike ịmepụta ọnọdụ ọrụ kachasị mma maka batrị na gburugburu oyi, na-edozi okwu nke ọma dị ka mbelata oke na ịchaji ihe isi ike, na-ahụ na arụmọrụ kwụsiri ike gafee ọnọdụ okpomọkụ dị iche iche.

Dị ka akụkụ bụ isi nke sistemụ nchekwa batrị lithium, BMS na-arụ ọrụ dị elu ọ bụghị naanị na-echekwa nchekwa ọrụ kamakwa ọ na-agbatị ndụ batrị, na-enye nkwado dị oke mkpa maka ịrụ ọrụ ntụkwasị obi nke akụrụngwa ike ọhụrụ.


Oge nzipu: Ọkt-23-2025

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