N'ime ihe owuwu kristal nke Lifepo4, adọm oxygen na-agbakọta na nnọkọ isii.PO43-tetraonal na FEO6 octopus na-etolite ọkpụkpụ oghere nke kristal.LI na Fe na-ejide oghere dị n'etiti octopus, na P na-ejide oghere tetraonal.FE na-anọkarị n'akụkụ nkuku nke octopus, na li na-anọkwa n'akụkụ nkịtị nke octopus.A na-ejikọta FEO6 octopus na ibe ya n'elu BC nke kristal, na nhazi Li6 octopus na B-axis direction na-ejikọta ya n'ime usoro agbụ.1 Feo6 octopus na 2 LiO6 octopus na 1 PO43-tetraonal ngalaba.
N'ihi nkwụsị nke FEO6 co-off octopus network, enweghị ike ịmepụta ihe omume eletrik;N'otu oge ahụ, PO43-tetraon na-ejedebe na mgbanwe ụda olu nke lattice, nke na-emetụta akpịrị ịkpọ nkụ na mgbasa ozi eletrọnịkị nke LI +, nke na-eduga n'omume eletrọnịkị na mgbasa ozi nke LIFEPO4 ihe dị mma na mgbasa nke ion.Ịrụ ọrụ dị oke ala.
Usoro dị elu karịa batrị Lifepo4 dị elu (ihe dịka 170mAh / g), na ikpo okwu mgbapụta bụ 3.4V.LI + Retinate ike n'etiti nti na nke na-adịghị mma bipolar iji mejuputa nchaji na mwepu, na mmeghachi omume oxidation na-eme n'oge ịchaji.Li + na-esi n'osisi ahụ dị mma, na-agbanye n'ime oghere na-adịghị mma site na electrolyte, na ígwè gbanwere site na Fe2 + ruo Fe3+, na mmeghachi omume oxidation mere.
Akụkụ aka ekpe nke batrị phosphate iron lithium bụ electrode dị mma nke mejupụtara ihe lifpo4 nke usoro oliv, nke ejikọrọ na electrode dị mma nke batrị nwere foil aluminum.N'aka nri bụ electrode na-adịghị mma nke batrị nke nwere carbon (graphite), nke ejikọrọ na electrode na-adịghị mma nke ọla kọpa na batrị.N'etiti etiti bụ diaphragm nke polymer, nke na-ekewapụta electrode dị mma na electrode ọjọọ.ion lithium nwere ike ịbụ eletrọn site na diaphragm na enweghị ike ịgafe diaphragm.A na-ebuba batrị ahụ na electrolytes, a na-ejikwa shea igwe gbachie batrị ahụ.
Nzaghachi na nchaji na mwepu nke batrị lithium iron phosphate dị n'etiti Lifepo4 na FEPO4.N'oge usoro ịchaji, LIFEPO4 ji nwayọọ nwayọọ kewapụ na lithium ion iji mepụta FEPO4.N'oge usoro mwepu, ion lithium agbakwunyere FEPO4 iji mepụta LIFEPO4.
N'oge ịchaji batrị, ion lithium na-esi na kristal phosphate iron kwaga n'elu kristal.N'okpuru mmetụta nke ọkụ eletrik, banye na electrolyte, wee gafere site na diaphragm, wee kwaga n'elu kristal graphite site na electrolyte, wee tinye n'ime graphite lattice.
N'otu oge ahụ, eletrọnịkị conductive aluminum foil Collector electrode na-asọba na electrode dị mma, na onye na-anakọta ọla kọpa na-asọfe site na ntị pole, kọlụm batrị dị mma, sekit mpụga, kọlụm electrode na-adịghị mma, na ntị na-adịghị mma na electrode ọjọọ batrị, na wee na-aga na litteria electrode ọjọọ, Mee ka electrode na-adịghị mma na-akwụ ụgwọ ka ọ kwụzie.A na-agbanwe ion lithium ka ọ bụrụ iron phosphate mgbe lithium iron phosphate akpọnwụsịrị.
Mgbe batrị kwụsịrị, a na-ewepụ ion lithium na kristal graphite, banye na electrolyte, wee gafee diaphragm, kwaga n'elu lithium iron phosphate site na electrolyte, wee tinyeghachi ya n'ime oghere nke lithium. ígwè phosphate.
N'otu oge ahụ, onye na-anakọta foil ọla kọpa na-asọba na ngwa elektrọn na-adịghị mma nke meridian elektrọn, site na onye na-anakọta foil aluminum nke foil aluminum nke ntị polar, kọlụm na-adịghị mma nke batrị ahụ, sekit mpụta, kọlụm okporo ụzọ dị mma, na nti pola nti na batrị.Ogwe osisi lithium na-eme ka ụgwọ dị mma ruru nguzozi.A na-agbanye ion lithium mgbe kristal phosphate iron gasịrị, na phosphate iron na-agbanwe ghọọ lithium iron phosphate.
Oge nzipu: Ọgọst-07-2023