Ingantacciyar wutar lantarki na baturin lithium ion an yi shi da kayan lithium baƙin ƙarfe phosphate, wanda yana da fa’idodi masu yawa dangane da aikin aminci da rayuwar zagayowar. Waɗannan su ne ɗayan mahimman alamun fasaha na batura masu ƙarfi. Lifepo4 baturi 1C cajin da fitar da zagayowar rayuwa har zuwa 2000 sau, huda ba ya fashe, overcharge ba sauki ƙone da fashe. Lithium baƙin ƙarfe phosphate cathode kayan sa manyan-ikon lithium-ion baturi sauki don amfani a jeri.

Lithium Iron Phosphate Cathode Material

Batirin Lifepo4 yana nufin baturin lithium ion ta amfani da lithium iron phosphate a matsayin ingantaccen kayan lantarki. Lithium-ion baturi cathode kayan yafi hada da lithium cobalt oxide, lithium manganate, lithium nickelate, ternary kayan, da lithium iron phosphate. Daga cikin su, lithium cobalt oxide shine kayan cathode da ake amfani da su a yawancin batura lithium-ion. A ka’ida, lithium baƙin ƙarfe phosphate shi ma wani intercalation da deintercalation tsari. Wannan ka’ida daya ce da lithium cobalt oxide da lithium manganese oxide.

Amfanin batir Lifepo4

1. Babban caji da ingantaccen aiki

Batirin Lifepo4 shine baturi na biyu na lithium ion. Ɗaya daga cikin manyan amfani shine don batura masu wuta. Yana da babban fa’ida akan nickel-metal hydride da batirin nickel-cadmium. Batirin Lifepo4 yana da babban caji da aikin fitarwa, wanda zai iya kaiwa sama da 90% a cikin jihar da aka saki, yayin da na batirin gubar-acid ya kai kusan 80%.

2. Lifepo4 baturi yana da babban aikin aminci

Haɗin PO a cikin lithium baƙin ƙarfe phosphate crystal yana da ƙarfi kuma yana da wahalar rubewa. Ko da a karkashin babban zafin jiki ko fiye da haka, ba zai rushe ko zafi kamar lithium cobalt oxide ba, kuma ba zai samar da abubuwa masu karfi ba, don haka yana da lafiya mai kyau.

An ba da rahoton cewa a cikin aiki na ainihi, an gano ƙananan samfurori sun ƙone a acupuncture ko gwaje-gwaje na gajeren lokaci, amma babu wani fashewa da ya faru. A gwaje-gwajen da aka yi na yawan cajin, an yi amfani da wani babban cajin wuta wanda ya ninka sau da yawa fiye da wutar lantarkin da ke fitar da kai, kuma an gano cewa har yanzu akwai wani abin fashewa. Koyaya, amincin cajin sa yana inganta sosai idan aka kwatanta da na yau da kullun na batura lithium cobalt oxide na ruwa.

3. Lifepo4 baturi yana da tsawon rayuwar zagayowar

Batirin Lifepo4 yana nufin baturin lithium ion ta amfani da lithium iron phosphate a matsayin ingantaccen kayan lantarki.

Rayuwar sake zagayowar batirin gubar-acid mai tsayi kusan sau 300, har sau 500. Rayuwar sake zagayowar batirin wutar lantarki na baƙin ƙarfe phosphate ya fi sau 2000, kuma madaidaicin cajin (yawan sa’a 5) na iya kaiwa sau 2000.

Batirin gubar-acid masu inganci iri ɗaya “sabon rabin shekara, tsohuwar rabin shekara, da rabin shekara don kiyayewa” na iya zama har zuwa shekaru 1 zuwa 1.5, yayin da batirin lifepo4 zai sami rayuwa ta tunani na shekaru 7 zuwa 8 idan aka yi amfani da su. karkashin yanayi guda.

Cikakken la’akari, bisa ka’ida rabon aikin farashi ya ninka fiye da sau huɗu na baturan gubar-acid. Babban fitarwa na yanzu na iya amfani da babban na yanzu 2C don yin caji da sauri cikin sauri. Karkashin caja na musamman, ana iya cajin baturin gabaɗaya a cikin mintuna 1.5 a 1.5C, kuma lokacin farawa zai iya kaiwa 2C, yayin da baturin gubar-acid ba shi da irin wannan aikin.

4. Kyakkyawan aikin zafin jiki

Mafi girman zafin jiki na lithium baƙin ƙarfe phosphate zai iya kaiwa 350 ℃-500 ℃, yayin da lithium manganate da lithium cobaltate ne kawai a kusa da 200 ℃. Faɗin zafin jiki na aiki (-20C- + 75C), babban juriya na zafin jiki, ƙoshin wutar lantarki na baƙin ƙarfe phosphate zai iya kaiwa 350 ° C-500 ° C, yayin da lithium manganate da lithium cobaltate kawai a 200 ° C.

5. Lifepo4 babban ƙarfin baturi

Yana da girma fiye da batura na yau da kullun (lead-acid, da sauransu). Iyakar monomer shine 5AH-1000AH.

6. Babu tasirin ƙwaƙwalwar ajiya

Lokacin da baturi mai caji sau da yawa ba a cika cika ba, ƙarfin zai yi sauri ya faɗi ƙasa da ƙimar da aka ƙididdige shi. Ana kiran wannan sabon abu da ƙwaƙwalwar ƙwaƙwalwa. Ƙwaƙwalwar ajiya iri ɗaya ce da batir Ni-MH da Ni-Cd, amma baturin lifepo4 ba shi da wannan al’amari. Ko da wane irin yanayi baturin ke ciki, ana iya caje shi kuma a yi amfani da shi ba tare da yin caji da caji ba.

7. Hasken batirin lifepo4

Batirin lifepo4 na ƙayyadaddun ƙayyadaddun bayanai da iya aiki shine 2/3 na ƙarar baturin gubar-acid, kuma nauyi shine 1/3 na baturin-acid.

8. Lifepo4 baturi yana da alaƙa da muhalli

Gabaɗaya ana ɗaukar baturin ba shi da kowane ƙarfe mai nauyi da ƙananan ƙarfe (batir nickel-hydrogen yana buƙatar ƙananan ƙarfe), mara guba (shaidar SGS), mara gurɓatacce, daidai da ƙa’idodin RoHS na Turai, kuma cikakke ne kore. takardar shaidar baturi.

Don haka, dalilin da yasa masana’antar ke da fifikon batir lithium shine galibi saboda la’akari da muhalli. Saboda haka, a lokacin “Shirin Shekaru Biyar na Goma sha ɗaya”, an haɗa baturin a cikin shirin “863” na babban tsarin ci gaban fasaha na ƙasa kuma ya zama babban aikin tallafi da ƙarfafawa na ƙasa.

Kasancewar kasata cikin kungiyar WTO, fitar da kekunan wutar lantarki da kasata ke fitarwa za ta karu cikin sauri, kuma ana bukatar kekunan lantarki da ke shiga Turai da Amurka da batura masu gurbata muhalli.

Ayyukan batura lithium-ion ya dogara ne akan abubuwa masu kyau da mara kyau. Lithium iron phosphate abu ne na batirin lithium wanda kawai ya bayyana a cikin ‘yan shekarun nan. Ayyukansa na aminci da rayuwar zagayowar ba su yi daidai da sauran kayan ba. Mafi mahimmancin alamar fasaha na baturi.

Batirin Lifepo4 yana da fa’idodin mara guba, mara gurɓatacce, kyakkyawan aikin aminci, fa’idodin albarkatun ƙasa, ƙarancin farashi da tsawon rai. Yana da manufa cathode abu don sabon ƙarni na lithium-ion baturi.