Electrode mai kyau naBatirin lithium-ionshine kayan lithium iron phosphate, wanda ke da fa'idodi masu yawa a cikin aikin aminci da tsawon lokacin zagayowar. Waɗannan su ne ɗaya daga cikin mahimman alamun fasaha na batirin wutar lantarki. Batirin Lifepo4 tare da tsawon lokacin caji da fitarwa na 1C ana iya cimma shi sau 2000, huda ba ta fashewa, ba ta da sauƙin ƙonewa da fashewa idan aka yi mata caji fiye da kima. Kayan cathode na lithium iron phosphate suna sa batirin lithium-ion mai girman girma ya fi sauƙi a yi amfani da su a jere.
Lithium iron phosphate a matsayin kayan cathode
Batirin Lifepo4 yana nufin batirin lithium-ion wanda ke amfani da lithium iron phosphate a matsayin kayan lantarki mai kyau. Kayan lantarki masu kyau na batirin lithium-ion galibi sun haɗa da lithium cobaltate, lithium manganate, lithium nickelate, kayan ternary, lithium iron phosphate, da makamantansu. Daga cikinsu, lithium cobaltate shine kayan lantarki mai kyau da ake amfani da shi a yawancin batirin lithium-ion. A ƙa'ida, lithium iron phosphate shima tsari ne na haɗawa da deintercalation. Wannan ƙa'ida iri ɗaya ce da lithium cobaltate da lithium manganate.
fa'idodin batirin lifepo4
1. Ingantaccen caji da kuma fitar da kaya
Batirin Lifepo4 batirin lithium-ion ne na biyu. Babban amfaninsa shine batirin wutar lantarki. Yana da fa'idodi masu yawa fiye da batirin NI-MH da Ni-Cd. Batirin Lifepo4 yana da ingantaccen caji da fitarwa, kuma ingancin caji da fitarwa na iya kaiwa sama da kashi 90% a yanayin fitarwa, yayin da batirin gubar acid yake da kusan kashi 80%.
2. batirin lifepo4 mai inganci da aminci
Haɗin PO a cikin lu'ulu'u na ƙarfe na lithium phosphate yana da ƙarfi kuma yana da wahalar ruɓewa, kuma baya rugujewa ko zafi kamar lithium cobaltate ko samar da wani abu mai ƙarfi na oxidizing ko da a yanayin zafi mai yawa ko fiye da kima, don haka yana da aminci mai kyau. A cikin ainihin aikin, an gano ƙaramin ɓangare na samfurin yana da abin da ke ƙonewa a cikin gwajin acupuncture ko gwajin gajere, amma babu wani abin fashewa. A cikin gwajin ƙarin kima, an yi amfani da cajin babban ƙarfin lantarki wanda ya fi ƙarfin fitarwa sau da yawa, kuma an gano cewa har yanzu akwai wani abin fashewa. Duk da haka, amincin ƙarin kima ya inganta sosai idan aka kwatanta da batirin lithium cobalt oxide na yau da kullun.
3. Tsawon lokacin zagayowar batirin Lifepo4
Batirin Lifepo4 yana nufin batirin lithium-ion wanda ke amfani da lithium iron phosphate a matsayin kayan lantarki mai kyau. Batirin lead-acid mai tsawon rai yana da tsawon rai sau 300, kuma mafi girman shine sau 500. Batirin lithium iron phosphate mai ƙarfin lithium iron yana da tsawon rai sau 2000, kuma ana iya amfani da cajin da aka saba (sa'o'i 5) har sau 2000. Batirin lead-acid mai inganci iri ɗaya shine "sabon rabin shekara, tsohon rabin shekara, kulawa da kulawa na rabin shekara", har zuwa shekaru 1-1.5, kuma ana amfani da batirin lifepo4 a ƙarƙashin irin wannan yanayi, rayuwar ka'idar zata kai shekaru 7-8. Idan aka yi la'akari da cikakken bayani, rabon farashin aiki a ka'ida ya ninka sau huɗu na batirin lead-acid. Ana iya caji da sauri da kuma fitar da babban wutar lantarki tare da babban wutar lantarki 2C. A ƙarƙashin caja na musamman, ana iya caji cikakken baturin cikin mintuna 1.5 na caji 1.5C, kuma wutar farawa zata iya kaiwa 2C, amma batirin lead-acid ba shi da irin wannan aiki.
4. Kyakkyawan aikin zafin jiki
Mafi girman zafin lithium iron phosphate zai iya kaiwa 350 ° C -500 ° C yayin da lithium manganate da lithium cobaltate suke kusa da 200 ° C kawai. Faɗin zafin aiki (-20C–+75C), tare da juriya mai zafi, kololuwar dumama lantarki ta lithium iron phosphate na iya kaiwa 350 ° C-500 ° C, yayin da lithium manganate da lithium cobalt oxide suke kawai a 200 ° C.
5. Batirin Lifepo4 Babban ƙarfin aiki
Yana da ƙarfin da ya fi ƙarfin batirin yau da kullun (batura masu gubar gubar, da sauransu). Ƙarfin monomer shine 5AH-1000AH.
6. Babu tasirin ƙwaƙwalwa
Batirin da ake caji suna aiki a ƙarƙashin yanayi waɗanda galibi ba sa fitar da cikakken bayani, kuma ƙarfin zai faɗi ƙasa da ƙarfin da aka ƙididdige da sauri. Wannan lamari ana kiransa tasirin ƙwaƙwalwa. Ƙwaƙwalwa kamar batirin nickel-metal hydride da nickel-cadmium, amma batirin lifepo4 ba shi da wannan lamari, komai yanayin da batirin yake ciki, ana iya amfani da shi tare da caji, babu buƙatar fitarwa da sake caji.7. Batirin lifepo4 mai sauƙi
Batirin lifepo4 mai ƙarfin takamaiman aiki iri ɗaya shine 2/3 na girman batirin lead-acid, kuma nauyin shine 1/3 na batirin lead-acid.
8. Batirin Lifepo4suna da aminci ga muhalli
Batir gabaɗaya ana ɗaukarsa a matsayin wanda ba shi da ƙarfe mai nauyi da ƙarfe mai wuya (batir ɗin Ni-MH yana buƙatar ƙarfe mai wuya), wanda ba shi da guba (wanda aka ba da takardar shaidar SGS), wanda ba ya gurɓata, daidai da ƙa'idodin RoHS na Turai, takardar shaidar batirin kore ce. Saboda haka, dalilin da ya sa masana'antar ke fifita batirin lithium shine galibi la'akari da muhalli. Saboda haka, an haɗa batirin a cikin shirin haɓaka fasaha na ƙasa na "863" a lokacin "Tsarin Shekaru Biyar na Goma" kuma ya zama babban aikin haɓaka tallafi da ƙarfafa gwiwa na ƙasa. Tare da shigar China cikin WTO, yawan kekunan lantarki da ake fitarwa a China zai ƙaru da sauri, kuma ana buƙatar kekunan lantarki da ke shiga Turai da Amurka su kasance sanye da batura marasa gurɓata. Aikin batirin lithium-ion ya dogara ne akan kayan aiki masu kyau da marasa kyau. Phosphate na ƙarfe na lithium abu ne na batirin lithium wanda ya bayyana kawai a cikin 'yan shekarun nan. Ayyukan aminci da tsawon lokacin zagayowarsa ba su da kwatanci da sauran kayan aiki. Manyan mahimman alamun fasaha na batirin. Batirin Lifepo4 yana da fa'idodin rashin guba, rashin gurɓatawa, ingantaccen aiki mai aminci, kayan aiki iri-iri, farashi mai rahusa, da tsawon rai. Abu ne mai kyau na cathode don sabon ƙarni na amfani da na'urori masu auna zafin jiki.batirin lithium-ion.