Menene batirin ƙananan zafin jiki? Fa'idodi da ayyuka na batir lithium masu ƙarancin zafin jiki

Abokai da yawa za su yi tambayoyi lokacin da suka ji martanin farko na batir masu ƙarancin zafin jiki: Menene ƙaramin zafin baturi? Akwai wani amfani?

Menene baturi mara zafi?

Ƙananan baturi baturi ne na musamman wanda aka ƙera musamman don ƙarancin zafin jiki da ke tattare da aikin tushen wutar lantarki. The ƙananan baturi yana amfani da VGCF da carbon da aka kunna tare da takamaiman yanki na (2000 ± 500)㎡/gas additives, kuma yana dacewa da kayan lantarki masu kyau da mara kyau. Ana allurar musamman electrolytes tare da ƙari na musamman don tabbatar da aikin fitarwar ƙarancin zafi na ƙaramin zafin jiki. A lokaci guda, babban zafin jiki The girma canji kudi na 24h a 70 ℃ ne ≦0.5%, wanda yana da aminci da kuma ajiya ayyuka na al'ada lithium baturi.

Batura masu ƙananan zafin jiki suna nufin baturan lithium-ion wanda zafin aiki ya kasa -40 ° C. An fi amfani da su a sararin samaniyar soja, kayan aikin da aka ɗora a cikin abin hawa, bincike na kimiyya da ceto, sadarwar wutar lantarki, lafiyar jama'a, na'urorin likitanci, layin dogo, jiragen ruwa, robots, da sauran fagage. Ana rarraba batir lithium masu ƙarancin zafin jiki gwargwadon aikin fitar da su: ajiyar makamashi, batir lithium mai ƙarancin zafi, da nau'in ƙima mai ƙarancin zafi. Dangane da filayen aikace-aikacen, ƙananan batir lithium masu zafi sun kasu zuwa ƙananan batir lithium masu zafi don amfani da soja da ƙananan ƙananan batir lithium masu zafi na masana'antu. Yanayin amfani da shi ya kasu kashi uku: batura masu ƙarancin zafin jiki na farar hula, batura masu ƙarancin zafin jiki na musamman, da matsanancin yanayin batura masu ƙarancin zafi.

Wuraren aikace-aikacen batura masu ƙarancin zafin jiki sun haɗa da makamai na soja, sararin samaniya, kayan hawan makami mai linzami, binciken kimiyya na polar, ceto mai sanyi, sadarwar wutar lantarki, amincin jama'a, na'urorin likitanci, layin dogo, jiragen ruwa, robots, da sauran filayen.

Fa'idodi da ayyuka na batir lithium masu ƙarancin zafin jiki

Batir lithium masu ƙarancin zafin jiki suna da fa'idodin nauyi mai nauyi, takamaiman ƙarfi, da tsawon rai kuma ana amfani da su sosai a cikin na'urorin lantarki daban-daban. Daga cikin su, batirin lithium-ion polymer low-zazzabi kuma yana da fa'idodi na marufi mai sauƙi, mai sauƙin canza siffar geometric na guguwa, ultra-light and ultra-thin, da babban aminci. Ya zama tushen wutar lantarki ga samfuran lantarki da yawa na wayar hannu.

Ba zai iya amfani da baturan farar hula na yau da kullun a -20°C, kuma har yanzu yana iya amfani da batir lithium masu ƙarancin zafin jiki, yawanci a -50°C. A halin yanzu, ana amfani da batir masu ƙarancin zafin jiki gabaɗaya a cikin yanayi na ℃ ko ƙasa. Baya ga samar da wutar lantarki na sadarwa, samar da wutar lantarki mai ɗaukar hoto na soja, samar da wutar lantarki, da ƙananan na'urorin wutar lantarki suna fitar da wutar lantarki kuma suna buƙatar amfani da batura masu ƙarancin zafi. Waɗannan kayan wutan lantarki kuma suna da ƙayyadaddun ƙayyadaddun ƙayyadaddun yanayin zafi lokacin aiki a fagen.

Har ila yau, ayyukan binciken sararin samaniya kamar jirgin sama da shirin saukar da wata da ake aiwatarwa a kasar Sin na bukatar samar da wutar lantarki mai inganci, musamman batir lithium masu zafi. Saboda samfuran sadarwar soja suna da ƙaƙƙarfan buƙatu akan halayen baturi, musamman ma buƙatar garantin sadarwa a ƙananan yanayin zafi. Don haka, haɓaka batir lithium masu ƙarancin zafin jiki yana da matuƙar mahimmanci ga ci gaban masana'antar soji da na sararin samaniya.

Ana amfani da batirin lithium masu ƙarancin zafin jiki sosai saboda ƙarancin nauyi, ƙayyadaddun kuzari, da tsawon rayuwa. Batir lithium masu ƙarancin zafin jiki an yi su ne da kayan aiki da matakai na musamman kuma sun dace don amfani a cikin yanayin sanyi mara nauyi.

Injiniyoyi a Jami'ar California, San Diego, sun sami nasarar ƙera batirin lithium iron phosphate lithium-ion mai ƙarancin zafin jiki wanda zai iya kula da aiki a cikin ɗaki a ƙaramin zafin jiki na 60 ° C. A halin yanzu, nau'ikan batura masu ƙarancin zafi waɗanda zai iya sakawa a kasuwa galibi sun haɗa da batirin lithium baƙin ƙarfe phosphate mai ƙarancin zafi da batir lithium masu ƙarancin zafi na polymer. Waɗannan nau'ikan fasahar batir masu ƙarancin zafin jiki iri biyu sun girma.

Fasalolin batirin lithium baƙin ƙarfe phosphate mara zafi

• Kyakkyawan ƙarancin zafin jiki: fitarwa a 0.5C a -40 ℃, ƙarfin fitarwa ya wuce 60% na jimlar farko; a -35 ℃, fashe a 0.3C, iyawar fitarwa ya wuce 70% na jimlar farko;
• Faɗin zafin jiki na aiki, -40 ℃ zuwa 55 ℃;
• Ƙananan zafin jiki lithium iron phosphate baturi yana da 0.2c madaidaicin gwajin sake zagayowar a -20 ° C. Bayan zagayowar 300, har yanzu akwai ƙimar riƙewa fiye da 93%.
• Yana iya fitar da yanayin fitar da batirin lithium baƙin ƙarfe phosphate mara zafi a yanayin zafi daban-daban a -40°C zuwa 55°C.

Batirin lithium iron phosphate mai ƙarancin zafin jiki wata sabuwar fasaha ce da aka haɓaka bayan dogon bincike da haɓakawa da gwaji. Ana ƙara ɗanyen kayan aiki na musamman a cikin lantarki. Kyawawan kayan albarkatun kasa da fasaha suna tabbatar da aikin fitarwar baturi mai inganci a yanayin zafi mara zurfi. Wannan batirin lithium baƙin ƙarfe phosphate mai ƙarancin zafin jiki ana amfani dashi sosai a wurare masu ƙarancin zafi kamar kayan aikin soja, masana'antar sararin samaniya, kayan ruwa, binciken kimiyyar polar, sadarwar wutar lantarki, tsaro na jama'a, na'urorin lantarki, da sauransu.