Batiri lakanani lakanani ye mun ye?

A to n ka kɛ tiɲɛtigi ye ka kɔn o ɲɛ: an ye batiri tasuma minnu ye nin baara in na, olu fanba tun tɛ gundo ye. U tun bɛ se ka fɔ ka ɲɛ. Mɔgɔ dɔ ye lakana layɛrɛ dɔ tɛmɛn walasa ka dɔrɔmɛ 50 mara, walima sanni ɲɛmɔgɔ dɔ ye BM sɔngɔ gɛlɛnw ta Alibaba kan, walima-wa o bɛ kɛ ka tɛmɛ i bɛ miiri min na-Forklift operator dɔ ye fɛn in bila ka su kɛ bugu kɔnɔ ni fiɲɛ ye zeru waati la.

Batiri lakanani lakanani tɛ fɛn dɔw ye minnu tɛ fɛn ye. O ye fɛnɲɛnamafagalanw, porogaramuw, ani dilan sugandili ye minnu b’a to i ka batiri min bɛ se ka kɛ dɔrɔmɛ 15 000 ye, o kana kɛ dɔrɔmɛ 150 000 ye asiransi la. walima min ka jugu ni o ye.

An bɛ LifePo4 pakew dilan fɛnw ladonni ni izini bolifɛnw kama kabini san tan ni kɔ sisan. Nin barokun in jɔnjɔn ye fɛn bɛɛ ye an b’a fɛ mɔgɔ dɔ ka min fɔ an ye n’an y’a daminɛ-Ka fara kalan sɔngɔ gɛlɛn damadɔw kan an ye minnu sɔrɔ cogo gɛlɛn na.

Industrie grasmatic cellules bɛ kɔlɔsili sira barikamaw de wajibiya.

Mun na LifePo4 ani mun na a mago bɛ lakanani na hali bi .

Nin ye ɲininkali ye an bɛ min sɔrɔ kiliyanw fɛ tuma bɛɛ: "Ne tun b'a miiri ko litiyɔmu nɛgɛ fositɛri tun ye chimie safe ye. Mun na ne mago bɛ nin lakanani fɛn bɛɛ la?"

Fair point. LifePo4 lakanalen don tiɲɛ na ka tɛmɛ NCM walima NCA kan. Olivine kristalɛ jɔcogo tɛ ɔkisizɛni bɔ ni a sumayalen don, o kɔrɔ ye ko a tɛna a yɛrɛ ka tasuma lawuli i n’a fɔ ternary chimie bɛ se ka kɛ cogo min na. An ye wuluw doncogo sɛgɛsɛgɛliw kɛ seliw kan ka bɔ furakɛlikɛlaw la minnu tɛ kelen ye-LifePo4 seliw la, a ka c’a la, u bɛ se ka se degere 150 ma ani ka sigi dɔrɔn ka sigarɛti min. NCM selilɛriw bɛ o sɛgɛsɛgɛli kelen na wa? An ye 600℃+ ani tasuma yɛrɛ ye.

Nka "safer" kɔrɔ tɛ "safe" ye. An tun bɛ ni kiliyan ye san 2021-Logistics Company la Guangdong-min ye LifePo4 jateminɛ, o kɔrɔ ye k’u mago tɛ funteni kɔlɔsili la. A bɛ se ka kɛ RMB 800 ye pake kelen kɔnɔ. O kɔfɛ, Awirilikalo sera, Warehouse ye 45℃ambient sɔrɔ, chargement system tun tɛ ni thermal derating ye, wa u labanna ni pake saba fununenw ye ani kelen min bɛ tiɲɛ tiɲɛ na. Mɔgɔ si ma jogin, barika Ala ye. Nka u ye sisan an ka kiliyanw ye minnu bɛ baara kɛ kosɛbɛ BMS dafalen na.

Fɛn minnu bɛ tasuma don tiɲɛ na .

A kɛlen kɔ ka foro dɛsɛ tan ni caman ye (anw ni ɲɔgɔndannaw’), nin ye min bɛ tiɲɛ tiɲɛ na:

Chargement (sarali) ye yɔrɔ ye gɛlɛya 70% bɛ kɛ yɔrɔ min na.A ma discharge, a tɛ mara-Scharging. Kɛrɛnkɛrɛnnenya la:

• Charging below 0℃sans low-temps protection. Litiyɔmu platiw bɛ sɔrɔ anɔdi kan sanni u ka u don ɲɔgɔn na ka ɲɛ. I tɛ se k’a ye ko a bɛ ka kɛ. Kalo wɔɔrɔ o kɔfɛ, kɔnɔna-kurunba, thermal runaway. An tun bɛ ni kiliyan dɔ ye Harbin ka nin kelen in kalan sɔngɔ gɛlɛn na.
• Chargement overcharge parce que BMS voltage measurement drift ani mɔgɔ si ma o kɔlɔsi. Bugunw jate bɛ 3.65V sɔrɔ ka gɛrɛ 3,8V la cycle kelen-kelen bɛɛ la. A bɛ baara kɛ ka ɲɛ kalo saba kɔnɔ, o kɔfɛ don dɔ a tɛ kɛ.
• chargeur-BMS kumaɲɔgɔnya dɛsɛ. Charger hakili la batiri bɛ 50% SOC la, batiri bɛ 95% tiɲɛ na. Kuran dafalen don ka surunya-Full Pack. Waati juguw.

Seli balanbaliya min tɛ mɔgɔ si kɔlɔsi.16S pake kɔnɔ, ni selil kelen ye 50mAh ye ka dɔgɔya ka tɛmɛ tɔw kan, a bɛna 100% SOC sɔrɔ sani pake ka kɛ. Aw bɛ to ka wotoro boli k’a sɔrɔ aw ma balansi sɔrɔ, o selilɛri bɛ charge (sara) ka tɛmɛ waati kelen-kelen bɛɛ kan. An y’a ye ko pakew bɛ segin ka na garanti la yɔrɔ min na seli kelen tun bɛ 3,9V la ka tɔw sigi 3,5V. O ye tasuma ye min bɛ makɔnɔni na ka kɛ.

Mekaniki tiɲɛni min bɛ danfaralan tiɲɛ.Forklifts bɛ bin fɛnw kan. O ye tiɲɛ dɔrɔn de ye. Ni Impact bɛ seliw tiɲɛ kɔnɔna na-Hali ni kɛnɛma sɛgɛsɛgɛli bɛ ɲɛ-I bɛ se ka kɔnɔna surukuw sɔrɔ minnu bɛ mɛn. O de y’a to an bɛ nɛgɛdagaw spec for forklift applications, a tɛ aluminiyɔmu ye. Ɔwɔ, a ka gɛlɛn. Ɔwɔ, a nafa ka bon.

Lakanali waleyali: Ka gɛlɛyaw bali ka daminɛ .

O baara in bɛ nin tila ka kɛ "actif" ani "passif" lakanani ye. Active kɔrɔ ye ka ko juguw bali ka kɛ. Passif kɔrɔ ye tiɲɛniw kunbɛnni ye ni u kɛra cogo o cogo.

A daminɛ ni seliw yɛrɛ ye .

A bɛ fɔ ko a bɛ ye, nka: a bɛ seli ɲumanw san. An ye seliw sɛgɛsɛgɛ ka bɔ n’a sɔrɔla ka bɔ fɛn dilanbaga 20 danfaralenw na sanw kɔnɔ. A jɛnsɛnni jogo la, o bɛ mɔgɔ kabakoya tiɲɛ na. O kelenw tɔgɔla specs, kɛcogo wɛrɛw pewu ka kɛɲɛ ni tɔɔrɔ sɛgɛsɛgɛli ye.

Aw ka kan ka mun ɲini ni aw bɛ jateminɛ kɛ .Industrie Lithium Battery Supplier .:

• Aw bɛ wuluwulu doncogo sɛgɛsɛgɛli wideyow ɲini. Ba data sɛbɛnw- wideyow tiɲɛ na. Seli ɲumanw bɛ sigarɛti min ani sisi. Seli juguw jet tasuma.
• Aw bɛ separatɛri specs lajɛ. seramiki-Coated Separators bɛ funteni degunw ɲɛnabɔ cogo ɲuman na. An jiginna seramiki la-a dabɔra san 2019 dɔrɔn na, o kɔfɛ, danfaralan kɔrɔlenw ka kulu jugu ye foro dɛsɛ saba kɛ kalo saba kɔnɔ.
• Elektɔriti faralenw nafa ka bon. Flame Retardant Additives, Overcharge Protection Additives-Nin ​​fɛn in tɛ jago ye, o ye danfara ye seli min bɛ dɛsɛ ni nɛɛma ye ani min bɛ dɛsɛ ni fariya ye.

An ye san fila kɛ ka se ka an ka sisan selilɛri feerela sɔrɔ. A taara bɔ izini na siɲɛ naani. u ka QC taabolo lajɛ. O ye baara ye min bɛ mɔgɔ sɛgɛn nka o de y’a to an bɛ sunɔgɔ su fɛ.

BMS ye batiri, kɔlɔsili tension, current ani funteni hakɛ ye.

BMS: Sugunɛ min bɛ fɛn bɛɛ to ɲɛnamaya la .

An ka kɛ tiɲɛ ye-BMS bɛ se ka kɛ fɛn o fɛn ye ka bɔ $15 single-chip solution la ka se $500 multi-board system ma ni redundancy ye. I bɛ min sara, i bɛ o sɔrɔ.

BMS gɛlɛya sɔngɔ gɛlɛnw an ye minnu ye:

• Voltage sumani tiɲɛni ye ±30mV ye. Seli dɔ kan ni 100mv ye "Full" ni "Dangerously overcharged" cɛ, o tɛ ko ɲuman ye.
• Seli balan, walima balansi pasif dɔrɔn. Balannako pasif 50mA la, o bɛ dɔgɔkun yɛrɛ de ta walasa ka balanbaliyaba labɛn.
• Single-Point-Fa. Mosfet kelen bɛ sa, pake bɛɛ tɛ lakana.
• Funteni hakɛ jateminɛnanw tɛ, walima sensɛri kelen pake bɛɛ kama. funteni jiginni 20kWh pake kɔnɔ , o bɛ se ka 15 de dege nɔgɔya la . Sensɔrɔlan kelen tɛ foyi fɔ i ye.

BMS bɛnnen bɛ cogo di:

• A bɛ selilɛri ka voltage bɛɛ kɔlɔsi kelen-kelen. Module tɛ-Level, Cell-Level.
• Balancing active à currents significatifs (an bɛ 1a+ boli an ka pakew kan)
• Funteni hakɛ jateminɛnan caman ni jɔyɔrɔ jatebɔ .
• Sisan sensing actual ka se ka coulomb jate tiɲɛ .
• Kumaɲɔgɔnya ni chargeur ye ka ɲɛsin lakanani ma .
• Hardware Backup Disconnects Independent of the Main Processor .

musaka danfara min bɛ nɔgɔ BMS ni a bɛnnen cɛ, o bɛ se ka kɛ dɔrɔmɛ 200-300 ye forokilida pake kan. Paki musaka ye $8 ye,000+. Forklift musaka ye $30 ye,000+. a sigilen bɛ fɛnmarayɔrɔ min na o nafa ka bon... i b’a ye nin bɛ taa yɔrɔ min na.

Ni kiliyanw ye ladilikan ɲini an fɛ a ka .Litiyɔmu batiri dilannikɛla ., an b'a fɔ u ye ko: Aw ye BMS ko ɲininka. A ɲini ka schematic ye. Ni u ma a jira i la, i ka taama ka taa.

Charging Control: Tasuma fanba bɛ daminɛ yɔrɔ min na tiɲɛ na .

An ye nin kofɔ kaban nka a bɛ segin-ka-bɔ. Chargement (sara) ye farati ye.

Nin ye chargeur protection propre ye cogo min na:

Funteni-Sariji min bɛ kɛ ni wari ye.A bɛ 0 degɛrɛ la ? Aw kana charge (sara), walima ka charge (sara) ni current (kurunba) ye min bɛ dɔgɔya kosɛbɛ. sanfɛ 45 degɛrɛ ? O deal kelen. O tɛ 'fɛn ye min bɛ Se ka Kɛ. An ka standard packs tɛna hali sɔn charge jukɔrɔ -10℃-BMS bɛ ban dɔrɔn ka charge contactor da tugu.

Side note: An ye feerelikɛlaw bila ka layidu ta kiliyanw ye "-20℃chargement seko" la o kɔfɛ injiniyɛri ka kan k'a ɲɛfɔ mun na o tɛ kɛ. Lithium plating ye litiyɔmu plati ye. Fiziki tɛ hami i ka feereli laɲini na.

Voltage-Basa termination ni margin.Ni seliluw jate 3,65V max, an bɛ ban 3.60V. Ɔwɔ, i bɛ bɔnɛ laala 2-3% baara seko la. Aw fana t'a fiyɛ. Tradeoff ɲuman.

Passive Protection: Ni kow ma ɲɛ cogo o cogo .

A filɛ, an bɛ se ka lakanani sira ɲumanw jɔ diɲɛ kɔnɔ ani fɛnw bɛna dɛsɛ tuma dɔw la. Kamiyɔn dɔ bɛ boli i ka batiri kan. Sanjiba bɛ na ni ɛntɛrinɛti ye. Mɔgɔ dɔ bɛ lasɔmini bɛɛ jateminɛn ani ka charge (sara) wajibiya -30℃(degere) la bawo jiginni ka kan ka bɔ.

Lakanali min tɛ kɛ ka ɲɛ, o ye tiɲɛni dantigɛli ye ni lakanani waleyali ma ɲɛ.

Barriers thermal .

seliw ni ɲɔgɔn cɛ, moduluw ni ɲɔgɔn cɛ, ani pake kɛnɛma lamini na. Laɲini tɛ ka thermal runaway dabila-Ni a daminɛna, a bɛ taa. Laɲini ye ka jɛnsɛnni sumaya walasa waati ka se ka kɛ.

An bɛ baara kɛ ni seramiki fibre sɛbɛnw faralen ye ɲɔgɔn kan modulu ni airgel blankets cɛ kɔnɔna kogow kan. A tɛ sɔngɔ gɛlɛn ye. Nka ni seli kelen taara, a kɛrɛfɛ seliw bɛ sekɔndi 30-60 wɛrɛ sɔrɔ ka sɔrɔ ka funteni jugumanba sɔrɔ. O bɛ kɛ tuma caman na waati bɛrɛ la walasa suppression systems ka se ka baara kɛ walima ka pake ka tigɛ ani ka fiɲɛ bɔ lafiya la.

mɔgɔ o mɔgɔ bɛ sɔrɔ ka bɔ a la .LifePo4 Batiriw ka furakɛli kɛcogo ɲɛnabɔbaga ., ɲininkali kɛ thermal barika specs ko la. N'u ma Se k'a Fɔ i ye u ka barikalanw ka funteni-taama ni u ka tasuma-fanga-minɛnw na, o ye darapo bilenman ye.

Tasuma kunbɛncogo .

Walasa ka high-Nafa installations sɔrɔ, i b’a fɛ ka dedicated suppression sɔrɔ. Tasumafagalan jɔnjɔnw tɛ baara kɛ ka ɲɛ batiri litiyɔmu kan-Tasuma ye kɔnɔna ye, a bɛ boli yɛrɛ de fɛ-sumaya walew minnu ji tɛ se ka jɔ.

An ye baara kɛ ni suppression systems ye minnu bɛ baara kɛ ni perfluorohexanone ye-Agents basigilenw. U bɛ seliw nɛnɛ ka sɔrɔ ka jeninida bali kemikali la. A tɛ dafalen ye, nka a ka fisa kosɛbɛ ka tɛmɛ a ɲinini kan ka CO2 fiyɛ kɔnɔna na kemikaliya waleyali la.

Kuma lakika kɔni: Suppression ye fɛɛrɛ laban ye. Ni aw ka suppression system bɛ baara kɛ, aw ka batiri tiɲɛna kaban. I bɛ dan sigi dɔrɔn collateral tiɲɛni na o waati la. A ka fisa i kana mago don a la abada.

Enclosure design .

A ka kan ka fɛn caman kɛ:

• Gazi minnu bɛ fiɲɛ bɔ , olu bɛ sɔrɔ u kɔnɔ ani u bɛ u ɲɛsin mɔgɔw ma .
• Survive Mechanical Abuse (Forklift Packs bɛ jigin, ka gosi, ka boli ka don fɛnw na)
• IP jate mara hali ni a kɛra impacts ye .
• Aw bɛ a to funteni ka bɔ baara kɛcogo ɲuman na k’a sɔrɔ funteni bɛ sɔrɔ funteni waatiw la .

An bɛ nɛgɛdagaw spec ni ventilateurs directs ye an ka forklift applications bɛɛ la. Vent sira kow-I t’a fɛ gazi ka sumaya kosɛbɛ min ɲɛsinnen bɛ baarakɛla ma walima fɛn minnu bɛ se ka tasuma bɔ.

Fault Diagnostic (Dɔgɔya sɛgɛsɛgɛli): Gɛlɛyaw sɔrɔli sani u ka kɛ tasuma ye .

Nin ye yɔrɔ ye min bɛ batiri juguw ni fɛn sɔngɔ gɛlɛnw faranfasi.

Real-Waati kɔlɔsili bɛ farati teliyalenw minɛ-voltage jigin waati la discharge waati la, o kɔrɔ ye fɛn dɔ ka surunya; Funteni sɛgɛsɛgɛli chargement waati la, o kɔrɔ ye ko fɛn dɔ ma ɲɛ. Olu mago bɛ jaabi teliya la.

Nka fɛn nafamaw ye trend analysis ye. Seli min bɛ to ka sumaya degere 5 la ka tɛmɛ a sigiɲɔgɔnw kan, n’a sɔrɔla o kɔnɔna bɛ se ka wuli. A tɛ farati ye bi. A bɛna kɛ kalo wɔɔrɔ kɔnɔ. BMS ɲuman bɛ nin kunnafoniw sɛbɛn, ka taabolo jira, wa a b’a to i k’a ɲɛnabɔ ladonni bolodalen waati la sanni ka kɛ fɛnmarayɔrɔ tasuma waati la.

An bɛ kalo o kalo data pulls kɛ an ka fleets bɛɛ kan-Deployed packs. An ye filiw yiriwa siɲɛ tan ni fila la dɔgɔmannin minnu tun bɛna kɛ foro dɛsɛw ye ni u ma jate. Paki kelen y’a jira ko selilɛri kelen bɛ 20mv sanfɛ kalo saba kɔnɔ. A samara, a sɛgɛsɛgɛra, a bɛ sɔrɔ joona-Stage Separator Degradation. Module in b'a nɔ na, ​​pack bɛ ka boli ka ɲɛ hali bi san fila kɔfɛ.

ni i bɛ kuma potentiel dɔ kan .Batiri litiyɔmu OEM jɛɲɔgɔn ., aw bɛ ɲininkali kɛ u ka sɛgɛsɛgɛli sekow la. A ɲini ka misali ye Fleet data rapɔɔriw la. Ni u tɛ se ka trend analysis ani predictive maintenance data jira aw la, u ka BMS bɛ se ka kɛ dɔrɔn ka basic threshold monitoring- min ye bare minimum ye.

sariyaw ani u kɔrɔ ye min ye tiɲɛ na .

ONU38.3, IEC 62619, UL 1973-I bɛna nin seereyaw ye yɔrɔ bɛɛ. Nin ye tiɲɛ ye min man di: ni i ye nin sariyaw tɛmɛ, o kɔrɔ ye ko i ka batiri bɛ se ka wajibiyalenw dafa. O kɔrɔ tɛ ko a ka ɲi.

An ye ɲɔgɔndan pakew kɔrɔbɔ minnu tun bɛ ni seereyaw bɛɛ ye ani hali bi u ma se ka basiki tɔɔrɔ sɛgɛsɛgɛli kɛ an bɛ boli min kɔnɔ{0}}house. Standards ye duguma ye, a tɛ plafond ye.

O fɔlen, ni feerekɛla dɔ ma se ka nin cert ninnu jira i la, boli. U ye tabali stakew ye. Dɔrɔn kana a miiri ko seereyaw bɛ bɛn jogo ɲuman ma.

An ka kɔnɔna sɛgɛsɛgɛli bɛ tɛmɛ sariya wajibiyalenw kan. Funteni hakɛ danw bɛ dɔgɔya. A ka ca a la, a bɛ kɛ ni tɔɔrɔ ye sisan. Bisikili sumayalen janyalen. An b’a fɛ k’a dɔn an ka pakew bɛ dɛsɛ cogo min na, a tɛ kɛ dɔrɔn ko u bɛ tɛmɛ kɔrɔbɔli kɛrɛnkɛrɛnnen dɔ kan.

Kunnafonidila minnu mago bɛ ladamucogo labɛnni na-Nafasabaliw, cogoya kɛrɛnkɛrɛnnenw, jɛɲɔgɔnya ni sigida laminiw-Baara kɛ ni a yeBatiri min bɛ kɛ ni litiyɔmu ye, o bɛ kɛ ka kɛɲɛ ni mɔgɔw sago ye .Jɔn bɛ nin sɛgɛsɛgɛli janyalen sugu in kɛ, o nafa ka bon. Seereyaw b'a fɔ i ye ko pack meet code. Kɔrɔbɔli janyalen b’a fɔ i ye a bɛna baara kɛ cogo min na tiɲɛ na i ka ɲininisɛbɛn kɔnɔ.

An bɛ min laadi tiɲɛ na .

Nin bɛɛ kɔfɛ, i ka kan ka mun kɛ tiɲɛ na n’i bɛ batiriw ɲɛfɔ izini baarakɛminɛnw kama?

Tiɲɛ na, nin baara in ye ɲɛtaa sɔrɔ san duuru tɛmɛnenw na. An y’a daminɛ tuma min na, pake minnu bɛ sugu la, olu tilancɛ tun ye waati bombew ye. Sisan, fɛn dilanbagaw minnu ka jugu kosɛbɛ, olu bɛ ka sigida lakanalenw jɔ cogo bɛnnen na. Nka "hakilila ɲuman" bɛ yɔrɔ to hali bi musaka sugu la-tigɛ min bɛ tasuma lase. Aw ka baara bɛ ka jateminɛ kɛ fɛn dilanbaga minnu bɛ baara kɛ tiɲɛ na ka tɛmɛ minnu bɛ kɛsu lajɛ dɔrɔn.

Batiri lakanani tɛ sexy ye. A tɛ jago ɲuman kɛ. Mɔgɔ si ma deli ka forklift san bawo batiri tun bɛ ni thermal runaway propagation resistanceba ye.

Nka a sɔrɔ a ma ɲɛ ani fɛn tɔw bɛɛ bɛ jɔ teliya la kosɛbɛ. An y’an tɔgɔ ɲuman jɔ pakew kan minnu bɛ baara kɛ dɔrɔn, san o san, cogoyaw la minnu bɛna sistɛmu sɔngɔ gɛlɛnw faga. O de ka kan ka ɲini i ka furakɛlikɛla o fɛn na i bɛ min jateminɛ.

Ɲininkaliw? An bɛ nisɔndiya tuma bɛɛ ka kuma baarakɛcogo kɛrɛnkɛrɛnnenw fɛ. O de ye an bɛ yan.