Litiyamu batiri jumɛnw ye farati ye? Lakanali gafe min bɛ B2B sannikɛlaw bolo
LFP (fositɛri nɛgɛ litiyamu) ye fɛɛrɛ ye min farati ka bon sisan B2B tali la. Nka "safe" kɛra baara ye ka tɛmɛ a feerelaw fɛ fo a kɔrɔ tɛ foyi ye tugun.N y’a ye ko LFP batiriw ni BMS dilancogo juguw ani selilɛriw bɛnkan nɔgɔlen bɛ gɛlɛya caman lase u ma i n’a fɔ faratiba -kimisɛriw.
N bɛ sannifeere ni porozɛ dɛmɛni kɛ Polinovel la kabini san wɔɔrɔ. San 2023, an ka AGV kuntigi dɔ nana an fɛ u ka feerekɛla kɔrɔ ka LFP batiriw tiɲɛni daminɛ kɔfɛ. Chimie tun ka ɲi. Nka BMS tun bɛ ni balansi kuran 80mA dɔrɔn ye, wa kalo wɔɔrɔ tɛmɛnen kɔfɛ, selilabana jɛnsɛnni jiginna ka se 63mV ma. O pake in ye lakanani dabila daminɛ u ka fɛn dilanni sira cɛmancɛ la. Lɛrɛ naani jɔli waati. U ma bɔnɛ tigitigi fɔ n ye abada, nka u ma sanni kɛ o feerekɛla fɛ tugun.
O la, nin barokun in tɛ "farati bɛ chimie jumɛn" dɔrɔn de kan. A bɛ kumacogo min na a bɛ se k’a dɔn ni batiri bɛ se ka da a kan tiɲɛ na, ani ni musaka minnu bɛ bɔ sugandili sɔngɔ gɛlɛnw na, olu bɛ kisi ni ɲɔgɔnkanu ye ni diɲɛ baarakɛcogo lakikaw ye -.
Chimie: LFP ka fisa ni tɔw ye, nka a tɛ kɛ kun minnu na, barokun fanba b’a fɔ minnu na
aw bɛna a kalan yɔrɔ bɛɛ ko LFP funteni tiɲɛni bɛ kɛ degere 270 la k' a sɔrɔ NMC bɛ degere 200 dɔrɔn de la . Sɛbɛ. Nka tiɲɛ na, ni degere 200 ye i ka minɛnw tiɲɛna kaban. O danfara min ye degere 70 ye, o tɛ ko ye min nafa ka bon.
Min nafa ka bon, o yefunteni bolicogo jɛnsɛnni hakɛ.
An ye sugandili sɛgɛsɛgɛli kɛ forokili porozɛ dɔ kama san 2022. An ye NCA ni LFP selilɛri fila bɛɛ ci laboratuwari dɔ la walasa ka funteni bolicogo kɛlɛ. NCA seliluw, ni u daminɛna siɲɛ kelen, u y’a jira ko funteni jiginni tɛmɛna degere 400 kan miniti kelen kɔnɔ. K’a ta alarma fɔlɔ la ka se tasuma yelen ma miniti fila jukɔrɔ. LFP selilɛriw ye? A jɛnsɛnni hakɛ bɛ se degere 1,7 ma /min. Tasuma-fanga-minɛnw tun bɛ waati sɔrɔ ka baara kɛ tiɲɛ na.
PowerTech Systems ka fɛɛrɛbɔ sɛbɛn dɔ bɛ yen min bɛ NCA jɛnsɛnni hakɛw fɔ fo ka se degere 470 ma /min (powertechsystems.eu). An ye min suman, o gɛrɛgɛrɛ. Nin ye kun yɛrɛ ye min ye LFP lakanani ye:a tɛ fɔ ko a tɛna dɛsɛ, nka ko n’a dɛsɛra, waati bɛ i bolo ka i yɛrɛ minɛ.
N y’a ye fana ko LFP batiriw bɛ tasuma minɛ. San 2024, kamiyɔn dɔ min tun bɛ LFP fanga marayɔrɔ kabiniw ta, o wulila Tayiwani jamana na. Batiriw sigilen tun bɛ yen sanga 16 kɔnɔ, o kɔfɛ, u tun bɛ tasuma don u yɛrɛ la. A ye tasuma don a la kokura. A bɛ jeni fo lɛri tan ni kɔ. O la, aw kana a miiri ko LFP kɔrɔ ye ko aw bɛ se ka lakanabaliya jate.
Fɛn dilanni jogo ɲuman: Ne b’a fɛ ka waati dɔ kɛ yɔrɔ min na, o ye nin ye
Simi bɛ sugandi a feerela fɛ. Aw tɛ se k’a Changer. Nka fɛn dilanni jogo bɛ se ka sɛgɛsɛgɛ, wa gɛlɛya fanba bɛ bɔ nin yɔrɔ de la tiɲɛ na.
Selilɛriw ka ɲɔgɔndɛmɛ
An banna seliw kulu saba ma salon. O bɛɛ kɛra sababu ye ka voltage jɛnsɛnni tɛmɛn an ka sariyaw kan. Batch kelen bɔra feerekɛla dɔ la min lakodɔnnen don kosɛbɛ-. U ka sɛgɛsɛgɛli rapɔɔri y'a jira ko "voltage spread<=10mV." An ka sɛgɛsɛgɛli min nana, o ye 34mV sɔrɔ.
Mun na ne b’a janto kosɛbɛ voltage jɛnsɛnni na?
Thread dɔ bɛ DIY Solar Forum kan, baarakɛla "OffGridInverters" y'a ɲɛfɔ ka jɛya yɔrɔ min na:
"Selilu minnu jɛnsɛnna ka tɛmɛ 30mV kan ɲɔgɔn fɛ, minnu ka dɔgɔ, olu bɛ bɔ ka tɛmɛ{1}}, minnu ka bon, olu bɛ charge (sara) caya. BMS bɛ pake bɛɛ lakana, a t'a janto seli kelen-kelen bɛɛ ka saya la."(Alimankan na)
An ka donta sariya ye voltage jɛnsɛnni ye 15mV jukɔrɔ, kɔnɔna resistance variation 5% jukɔrɔ. Fɛn dilanbaga caman tɛ se ka o kunbɛn tuma bɛɛ.
Soudure Quality (Soudure Quality) ye
O minɛni ka gɛlɛn ka tɛmɛ. Laser welding ni resistance spot welding bɛ ɲini ka kɛ kelen ye ni i bɔra kɛnɛma, nka dannaya min bɛ kɛ waati jan kɔnɔ, o tɛ kelen ye kosɛbɛ.
N ye pake dɔ tiɲɛ siɲɛ kelen. Jeni yelen sɔrɔla-ka tɛmɛ taamasiɲɛw fɛ elekitorode tab welds kan. Nin fiɲɛ sugu in, BMS tɛ se k’a dɔn. Kuran baarakɛcogo sɛgɛsɛgɛliw b’a jira ko a bɛ cogo la. Nka san kelen walima san fila tɛmɛnen kɔfɛ, welda jogindaw bɛ sɛgɛn ani u bɛ dɛsɛ.
Mɔgɔ dɔ min bɛ Reddit r/batteriw kan, o ye batiri dɔ foto bila u ye min da wuli, ka solder joints nɛnɛmanw sɔrɔ a kɔnɔ. Comment yɔrɔ min falen bɛ mɔgɔw la k’a fɔ k’u ye o ko kelen ye. Aw tɛ se k’o minɛ sannifeere waati. Aw bɛ se ka fɛn dilanbaga ɲuman dɔrɔn de sugandi.
So jalen ka humidité Control
O ye ko ye min tɛ jɛya ka tɛmɛ o kan. Litiyamu batiri dilanni mago bɛ nɛnɛ na min bɛ 500ppm duguma. Ji bɛ ɲɔgɔn sɔrɔ ni ɛlektrɔli ye ka asidi fluorique dilan, ka kɔnɔnafɛnw tiɲɛ, ka mikro-shorts (mikɔrɔ-shorts) dilan.
Gɛlɛya ye ko mikro-shorts bɛ se ka to sunɔgɔ la kalo caman kɔnɔ, hali san kelen, sanni u ka kɛ sababu ye ka funteniko kɛ. Fɛn bɛɛ bɛ i n’a fɔ a bɛ cogo la sɔnni sɛgɛsɛgɛli waati. Kalo wɔɔrɔ o kɔfɛ, barika la, funteni bolila, wa i tɛ se k’a dɔn mun na.
N ye fɛn dilanbaga caman ɲininka u ka so jalenw nɛnɛ kɔlɔsili sariyaw kan. Dɔw ma se ka jaabi di. Dɔw ye jateden fuw di. Fournisseurs minnu bɛ se k’u ka so jalen kɔlɔsili sɛbɛnw jira n na? Fɔlɔ, mɔgɔ fla dɔrɔn de bɛ yen.
BMS: Yɔrɔ min na Cheap bɛ sɔngɔ gɛlɛn sɔrɔ
Dɛsɛ dogolenw
N b'a fɛ ka sɛgɛsɛgɛli dɔ ɲɛfɔ "MAXIMUM_AMPS" fɛ, n'o ye sitɛmu injiniyɛri ye min bɛ Endless Sphere foro la. A ye BMS pankurun sɔngɔ gɛlɛn dɔw tigɛtigɛ ka gɛlɛya damadɔ sɔrɔ minnu bɛ sɔrɔ tuma caman na:
A fɔlɔ, lakanani IC baara jugu.
BMS unit sɔngɔ gɛlɛn caman bɛ baara kɛ ni puwɛntiw ye i n’a fɔ DW01, min dabɔra seli kelen-selilu baarakɛcogo kama. Nka 4S, 10S, 14S BMS pankurun tɔni caman bɛ sugu la ni nin puce in ye. Seli kelen-kelen bɛɛ b’a yɛrɛ ka lakanani IC yɛrɛmahɔrɔnyalen sɔrɔ. A bɛ iko a bɛnnen don, tiɲɛ tɛ? Gɛlɛya : ni IC kelen ma ɲɛ, o seli bɛ ni lakanani zeru ye, wa sistɛmu tɛ lasɔmini foyi di.
Fil fɔlɔ min bɛ yan: endless-sphere.com/sphere/threads/circuit-sɛgɛsɛgɛli-ka-bms-sɔngɔ-ani{18}}munna-i-man kan{11}}ka baara kɛ ni{12}} kelen ye.103527
Filanan, balansi kuran ka dɔgɔ kojugu.
DIY Solar Forum ye baro kɛ o kan kosɛbɛ. BMS balansi kuran sɔngɔ gɛlɛn cogoya bɛ boli 50 fo 150mA. Jatebɔ kɛ: 100Ah selilɛri, 1% SOC balanbaliya ye 1Ah ye, 100mA balansi la min bɛ sanga 10 ta.
Nka tiɲɛ yɛrɛ ka jugu ka tɛmɛ o kan. BMS caman bɛ balansi baara dɔrɔn de kɛ charge laban na. Ni aw ka minɛnw bɛ baara kɛ ni opportunity chargement ye (aw bɛ don dɔɔnin, o kɔ aw bɛ a bɔ), aw bɛ se ka se balancing trigger threshold ma abada.
An bɛ balansi active 500mA minimum de wajibiya sisan fleet poroze o poroze la. A musaka bɛ se RMB 50 fo 70 ɲɔgɔn ma ka tɛmɛ pake kelen kan. Nka an ka baarakɛyɔrɔ weleli jigira kosɛbɛ.
Sabanan, funteni kɔlɔsili min tɛ foyi kɛ.
A ka c’a la, BMS sɔngɔ gɛlɛn bɛ thermistor kelen bila kafoda la. Board funteni ni selilɛri funteni bɛ se ka danfara don ni degere 15 fo 20 ye. Ni board sensor ye funteni tɛmɛnen dɔn, a bɛ se ka kɛ ko seliluw bɛ gɛlɛya la kaban.
Dilancogo ɲuman kɔrɔ ye funteni jateminɛnan caman ye, thermistors minnu bɛ sigi seliw sanfɛ k’a ɲɛsin u yɛrɛ ma, lakanani hakilina min bɛ daminɛ kalan sanfɛla fɛ.
Batiri nkalonmaw ni batiri minnu ma sɛgɛsɛgɛ: A ka ca ka tɛmɛ i hakilina kan
IEEE Spectrum ye kunnafoni di sɛgɛsɛgɛli dɔ kan ko CT-ye 1,054 18650 seliluw sɛgɛsɛgɛ. Budjet maraw ka seliw cɛma, 8% ɲɔgɔn tun bɛ ni "anode overhang" nafamafɛnw ye. O bɛ kɔnɔna na, kurukuruni farati lase mɔgɔ ma, nka sɛgɛsɛgɛli kɛcogo jɔnjɔn tɛ se k’a dɔn. (spektrum.ieee.org)
Batiri nkalonmaw lasɔmini taamasiɲɛw:
Seko ni dɔnko fɔlenw.18650 seli lakikaw sisan max out lamini na 3,500mAh. Fɛn o fɛn bɛ 5000mAh walima 9900mAh fɔ, o ye nkalon ye. Kuntaala.
Sɔngɔw dɔgɔyali cogo la min tɛ bɛn.LFP seliw san 2025 bɛ boli dɔrɔmɛ 36/kWh ɲɔgɔn na selilɛri hakɛ la ka kɛɲɛ ni BloombergNEF ka fɔta ye. Ni quotations bɛ nin jukɔrɔ kosɛbɛ, i bɛ se ka kɛ Grade B cellules nkalonmaw ye walima minnu tɔgɔ sɛbɛnna kokura.
Jiginni teliya kojugu.A ka c’a la, izini batiri ɲumanw bɛ dilan ka kɛɲɛ ni komandi ye. Dɔgɔkun 4 ka se dɔgɔkun 8 ma, o ye ko ye min bɛ kɛ cogo la. Kurunw bɛ bɔ dɔgɔkun kelen kɔnɔ wa? Laala stock kɔrɔ walima sourcing dɔnbali.
UN38.3 seereyali fɔlɔ-waati tɛmɛnen hakɛ bɛ 70% lamini. O kɔrɔ ye ko batiri dilanni 30% bɛ dɛsɛ bolifɛnw lakanani sɛgɛsɛgɛli jɔnjɔnw na. Fɛn minnu tɛ ni seereyaw ye wa? Farati ka bon dɔrɔn.
Musow ka musakaw suma ɲɔgɔn na: Jateden lakikaw bɔra an ka porozɛw la
A to n ka kunnafoni lakikaw tila ɲɔgɔn na ka bɔ kiliyanw ka baarakɛyɔrɔw la.
Forklift batiri caman cili (2023, Warehouse Kunnafonidila Sinuwa kɔrɔnyanfan fɛ)
Kunnafonidila tun bɛ baara kɛ ni plɔmu-asidi ye kabini san duuru. A y’a ɲini an fɛ an ka LFP caman cili kofɔ.
| Minɛn | Plɔmu-Asidi | LFP (LFP) ye |
|---|---|---|
| Batiri unit musaka | $8,500 | $21,000 |
| Chargeur caman caman cili | U si mago tun tɛ o la | $3200/unit |
| O bɛɛ lajɛlen ye mobili 12 ye | $102,000 | $290,400 |
Kunnafonidila ka jaabi fɔlɔ: a sɔngɔ ka gɛlɛn kojugu. N y’a ɲini u fɛ u ka san 5 baara musakaw jate.
San 5 Baara musakaw:
Plomb-asidi kɛcogo:
- Batiri caman cili (siɲɛ 2 san 5 kɔnɔ): ¥8500 × 2 × 12=¥204000
- Kuran (80% chargement nafama): ~¥4,200/unit/san × 12 × 5=¥252.000
- Ladonni (ji, asidi sɛgɛsɛgɛli): ~¥800/unit/san × 12 × 5=¥48,000
- Baarakɛcogo bɔnɛna ka bɔ chargement makɔnɔni waati la : jatebɔ ma kɛ, nka kiliyan ko a dɔgɔyalenba la lɛrɛ 1,5 bɔnɛna mobili kelen na tile kɔnɔ
LFP ka ko kɛlenw:
- Batiri caman cili: ¥0 (san 8 garanti, a ka c’a la, a mago tɛ fɛn caman cili la san 5 kɔnɔ)
- Kuran (95% chargement nafama): ~¥3,500/unit/san × 12 × 5=¥210.000
- Ladonni: ¥0
- Baarakɛcogo ɲɛtaa : sababu sarali bɛ se ka kɛ, miniti 15 tilelafana lafiɲɛbɔ waati min bɛ se ka mɛn fo ka se baarakɛwaati laban ma
San 5 bɛɛ lajɛlen:
Plɔmu-asidi: ¥102,000 + ¥504,000=¥606.000
LFP: ¥290,400 + ¥210,000=¥500.400
Danfara bɛ ¥100.000 lamini na. N’i ye jateminɛ kɛ baarakɛcogo bɔnɛnenw na, o danfara bɛ bonya.
Kunnafonidila sɔnna o poroze ma. Boli bɛ san fila bɔ sisan, ko belebele si ma kɛ.
Kuwati marali ROI (2024, izini min bɛ Jiangsu mara la)
Nin porozɛ in tun ye peak-shaving system ye fɛn dilanyɔrɔ dɔ la.
Sistɛmu seko: 500kWh
Investissement bɛɛ lajɛlen: ¥680.000 (a sigili sen bɛ o la)
Kɔnɔna sɔngɔ jɛnsɛnni kuncɛlen-: ¥0,62/kWh
Don o don sɛgɛsɛgɛli juguya: 0,8
Baarakɛdonw san kɔnɔ: 300
San o san kuran marali: 500 × 0,8 × 0,62 × 300=¥74.400
Teori sarali: ¥680.000 ÷ ¥74.400 ≈ san 9,1
San 9,1 sarali tɛ fɛn ye min bɛ mɔgɔ kabakoya. Nka kiliyan tun ye jateminɛ wɛrɛ kɛ: u bɛ ni so sanfɛla tile ye min bɛ to ka dɔgɔya a bɔli waati la. O maracogo y’u ka tile baarakɛcogo ɲɛ. O nafa ma minɛ jatebɔ la sanfɛ.
Ani fana, sigida dɛmɛni bɛ yen fanga marali la Jiangsu. Fɛn dɔ i n’a fɔ ¥0,2/kWh/san baarakɛ dɛmɛni. Ni dɛmɛni kɛra, sara waati bɛ jigin ka se san 6 ɲɔgɔn ma.
Seereyaw: Fɛn min wajibiyalen don tiɲɛ na
Ne tɛ sariyaw dɔnbaga ye. Ne bɛ min dɔn yan, o fanba bɛ bɔ an ka sariya ni sariya labatoli jɛkulu de la.A ka kan ka kɛ ni:
UN38.3- Wajibiya don bolifɛnw ta fan fɛ. Ni o tɛ, logistiki sosiyetew tɛna maga aw ka batiriw la. Kɔrɔbɔli musaka bɛ se dɔrɔmɛ 5000 ni dɔrɔmɛ 70000 cɛ ka kɛɲɛ ni batiriw cogoya ye. Fɔlɔ-waati tɛmɛnen hakɛ bɛ 70% lamini, o kɔrɔ ye ko 30% dilancogo tɛ se ka hali nin basigi bara in jɛya.
IEC 62619 ye- Lakanali sariya min bɛ izini fanga batiriw kan. A wajibiyalen don Erɔpu suguw doncogo la.
UL 9540 ye- Ka ɲɛsin fanga marayɔrɔw ma. A wajibiyalen don Ameriki Woroduguyanfan sugu la walima porozɛ o porozɛ min mago bɛ asiransi la.
Ka kuma asiransi kan. An tun bɛ ni kiliyan dɔ ye min tun bɛ fanga mara porozɛ dɔ kɛ min ye fɛnw sugandi minnu ma seereyaw sɔrɔ walasa ka wari mara ka kɔn o ɲɛ. Asiransi sosiyetew banna ka asiransi kɛ pewu walima u ye sɔngɔ yelikɛbaliw fɔ (1,5% ka bɔ sistɛmu nafa la san o san). U labanna ka wuli ka taa fɛnw na minnu sɛgɛsɛgɛlen don. Premium jigira ka se 0,4% ma.
Aviva ka sɛgɛsɛgɛli dɔ bɛ yen min b’a jira ko jagokɛlaw 54% ye litiyamu batiri ko kɛlenw sɔrɔ (sumaya kojugu, sisi, tasuma). Asiransi bɛ o jatew ye, u bɛ ladilan ka kɛɲɛ n’o ye. Fɛn minnu ma sɛgɛsɛgɛ, olu bɛna gɛlɛya ka taa a fɛ ka don fɛnw dilancogo sariyalenw na.
Ne ka laadilikanw: Cogo min na ka fɛnw dilanbagaw sɛgɛsɛgɛ
Ka da ne ka ko kɛlenw kan nin san ninnu kɔnɔ:
Aw ye ɲininkali kɛ selilɛriw sɔrɔli ko la.
U bɛ baara kɛ ni marka min ye, o tɛ, nka u bɛ fɛnw sɛgɛsɛgɛ ani k’u ɲɛnabɔ cogo min na. Fɛn dilanbagaw minnu bɛ se k’u ka sɛgɛsɛgɛli dontaw sariyaw n’u ka misali sɛbɛnw jira aw la, olu bɛ se ka da u kan kosɛbɛ.
Aw ye ɲininkali kɛ BMS dilancogo kunnafoniw kan.
Lakanali IC modɛli nimɔrɔw, balansi sisan seko, hakɛ ani funteni jateminɛnanw bilali. A tɛ se ka jaabi di walima a bɛ a yɛrɛ tanga wa? U tigɛ ka bɔ i ka lisi kan.
Aw ye seereyaw sɛgɛsɛgɛli rapɔɔriw ɲini.
Seereyaw tɛ. Kɔrɔbɔli rapɔɔri dafalenw. Sɛbɛnw bɛ se ka kɛ nkalon ye. Kɔrɔbɔli rapɔɔriw ka gɛlɛn kosɛbɛ ka nkalon tigɛ. Raporow kɔnɔ, sɛgɛsɛgɛli laboratuwari, sɛgɛsɛgɛli donw, sɛgɛsɛgɛli fɛn kɛrɛnkɛrɛnnenw ani jaabiw bɛ sɔrɔ.
Aw ye ɲininkali kɛ feere kɔfɛ-feere jaabi kan.
Min bɛ gɛlɛyaw ɲɛnabɔ, jaabi waati cɛsiri, ni foro injiniyɛriw b’u bolo. Se tɛ se k’o sɛgɛsɛgɛ sannifeere waati, nka i bɛ se k’a ye bɛnkansɛbɛn kɔnɔkow sɛbɛnnen don cogo min na.
Aw ye ɲininkali kɛ dɛsɛko ko la.
Fɛn dilanbaga o feerekɛla min bɛ jago la kabini san damadɔ, o ye fili kɛ. Fɛn dilanbaga minnu b’a fɛ ka baro kɛ u ka dɛsɛw kan, dannaya bɛ olu la ka tɛmɛ mɔgɔ kan minnu b’a fɔ ko “an ma deli ka gɛlɛya sɔrɔ.”
Miirili labanw
N bɛ baara kɛ Polinovel la, o la, n ye sɛgɛsɛgɛli sariya minnu ɲɛfɔ sanfɛ, olu bɛ, fo ka se hakɛ dɔ ma, an yɛrɛ bɛ fɛnw kɛ cogo min na, olu ɲɛfɔ.
An bɛ ni tension jɛnsɛnni ni kɔnɔna rezisti sariyaw gɛlɛnw ye seliw nataw kama. An ka BMS dilanniw bɛ baara kɛ ni lakanani fɛɛrɛ ɲumanw ye tiɲɛ na, u tɛ baara kɛ ni DW01 suguya puce sɔngɔ gɛlɛnw ye. An ka seereyaw dafalen don. Nka n t'a Fɔ ko an ye "sɔgɔsɔgɔninjɛ bɛɛ la ɲuman" ye bari "min ka fisa" ye daɲɛ ye min kɔrɔ tɛ.
Ne bɛ se ka min fɔ, o ye nin ye : n’aw bɛ ka izini litiyamu batiri feerelaw jateminɛ, an ka kuma. Kuma fɛɛrɛko kunnafoniw kan. Kuma i ka ɲinini kɛcogo kɛrɛnkɛrɛnnenw kan. Kuma jaanw kan minnu bɛ se ka kɛ. N’a sɔrɔ an tɛ kɛ fɛɛrɛ ye min sɔngɔ ka dɔgɔ, nka an bɛ se k’a ɲɛfɔ mun na an bɛ wari min sara.
Ɲininkaliw? Aw ye kuma an ka fɛɛrɛbɔ jɛkulu fɛ k’a ɲɛsin an ma. Mɔgɔ dɔ bɛna segin ka na i fɛ sanga 48 kɔnɔ.
