Katsi ai aten hta Lithium Battery ni: Magam bungli & Kaja dik ai lai ladat ni
Lai wa sai htum wa maga de Minnesota kaw galaw ai bungli langai hta $47,000 daram sum mat sai. Frozen malu masha garan ai wa langai mi gaw anhte kaw na LFP battery 32 mari la ai. Dai spec sheet hta, bungli galaw ai shaloi -20℃kaw nna 60℃du hkra nbung katsi ai ngu tsun da ai. Kaja ai hku mu ai. Shata masum na ai hpang, pack mali si mat nna, client wa gaw tara shawk shawn na matu jahkrit shama nga ai.
Rudi lam a majaw kun? Dai -20℃gaw charge galaw ai n re ai sha, discharge galaw ai shara re. LFP battery ni gaw 0℃npu de charge galaw yang lithium dendrites byin pru wa ai. Battery University kaw nna ndai lam hpe shaning law law ka da sai raitim, anhte gaw dai hpe grai ahkyak n la ai. Manu dan ai sharin hpawng.
Dai majaw ndai laika gaw, 8 ning tup katsi katsang-climate deployment ni ngai hpe teng sha sharin ya ai lam ni hpe tsun dan ai. Generic hpaji jaw ai lam n re. B2B mari ai lam a matu ahkyak ai tengman ai bungli galaw ai mahkrum madup.
Ahkyak dik htum lam: Cold Charging gaw Cold Discharge hta htam shi grau hkrit tsang hpa re
Lithium battery ni gaw katsi majan aten hta bungli galaw ai kun ngu, mari ai lam hpe woi awn ai ni law law ngai hpe san ma ai. Rai nga ai. Raitim "bungli" ngu ai lachyum hpe chye na ra ai.
Katsi ai battery hpe jahkrat kau ai gaw, lu ai atsam hpe shayawm kau ya ai sha re. -20℃hta LFP gaw 50% kaw nna 60% daram hpe jaw ya lu ai. NMC gaw 70% grup yin lu ai. LTO gaw 90% hpe gram lajang nga ai. Ndai jahpan ni hpe anhte nan chyam yu sai rai nna, Xi’an Jiaotong Dakkasu kaw nna n-gun atsam npawt nhpang ni a laika buk (DOI: 10.1016/j.jpowsour.2022.230892) hta shapraw ai sawk sagawn ai lam hte maren rai nga ai.
Charging galaw ai gaw tsep kawp shai ai.
degree npu hta, lithium ion ni gaw graphite anode kata de hkrak hkrak n mai shang wa ai. Shanhte gaw npu de hkrak sha n-gang lithium hku nna plate galaw ma ai. Ndai lam gaw n mai nhtang wa ai lam re. Katsi ai-charge galaw ai lam shagu hta nang hpe 0.5% kaw nna 2% du hkra n-gun atsam hpe prat tup manu jahpu jaw ra ai. Ngai gaw grau sawng ai lam hpe mu yu sai: client langai mi gaw shanhte a forklift battery ni hpe shinggan kaw -15℃hta katsi majan aten tup charge galaw ai. Spring du wa ai shaloi, atsam gaw 60% de hkrat sum mat sai.
Xi’an Jiaotong laika hta LFP atsam hpe 31.5% daram -20℃hta masa nkau mi a npu e shadawn ai. Ndai nambat hpe shawng nnan hta n kam ai. Dai hpang CATL 280Ah cell ni hpe anhte nan chyam yu ga ai. Nkau batch ni gaw -20℃hta 48% sha hkam la lu ai hpe madun ai. Product dinghku langai sha, batch n bung ai, tsa lam shadang 13 daram shai hkat ai.
Ndai lam a majaw ya ngai gaw batch-laksan chyam dinglik ai shiga ni hpe supplier ni kaw na ra ai. Generic spec sheet ni hpe n hkap la mai ai.
Chemistries amyu myu gaw n-gun n law ai shara ni hta gara hku galaw ai
| Dat jasat hpaji | 0℃Atsam | -10℃Atsam | -20℃atsam | Min Charge Temp | Cycle Prat | KWh langai a manu |
|---|---|---|---|---|---|---|
| LFP | 82-88% | 65-75% | 48-61% | 0℃ngang kang ai shadawn sharam | 2,500-4,000 | $55-80 |
| NMC 811 | 88-92% | 78-85% | 70-78% | -10℃jahkrat kau ai | 1,200-2,000 | $85-120 |
| LTO | 95-98% | 92-95% | 88-92% | -30 degri | 15,000+ | $180-250 |
| Nlung -acid | 65-75% | 45-55% | 8-20% | N/A | 800-1,200 | $120-180 |
Dai 8-20% gaw lead{3}}acid a matu ka shut ai lam n re. Battle Born gaw shingdaw chyam dinglik ai lam galaw nna, lead-acid battery ni gaw katsi ai npu hta ahkyak ai hku akyu n rawng ai hpe mu lu ai. Ndai lam gaw, htunghking hku nna lead-acid forklift ni hpe lang ai katsi ai shara ni hpe, bungli galaw na matu sha, shaning shagu £1,000-2,000 jai lang ra ai, laksan battery katsi ai nta ni ra ai lam hpe sang lang dan nga ai.
LTO hpe laksan tsun ging ai. LFP hta na htam masum daram manu dan ai raitim, grai katsi ai shara ni hta gaw ngai tsep kawp kam hpa ai chemistry langai sha re. -40℃hta bungli galaw nga ai Nunavut kaw na lung seng htu ai wa a matu LTO packs ni hpe anhte dat dat ga ai. Masum ning laman, atsam marai hkrat sum ai lam gaw 3% npu kaw rai nga ai. Client wa gaw manu jahpu a majaw LTO hpe ningdang kau na daram rai sai. Ya gaw shanhte gaw anhte a sadi dung dik htum repeat customer ni rai nga sai.
Kadai mung n tsun shaga ai atsam marai lata ai manghkang
Ndai lam gaw grau sawng wa ai.
280Ah (sh) 314Ah prismatics zawn re ai n-gun kaba ai cell ni gaw kWh langai hta manu n law ai. Raitim shanhte a ntsa- hte-volume ratio gaw kaji ai. Hpang jahtum byin wa na akyu lahkawng: katsi ai hpe grau hkam la lu ai, raitim, katsi ai hka kaw na katsi ai hpe loi loi hte hkam la lu ai.
Anhte gaw 100Ah hte 280Ah cell ni hpe galaw ai company langai kaw na chyam yu ga ai. -15℃kaw nna charge galaw ai aten du hkra katsi ai shaloi 100Ah cell a matu minit 14, 280Ah cell a matu minit 23 aten la ra ai. Minit 10 daram shai ai.
Scheduled shift bungli ni a matu, ndai minit 10 hpe preheating hte hkang lu ai. Heater hpe minit 30 daram shawng hpaw hpang u. Raitim, lawan ladan htaw sa ai lam (sh) n tara ai hku shagun dat ai zawn re ai on-demand application ni a matu, dai shai hkat ai lam gaw ahkyak ai lam byin wa ai.
Loi ai dawdan lam masa:
Kaba ai atsam (200Ah+) hpe lata ai shaloi:
Shift aten ladaw hpe masat da ai, htuk manu ai preheating aten nga ai, unit manu hpe shayawm kau ai gaw ahkyak dik rai nga ai
Kaji ai capacity hpe lata ai shaloi:
Random dispatching, lawan ai hku bai htang ra ai, nbung katsi ai shara galai shai ai grup yin
Masha law malawng n dum shami galaw ai lam langai mi naw nga ai: pack langai hta cell kaji ai gaw cell-to-cell n bung ai lam grau kaja ai hte BMS balancing load yawm ai hpe tsun mayu ai. Client langai mi gaw gumhpraw hkoi shap na matu 320Ah cells hpe aja awa tsun ai. Shata kru na ai hpang, pack kata na voltage shai hkat ai lam gaw 50mV jan mat nna, BMS gaw ayan hkrit tsang nga ai. 100Ah cell de galai kau ai shaloi manghkang n nga mat sai.
TCO hpe sawk sagawn ai lam: Lithium gaw galoi aten hta teng sha bai nhtang wa ai kun?
2024 ning na masing langai kaw na tengman ai jahpan ni. Minnesota 3PL htinggaw, forklift 32, kayau kaya nga ai grup yin hte katsi ai sutdek. Shawng ningnan shaning na bungli galaw ai manu jahpu:
Shaning shagu na bungli galaw ai manu hpe shingdaw ai (unit langai hta USD)
| Manu jahpu | Nlung -Acid | Lithium | Gumhpraw mahkawng da ai |
|---|---|---|---|
| Wan n-gun | 1,240 | 980 | 260 |
| Hkamja lam galaw ai bungli | 380 | 45 | 335 |
| Battery manu jahpu shayawm ai | 890 | 285 | 605 |
| Charge galaw ai npawt nhpang | 120 | 85 | 35 |
| Katsi ai nta bungli galaw ai | 310 | 0 | 310 |
| Downtime sum mat ai | 420 | 95 | 325 |
| Yawng hpawn | 3,360 | 1,490 | 1,870 |
Lithium mari ai manu: unit langai hta $14,200 daram. Shaning shagu $1,870 mahkawng da ai shaloi, static payback aten gaw 7.6 ning re.
Raitim ndai jahpan hta gaw n kaja ai lam nga ai.
Lead-acid battery ni hpe katsi ai shara kaw tawn da ai shaloi, 3 ning kaw nna 4 ning laman sha nga lu ai, galaw shapraw ai ni tsun ai 5 ning n re. Anhte a cold storage client masum kaw na data ni gaw, 3.8 ning tup na asak hpe shadawn shadang hku nna madun dan ai. Laksan masat da ai jahpan:
10-ning TCO shingdaw ai lam
| Mabyin masa | Hpyen n-gun 10Y TCO | Lithium 10Y TCO | Gumhpraw mahkawng da ai |
|---|---|---|---|
| Myit mada shara nga ai (5 ning LA prat) | $38,600 | $29,100 | 25% |
| Tengman ai lam (3.8 ning LA prat) | $44,200 | $29,100 | 34% |
| Katsi ai shara (2.5-ning LA prat) | $56,800 | $29,100 | 49% |
Cold storage gaw lithium a matu grau n-gun ja ai hpe madun dan ai, hpa majaw nga yang lead-acid gaw n-gun n law ai shara hta grai lawan ai hku hkrat sum mat ai majaw re. Ngai mu yu ai hta grau sawng ai lam gaw: -18℃freezer kata na client langai a lead-acid forklift battery gaw shata 18 tup nga nna, n-gun 40% de hkrat sum mat ai.
BMS lata ai lam: Grau nna n yu n hkan galaw ai dawdan lam
Dai Minnesota masing gaw BMS a majaw hkrat sum mat ai.
Anhte gaw n-gun n law ai-Miwa BMS hpe lang nna, nbung katsi ai sensor lahkawng sha nga ai, pack a n bung ai maga de tawn da ai. Lapran na cell ni gaw jahtum daw ni hta 7-8℃grau katsi ai. BMS gaw 5℃hti nna charge galaw na ahkang jaw ai. Teng sha nga yang, lapran na cell a nbung katsi ai lam gaw -3℃rai nga ai. Ndai zawn shata law law na ai hpang, lapran na cell ni gaw, jahtum na cell ni hta 15% shayawm ai atsam nga ai.
Ya aten hta BMS ra ai lam ni:
Katsi kahtet ai hpe chye na ai: Module langai hta n yawm htum NTC sensor 4, shara shagu de garan gachyan ai. Sensor lahkawng masum sha nga ai kun? N hkap la mai ai.
Npu-katsi ai charge hpe makawp maga ya ai: LFP gaw 0℃kaw hard lockout nga ra nna, n-gun n rawng ai sha, n-gun n rawng ai. Manu n-htuk ai BMS design nkau mi hta operator hpe n-gun jaw ai button ni lawm ai. Production pressure npu na operator ni gaw dai button hpe dip na re. Garan jaw da ai.
Charge shayawm kau ai shingnip: 0℃hte 10℃lapran na rawt jat galu kaba wa ai n-gun hpe shayawm ai . Ngai gaw 5℃hta 0.2C npu hte 2℃hta 0.1C npu na charge current hpe ra ai.
CAN Bus ana jep ai lam: B2B application ni a matu, cell-madang na n-gun hte nbung katsi ai lam hpe lu la mai ai. Ndai atsam n nga yang, manghkang ni hpe jep chyoi ai gaw, sawn la ai lam sha rai mat ai.
Ndai ga san ni hpe ngai supplier law law hpe san yu sai. Masum hta na langai hta n law ai ni gaw asan sha htai lu ai. N lu htai ai ni gaw nye a hpaga lam n lu ma ai.
Hkai sun galaw ai lam jahpan
Lahkawng ning jan anhte hkan tam ai bungli masing masum:
Bungli masing A: Minneapolis mare na hka lum ai sutdek (-5℃kaw nna -25 degree)
24 LFP packs ni hpe PTC n-gun jaw ai, 2022. Lahkawng ning na ai hpang atsam hpe n-gun jaw ai: 94.8%. Katsi ai-nbung laru mabyin lahkawng byin wa ai, dai lahkawng yan gaw preheat ladat ni hpe lai kau ai operator ni kaw na hkan tam ai. Hpaji hkingrai hkrat sum ai lam gaw lead-acid hte 4.1% kaw nna 0.3% de hkrat sum mat ai.
Bungli masing B: Edmonton shinggan htingnu (+25℃kaw nna -35℃)
8 NMC packs ni hpe heat pump thermal hkangzing ai lam hte, 2023 hta jai lang na. Cold-hpang jahtum hkrat sum ai lam ni: zero. Hka lum ai n-gun lang ai lam: yawng shapraw ai hta na 4.2%. Ndai project gaw grai katsi ai aten hta heat pump manu hte seng nna nye a ningmu hpe galai shai kau ya ai.
Bungli masing C: Nunavut lung seng htu ai bungli (-10℃kaw nna -45℃)
6 LTO packs, 2021 hta gap dat ai.Masum ning na ai hpang atsam marai hpe n-gun jaw lu ai: 97.1%. Katsi majan- hte seng ai mabyin masa ni: zero. Investment hpe shata 28 laman bai gram lajang wa ai hte shata 36 laman bai gram lajang wa ai. Client a ga: "Ndai zawn kaja hkra galaw na hpe ngai chye ai rai yang, ngai gaw shaning langai hta yawng hpe galai shai kau na re."
Industry Forum kaw na chye na matu manu dan ai lam ni
Ngai gaw Forkliftaction forum ni hte Reddit a r/electricvehicles ni hpe ayan hkan tam yu nna, lang ai ni teng sha hpa hpe hkrum sha nga ai hpe mu lu ai. Ga baw nkau mi gaw bai kahtap nna pru wa ai:
- SOC sawn la ai lam gaw kam hpa n mai byin mat ai.LFP discharge curve ni gaw flat rai nna, hkamja lam masa hta pyi, state-of-charge hpe sawn shapraw na matu yak hkak nga ai. N-gun n law ai shara ni hta, sawn shapraw shut ai lam gaw 20% jan rai chye ai. Anhte gaw client ni hpe 25% manu jahpu hte akajawng sha pat kau ai lam ni hpe tsun dan ai. Hpaji: n-gun n law ai-temperature SOC hti ai lam ni gaw sawn shapraw ai lam sha re ai hpe chye na hkra wanleng galaw ai ni hpe sharin ya u. Margin kaba ni hpe tawn da u.
- Charge galaw ai aten gaw lahkawng lang (sh) masum lang jat wa ai.2024 ning January shata Chicago kaw byin ai polar vortex aten hta, EV madu ni gaw charge galaw ai shara ni hta hkying hkum law law la nga ma ai. Manghkang gaw charger ni n re. Battery ni grai katsi ai majaw charge n hkap la lu ai. Preheating atsam gaw ahkyak ai, operator ni gaw preheat hpe aten dep galaw hpang na akyang hpe shalat ra ai.
- BMS logic gaw brand langai hte langai grai shai hkat ai.Tesla hpe preheat galaw na matu minit 15 daram aten la ra ai. Nkau brand ni gaw minit 40 jan ra ai. Galoi mung, mari ai aten hta, katsi ai-soak-to-jin jin rai na aten hpe, garan jaw ai ni hpe san yu u.
2025 ning hta yu ging ai hpaji masa ni
Solid-state battery ni gaw katsi ai shara hta n-gun n rawng ai shara hta n-gun n rawng ai (sh) n-gun n rawng ai majaw, n-gun n rawng ai shara hta grau kaja ai hku galaw lu ai. QuantumScape gaw -30℃chyam dinglik ai lam hpe shapraw da ai rai nna, myit mada shara nga ai zawn rai nga ai, raitim, volume galaw shapraw na matu gaw shaning law law naw ra nga ai.
Grau kalang ta seng ai: n-gun n law ai-n-gun n law ai electrolyte rawt jat lam ni. Asahi Kasei gaw ndai shaning hta acetonitrile- hpe madung tawn ai wan n-gun dat hpe hpaga yumga galaw nga ai rai nna, -40℃hta n-gun kaba shapraw lu ai ngu tsun nga ai. Dai gaw galaw shapraw ai madang hta jaw ya ai rai yang, katsi ai ginra hta jai lang ai ni gaw grai akyu hkam sha lu na re.
Tinang hkum tinang -katsi ai battery ni gaw ya aten hta $1.2 billion jan na gat lawk hpe madi shadaw ya nga ai. Ndai battery ni gaw, nbung laru hpe cell structure kata de hkrak sha bang ya ai majaw, shinggan na PTC system ni hta grau nna nbung laru hpe lu la mai ai.
Hpang jahtum myit sawn ai lam
Lithium battery ni gaw katsi ai shara ni hta tsep kawp bungli galaw lu ai. Raitim awng dang ai hku jai lang na matu gaw, nbung laru -climate application ni hta grau nna sadi maja let lata la ra ai hte grau nna hkan sa ra ai bungli galaw ladat ni ra nga ai.
Ngai hpaji jaw ai lam ni:
-10℃du hkra kalang lang du ai grup yin ni : PTC katsi ai hte standard LFP gaw kaja wa sha bungli galaw ai. BMS a quality hpe madung tawn ai.
-10℃npu hta ayan nga ai grup yin ni : NMC hpe grai myit yu na (sh) heat pump thermal management hta gumhpraw bang na.
-25℃npu kaw ayan nga ai grup yin ni : LTO gaw upfront manu grau law ai raitim, katsi ai-bawnu machyi ai lam hpe yeng seng kau ya ai. Aten galu sut masa lam gaw dai hpe madi shadaw chye ai.
Gara katsi ai-nbung laru hpe mung: ra sharawng ai batch-laksan chyam dinglik ai jahpan. Generic masat da ai lam ni hpe hkum kam hpa.
Ndai lam hpe Polinovel kaw galaw ai gaw shaning shi ning daram rai sai. Nang hta bawngban na matu, laksan application langai ngai nga yang, anhte a engineering hpung hpe matut mahkai mai ai. Nang galaw ai bungli masa hpe madung tawn nna hpaji jaw mai ai.
Laika buk ni:
- Zhang, S. hte kaga ni. Lithium magri phosphate battery ni a n-gun n law ai -n-gun: Ladat ni hte shayawm ai ladat ni.N-gun npawt nhpang ni a laika buk, 2022, 521, 230892. DOI: 10.1016/j.
- Waldmann, T. hte kaga ni tsun ai. Lithium-ion battery ni hta nbung katsi ai hta hkan nna asak kaba wa ai ladat ni.N-gun npawt nhpang ni a laika buk, 2018, 384, 107-124.
- Asahi Kasei hpung kaw nna galaw ai. N-gun n law ai lithium{3}}ion battery ni a matu -n-gun ja ai electrolyte hpe galaw shapraw ai. Shiga ndau laika, June 2024.
- MDPI N-gun atsam ni. Drive-Battery-Wan jak kaba ai htaw ai mawdaw ni hpe hpaw ai-Hka htung htu ai . 2022, 15(13), 4871.
