TL;DR – Nusi Nàsrɔ̃ Le Sɛkɛnd 30 Me:
• Lithium-ion charge mɔnu si wozãna ɖaa enye CC-CV (Constant Current-Constant Voltage).
• CC phase naa charge kabakaba (vaseɖe 60-80% ŋutete), CV phase kpɔa egbɔ be dedie topping-off eye wòkpɔa batri ƒe agbenɔƒe ta.
• Dzoxɔxɔ si gbɔ eme (si mede 0°C alo wu 45°C) gblẽa nu le charge ŋu.
• Ame aɖe si tsɔ eɖokui na Battery Management System (BMS) le vevie ŋutɔ na elektrikŋusẽ kple elektrikŋusẽ ƒe ɖoɖowɔwɔ pɛpɛpɛ.
Alesi nàdo agba na lithium-ion batri nye nu vevi siwo afia eƒe agbenɔƒe, eƒe dɔwɔwɔ, kple dedienɔnɔ dometɔ ɖeka. Togbɔ be adze abe dɔwɔwɔ edziedzi ene hã la, lithium-ion ƒe charge ƒe ɖoɖoa to vovo na batri ƒe mɔ̃ɖaŋununya xoxowo abe lead-acid alo NiMH ene. Nuwɔna nyuitɔwo dzi wɔwɔ nye nu vevi aɖe si ana woaxe mɔ ɖe dɔmawɔmawɔ nyuie nu eye wòana ROI nadzi ɖe edzi.
Nusita Lithium-Ion Charge Dɔwɔɖoɖoa Le Etɔxɛ
To vovo na lead-acid batriwo la, lithium-ion lãmenugbagbeviwo mete ŋu doa dzi ne wodoa agba fũu akpa o. Wohiã na charge current kple voltage si dzi wokpɔna pɛpɛpɛ be woakpɔ egbɔ be lithium ions ge ɖe anode la ƒe graphite ƒuƒoƒoawo me dedie. Mɔnu si wozãna ɖaa, si dzi dɔwɔƒewo da asi ɖo hena lithium-ion ƒe dzoxɔxɔ blibo si le dedie enye CC-CV (Constant Current-Constant Voltage) ƒe akɔntabubu. A sesẽ aɖe Battery Management System (BMS) le vevie ŋutɔ be woawɔ algorithm sia ŋudɔ nyuie.
Afɔɖeɖe 1: Fifia ɣesiaɣi (CC) – Fast Charging Akpa
Le elektrikŋusẽ ƒe akpa si nɔa anyi ɖaa me la, charger la naa elektrikŋusẽ si nɔa anyi ɖaa, si woɖo ɖi do ŋgɔ.
• Nɔnɔmewo : Voltage dzina ɖe edzi vivivi esime elektrikŋusẽ gakpɔtɔ le teƒe ɖeka.
• Ŋutete si Wokpɔ : Li-ion batri ate ŋu aɖo 60% va ɖo 80% le eƒe ŋutete katã me le afɔɖeɖe sia me.
• C-Rate : Zi geɖe la, charging current nyuitɔ nɔa 0.2C kple 1.0C dome. Le 2000mAh cell gome la, 0.5C ƒe tsɔtsɔme anye 1000mA.
• Trɔtrɔƒe : CC ƒe akpaa yia edzi vaseɖe esime lãmenugbagbevi ƒe elektrikŋusẽ naɖo eƒe seɖoƒe si sɔ gbɔ wu gbɔ, zi geɖe la, anɔ abe 4.2V ene le lãmenugbagbevi ɖeka me.
Afɔɖeɖe 2: Voltage si nɔa anyi ɖaa (CV) – Ametakpɔnu Topping-Off
Ne wonya ɖo 4.2V ƒe dzidzenua gbɔ ko la, charger la trɔna yia constant voltage mode me seamlessly.
• Nɔnɔmewo : Charger la léa elektrikŋusẽa ɖe te esime elektrikŋusẽa le ɖiɖim vivivi.
• Nusita Wòhiã : Ne menye CV ƒe afɔɖeɖe siae o la, elektrikŋusẽa ayi edzi anɔ ionwo tum ɖe eme, si ana ga lithium naƒo ɖe anode la dzi, si nye nu vevitɔ si gbɔ dzoxɔxɔ ƒe sisi tsona.
• Nuwuwu : Lithium-ion ƒe charge ƒe tsatsam wu enu, alo wu enu, ne charge current ɖiɖi va ɖo 'end-of-charge' ƒe seƒe si bɔbɔ, zi geɖe le 0.02C kple 0.07C dome.
Nuwɔna Nyuitɔwo Kple BMS Dzikpɔkpɔ
Charging dzikpɔkpɔ medzɔna le vacuum me o. Le xexeame ŋutɔŋutɔ ƒe dɔwɔɖoɖowo abe nyatakakadzraɖoƒewo alo telefonkadodo ƒe dɔwɔƒewo ene gome la, a sesẽ
Batriki Dzikpɔkpɔ ƒe Ðoɖo (BMS) le vevie ŋutɔ.
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Dzoxɔxɔ Dzi Kpɔkpɔ : Ele be charge nadzɔ nyuie wu le 0°C kple 45°C dome.
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Charger Tiatia : Zã charger si wowɔ na Li-ion chemistry si zɔna ɖe CC-CV profile nyuitɔ dzi ɣesiaɣi.
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Voltage Precision : BMS nyui aɖe kpɔa egbɔ be lãmenugbagbevi ɖesiaɖe ɖoa elektrikŋusẽ nyuitɔ gbɔ, si naa ŋutete si sɔ gbɔ wu na charge ƒe tsatsam ɖesiaɖe.
Xexeame Ŋutɔŋutɔ ƒe Dɔwɔwɔwo le Ŋusẽ Vevitɔ Me
gɔmeɖose siwo ku ɖe lithium-ion ƒe agbatsɔtsɔ si le dedie eye wòwɔa dɔ nyuie ŋu o; Menye agbalẽnyanya koe woawoe nye gɔmeɖoanyi na egbegbe ŋusẽ ƒe kpekpeɖeŋunaɖoɖowo. Le UPS me la, lithium batriwo naa ŋusẽ si lolo hena ŋusẽ si woatsɔ adzrae ɖo si le sue wu. Alesi CC-CV mɔnua wɔ pɛpɛpɛe le vevie ŋutɔ be kakaɖedzi nanɔ eŋu. Tsɔ kpe ɖe eŋu la, ɣe ƒe ŋusẽ kple Batri ƒe Ŋusẽ Dzraɖoƒe (BESS) zazã si le dzidzim ɖe edzi nɔ te ɖe agbatsɔtsɔ ƒe mɔnu deŋgɔwo dzi be woana ŋusẽ yeyewo tsɔtsɔ de batri ƒe nudzraɖoƒe ƒe agbenɔƒe nadzi ɖe edzi.
Le dɔdasi veviwo ƒe dɔwɔwɔwo gome la, DFUN naa nu deŋgɔwo lithium-ion batri ƒe kuxiwo gbɔkpɔnu siwo ŋu wotrɔ asi le be woawɔ dɔ nyuie kple míaƒe BMS mɔ̃a, akpɔ egbɔ be agbatsɔtsɔ ƒe dɔwɔwɔ nyuie wu, eƒe tsatsam ƒe agbenɔƒe didi, kple dedienɔnɔ si nyo wu.
