TL;DR – Seo U Tla Ithutang Sona ka Metsotsoana e 30:
• Mokhoa o tloaelehileng oa tefiso ea lithium-ion ke CC-CV (Constant Current-Constant Voltage).
• Mokhahlelo oa CC o fana ka ho tjhaja ka potlako (ho fihla ho 60-80%), karolo ea CV e tiisa hore ho tlatsoa ho sireletsehileng le ho sireletsa bophelo ba betri.
• Mocheso o feteletseng (ka tlase ho 0°C kapa ka holimo ho 45°C) o kotsi ho tjhaja.
• Ea inehetseng Sistimi ea Taolo ea Battery (BMS) e bohlokoa bakeng sa taolo e nepahetseng ea motlakase le taolo ea hajoale.
Mokhoa oa ho tjhaja betri ea lithium-ion ke e 'ngoe ea lintlha tsa bohlokoa tse khethollang nako ea bophelo, ts'ebetso le polokeho ea eona. Le hoja ho ka 'na ha bonahala eka ke ts'ebetso e tloaelehileng, mokhoa oa ho tjhaja lithium-ion o fapane le mahlale a khale a betri a kang lead-acid kapa NiMH. Ho latela mekhoa e metle ke senotlolo sa ho thibela ho se sebetse hantle le ho holisa ROI.
Hobaneng Ts'ebetso ea Tefiso ea Lithium-Ion e Ikhethile
Ho fapana le libeteri tsa lead-acid, lisele tsa lithium-ion ha li khone ho mamella ho tjhaja ho feta tekano. Li hloka motlakase o laoloang hantle le motlakase ho etsa bonnete ba hore li-ion tsa lithium li kenella ka mokhoa o sireletsehileng likarolong tsa graphite tsa anode. Mokhoa o tloaelehileng, o amoheloang ke indasteri bakeng sa tefiso e felletseng le e bolokehileng ea lithium-ion ke algorithm ea CC-CV (Constant Current-Constant Voltage). E tiileng Sistimi ea Taolo ea Battery (BMS) e bohlokoa ho phethahatsa algorithm ena ka nepo.
Mothati oa 1: Kamehla Hona Joale (CC) - Mokhahlelo oa ho tjhaja ka potlako
Nakong ea nako e sa fetoheng, tjhaja e fana ka motlakase o tsitsitseng, o reriloeng esale pele.
• Litšobotsi : Voltage e nyoloha butle ha motlakase o ntse o tsitsitse.
• Bokhoni bo Fumanetsoeng : Betri ea Li-ion e ka fihla ho 60% ho 80% ea matla a eona kaofela nakong ena.
• C-Rate : Nako e loketseng ea ho tjhaja hangata e pakeng tsa 0.2C le 1.0C. Bakeng sa sele ea 2000mAh, sekhahla sa 0.5C e ka ba 1000mA.
• Transition Point : Mokhahlelo oa CC o tsoela pele ho fihlela motlakase oa sele o fihla moeling oa oona, hangata o pota-potileng 4.2V ka sele.
Mothati oa 2: Motlakase oa Kamehla (CV) - The Protective Topping-Off
Hang ha moeli oa 4.2V o fihletsoe, tjhaja e fetohela ho mokhoa oa motlakase o sa fetoheng.
• Litšobotsi : Chaja e boloka motlakase o tsitsitse ha motlakase o theoha butle.
• Ke Hobane'ng ha ho Hlokahala : Ntle le sethala sena sa CV, hona joale ho ne ho tla tsoela pele ho sutumelletsa li-ion, ho etsa hore lithium ea tšepe e be plate holim'a anode, sesosa se ka sehloohong sa ho baleha ha mocheso.
• Pheliso : Lebelo la litefello tsa lithium-ion le phethela, kapa lea fela, ha motlakase oa ho tjhaja o theohela boemong bo tlase ba 'bofelo ba tefiso', hangata bo pakeng tsa 0.02C le 0.07C.
Mekhoa e Molemo ka ho Fetisisa le
Taolo ea ho tjhaja ea BMS ha e etsahale feela. Bakeng sa lits'ebetso tsa lefats'e tsa 'nete joalo ka litsi tsa data kapa liteishene tsa mehala ea mehala, e matla
Sistimi ea Taolo ea Battery (BMS) e bohlokoa.
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Tlhokomelo ea Mocheso : Ho tjhaja hantle ho lokela ho ba pakeng tsa 0°C le 45°C.
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Khetho ea Chaja : Kamehla sebelisa tjhaja e etselitsoeng chemistry ea Li-ion e latelang profaele e nepahetseng ea CC-CV.
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Voltage Precision : BMS ea boleng bo botle e netefatsa hore sele e 'ngoe le e 'ngoe e fihla matla a lekaneng, e eketsa bokhoni ba potoloho e' ngoe le e 'ngoe ea tefiso.
Lisebelisoa tsa 'Nete tsa Lefatše ka Matla a Bohlokoa
Melao-motheo ea ho tjhaja lithium-ion e bolokehileng le e sebetsang hantle ha se thuto feela; ke motheo oa mekhoa ea sejoale-joale ea ho boloka matla. Ka har'a UPS, libeteri tsa lithium li fana ka matla a phahameng a matla bakeng sa matla a ho boloka a compact. Ho nepahala ha mokhoa oa CC-CV ho bohlokoa ho ts'epahala. Ho feta moo, ts'ebeliso e ntseng e hola ea matla a letsatsi le Battery Energy Storage Systems (BESS) e itšetlehile ka li-algorithms tsa ho tjhaja tse tsoetseng pele ho eketsa nako ea bophelo ea ho kopanya matla a tsosolositsoeng le polokelo ea betri.
Bakeng sa lits'ebetso tsa bohlokoahali, DFUN e fana ka lits'ebetso tse tsoetseng pele Litharollo tsa betri tsa lithium-ion tse etselitsoeng ho sebetsa ka mokhoa o ts'oanelang le sethala sa rona sa BMS, ho netefatsa ts'ebetso e nepahetseng ea ho tjhaja, bophelo bo atolositsoeng ba potoloho, le polokeho e ntlafalitsoeng.
