Ungashaja kanjani izinga eliphezulu lamabhethri e-lithium-ion

2022/04/08

Umbhali :Iflowpower -Umhlinzeki Wesiteshi Samandla Esiphathekayo

Liyini ibhethri lezinga eliphezulu? Ungashaja kanjani izinga eliphezulu lamabhethri e-lithium-ion? Ibhethri elikhuliswa kakhulu lisho ukuthi ibhethri lingase libe nokuphuma okuphezulu kwamanje, ukushaja okuphezulu kakhulu kanye nokumelana nokukhipha kwebhethri ye-lithium ion kuhlobene eduze nokuhamba kwe-lithium ion ku-electrode, i-electrolyte kanye nesixhumi esibonakalayo, okuthinta izici zejubane lokufuduka kwe-lithium ion zithinta ibhethri. Ukushaja okuphezulu nokusebenza kokukhipha. Liyini ibhethri lezinga eliphezulu? Ibhethri ekhuliswa kakhulu ingahlangabezana nesilinganiso sokukhipha esingu-100C, iqhubeke no-60C, isetshenziswa kabanzi ezenzakalweni ezikhethekile njengokukhishwa okukhulu kwamanje.

Ifanele imikhiqizo yamandla aphezulu njenge-drone, imodeli yendiza, amathuluzi kagesi. Ibhethri yesilinganiso ngokuvamile ibhekisela kubhethri ye-lithium-ion, ibhethri ye-lithium-ion iyibhethri enezinga eliphezulu, ukuncika okubalulekile ekunyakazeni kwe-lithium ion phakathi kwezigxobo ezinhle nezingezinhle. Phakathi nenqubo yokushaja nokukhipha, i-Lu + ishumekiwe futhi ivuliwe phakathi kwama-electrode amabili: ebhethri elishajekayo, i-Li + kusukela ku-electrode enhle, ukufakwa kwe-electrode engalungile, i-electrode engalungile isesimweni se-lithium; phakathi nenqubo yokukhipha, okuphambene.

Izinto ezisetshenziswa ngokujwayelekile kanye nezakhi ze-lithium njengama-electrode. Ungummeleli wamaseli esimanje asebenza kahle kakhulu. Ibhethri ye-lithium-ion ihlukaniswe ngamabhethri wezinga eliphezulu namabhethri e-lithium ion.

Ngaphambilini, ibhethri ye-lithium-ion isetshenziswa kumakhalekhukhwini kanye nama-laptops, okuvame ukubizwa ngokuthi amabhethri aphezulu, kodwa ibhethri yangempela yokukhulisa kakhulu ayivamile ukusetshenziswa emikhiqizweni ye-electronic yansuku zonke ngenxa yobungozi bayo obukhulu. Imvelo yebhethri ye-lithium ion ye-polymer yokukhulisa okuphezulu inezici zokusebenza okuphezulu kwamanje kokukhipha, iplathifomu ephezulu, nempilo yomjikelezo. Izinga lokukhipha linganelisa izinga lokushaya kwenhliziyo elingu-100C, liqhubeke ngo-60C, umthamo wokushaja osheshayo ufike ku-5C.

Ungashaja kanjani izinga eliphezulu lamabhethri e-lithium-ion? Okokuqala, ibhethri elisha likhokhiswa, ukuze kusebenze izinga elisha lebhethri ye-lithium-ion, ngemva kokuba ibhethri ibekwe, izongena esimweni sokulala, ngaleso sikhathi umthamo ungaphansi kokujwayelekile, isikhathi sokusetshenziswa sifinyezwa futhi, ukuqala. Indlela yokusebenzisa ibhethri ye-lithium-ion ilula kakhulu. Ngemuva kokushaja okujwayelekile okungu-3-5 nemijikelezo yokukhipha, ibhethri lingacushwa ukuze libuyisele umthamo walo ojwayelekile.

Okwesibili, ibhethri elidala elishaja i-1, ibhethri elidala libhekisela ebhethri elishajiwe futhi lakhishwa, hhayi ibhethri elahliwe. Ukuphila kwebhethri ye-lithium-ion yokukhulisa okuphezulu akuhlangene nenani lokushaja nokukhipha, akanalo umphumela wenkumbulo, kungakhathaliseki ukuthi indlela yokushaja ayithinti kanjani inani lemijikelezo yokushaja. Ngakho-ke ungasebenzisi ibhethri ukushaja lapho ibhethri iphelelwe amandla ngokuphelele, kungcono kakhulu ukusebenzisa ibhethri ekhokhiswayo lapho ishaja, futhi isikhathi sokushaja siphakathi kwamahora angu-2-3.

Yiqiniso, kufanele uyishaje ngokugcwele, hhayi ukukhishwa okungajulile nokujulile. 2, i-voltage yokusebenza yokuphepha yebhethri yokushaja enesivinini esikhulu se-lithium ion ingu-2.8V kuya ku-4.

I-2V, ephansi noma ngaphezulu kunalolu bubanzi be-voltage, nama-ion e-lithium angazinzi ebhethrini. Ukuze uqinisekise ukuthi ibhethri iphakathi kwezokuphepha, uneshaja ekhethekile. Lawa mashaja azozilungisa ngokuzenzakalelayo imodi yokushaja ngokuvumelana nesimo samanje sebhethri.

I-3, ithuluzi lokushaja ibhethri ye-lithium ion enesivinini esikhulu kufanele isebenzise ishaja ekhethekile ukuqinisekisa ukushaja kokuphepha. Uma ishaja isebenza, ishaja ibhethri ngamandla angashintshi. Ngevoltheji entsha yebhethri, ishaja izophinde yengeze i-voltage yokushaja ukusheshisa isivinini sokushaja.

Uma ibhethri lifinyelela ekunqamukeni okungu-4.2V, ibhethri izophuthunyiswa kuphela cishe ku-70% (angagcwali). Ngalesi sikhathi, ishaja izoqhubeka nokushaja ibhethri nge-voltage engashintshi, futhi kancane kancane yehle, lapho inani lingaphansi kuka-0.

1a, uzoyeka ukushaja lapho i-voltage yebhethri iqhubeka nokukhuphuka. 4. Ukushaja njalo ibhethri le-lithium ion lesikhathi eside kufanele ligcinwe endaweni epholile eyomile.

Ibhethri elinomthamo ogcwele lizokonakala, futhi ibhethri engase yenziwe izokonakala futhi ilahlekelwe ukusebenza ngaphandle kukagesi. Enqubweni egciniwe, njalo ezinyangeni ezi-3 kuya kweziyisi-6, ukuze uqedele umjikelezo wokushaja, kufanele wenze ukulinganisa kwebhethri. Isiphetho: Ngokuthuthukiswa kwesayensi nobuchwepheshe, imikhiqizo yebhethri ye-lithium-ion ephezulu yezinga eliphezulu ibe yimikhiqizo ehlukahlukene ye-electronics speed.

Ibhethri ye-lithium-ion enesivinini esiphezulu ingashaja izikhathi ezingu-300 ~ 500, uma idlula le nombolo, ibhethri ngeke lisetshenziswe, yiqiniso, lokhu kubhekisela kuphela. Ibhethri ye-lithium-ion yokukhulisa kakhulu ayihlangene nenani lokushaja, futhi ihlobene nomjikelezo wokushaja nokukhipha, okungukuthi, inani lezikhathi ukusuka ekushajelweni okunguziro ukuya ekuqedeni ukushajwa. .

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