Ezweni elishintsha ngokushesha lokugcina amandla, izinhlobo ezimbili zamabhethri bezilokhu zisematheni:Amabhethri e-Sodium-ion (ama-SIB)futhiAmabhethri e-Lithium-iron-phosphate (amabhethri e-LFP). Kokubili ubuchwepheshe bebhethri le-sodium kanye nobuchwepheshe bebhethri le-lithium bubuchwepheshe obuthembisayo, kodwa bunezici ezihlukile ezibenza bafanelekele izinhlelo zokusebenza ezahlukene. Kulesi sihloko, sizohlola ukuthi ayini amabhethri e-sodium-ion kanye ne-lithium-iron-phosphate, bese siqhathanisa umehluko wawo ngokusekelwe emiphumeleni yocwaningo lwakamuva.
Ayini Amabhethri e-Sodium-ion (ama-SIB)?
Amabhethri e-Sodium-ion (ama-SIB)uhlobo lwebhethri eliphinde lishajwe elisebenzisa ama-ion e-sodium (Na+) njengezithwali zokushaja. I-sodium iningi futhi ayibizi, okwenza ama-SIB abe ubuchwepheshe obusha bebhethri obuzothatha indawo ye-lithium.
Ama-SIB ngokuvamile asebenzisa i-hard carbon njengezinto ze-anode, okuhlukile ku-graphite evame ukusetshenziswa kuma-LIB. Izinto ze-cathode zingahluka, kodwa zivame ukuklanywa ukuze zivumelane nosayizi omkhulu wama-ion e-sodium uma kuqhathaniswa nama-ion e-lithium.
Ayini Amabhethri e-LFP (ibhethri le-Lithium-iron-phosphate)?
Amabhethri e-Lithium-iron-phosphate (amabhethri e-LFP)ziyizinhlobo zesitoreji sebhethri le-lithium-ion ezisebenzisa i-lithium iron phosphate (LiFePO4) njengezinto ze-cathode.
Amabhethri e-Lithium LiFePO4 aziwa ngokuqina kwawo kokushisa, impilo yomjikelezo omude, kanye nokuphepha.
Zisetshenziswa kabanzi ezimotweni zikagesi (ama-EV), isitoreji samandla avuselelekayo, kanye nezinye izinhlelo zokusebenza lapho ukuphepha nokuphila isikhathi eside kubalulekile khona.
Ibhethri le-Sodium-ion VS Ibhethri le-Lithium Ion
Isithombe: Technical University of Munich (TUM), Journal of Power Sources, CC BY 4.0
| Izindlela Zokuqhathanisa | Ibhethri le-Sodium-ion | Ibhethri le-Lithium-iron-phosphate |
| Ukusebenza Kagesi | - Uzwela kakhulu esimweni sokushaja (i-SOC) kanye nokushisa. - Ukumelana nokushaya kwenhliziyo kanye nokungazweli kuyanda kakhulu ku-SOC ephansi (<30%) kodwa kwehla ku-SOC ephezulu. | - Ukuncika okuncane ku-SOC kanye nokushisa. - Ukumelana okuzinzile kanye nokungavimbeli kuzo zonke izinhlobo ze-SOC kanye nokushisa. |
| Izinto ze-Anode | Isebenzisa ikhabhoni eqinile njengezinto ze-anode, ezifanelekela ukuhlanganiswa kwe-sodium ion kanye nokususwa kwe-intercalation. | Isebenzisa i-graphite njengento ye-anode, efanelekela ukuhlanganiswa kwe-lithium ion kanye nokususwa kwe-intercalation. |
| Ukusebenza Kahle Nokulahlekelwa Amandla | - Ukusebenza kahle kuncike kakhulu ku-SOC. - Ukulahlekelwa amandla kunciphe kakhulu uma kuqhutshwa ngebhayisikili phakathi kuka-50%-100% we-SOC. | - Ukusebenza kahle akuxhomekile kakhulu ku-SOC. - Igcina ukusebenza kahle okuqhubekayo kuzo zonke izinhlobo ze-SOC. |
| Izindleko Nobuningi Bezinto Ezibonakalayo | - I-Sodium itholakala ngobuningi futhi ishibhile, inikeza izinzuzo ezingaba khona zezindleko. - Izinqubo zobuchwepheshe kanye nokukhiqiza zisathuthuka, okungase kunciphise izinzuzo zezindleko zesikhashana. | - I-lithium ayitholakali kalula futhi ibiza kakhulu. - Izinqubo zokukhiqiza ezivuthiwe kanye nochungechunge lokuhlinzeka oluzinzile kwenza kube lula ukuncintisana ngezindleko esikhathini esifushane. |
| Izicelo | - Kufanelekela izinhlelo zokusebenza ezibiza kakhulu, njengokugcina amandla egridi. - Kuhle kakhulu ekusetshenzisweni lapho isisindo nosayizi kungabalulekile khona. | - Kufanelekela izinhlelo zokusebenza ezidinga ukuphepha okuphezulu kanye nokuqina, njengezimoto zikagesi kanye nesitoreji samandla elanga. - Kuhle kakhulu ezimweni ezidinga impilo yomjikelezo omude kanye nokuthembeka okuphezulu. |
| Ukuzwela kwezinga lokushisa | - Ukusebenza kuyashintshashintsha kakhulu ngaphansi kwamazinga okushisa aphansi noma aphezulu. - Izinguquko zokushisa zithinta kakhulu ukumelana nokumelana. | - Ukusebenza okuzinzile kulo lonke ibanga lokushisa elibanzi. - Izinguquko zokushisa azinawo umthelela omkhulu ekusebenzeni. |
| Ubuningi Bamandla | - Ubuningi bamandla obuphansi, obufanele ukusetshenziswa lapho ubuningi bamandla bungeyona into ebalulekile. | - Ubuningi bamandla aphezulu, afanele ukusetshenziswa okudinga ubuningi bamandla aphezulu, njengezimoto zikagesi. |
| Ukuphepha | - Ukuphepha okuhle, kodwa i-anode yekhabhoni eqinile ingabangela i-hysteresis. | - Ukuphepha okuhle kakhulu, ukuzinza okuphezulu kokushisa, kanye nengozi ephansi yokubaleka kokushisa. |
| Ucwaningo Nentuthuko | - Ubuchwepheshe busathuthukiswa, ucwaningo lugxile ekwenzeni ngcono izinto ze-anode kanye ne-cathode ukuze kuthuthukiswe ukusebenza. | - Ubuchwepheshe obuvuthiwe, ucwaningo olugxile ekuthuthukiseni ukuminyana kwamandla nokunciphisa izindleko. |
Isifinyezo:
- ⭐Amabhethri e-Sodium-ion (ama-SIB) zinikeza izinzuzo ngezindleko kanye nobuningi bezinto ezibonakalayo, kodwa zizwela kakhulu izinga lokushisa kanye ne-SOC, okwenza zifaneleke ezinhlelweni zokusebenza ezibucayi ngezindleko ezinezidingo zokusebenza eziqinile.
- ⭐Amabhethri Elanga e-LiFePO4 ziphumelela kakhulu ekuzinzeni, ekuphepheni, nasekusebenzeni kahle, okwenza zibe zilungele izinhlelo zokusebenza ezidinga ukusebenza okuphezulu, ukuphepha, kanye nokuphila isikhathi eside.
Leli thebula linikeza ukuqhathanisa okucacile nokunembile kobuchwepheshe bebhethri obubili, okusiza abenzi bezinqumo ukuthi bakhethe inketho efaneleke kakhulu ngokusekelwe ezidingweni ezithile.
Isiphetho
Kokubili i-Sodium-ion kanyeamabhethri e-lithium ion phosphateanezinzuzo nezinselelo zawo ezihlukile. Amabhethri e-sodium anikeza ithuba lokunciphisa izindleko ngenxa yobuningi be-sodium, kodwa azwela kakhulu ezinguqukweni ze-SOC kanye nokushisa, okungathinta ukusebenza kwawo kahle. Ngakolunye uhlangothi,Amabhethri e-lithium e-LiFePO4zinikeza ukusebenza okuzinzile, impilo yomjikelezo omude, kanye nokuphepha okuphezulu, okwenza zilungele ukusetshenziswa okubanzi, ikakhulukazi lapho ukuthembeka kubalulekile khona.
Njengoba ucwaningo luqhubeka, singalindela intuthuko eyengeziwe kuzo zombili ubuchwepheshe, okungenzeka kuholele ekusetshenzisweni okusha kanye nokusebenza okuthuthukisiwe. Okwamanje, ukukhetha phakathi kwe-Sodium-ion kanye ne-amabhethri e-lithium phosphatekuzoncika ezidingweni ezithile zesicelo, okuhlanganisa izindleko, ukusebenza, kanye nokubhekwa kokuphepha.
Ngokuqonda umehluko phakathi kwalezi zinhlobo ezimbili zamabhethri, izinkampani zingenza izinqumo ezinolwazi oluthe xaxa mayelana nokuthi yibuphi ubuchwepheshe obufanela kangcono izidingo zazo, kungakhathaliseki ukuthi zikhiqiza amabhethri ezimoto zikagesi, isitoreji samandla avuselelekayo, noma ezinye izinhlelo zokusebenza.
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