Ukuqhathaniswa kwezinzuzo kanye nokubi phakathi kwebhethri ye-lithium ion nebhethri ye-sodium ion.Amabhethri aseShayina asetshenziswa kakhulu ezimbonini ezintathu, okuyizimoto zikagesi, ezokugcina amandla kanye nezisetshenziswa zikagesi ezithengwayo.Ezizungeze lezi zikhombisi-ndlela ezintathu, ikakhulukazi eminyakeni yamuva, insimu yezimoto zikagesi kanye nokugcinwa kwamandla ithuthukiswe ngokushesha, igxile kumabhethri e-lithium-ion.Uma kuqhathaniswa ne-lithium, i-sodium ikhona kabanzi emvelweni futhi kulula ukuyithola, kodwa i-prototype yokuqala yebhethri ye-ion ye-sodium inezici zokusebenza okuphansi nokuphila okufushane.Manje, ibhethri ye-sodium ion isiphenduke isiqondiso esisha esithembisayo.Lesi sihloko sihlaziya izinzuzo nezinkinga zebhethri ye-lithium-ion nebhethri ye-sodium ion.
Isimiso sokusebenza kanye nezinzuzo zebhethri ye-sodium ion
Isimiso:enkambweni yokushaja nokukhishwa, i-Na + ishumekiwe futhi ikhishwe emuva naphambili phakathi kwama-electrode amabili: ngesikhathi sokushaja, i-Na + ikhishwa ku-electrode enhle futhi ifakwe ku-electrode engalungile nge-electrolyte;Kuphambene lapho ukhipha.
Izinzuzo:
(1) Izinto zokusetshenziswa zikasawoti wesodium ziningi futhi zishibhile.Uma kuqhathaniswa ne-ternary cathode material yebhethri ye-lithium-ion, izindleko zezinto zokusetshenziswa ziyancipha ngesigamu;
(2) Ngenxa yezici zikasawoti we-sodium, kuvunyelwe ukusebenzisa i-electrolyte yokuhlushwa ephansi (ene-electrolyte yokuhlushwa efanayo, ukuqhutshwa kosawoti we-sodium cishe ku-20% ephakeme kunaleyo ye-lithium electrolyte) ukunciphisa izindleko;
(3) Ama-sodium ions awakhi i-alloy ne-aluminium.Ucwecwe lwe-aluminium lungasetshenziswa njengomqoqi we-electrode engalungile, engaqhubeka nokunciphisa izindleko cishe ngo-8% kanye nesisindo cishe ngo-10%;
(4) Ngenxa yezici zokukhishwa kwebhethri ye-sodium ion, akukho ukukhishwa kwe-sodium ion okuvunyelwe.Ubuningi bamandla ebhethri ye-sodium ion bukhulu kuno-100wh / kg, obuqhathaniswa nebhethri ye-lithium iron phosphate, kodwa inzuzo yayo yezindleko isobala, okulindeleke ukuthi ithathe indawo yebhethri ye-lead-acid yendabuko endaweni yokugcina amandla amakhulu.

Ukuqhathaniswa kwezinzuzo kanye nokubi phakathi kwebhethri ye-lithium ion nebhethri ye-sodium ion
1. Izithwali zokushaja zangaphakathi zebhethri zihlukile.Ibhethri ye-lithium ishajwa futhi ikhishwe ukunyakaza nokuguqulwa kwe-lithium ion phakathi kwama-electrode aqondile kanye nama-negative, kuyilapho ibhethri ye-ion ye-sodium ishajwa futhi ikhishwe ngokushumeka nokuhlubula ama-ion e-sodium phakathi kwama-electrode aqondile noma angalungile.Eqinisweni, izimiso zokusebenza kokubili ziyafana.
2. Ngenxa yomehluko werediyasi ye-ion, ukusebenza kwebhethri ye-sodium ion kuphansi kakhulu kunebhethri ye-lithium ion;I-electrode engalungile ye-lithium ion ingenza i-graphite, kodwa i-sodium ion ayikwazi ukushumeka / ifakwe ku-graphite, futhi umthamo mncane kakhulu;Ezinye izinto zekhabhoni zingafinyelela ku-300 MAH ngemva kokwelashwa;Umthamo we-ion ku-electrode enhle mancane kakhulu, kuphela ngaphezu kwe-100 MAH;Ukumelana ne-sodium ion intercalation / de intercalation kuma-electrode aqondile noma angalungile kukhulu kakhulu, okuvela ku-radius enkulu;Ukuhlehla okungekuhle kanye nokulahlekelwa kwamandla amakhulu okungahlehliseki.

Isimo samanje semboni yebhethri ye-sodium ion e-China
Ibhethri ye-sodium ion imboni esafufusa.Kungase kudinge ucwaningo olwengeziwe nokuthuthukiswa ukuze kuqhakaze izimbali zesikhathi.Njengamanje, ukuthuthukiswa kwezimboni zebhethri le-sodium kuyakhula ngesivinini e-China.NgoJanuwari 2019, ibhethri ye-sodium ion eyakhiwe ngokuzimela yi-Liaoning XingKong ibhethri kagesi ye-sodium Co., Ltd. e-Anshan isanda kungena esigabeni sokukhiqiza ngobuningi.Ulayini wokuqala wokukhiqiza ibhethri ye-sodium emhlabeni wonke waqaliswa, futhi inani lokukhiphayo lonyaka kulindeleke ukuthi lidlule ama-yuan ayizigidi eziyizinkulungwane eziyi-10 ngemuva kokukhiqizwa okukhulu.
Ngokombono wezimboni, ukusungulwa kwezimboni zamabhethri e-sodium kusencane.Imiphumela eminingi yocwaningo isatshalaliswa emaKolishi nasemanyuvesi nasezikhungweni zocwaningo kuphela, futhi kuzothatha isikhathi ngaphambi kokuthi isetshenziswe - abanye abacwaningi baze bathi alikho ithuba lamabhethri e-sodium ion kuze kube yilapho izinqolobane ze-lithium zomhlaba seziphelile.Njengobuchwepheshe be-intelligence yokufakelwa, ibhethri ye-sodium ingase ingathandwa ekuqaleni futhi ingasakazwa kuphela esikoleni sezemfundo, kodwa ingase ibe nokushintshashintsha ngolunye usuku futhi ifike ngokushesha embonini.Lokhu kungenzeka kakhulu, ngakho-ke ibhethri ye-sodium empeleni idinga ukunakwa okuphezulu kosomabhizinisi nabatshalizimali ababheke phambili.
Ibhethri ye-sodium ion ingenye yezinkomba ezibalulekile zokuthuthukiswa kwebhethri yokulondoloza amandla esikhathini esizayo.Ngokuqhubeka okuqhubekayo kobuchwepheshe be-sodium ion R & D, inqubo yokuthengisa yamabhethri e-sodium ion izoqhubeka nokusheshisa.Mhlawumbe ukuhlelwa kwale nsimu kusengaphambili kulindeleke ukuthi kuhole emkhakheni wamabhethri amasha wamandla.Yiqiniso, kubonakala kusesekuseni kakhulu ukusho ukuthi amabhethri e-sodium ion athatha indawo yamabhethri e-lithium.