纳离子电子

Ukuthelekiswa kweenzuzo kunye nokungonakali phakathi kwebhetri ye-lithium ion kunye nebhetri ye-sodium ion.Iibhetri zaseTshayina zisetyenziswa ikakhulu kumashishini amathathu, angala izithuthi zombane, ugcino lwamandla kunye nombane osetyenziswa ngabathengi.Ngaphakathi kwezi zikhokelo ezintathu, ngokukodwa kwiminyaka yamuva, intsimi yezithuthi zombane kunye nokugcinwa kwamandla kuye kwaphuhliswa ngokukhawuleza, kugxininise kwiibhetri ze-lithium-ion.Xa kuthelekiswa ne-lithium, isodiyam ikhona ngokubanzi kwindalo kwaye kulula ukuyifumana, kodwa iprototype yokuqala yebhetri ye-ion yesodium ineempawu zokusebenza okuphantsi kunye nobomi obufutshane.Ngoku, ibhetri ye-sodium ion iye yaba yindlela entsha ethembisayo.Eli nqaku lihlalutya iingenelo kunye nokungonakali kwebhetri ye-lithium-ion kunye nebhetri ye-sodium ion.
Umgaqo osebenzayo kunye neenzuzo zebhetri ye-ion yesodium
Umgaqo:kwinkqubo yokuhlawula kunye nokukhutshwa, i-Na + ifakwe kwaye isuswe ngasemva naphambili phakathi kwee-electrode ezimbini: ngexesha lokutshaja, i-Na + ikhutshwe kwi-electrode efanelekileyo kwaye ifakwe kwi-electrode engafanelekanga nge-electrolyte;Kuchasene xa ukhupha.
Izinto eziluncedo:
(1) Izinto zetyuwa yesodium zininzi kwaye zitshiphu.Xa kuthelekiswa ne-ternary cathode material ye-lithium-ion ibhetri, ixabiso lezinto ezibonakalayo liyancipha ngesiqingatha;
(2) Ngenxa yeempawu zetyuwa yesodium, kuvunyelwe ukusebenzisa i-electrolyte ephantsi yoxinaniso (kunye ne-electrolyte yoxinaniso efanayo, i-conductivity yetyuwa ye-sodium i malunga ne-20% ephezulu kune-lithium electrolyte) ukunciphisa iindleko;
(3) Iiyoni zesodium azenzi ingxubevange enealuminiyam.Ifoyile ye-aluminiyam ingasetyenziswa njengomqokeleli we-electrode engeyiyo, enokunciphisa ngakumbi iindleko malunga ne-8% kunye nobunzima malunga ne-10%;
(4) Ngenxa yeempawu zokukhutshwa kwebhetri ye-sodium ion, akukho kukhutshwa kwe-sodium ion kuvunyelwe.Ubuninzi bamandla ebhetri ye-ion yesodium bukhulu kune-100wh / kg, enokuthelekiswa nebhetri ye-lithium yentsimbi ye-phosphate, kodwa inzuzo yayo yeendleko icacile, ekulindeleke ukuba ithathe indawo yebhetri ye-lead-acid kwindawo yokugcina amandla amakhulu.

Ukuthelekiswa kweenzuzo kunye nokungonakali phakathi kwebhetri ye-lithium ion kunye nebhetri ye-sodium ion
1. Abathwali bentlawulo yangaphakathi yebhetri bahlukile.Ibhetri ye-lithium ihlawuliswa kwaye ikhutshwe yintshukumo kunye nokuguqulwa kwe-lithium ion phakathi kwe-electrodes efanelekileyo kunye ne-negative, ngelixa ibhetri ye-ion ye-sodium ihlawuliswa kwaye ikhutshwe ngokufakela kunye nokuchithwa kwe-sodium ion phakathi kwe-electrodes efanelekileyo kunye ne-negative.Enyanisweni, imigaqo yokusebenza kwezi zimbini ziyafana.
2. Ngenxa yokwahlukana kwe-ion radius, ukusebenza kwebhetri ye-sodium ion iphantsi kakhulu kunebhetri ye-lithium ion;I-electrode engalunganga ye-lithium ion inokwenza i-graphite, kodwa i-ion ye-sodium ayinakukwazi ukufakwa / ifakwe kwi-graphite, kwaye umthamo uncinci kakhulu;Ezinye izinto zekhabhoni zingafikelela malunga ne-300 MAH emva kokunyanga;Umthamo we-ion kwi-electrode efanelekileyo incinci kakhulu, kuphela ngaphezu kwe-100 MAH;Ukumelana ne-sodium ion intercalation / de intercalation kwi-electrode elungileyo kunye nengalunganga kukhulu kakhulu, okuvela kwiradiyo enkulu;Ukubuyiselwa umva okulambathayo kunye nelahleko enkulu engenakubuyiseka yesakhono.

Imeko yangoku yoshishino lwebhetri ion sodium e China
Ibhetri ye-sodium ion lishishini elikhulayo.Isenokufuna uphando olongezelelekileyo kunye nophuhliso ukuze iqhakaze ixesha.Okwangoku, i-industrialization yebhetri ye-sodium ikhula ngokukhawuleza e-China.NgoJanuwari 2019, ibhetri ye-ion yesodium iphuhliswe ngokuzimeleyo yiLiaoning XingKong ibhetri yombane yesodium Co., Ltd. e-Anshan kutshanje ingene kwinqanaba lokuvelisa ngobuninzi.Umgca wokuqala we-sodium ion wokuvelisa ibhetri yehlabathi waqaliswa ukusebenza, kwaye ixabiso lemveliso yonyaka lilindeleke ukuba lidlule kwi-10 yeebhiliyoni zeeyuan emva kwemveliso enkulu.
Ukusuka kwimbono yoshishino, ukuveliswa kweebhetri zesodium kusesebuncinaneni bayo.Iziphumo ezininzi zophando zisasazwa kuphela kwiiKholeji kunye neeyunivesithi kunye namaziko ophando, kwaye kuya kuthatha ixesha ngaphambi kokuba zisetyenziswe ngokwenene - abanye abaphandi bade bathi akukho thuba leebhetri ze-sodium ion de i-lithium yomhlaba iphelile.Njengobuchwephesha bobukrelekrele bokwenziwa, ibhetri yesodium ayinakuthandwa ekuqaleni kwaye inokujikeleziswa kuphela kwisikolo semfundo, kodwa inokuba nenguquko ngolunye usuku kwaye ikhawuleze umhlaba kwishishini.Oku kunokwenzeka kakhulu, ke ibhetri yesodium eneneni ifanelwe ingqwalasela ephezulu yoosomashishini abajonge phambili nabatyali-mali.
Ibhetri ye-sodium ion yenye yezalathiso ezibalulekileyo zophuhliso lwebhetri yokugcina amandla kwixesha elizayo.Ngenkqubela phambili eqhubekayo ye-sodium ion R & D iteknoloji, inkqubo yokuthengisa iibhetri ze-sodium ion iya kuqhubeka nokukhawuleza.Mhlawumbi ukulungiswa kwale ntsimi kwangaphambili kulindeleke ukuba kuholele kwintsimi yeebhetri zamandla amatsha.Ngokuqinisekileyo, kubonakala kusekuqaleni kakhulu ukuthetha ukuba iibhetri ze-sodium ion zithatha indawo yeebhetri ze-lithium.

 


Ixesha lokuposa: Jul-31-2021
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