1A

 

Ibhetri yomoya yensimbi yinto esebenzayo esebenzisa isinyithi esine-electrode engalunganga, njenge-magnesium, i-aluminium, i-zinc, i-mercury kunye nentsimbi, njenge-electrode engalunganga, kunye ne-oksijini okanye i-oksijini ecocekileyo emoyeni njenge-electrode efanelekileyo.Ibhetri ye-Zinc-moya yeyona bhetri ephandiweyo kwaye isetyenziswa ngokubanzi kuthotho lwebhetri yomoya.Kwiminyaka eyi-20 edlulileyo, izazinzulu zenze uphando oluninzi kwi-zinc-air battery yesibini.I-Sanyo Corporation yaseJapan ivelise umthamo omkhulu webhetri ye-zinc yomoya.Ibhetri ye-zinc-air ye-trekta ene-voltage ye-125V kunye nomthamo we-560A · h iphuhliswe ngokusebenzisa indlela yomoya kunye ne-electro-hydraulic force circulation.Kuxelwa ukuba isetyenziswe kwizithuthi, kwaye ukuxinana kwayo kwangoku kungafikelela kwi-80mA / cm2, kwaye ubuninzi bunokufikelela kwi-130mA / cm2.Ezinye iinkampani zaseFransi naseJapan zisebenzisa indlela yokujikeleza i-zinc slurry ukuvelisa i-zinc-air yangoku yesibini, kwaye ukubuyiswa kwezinto ezisebenzayo kuqhutyelwa ngaphandle kwebhetri, ngamandla okwenene angama-115W · h / kg.

Iingenelo eziphambili zebhetri yomoya wentsimbi:

1) Amandla athile aphezulu.Ekubeni izinto ezisebenzayo ezisetyenzisiweyo kwi-electrode yomoya i-oksijini emoyeni, ayinakuphela.Kwithiyori, umthamo we-electrode elungileyo awunasiphelo.Ukongezelela, izinto ezisebenzayo zingaphandle kwebhetri, ngoko ke amandla athile e-theory yebhetri yomoya makhulu kakhulu kunaleyo ye-electrode ye-metal oxide.Amandla athile athiyori ebhetri yomoya yentsimbi ngokuqhelekileyo angaphezulu kwe-1000W · h/kg, eyeyemveliso yamandla ekhemikhali ephezulu yamandla.
(2) Ixabiso liphantsi.Ibhetri ye-zinc-air ayisebenzisi isinyithi esixabisekileyo njenge-electrode, kwaye izinto zebhetri zizinto eziqhelekileyo, ngoko ke ixabiso lincinci.
(3) Ukusebenza okuzinzileyo.Ngokukodwa, ibhetri yomoya we-zinc inokusebenza ngokuxinana okuphezulu ngoku emva kokusebenzisa i-electrode ye-porous zinc kunye ne-alkaline electrolyte.Ukuba i-oxygen ecocekileyo isetyenziselwa ukutshintsha umoya, ukusebenza kokukhutshwa kunokuphuculwa kakhulu.Ngokobalo lwethiyori, ukuxinana kwangoku kunokunyuswa malunga namaxesha angama-20.

Ibhetri yomoya wentsimbi inezi zinto zingeloncedo zilandelayo:

I-1), ibhetri ayinakutywinwa, okulula ukubangela ukomisa nokunyuka kwe-electrolyte, echaphazela umthamo kunye nobomi bebhetri.Ukuba i-alkaline electrolyte isetyenzisiwe, kulula ukubangela i-carbonation, ukwandisa ukuchasana kwangaphakathi kwebhetri, kunye nokuchaphazela ukukhutshwa.
I-2), ukusebenza kokugcinwa okumanzi kumbi, kuba ukusasazwa komoya kwibhetri ukuya kwi-electrode engalunganga kuya kukhawulezisa ukuzikhupha kwe-electrode engalunganga.
I-3), ukusetyenziswa kwe-zinc ene-porous njengoko i-electrode engafanelekanga idinga i-mercury homogenization.I-Mercury ayigcini nje ukulimaza impilo yabasebenzi kodwa ingcolisa indalo, kwaye idinga ukutshintshwa yi-non-mercury corrosion inhibitor.

Ibhetri yomoya yensimbi yinto esebenzayo esebenzisa isinyithi esine-electrode engalunganga, njenge-magnesium, i-aluminium, i-zinc, i-mercury kunye nentsimbi, njenge-electrode engalunganga, kunye ne-oksijini okanye i-oksijini ecocekileyo emoyeni njenge-electrode efanelekileyo.Isisombululo samanzi se-alkaline electrolyte sisetyenziswa ngokubanzi njengesisombululo se-electrolyte yebhetri yomoya yentsimbi.Ukuba i-lithium, i-sodium, i-calcium, njl njl. kunye ne-electrode enamandla ngakumbi enokuthi isetyenziswe njenge-electrode engalunganga, kuba inokusabela ngamanzi, kuphela i-electrolyte ye-organic non-aqueous efana ne-phenol-resistant electrolyte eqinile okanye i-electrolyte ye-inorganic efana ne-LiBF4 isisombululo setyuwa. zisetyenziswe.

1B

Magnesium-moya ibhetri

Nasiphi na iperi yentsimbi ene-electrode engafanelekanga kunye ne-electrode yomoya inokwenza ibhetri yomoya ehambelanayo.Amandla e-electrode ye-magnesium ayilunganga kwaye i-electrochemical elingana nayo incinci.Ingasetyenziselwa ukudibanisa ne-electrode yomoya ukwenza ibhetri yomoya ye-magnesium.I-electrochemical elingana ne-magnesium yi-0.454g / (A · h) Ф=- 2.69V. Amandla athile e-theory ye-magnesium-air ibhetri yi-3910W · h / kg, eyi-3 amaxesha ebhetri ye-zinc-air kunye ne-5 ~ Amaxesha e-7 yale yebhetri ye-lithium.Ipali engafanelekanga yebhetri ye-magnesium-moya yi-magnesium, i-pole positive i-oksijini emoyeni, i-electrolyte sisisombululo se-KOH, kunye nesisombululo se-electrolyte esingathathi hlangothi sinokusetyenziswa.
Umthamo omkhulu webhetri, amandla aphantsi kunye nokhuseleko oluqinileyo zizinto eziphambili zeebhetri ze-magnesium ion.Uphawu lwe-divalent ye-ion ye-magnesium yenza ukuba kube lula ukuthwala nokugcina iintlawulo zombane ezingaphezulu, kunye noxinano lwamandla e-1.5-2 amaxesha ebhetri ye-lithium.Ngexesha elifanayo, i-magnesium ilula ukuyikhupha kwaye isasazwe ngokubanzi.I-China inenzuzo epheleleyo yobutyebi.Emva kokwenza ibhetri ye-magnesium, inzuzo yayo enokubakho yeendleko kunye neempawu zokhuseleko lwezixhobo ziphezulu kunebhetri ye-lithium.Ngokuphathelele ukhuseleko, i-magnesium dendrite ayiyi kubonakala kwipali engafanelekanga yebhetri ye-magnesium ion ngexesha lokutshaja kunye nokukhupha umjikelo, onokuthintela ukukhula kwe-lithium dendrite kwibhetri ye-lithium ukugqobhoza i-diaphragm kwaye ibangele ibhetri ukuba ijikeleze, umlilo kunye ugqabhuko-dubulo.Ezi zibonelelo zingasentla zenza ibhetri ye-magnesium ibe nethemba elikhulu lophuhliso kunye nokubakho.

Ngokubhekiselele kuphuhliso lwamva nje lweebhetri zemagnesium, iQingdao Institute of Energy yeChinese Academy of Sciences yenze inkqubela entle kwiibhetri zasesekondari zemagnesium.Okwangoku, iphule i-bottleneck yobugcisa kwinkqubo yokwenziwa kweebhetri zesibini ze-magnesium, kwaye iphuhlise iseli enye ene-energy density ye-560Wh / kg.Isithuthi sombane esinebhetri yomoya ye-magnesium epheleleyo ephuhliswe eMzantsi Korea inokuqhuba ngempumelelo iikhilomitha ze-800, eziphindwe kane kumyinge weenqwelo ze-lithium zangoku zebhetri.Inani lamaziko aseJapan, kuquka i-Kogawa Battery, i-Nikon, i-Nissan Automobile, iYunivesithi yaseTohoku yaseJapan, i-Rixiang City, i-Miyagi Prefecture, kunye namanye amaziko ophando-iyunivesithi-iyunivesithi kunye namasebe karhulumente akhuthaza ngenkuthalo uphando lomthamo omkhulu webhetri yomoya ye-magnesium.UZhang Ye, iqela lophando leKholeji yobuNjineli banamhlanje yeYunivesithi yaseNanjing, kunye nabanye bayila i-electrolyte yejeli ephindwe kabini, eyaqaphela ukukhuselwa kwe-anode yensimbi ye-magnesium kunye nokulawulwa kweemveliso zokukhutshwa, kwaye yafumana ibhetri yomoya ye-magnesium enoxinzelelo olukhulu lwamandla. I-2282 W h · kg-1, ngokusekelwe kumgangatho wazo zonke i-electrode zomoya kunye ne-magnesium negative electrode), ephezulu kakhulu kunebhetri yomoya ye-magnesium kunye nezicwangciso ze-alloying anode kunye ne-anti-corrosion electrolyte kwiincwadi zangoku.
Ngokubanzi, ibhetri ye-magnesium isekwinqanaba lokuqala lokuhlola okwangoku, kwaye kusekho indlela ende ekufuneka ihambe phambi kokunyuswa okukhulu kunye nokusetyenziswa.


Ixesha lokuposa: Feb-17-2023
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