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Ibhetri ye-lithium ye-iron phosphate ion ibhekisa kwibhetri ye-lithium ion ene-lithium iron phosphate njengesixhobo se-electrode esilungileyo. Izinto ezintle ze-electrode zebhetri ye-lithium-ion zibalulekile kwi-lithium cobalt organte, i-lithium manganate, i-lithium nickel acid, izinto ezintathu-dimensional, i-lithium iron phosphate, njl. iibhetri ze-ion.
I-Lithium iron phosphate ion ibhetri ipakethi kufuneka yandise, iphucule ibhetri ye-lithium ukusebenza kobushushu obuphantsi. Yintoni into echaphazela amandla aphantsi obushushu bepakethi yebhetri ye-lithium phosphate ion? Kwi-lithium iron phosphate ion battery pack, iingcali zoshishino ziye zenza uphando oluthe kratya malunga neempawu zalo zokushisa eziphantsi, izizathu: 1. Indawo yokuvelisa: ibhetri ye-lithium phosphate ion ibhetri I-Package yimveliso ye-high-tech enemveliso enkulu yeekhemikhali.
Indawo yayo yokuvelisa ineemfuno eziphezulu zeqondo lokushisa, umswakama, uthuli, njl., kwaye ukuba akukho lawulo, umgangatho webhetri uya kutshintsha. 2, ukuqhuba kakubi, ukucotha kwe-lithium ion ukusasazwa kwesantya.
Xa ixabiso eliphezulu kunye nokukhutshwa, inani langempela liphantsi, le ngxaki yinto enzima ukukhawulela uphuhliso lwe-lithium iron phosphate industry. I-lithium iron phosphate ayinalo uluhlu olubanzi lwezicelo kade, lo ngumba obalulekileyo. I-3, impembelelo yezinto eziphathekayo, i-lithium iron phosphate positive electrode ngokwayo ihlwempuzekile, kwaye i-polarization ixhomekeke kwi-polarization, ukunciphisa umthamo womthamo; isibonda esibi sibalulekile kwintlawulo ephezulu yokushisa, kuba ichaphazela ingxaki yokhuseleko; Enye, inokunyusa i-viscosity kwiqondo lokushisa eliphantsi, i-lithium ion impedance yokufuduka iya kwanda; eyesine sisidibanisi, kwaye nalo likhulu ngokwentelekiso.
Uyiphucula njani ibhetri ye-lithium ye-iron phosphate ion ubushushu obuphantsi? Siphakamisa ukusebenza kobushushu obuphantsi be-lithium iron ion ibhetri ipakethi ukusuka kwi-electrode elungileyo, i-electrode engalunganga, i-electro-hydraulic, kunye ne-binder. Ngokumalunga ne-positive, ngoku i-nanomechanically, ubungakanani bayo bamasuntswana, ukuxhathisa, kunye nabavelisi be-AB planar axis baya kuchaphazela iimpawu zobushushu obuphantsi bebhetri. Iinkqubo ezahlukeneyo zineempembelelo ezahlukeneyo kwi-electrode elungileyo, kunye neempawu zokukhutshwa kobushushu obuphantsi bebhetri eyenziwe yi-100 ukuya kwi-200 nano-particle diameter phosphate, enokukhulula i-94% kwi-degrees -20, eyi-particle diameter ye-nanofence efinyeza indlela. Ukufuduka, Kwakhona kuphucula ukusebenza kweqondo lokushisa eliphantsi kunye nokukhutshwa, kuba ukukhutshwa kwe-lithium phosphate kuhambelana ne-electrode efanelekileyo.
Ukuqwalasela iimpawu zokutshaja ezivela kwi-electrode engalunganga, ukutshaja kobushushu obuphantsi beebhetri ze-lithium ion kubalulekile, kubandakanywa ubungakanani besuntswana lobungakanani besuntswana kunye nepitch ye-electrode engalunganga, khetha igraphite yokwenziwa ezintathu ezahlukeneyo njenge-electrode engalunganga yokufunda isithuba esahlukileyo somaleko kunye Ubungakanani besuntswana iperi lobushushu obuphantsi Isiphumo seempawu. Ukusuka kwizinto ezintathu, igraphite yengqolowa yomaleko inkulu, ukusuka kwi-impedance, i-impedance yomzimba kunye ne-ion impedance impedance incinci. Ngokumalunga nokutshaja, ipakethe yebhetri ye-lithium-ion ayinkulu kwiqondo lokushisa eliphantsi ebusika, kwaye kubalulekile ukuba intlawulo yokushisa ephantsi.
Ngenxa yokuba kwi-horizontal flow ratio, i-1C okanye i-0.5C ye-cross-flow ratio ibaluleke kakhulu, kuxinzelelo oluqhubekayo ukuba lube lude kakhulu, ngokuphucula uthelekiso lwegraphite ezintathu ezahlukeneyo, enye inophuculo olukhulu kakhulu kwi-20 degree yokutshaja rhoqo I-40% ukuya kwi-70%, izithuba zomaleko zinyukile, kwaye kukho ukuhla kwesayizi yamasuntswana. Esi siqwenga se-electrolyte, kwi-degrees -20, -30 degrees, i-electrolyte, i-viscosity eyandisiweyo, kwaye iyancipha ukusebenza.
I-Electrolyte evela kwiinkalo ezintathu: i-solvent, ityuwa ye-lithium, i-additive. I-solvent inefuthe eliphantsi lokushisa kwe-lithium iron phosphate ion battery packs ukusuka kwi-70% ukuya ngaphezu kwe-90%, kunye namanqaku angaphezu kweshumi elinesibini; okwesibini, iityuwa ze-lithium ezahlukeneyo zinempembelelo ethile kwiimpawu zokushisa okuphantsi kunye nokukhutshwa. Silungise inkqubo ye-solvent kunye nesiseko setyuwa ye-lithium, i-additive yokushisa ephantsi inokunyusa umthamo wokukhupha ukusuka kwi-85% ukuya kwi-90%, oko kukuthi, kuyo yonke inkqubo ye-electrolytic liquid, i-solvent, ityuwa ye-lithium kunye ne-additives yiqondo lokushisa eliphantsi kumandla ethu e-lithium. ibhetri.
Iimpawu zineempembelelo ezithile, kubandakanywa nezinye iinkqubo eziphathekayo. I-Adhesive, kwimeko ye-degrees ezingama-20, amanqaku amabini mhlawumbi aqhutywe yi-70 ukuya kwi-80 imijikelezo, kwaye ipleyiti yonke yimeko yokungaphumeleli kwe-adhesive, kwaye i-binder yomgca ayikho. le ngxaki.
Emva kwenkqubo yonke, emva kokuphuculwa kwe-electrode efanelekileyo, i-electrode engalunganga, i-electrolyte kwi-binder, i-lithium phosphate ion ibhetri ye-monomer yenza isiphumo esingcono, enye yimpawu zokutshaja, -20, -30, -40 degrees Ubushushu 0.5C ukutshaja rhoqo umlinganiselo wangoku unokufikelela kwi-62.9%, - ukukhutshwa kweqondo lokushisa kwe-20 kunokukhutshwa kwi-94%, oku kungenye yeempawu zokwandiswa kunye nomjikelo.
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