NgoJulayi 12, intatheli yafunda ukuthi iSikole seChemical Engineering saseHarbin Institute of Technology sesenze ibhethri ye-lithium-ion ye-fiber isebenzisa ubuchwepheshe bokuphrinta be-3D. Leli bhethri le-lithium-ion likwazi ukuguquguquka okuhle futhi lingalukwa ngemicu yezingubo ezigqokekayo. Imishini kagesi.

Ucwaningo lusebenzisa izinhlayiya ze-lithium iron phosphate (LFP) kanye ne-lithium titanate (LTO) njengezinto ezisebenzayo nezingezinhle, i-carbon nanotubes (CNTs), i-polyvinylidene fluoride (PVDF), ne-N-methylpyrrolidone (NMP) Zisetshenziswa njengezinto ezisebenzayo, izibophezelo. kanye nezincibilikisi zokulungiselela "oyinki" obuphozithivu nabangemuhle obuphrintekayo. Phakathi nenqubo yokunyathelisa, ikhanda lokuphrinta licwiliswa kusisombululo se-ethanol ukuze kuqiniswe ngokushesha i-electrode ye-fiber ephrintiwe. I-fiber ephrintiwe iqiniswa iminithi elingu-1, bese ikhishwa futhi yomiswe ukuze kutholwe i-electrode oyifunayo. Ama-electrode amahle nebi we-electrode asongwe emucu ngemva kokugoqwa nge-polymer, afakwe eshubhuni elincipha ukushisa, i-electrolyte yengezwe futhi ihlanganiswe, futhi ibhethri ye-lithium ion iyatholakala.

Ucwaningo luye lwabonisa ukuthi lesi yisikhathi sokuqala lapho ubuchwepheshe bokuphrinta be-3D be-extrusion busetshenziswe ekulungiseleleni ama-electrode ama-fiber positive kanye nama-negative. Ibonise izici ezinhle zemishini, ukuguquguquka kanye nezakhiwo ze-electrochemical, futhi umthamo wayo wokuqala wokushaja wokushaja ngu-141.3 no-110mAh/ g, futhi ngemva kwemijikelezo engu-30, isengakwazi ukugcina u-81% yenani lokuqala. Ngamafuphi, lobu buchwepheshe buhlinzeka ngendlela yokukhiqiza ibhethri esheshayo, engabizi kakhulu, futhi enwebekayo yamadivayisi kagesi ahlakaniphile, aguquguqukayo, futhi agqokekayo.

Xhumanisa nale ndatshana: Ibhethri ye-lithium-ion ephrintiwe ye-3D ye-fiber ingasetshenziswa emkhakheni wamadivayisi kagesi agqokekayo

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