(Lithium metal anode) Interfacial akụkụ nke ọhụrụ anion-enwetara siri ike electrolyte

A na-eji Solid Electrolyte Interphase (SEI) akọwa usoro ọhụrụ a kpụrụ n'etiti anode na electrolyte na batrị arụ ọrụ.Nnukwu ike njupụta lithium (Li) batrị igwe na-egbochi nke ukwuu site na ntinye lithium dendritic nke SEI na-abụghị uwe na-eduzi.Ọ bụ ezie na ọ nwere uru pụrụ iche n'ịkwalite ịdị n'otu nke nkwụnye ego lithium, na ngwa ndị bara uru, mmetụta nke SEI na-enweta anion adịghị mma.N'oge na-adịbeghị anya, ndị otu nyocha nke Zhang Qiang sitere na Mahadum Tsinghua tụrụ aro ka ha jiri ndị na-anabata anion gbanwee usoro electrolyte iji wuo SEI sitere na anion kwụsiri ike.Tris (pentafluorophenyl) borane anion receptor (TPFPB) nwere electron-deficient boron atom na-emekọ ihe na bis (fluorosulfonimide) anion (FSI-) iji belata nkwụsi ike nke FSI-.Na mgbakwunye, na ọnụnọ TFPPB, ụdị ụyọkọ ion (AGG) nke FSI- na electrolyte agbanweela, FSI- na-emekọkwa ihe na Li + karịa.Ya mere, a na-akwalite ire ere nke FSI- iji mepụta Li2S, na nkwụsi ike nke SEI sitere na anion na-eme ka ọ dịkwuo mma.

Ihe mejupụtara SEI bụ ngwaahịa mbelata ire ere nke electrolyte.Ihe mejupụtara na nhazi nke SEI na-achịkwa nke ọma site na nhazi nke electrolyte, ya bụ, mmekọrịta dị n'etiti ihe mgbaze, anion, na Li +.Ọdịdị nke electrolyte na-agbanwe ọ bụghị nanị na ụdị ihe mgbaze na nnu lithium, kamakwa na ntinye nke nnu.N'ime afọ ndị na-adịbeghị anya, electrolyte dị elu (HCE) na mpaghara elu-concentration electrolyte (LHCE) egosiwo uru pụrụ iche n'ịkwụsi ike nke lithium metal anodes site n'ịmepụta SEI kwụsiri ike.Oke molar nke ihe mgbaze na nnu lithium dị obere (ihe na-erughị 2) na a na-ewebata anions n'ime sheath ngwọta mbụ nke Li+, na-akpụ kọntaktị ion pairs (CIP) na mkpokọta (AGG) na HCE ma ọ bụ LHCE.A na-ahazi ihe mejupụtara nke SEI site na anions na HCE na LHCE, nke a na-akpọ SEI sitere na anion.N'agbanyeghị arụmọrụ ya mara mma n'ịkwụsi ike lithium metal anodes, SEI nke a na-enweta ugbu a ezughị ezu iji zute ihe ịma aka nke ọnọdụ ndị bara uru.Ya mere, ọ dị mkpa iji meziwanye nkwụsi ike na ịdị n'otu nke SEI sitere na anion iji merie ihe ịma aka ndị dị n'okpuru ọnọdụ n'ezie.

Anions n'ụdị CIP na AGG bụ isi mmalite maka SEI sitere na anion.N'ikpeazụ, Li + na-achịkwa usoro electrolyte nke anions n'ụzọ na-edoghị anya, n'ihi na ụgwọ dị mma nke ihe mgbaze na mkpụrụ ndụ ihe na-adịghị ike na-adịghị ike na enweghị ike ịmekọrịta ya na anions.Ya mere, atumatu ohuru maka ịhazi nhazi nke anionic electrolytes site na iso anions na-emekọrịta ihe na-atụ anya nke ukwuu.