I ka ʻōnaehana pākaukau lithium-ion pāʻoihana o kēia manawa, ʻo ka mea palena ʻo ia ka conductivity uila.ʻO ka mea nui, ʻo ka lawa ʻole o ka conductivity o ka mea electrode maikaʻi e kaupalena pono i ka hana o ka hopena electrochemical.Pono e hoʻohui i kahi mea hana conductive kūpono e hoʻonui ai i ka conductivity o ka mea a kūkulu i ka pūnaewele conductive e hāʻawi i kahi ala wikiwiki no ka lawe ʻana i nā electron a hōʻoia i ka hoʻohana pono ʻana o ka mea hana.No laila, ʻo ka mea hana conductive he mea pono ʻole i ka pā lithium ion e pili ana i ka mea hana.

ʻO ka hana o kahi mea hana conductive e hilinaʻi nui i ke ʻano o nā mea hana a me nā ʻano e pili ana me ka mea hana.ʻO nā mea hoʻohana maʻamau lithium ion conductive agents i kēia mau hiʻohiʻona:

(1) ʻEleʻele kalapona: Hōʻike ʻia ke ʻano o ke kalapona ʻeleʻele e ke kiʻekiʻe o ka hui ʻana o nā ʻāpana kalapona ʻeleʻele i loko o ke kaulahao a i ʻole ke ʻano hua waina.ʻO nā ʻāpana maikaʻi, ke kaulahao pūnaewele paʻa paʻa, ka ʻāpana kikoʻī kikoʻī nui, a me ka nui o ka ʻāpana, he mea maikaʻi ia e hana i ke kaulahao conductive i loko o ka electrode.Ma ke ʻano he ʻelele o nā mea hoʻokele maʻamau, ʻo ka ʻeleʻele kalapona i kēia manawa ka mea hoʻohana nui loa.ʻO ka hemahema ʻo ia ke kiʻekiʻe o ke kumukūʻai a paʻakikī ke hoʻopuehu.

(2)graphite: Hōʻike ʻia ka graphite conductive e ka nui o ka nui kokoke i ka nui o nā mea hana maikaʻi a maikaʻi ʻole, kahi ʻili kūpono kūpono, a me ka conductivity uila maikaʻi.Hoʻohana ia ma ke ʻano he node o ka pūnaewele conductive i ka pākaukau, a i ka electrode maikaʻi ʻole, ʻaʻole hiki iā ia ke hoʻomaikaʻi wale i ka conductivity, akā i ka hiki.

(3) P-Li: Hōʻike ʻia ʻo Super P-Li e ka liʻiliʻi liʻiliʻi, e like me ke kalapona kalapona ʻeleʻele, akā ʻoi aku ka liʻiliʻi o ka ʻili, ʻoi aku ka maikaʻi o ka hoʻokumu ʻana i kahi pūnaewele conductive.ʻO ka hemahema, he paʻakikī ke hoʻopuehu.

(4)Nanotubes kalapona(CNTs): ʻO nā CNT nā mea hoʻokele i puka mai i nā makahiki i hala iho nei.Loaʻa iā lākou ke anawaena ma kahi o 5nm a me ka lōʻihi o 10-20um.ʻAʻole hiki iā lākou ke hana wale ma ke ʻano he "uwea" i nā ʻoihana conductive, akā loaʻa pū kekahi i ka hopena electrode layer pālua e hāʻawi i ka pāʻani i nā hiʻohiʻona kiʻekiʻe o nā supercapacitors.ʻO kāna conductivity thermal maikaʻi he mea kūpono hoʻi i ka hoʻokuʻu ʻana i ka wela i ka wā o ka hoʻopiʻi ʻana a me ka hoʻokuʻu ʻana, e hōʻemi i ka polarization pākaukau, hoʻomaikaʻi i ka hana kiʻekiʻe a me ka haʻahaʻa haʻahaʻa o ka pākaukau, a hoʻonui i ke ola pākaukau.

Ma ke ʻano he alakaʻi alakaʻi, hiki ke hoʻohana ʻia nā CNT i hui pū me nā mea electrode maikaʻi e hoʻomaikaʻi ai i ka hiki, ka helu, a me ka hana pōʻai o nā mea / pā.ʻO nā mea electrode maikaʻi e hiki ke hoʻohana ʻia: LiCoO2, LiMn2O4, LiFePO4, polymer positive electrode, Li3V2(PO4)3, manganese oxide, a me nā mea like.

Ke hoʻohālikelike ʻia me nā mea hana conductive maʻamau, ʻoi aku ka maikaʻi o nā nanotubes carbon e like me nā mea hoʻokele maikaʻi a maikaʻi ʻole no nā pākahi lithium ion.He kiʻekiʻe ka conductivity uila o Carbon nanotubes.Eia hou, CNTs nui hiʻona lākiō, a me ka haʻahaʻa hoʻohui nui hiki ke hoʻokō i ka percolation paepae e like me 'ē aʻe additives (mālama 'ana i ka mamao o electrons i loko o ka hui 'ole ka neʻeʻana kūloko).No ka mea hiki i ka carbon nanotubes ke hoʻokumu i kahi pūnaewele lawe electron maikaʻi loa, hiki ke loaʻa kahi waiwai conductivity e like me ka mea hoʻohui spherical particle me ka 0.2 wt% wale nō o SWCNTs.

(5)GrapheneHe ʻano hou ia o nā mea kalapona planar hikiwawe ʻelua ʻāpana me ka hoʻokele uila a me ka wela.Hāʻawi ka hale i ka ʻāpana pepa graphene e hoʻopili i nā ʻāpana mea hana, a hāʻawi i kahi helu nui o nā wahi hoʻopili conductive no ka maikaʻi a me ka maikaʻi ʻole o ka electrode mea ʻeleʻele, i hiki ai i nā electrons ke alakaʻi ʻia i kahi ākea ʻelua e hana i kahi. ʻupena conductive wahi nui.No laila ua manaʻo ʻia ʻo ia ka mea hana conductive kūpono i kēia manawa.

ʻO ke kalaponaʻeleʻele a me ka mea hana i ke kiko kiko, a hiki ke komo i loko o nā'āpana o ka mea hana e hoʻonui piha i ka ratio hoʻohana o nā mea hana.Ke kalapona nanotubes aia ma ke kiko laina pili, a hiki ke interspersed ma waena o nā mea hana e hana i ka hoʻolālā pūnaewele, ʻaʻole ia e hoʻonui wale i ka conductivity, I ka manawa like, hiki iā ia ke hana ma ke ʻano he ʻāpana hoʻopaʻa ʻana, a me ke ʻano pili o graphene. ʻo ia ka hoʻopili ʻana i ka maka, hiki ke hoʻopili i ka ʻili o ka mea ʻeleu e hana i kahi ʻāpana conductive pūnaewele nui e like me ke kino nui, akā paʻakikī ke uhi piha i ka mea hana.ʻOiai inā e hoʻonui mau ʻia ka nui o ka graphene i hoʻohui ʻia, paʻakikī ke hoʻohana piha i ka mea hana, a hoʻopuehu i nā liona Li a hoʻopau i ka hana electrode.No laila, he ʻano hoʻohui maikaʻi kēia mau mea ʻekolu.ʻO ka hui ʻana i ke kalapona ʻeleʻele a i ʻole carbon nanotubes me ka graphene e kūkulu i kahi ʻoihana conductive piha loa hiki ke hoʻomaikaʻi hou i ka hana holoʻokoʻa o ka electrode.

Eia kekahi, mai ka hiʻohiʻona o ka graphene, ʻokoʻa ka hana o ka graphene mai nā ʻano hoʻomākaukau like ʻole, ma ke ʻano o ka hoʻemi ʻana, ka nui o ka lau a me ka ratio o ka ʻeleʻele kalapona, ka dispersibility, a me ka mānoanoa o ka electrode e pili ana i nā ʻano. o nā mea hana conductive nui loa.Ma waena o lākou, no ka mea, ʻo ka hana o ka mea hoʻokele conductive ke kūkulu ʻana i kahi pūnaewele conductive no ka lawe ʻana i nā electron, inā ʻaʻole i hoʻopuehu maikaʻi ʻia ka mea hoʻokele ponoʻī, paʻakikī ke kūkulu ʻana i kahi pūnaewele conductive kūpono.Hoʻohālikelike ʻia me ka mea hoʻokele kalapona ʻeleʻele maʻamau, loaʻa i ka graphene kahi ʻāpana kikoʻī kiʻekiʻe kiʻekiʻe, a ʻo ka hopena conjugate π-π e maʻalahi ka hoʻohui ʻana i nā noi kūpono.No laila, pehea e hana ai i ka graphene i kahi ʻōnaehana hoʻopuehu maikaʻi a hoʻohana piha i kāna hana maikaʻi loa he pilikia koʻikoʻi e pono e hoʻoponopono ʻia i ka hoʻohana ākea o ka graphene.