Kiʻekiʻe-hana pākaukau:ʻO ka pākaukau Lithium-ionʻEhā mau ʻāpana nui: nā mea electrode maikaʻi, nā mea electrode maikaʻi ʻole, ka mea hoʻokaʻawale, a me ka electrolyte.I waena o lākou, ʻo ka mea hoʻokaʻawale kahi mea nui i lokonā pākahi lithium-ion.ʻOiai ʻaʻole ia e komo pololei i ka hopena electrochemical, he hana koʻikoʻi ia i ka hana pākaukau.ʻAʻole ia e pili wale i ka hiki, ka hana pōʻai a me ka hoʻopiʻi a me ka hoʻokuʻu ʻana i ka nui o kēia manawa o ka pākaukau, akā pili pū kekahi i ka palekana a me ke ola o kapākaukau.Mālama ka mea hoʻokaʻawale i ka hana pākaukau kūpono a me ka hana ma o ka hāʻawi ʻana i nā kaila conduction ion, ka pale ʻana i ka hui ʻana o ka electrolyte, a me ka hāʻawi ʻana i ke kākoʻo mechanical.ʻOi aku ka maikaʻi o ka ion conductivity hiki ke hoʻomaikaʻi i ka mana o ka pākaukau.Eia kekahi, ʻo ka hana hoʻokaʻawale electrolyte o ka mea hoʻokaʻawale e hoʻoholo i ka palekana o ka pā.ʻO ka hoʻokaʻawale maikaʻi ʻana o ka electrolyte ma waena o nā electrodes maikaʻi a maikaʻi ʻole hiki ke pale i nā pilikia palekana e like me nā pōkole pōkole a me ka wela.Pono ka mea hoʻokaʻawale e loaʻa i ka ikaika mechanical maikaʻi a me ka maʻalahi e hoʻokō i ka hoʻonui a me ka ʻoki ʻana o ka pākaukau a pale i ka pōʻino mechanical a me nā kaʻa pōkole kūloko.Eia kekahi, pono ka mea hoʻokaʻawale e mālama i ke kūpaʻa a me ka hana i ka wā o kaola pākaukaue hōʻoia i ka lōʻihi o ka hana pono o ka pākaukau. ʻOiai ʻaʻole i komo pololei ka mea hoʻokaʻawale i ka hopena electrochemical o ka pākaukau, he hopena koʻikoʻi ia i nā waiwai koʻikoʻi e like me ka nui o ka pākaukau, ka hana pōʻai, ka uku a me ka hoʻokuʻu ʻana i ka wikiwiki, palekana a me ke ola. .No laila, he mea koʻikoʻi ka hoʻomohala ʻana a me ka hoʻomohala ʻana o nā mea hoʻokaʻawale i ka hoʻomohala ʻana a me ka hoʻohana ʻana i nā pā lithium-ion.
1. ʻO ka hana nui o nā mea hoʻokaʻawale i lokonā pākahi lithium-ion
He kuleana koʻikoʻi nā mea hoʻokaʻawale i nā pā lithium-ion.ʻAʻole ia he pale kino wale nō e hoʻokaʻawale i nā electrodes maikaʻi a maikaʻi ʻole, akā aia pū kekahi mau hana koʻikoʻi:1.Ion transmission: Pono ka mea hoʻokaʻawale i ka hana hoʻoili ion maikaʻi a hiki iā ia ke ʻae i nā ion lithium e hoʻouna manuahi ma waena o nā electrodes maikaʻi a maikaʻi ʻole.I ka manawa like, pono ka mea hoʻokaʻawale e pale pono i ka lawe ʻana i nā electrons e pale i nā pōkole pōkole a me ka hoʻokuʻu ʻana iā ia iho.2.Ka mālama ʻana i ka electrolyte: Pono ka mea hoʻokaʻawale i ke kūpaʻa maikaʻi i ke komo ʻana o ka solvent, hiki ke mālama pono i ka hāʻawi like ʻana o ka electrolyte ma waena o nā electrodes maikaʻi a maikaʻi ʻole a pale i ka nalowale o ka electrolyte a me ka hoʻololi ʻana.3.Ka ikaika mīkini: Pono ka mea hoʻokaʻawale e loaʻa i ka ikaika mechanical e pale aku i ke koʻikoʻi mechanical e like me ke kaomi, ka hoʻonui a me ka haʻalulu o ka pila e hōʻoia i ka paʻa a me ka palekana o ka pila.4.ʻO ke kūpaʻa wela: Pono ka mea hoʻokaʻawale i ke kūpaʻa wela maikaʻi no ka mālama ʻana i ke kūpaʻa ʻana o ke kūkulu ʻana i nā wahi wela kiʻekiʻe a pale i ka holo ʻana o ka wela a me ka decomposition thermal.5.ʻO ke ahi ahi: Pono ka mea hoʻokaʻawale e loaʻa i ka lapalapa ahi maikaʻi, hiki ke pale pono i ka pākaukau mai ke ahi a i ʻole ka pahū ʻana ma lalo o nā kūlana maʻamau. (PE), a me nā mea ʻē aʻe, ʻo nā ʻāpana e like me ka mānoanoa, porosity, a me ka nui o ka pore o ka mea hoʻokaʻawale e pili pū i ka hana o ka pā.No laila, i ka hoʻomākaukau ʻana i nā pā lithium-ion, he mea nui e koho i nā mea hoʻokaʻawale kūpono a hoʻonui i ka hoʻolālā hoʻolālā o ka mea hoʻokaʻawale.
2. ʻO ka hana nui o nā mea hoʻokaʻawale inā pākahi lithium:
I loko o nā pākahi lithium-ion, he kuleana ko ka mea hoʻokaʻawale a loaʻa iā ia nā hana nui penei:1.Ion conduction: Hiki i ka mea hoʻokaʻawale ke lawe i nā ion lithium ma waena o nā electrodes maikaʻi a maikaʻi ʻole.ʻO ka mea hoʻokaʻawale ka mea maʻamau i ka conductivity ionic kiʻekiʻe, hiki ke hoʻoikaika i ka wikiwiki a me ke kahe ʻana o nā ion lithium i loko o ka pākaukau a hoʻokō pono i ka hoʻopiʻi ʻana a me ka hoʻokuʻu ʻana o ka pā.2.Ka palekana o ka pākaukau: Hiki i ka mea hoʻokaʻawale ke pale i ka pilina pololei a me ke kaapuni pōkole ma waena o nā electrodes maikaʻi a maikaʻi ʻole, e pale i ka overcurrent a me ka wela i loko o ka pākaukau, a hāʻawi i ka palekana pākaukau.3.Hoʻokaʻawale Electrolyte: Mālama ka mea hoʻokaʻawale i nā kinoea, nā haumia a me nā mea ʻē aʻe i loko o ka electrolyte i loko o ka pākaukau mai ka hui ʻana ma waena o nā electrodes maikaʻi a maikaʻi ʻole, e pale aku i nā hopena kemika pono ʻole a me nā poho, a me ka mālama ʻana i ka paʻa a me ka pōʻai o ke ola o ka pākaukau.4.Kākoʻo mīkini: Hoʻokani ka mea hoʻokaʻawale i ke kuleana o ke kākoʻo mechanical i loko o ka pākaukau.Hiki iā ia ke hoʻoponopono i nā kūlana o nā electrodes maikaʻi a maikaʻi ʻole a me nā mea ʻē aʻe.Loaʻa iā ia kekahiʻano o ka maʻalahi a me ka hoʻonuiʻana i ka hoʻololiʻana i ka hoʻonui a me ka hoʻohaʻahaʻaʻana o ka pila. He mea koʻikoʻi nā mea hoʻokaʻawale i ka hoʻokele ion, ka palekana pālolo, ka hoʻokaʻawale electrolyte a me ke kākoʻo mechanical i nā pā lithium-ion.Hiki iā ia ke hōʻoia i ka hana paʻa a me ka hana o ka pākaukau.
3. Nā ʻano o nā mea hoʻokaʻawale pākahi lithium-ion
Nui nā ʻano o nā mea hoʻokaʻawale pākaukau lithium-ion, ʻo nā mea maʻamau ka mea penei:1.Hoʻokaʻawale Polypropylene (PP): ʻO kēia ka mea hoʻohana maʻamau i hoʻohana ʻia i kēia manawa.ʻO nā mea hoʻokaʻawale polypropylene he kūpaʻa kemika maikaʻi loa, kūpaʻa maikaʻi ka wela a me ka ikaika mechanical, ʻoiai loaʻa ka koho ion haʻahaʻa a me nā waiwai conductive.2.ʻO ka mea hoʻokaʻawale Polyimide (PI): Loaʻa i ka mea hoʻokaʻawale Polyimide ke kūpaʻa wela kiʻekiʻe a me ke kūpaʻa kemika, a hiki ke mālama i ka hana paʻa i nā wahi wela kiʻekiʻe.Ma muli o kona kūpaʻa kiʻekiʻe, hoʻohana pinepine ʻia nā mea hoʻokaʻawale polyimide i nā pila me ka nui o ka ikehu kiʻekiʻe a me nā koi mana kiʻekiʻe.3.Hoʻokaʻawale Polyethylene (PE): He kiʻekiʻe ka ion conductivity a me ka ikaika mechanical maikaʻi ka polyethylene separator, a hoʻohana pinepine ʻia i nā ʻano kikoʻī o nā pā lithium-ion, e like me nā supercapacitors a me nā pā lithium-sulfur.4.ʻO ka diaphragm seramika hoʻohuihui: Hana ʻia ka diaphragm seramika i hana ʻia me ka substrate polymer fiber i hoʻoikaika ʻia.Loaʻa iā ia ka ikaika mechanical a me ka pale wela a hiki ke kū i ka wela kiʻekiʻe a me ka pōʻino kino.5.Nanopore separator: Nanopore separator hoʻohana i ka maikaʻi ion conductivity o ka nanopore hale, oiai e halawai me ka maikai mechanical ikaika a me ka kemika paʻa.Manaʻo ʻia e hoʻohana ʻia i loko o nā pā lithium-ion me ka mana kiʻekiʻe a me nā koi ola lōʻihi. Hiki ke koho ʻia kēia mau mea hoʻokaʻawale o nā mea a me nā hale like ʻole e like me nā hoʻolālā pākaukau like ʻole a me nā koi hana.
4. Nā koi hana o nā mea hoʻokaʻawale pākaukau lithium-ion
He mea koʻikoʻi nā mea hoʻokaʻawale pākaukau Lithium-ion me kēia mau koi hana:1.Kiʻekiʻe electrolyte conductivity: Pono ka mea hoʻokaʻawale i ka electrolyte conductivity kiʻekiʻe e hoʻoikaika i ka ion conduction ma waena o nā electrodes maikaʻi a maikaʻi ʻole no ka hoʻokō pono ʻana a me ka hoʻokuʻu ʻana o ka pākaukau.2.ʻO ka koho koho ion maikaʻi loa: Pono ka mea hoʻokaʻawale e loaʻa ka koho ion maikaʻi, e ʻae wale i ka lawe ʻana i nā ion lithium a pale i ke komo ʻana a i ʻole ka hopena o nā mea ʻē aʻe i loko o ka pākaukau.3.ʻO ke kūpaʻa wela maikaʻi: Pono ka mea hoʻokaʻawale e loaʻa i ke kūpaʻa wela maikaʻi a hiki ke mālama i ka paʻa o ke kūkulu ʻana ma lalo o nā kūlana koʻikoʻi e like me ke kiʻekiʻe kiʻekiʻe a i ʻole ka overcharging e pale aku i ka holo ʻana o ka wela a i ʻole electrolyte evaporation a me nā pilikia ʻē aʻe.4.ʻO ka ikaika a me ka maʻalahi o ka mīkini maikaʻi: Pono ka mea hoʻokaʻawale e loaʻa i ka ikaika mechanical kiʻekiʻe a me ka maʻalahi e pale aku i nā pilikia e like me nā kaʻa pōkole lihi a i ʻole ka pōʻino o loko, a e hoʻololi i ka hoʻonui a me ka ʻoki ʻana o ka pākaukau.5.Kūleʻa kemika maikaʻi: Pono ka mea hoʻokaʻawale e loaʻa i ka pale kemika maikaʻi a hiki ke pale aku i ka corrosion a i ʻole ka contamination o ka mea hoʻokaʻawale e nā electrolytes, nā kinoea a me nā haumia i loko o ka pākaukau.6.ʻO ka haʻahaʻa haʻahaʻa a me ka haʻahaʻa haʻahaʻa: Pono ka mea hoʻokaʻawale i ka haʻahaʻa haʻahaʻa a me ka haʻahaʻa haʻahaʻa e hōʻemi i ke kūʻē ʻana a me ka nalowale electrolyte i loko o ka pākaukau. ka ikaika a me ka maʻalahi, ke kūpaʻa kemika maikaʻi, ka haʻahaʻa haʻahaʻa a me ka haʻahaʻa haʻahaʻa.ʻO kēia mau koi hana e hōʻoia i ka palekana o ka pākaukau, ke ola pōʻaiapuni a me ka nui o ka ikehu.
Ka manawa hoʻouna: Sep-15-2023