Ka holomua o ka haʻahaʻa wela mana lithium hoʻomohala ʻenehana

He kiʻekiʻe nā ʻenehana a me nā pono hana o nā pākahi lithium-ion i hoʻomākaukau ʻia ma nā haʻahaʻa haʻahaʻa. ʻO ka hoʻohaʻahaʻa koʻikoʻi o ka pākaukau lithium-ion i ka haʻahaʻa haʻahaʻa haʻahaʻa ma muli o ka piʻi ʻana o ke kūpaʻa kūloko, e alakaʻi ana i ka paʻakikī o ka diffusion electrolyte a me ka pōkole o ke ola pōʻai cell. No laila, ua holomua ka noiʻi e pili ana i ka ʻenehana uila uila haʻahaʻa i nā makahiki i hala. ʻO nā pākuʻi lithium-ion maʻamau maʻamau he maikaʻi ʻole ka hana wela kiʻekiʻe, a ʻaʻole paʻa kā lākou hana ma lalo o nā kūlana haʻahaʻa haʻahaʻa; nui ka nui o ka haʻahaʻa wela keena, haʻahaʻa haʻahaʻa, a me ka haʻahaʻa haʻahaʻa pōʻaiapuni hana; ʻoi aku ka ikaika o ka polarization ma ka wela haʻahaʻa ma mua o ka wela kiʻekiʻe; hoʻonui i ka viscosity o ka electrolyte i ka haʻahaʻa haʻahaʻa e alakaʻi i ka hōʻemi ʻana i ka helu o ka hoʻoiho / hoʻokuʻu ʻana; hōʻemi i ka palekana o nā pūnaewele a hoʻemi i ke ola pākaukau ma ka wela haʻahaʻa; a hoemi i ka hana ma ka hoohana ana ma ka wela haahaa. Eia kekahi, ʻo ke ola pōkole pōkole o ka pākaukau i ka haʻahaʻa haʻahaʻa a me nā pilikia palekana o nā keʻena haʻahaʻa haʻahaʻa i kau mua i nā koi hou no ka palekana o nā pihi mana. No laila,ʻo ka hoʻomohalaʻana i nā mea paʻa paʻa, palekana, hilinaʻi a me ka lōʻihi o ke olaʻana i nā mea uila mana no nā kaiapuni haʻahaʻa haʻahaʻa ke kumu o ka noiʻiʻana i nā pali lithium-ion haʻahaʻa. I kēia manawa, aia kekahi mau mea haʻahaʻa haʻahaʻa lithium-ion: (1) lithium metala anode mea: hoʻohana nui ʻia ka metala lithium i nā kaʻa uila ma muli o kona kūpaʻa kemika kiʻekiʻe, kiʻekiʻe ka conductivity uila a me ka haʻahaʻa haʻahaʻa haʻahaʻa a me ka hana hoʻokuʻu; (2) hoʻohana nui ʻia nā mea anode kalapona i nā kaʻa uila ma muli o ko lākou kūpaʻa wela maikaʻi, ka haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa, haʻahaʻa haʻahaʻa uila a me ka haʻahaʻa haʻahaʻa haʻahaʻa ke ola pōʻai ma nā haʻahaʻa haʻahaʻa; (3) Hoʻohana nui ʻia nā mea anode kalapona i nā kaʻa uila ma muli o ko lākou kūpaʻa wela maikaʻi, ka haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa, haʻahaʻa conductivity uila a me ke ola pōʻai haʻahaʻa haʻahaʻa. ma; (3) He hana maikaʻi nā electrolytes organik ma ka wela haʻahaʻa; (4) polymer electrolytes: ʻano pōkole nā ​​kaulahao molekele polymer a loaʻa ka pilina kiʻekiʻe; (5) nā mea waiwai ʻole: ʻo nā polymers inorganic he mau palena hana maikaʻi (conductivity) a me ka hoʻohālikelike maikaʻi ma waena o ka hana electrolyte; (6) liʻiliʻi nā oxides metala; (7) nā mea ʻole: polymers inorganic, etc.

ʻO ke ola pōʻaiapuni o nā pā lithium e hilinaʻi nui ʻia i ke kaʻina hoʻokuʻu, ʻoiai ʻo ka haʻahaʻa haʻahaʻa kahi kumu i ʻoi aku ka hopena i ke ola o nā huahana lithium. ʻO ka maʻamau, ma lalo o ka haʻahaʻa haʻahaʻa haʻahaʻa, e hoʻololi ʻia ka ʻili o ka pākaukau e hoʻopōʻino i ka hale o ka ʻili, me ka hiki a me ka hōʻemi ʻana i ka hiki ke kelepona. Ma lalo o nā kūlana wela kiʻekiʻe, hoʻokumu ʻia ke kinoea i loko o ke kelepona, kahi e hoʻolalelale ai i ka diffusion thermal; ma lalo o ka haʻahaʻa haʻahaʻa, ʻaʻole hiki ke hoʻokuʻu ʻia ke kinoea i ka manawa, e hoʻolalelale i ka hoʻololi ʻana o ka pae o ka wai pākaukau; ʻo ka haʻahaʻa o ka mahana, ʻoi aku ka nui o ke kinoea i hana ʻia a ʻoi aku ka lohi o ka hoʻololi ʻana o ka pae o ka wai pākaukau. No laila, ʻoi aku ka paʻakikī o ka hoʻololi ʻana o nā mea i loko o ka pākaukau ma lalo o ka haʻahaʻa haʻahaʻa, a ʻoi aku ka maʻalahi o ka hana ʻana i nā kinoea a me nā paʻa i loko o ka mea pākaukau; i ka manawa like, e alakaʻi ka haʻahaʻa haʻahaʻa i ke ʻano o nā hopena hoʻopōʻino e like me ka haʻihaʻi ʻana o nā mea hoʻopaʻa kemika hiki ʻole i ke kikowaena ma waena o ka mea cathode a me ka electrolyte; e alakaʻi hoʻi ia i ka emi ʻana o ka electrolyte self-assembly a me ke ola pōʻai; e hoʻemi ʻia ka hiki ke hoʻoili i ka lithium ion charge i ka electrolyte; ʻO ke kaʻina hana hoʻopiʻi a me ka hoʻokuʻu ʻana e hoʻoulu i kahi ʻano o ka hopena o ke kaulahao e like me ka polarization phenomenon i ka wā o ka hoʻoili ʻana o ka lithium ion charge, ka pōʻino o ka pākaukau a me ka hoʻokuʻu ʻana i ke kaumaha o loko, e pili ana i ke ola pōʻaiapuni a me ka ikaika o ka ikehu o nā pākahi lithium ion a me nā hana ʻē aʻe. ʻO ka haʻahaʻa o ka mahana i ka haʻahaʻa haʻahaʻa, ʻoi aku ka ikaika a me ka paʻakikī o nā ʻano hoʻopōʻino like ʻole e like me ka redox reaction ma luna o ka pā pākaukau, thermal diffusion, ka hoʻololi ʻana o ka pae i loko o ke kelepona a hiki i ka luku piha ʻana e hoʻoulu i kahi ʻano o nā kaulahao e like me ka electrolyte ʻO ka hui pū ʻana iho, ʻoi aku ka lohi o ka wikiwiki o ka pane ʻana, ʻoi aku ka koʻikoʻi o ka pohō o ka pākaukau, a ʻoi aku ka maikaʻi o ka hiki ke neʻe i ka lithium ion charge migration ma ke kiʻekiʻe wela.