Supercapacitor: he ʻano hou o ka mea mālama ikehu electrochemical, i hoʻomohala ʻia mai ka makahiki 1970 a hiki i ka makahiki 1980, i haku ʻia me nā electrodes, electrolytes, diaphragms, nā mea hōʻiliʻili o kēia manawa, a me nā mea ʻē aʻe, me ka wikiwiki o ka mālama ʻana i ka ikehu a me ka mālama nui o ka ikehu.ʻO ka capacitance o kahi supercapacitor e pili ana i ka hoʻokaʻawale electrode a me ka ʻāpana electrode.ʻO ka hoʻohaʻahaʻa ʻana i ke kikowaena electrode o ka supercapacitor a me ka hoʻonui ʻana i ka ʻāpana electrode e hoʻonui i ka capacitance o ka supercapacitor.Hoʻokumu ʻia kona mālama ʻana i ka ikehu ma ke kumu o ka mālama electrostatic.ʻO ke kalapona electrode he electrochemically a me ka structurally stable, a hiki ke hoʻopiʻi pinepine ʻia no nā haneli haneli mau manawa, no laila hiki ke hoʻohana ʻia nā supercapacitors ma mua o nā pā.
Eia naʻe, hiki i nā supercapacitors ke loaʻa nā pilikia i ka wā o ka hana, e like me ka ʻelemakule.Hoʻololi ka ʻelemakule o nā supercapacitors i nā electrodes, electrolytes a me nā ʻāpana supercapacitor ʻē aʻe mai ke kino a me nā waiwai kemika, e hopena i ka ʻelemakule o nā supercapacitors, e hōʻemi ana i ka hana, a ʻaʻole hiki ke hoʻololi ʻia kēia degradation.
ʻO ka ʻelemakule o nā supercapacitors:
1. Puhi Poino
Ke hana nei nā supercapacitors i kahi wahi humid no ka manawa lōʻihi, hiki ke maʻalahi i ka hoʻohaʻahaʻa hana a hoʻopōkole loa i ka manawa hana.Hoʻokomo ka makū i ka lewa i loko o ka capacitor a hōʻiliʻili, a kūkulu ʻia ke kaomi kūloko o ka supercapacitor.I nā hihia koʻikoʻi, ua luku ʻia ke ʻano o ka casing supercapacitor.
2. Electrode Deterioration
ʻO ke kumu nui o ka hoʻohaʻahaʻa ʻana i ka hana o nā supercapacitors ʻo ka deterioration o ka porous activated carbon electrodes.Ma kekahi ʻaoʻao, ʻo ka hōʻino ʻana o nā electrodes supercapacitor i hoʻopau ʻia ka ʻōnaehana kalapona i hoʻōla ʻia ma muli o ka hoʻoheheʻe ʻana o ka honua.Ma ka ʻaoʻao ʻē aʻe, ʻo ke kaʻina hana kahiko ke kumu o ka waiho ʻana o nā haumia ma ka ʻaoʻao electrode, ka hopena o ka hapa nui o nā pores.
3. Electrolyte Decomposition
ʻO ka decomposition hiki ʻole ke hoʻololi ʻia o ka electrolyte, ka mea e pōkole loa i ka manawa hana o nā supercapacitors, ʻo ia kekahi kumu o ka ʻelemakule.ʻO ka hoʻohaʻahaʻa-hoʻemi ʻana o ka electrolyte e hana i nā kinoea e like me CO2 a i ʻole H2 e alakaʻi i ka piʻi ʻana o ke kaomi kūloko o ka supercapacitor, a ʻo nā haumia i hana ʻia e kona decomposition e hoʻemi i ka hana o ka supercapacitor, hoʻonui i ka impedance, a hoʻoulu i ka ʻili o ka ʻili. e pōʻino ka electrode kalapona i hana ʻia.
4. Hoʻokuʻu iā ia iho
ʻO ka leakage i hana ʻia e ka hoʻokuʻu ʻana iā ia iho o ka supercapacitor e hoʻemi nui i ka manawa hana a me ka hana o ka supercapacitor.Hoʻokumu ʻia kēia manawa e nā pūʻulu hana oxidized, a ʻo nā pūʻulu hana ponoʻī e hana ʻia e nā hopena electrochemical ma ka ʻaoʻao electrode, kahi e wikiwiki ai ka ʻelemakule o ka supercapacitor.
ʻO nā mea i luna nei he mau hōʻike o ka ʻelemakule o nā supercapacitors.Inā kū ka ʻelemakule o ka capacitor i ka wā e hoʻohana ai, pono e hoʻololi i ka capacitor i ka manawa.
ʻO mākou ʻo JYH HSU(JEC) Electronics Ltd (a i ʻole Dongguan Zhixu Electronic Co., Ltd.), he mea hana ʻāpana uila.Welina mai e kipa i kā mākou pūnaewele mana e aʻo hou e pili ana i kā mākou hui a i ʻole e nīnau iā mākou no ka hui ʻoihana.
Ka manawa hoʻouna: ʻAukake-19-2022