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Nā ʻokoʻa ma waena o Supercapacitors a me Conventional Capacitors

ʻO ka Capacitor kahi mea e mālama ai i ka uku uila.ʻO ke kumu o ka mālama ʻana i ka ikehu o ka capacitor maʻamau a me ka ultra capacitor (EDLC) he like ia, ʻo nā hale kūʻai ʻelua ma ke ʻano o ke kahua electrostatic, akā ʻoi aku ka maikaʻi o ka super capacitor no ka hoʻokuʻu wikiwiki ʻana a me ka mālama ʻana i ka ikehu, ʻoi aku hoʻi no ka hoʻomalu ʻana i ka ikehu pololei a me nā mea hoʻouka koke. .

 

E kūkākūkā kākou i nā ʻokoʻa nui ma waena o nā capacitors maʻamau a me nā capacitors super ma lalo nei.

https://www.cre-elec.com/wholesale-ultracapacitor-product/

Nā mea hoʻohālikelike

Kahiko maʻamau

Supercapacitor

Nānā nui

ʻO ka capacitor maʻamau kahi dielectric mālama mālama paʻa, hiki ke loaʻa ka uku mau a hoʻohana nui ʻia.He mea ia e pono ai ka uila uila ma ke kahua o ka mana uila. ʻO Supercapacitor, i ʻike ʻia he capacitor electrochemical, capacitor papa pālua, capacitor gula, Faraday capacitor, he mea electrochemical i hoʻomohala ʻia mai nā 1970s a me 1980s e mālama i ka ikehu ma o ka polarizing i ka electrolyte.

Kūkulu

ʻO ka capacitor maʻamau he ʻelua mea hoʻokele metala (electrodes) i pili like i ka like akā ʻaʻole pili, me kahi dielectric insulating ma waena. ʻO kahi supercapacitor he electrode, he electrolyte (loaʻa ka paʻakai electrolyte), a me kahi mea hoʻokaʻawale (pale i ka pilina ma waena o nā electrodes maikaʻi a maikaʻi ʻole).
Hoʻopili ʻia nā electrodes me ka carbon activated, nona nā pores liʻiliʻi ma kona ʻili e hoʻonui i ka ʻili o nā electrodes a mālama i ka uila.

Nā mea dielectric

Hoʻohana ʻia ka alumini oxide, nā kiʻiʻoniʻoni polymer a i ʻole nā ​​ceramics e like me ka dielectrics ma waena o nā electrodes i nā capacitors. ʻAʻohe dielectric kahi supercapacitor.Akā, hoʻohana ʻo ia i kahi papa pālua uila i hana ʻia e kahi paʻa (electrode) a me kahi wai (electrolyte) ma ke kikowaena ma kahi o kahi dielectric.

Kumu o ka hana

ʻO ke kumu hana o ka capacitor e hoʻoneʻe ʻia ka uku e ka ikaika i loko o ke kahua uila, i ka wā e loaʻa ai kahi dielectric ma waena o nā conductors, ke keʻakeʻa nei ia i ka neʻe ʻana o ka hoʻopiʻi a hoʻonui ʻia ka uku ma luna o ka conductor, ka hopena i ka hōʻiliʻili ʻana o ka mālama mālama. . ʻO nā supercapacitors, ma ka ʻaoʻao ʻē aʻe, e hoʻokō i ka mālama ʻana i ka ikehu pālua pālua ma ka polarizing i ka electrolyte a me ka redox pseudo-capacitive charges.
Hiki ke hoʻololi hou ʻia ke kaʻina hana mālama ikehu o nā supercapacitors me ka ʻole o nā hopena kemika, a no laila hiki ke hoʻopiʻi pinepine ʻia a hoʻokuʻu ʻia i nā haneli haneli mau manawa.

Ka manaʻo

ʻOi aku ka liʻiliʻi.
ʻO ka mana capacitance maʻamau mai kahi mau pF a i kekahi mau tausani μF.
Nui ka mana.
Nui ka mana o ka supercapacitor a hiki ke hoʻohana ʻia ma ke ʻano he pākaukau.ʻO ka mana o ka supercapacitor e pili ana i ka mamao ma waena o nā electrodes a me ka ʻili o nā electrodes.No laila, ua uhi ʻia nā electrodes me ka carbon activated e hoʻonui i ka ʻili o ka ʻili e hiki ai ke kiʻekiʻe.

Paʻa ikehu

Haʻahaʻa Kiʻekiʻe

ikehu kiko
(hiki ke hoʻokuʻu i ka ikehu)

<0.1 Wh/kg 1-10 Wh/kg

Mana kikoʻī
(Ka hiki ke hoʻokuʻu i ka ikehu koke)

100,000+ Wh/kg 10,000+ Wh/kg

Ka manawa hoʻouka / hoʻokuʻu

ʻO ka hoʻouka ʻana a me ka hoʻokuʻu ʻana o nā capacitors maʻamau he 103-106 kekona. Hiki i nā Ultracapacitors ke hāʻawi i ka hoʻopiʻi ʻoi aku ka wikiwiki ma mua o nā pākaukau, e like me ka wikiwiki o 10 kekona, a mālama i ka nui o ka uku no kēlā me kēia ʻāpana ma mua o nā capacitors maʻamau.ʻO ia ke kumu e noʻonoʻo ʻia ai ma waena o nā pākaukau a me nā capacitors electrolytic.

ʻO ke ola pōʻaiapili hoʻopaʻa / hoʻokuʻu

Pōkole ʻOi aku ka lōʻihi
(maʻa mau 100,000 +, a hiki i 1 miliona mau pōʻai, ʻoi aku ma mua o 10 mau makahiki o ka noi)

ʻO ka maikaʻi o ka hoʻouka / hoʻokuʻu ʻana

>95% 85%-98%

Hana wela

-20 a 70 ℃ -40 a 70 ℃
(ʻOi aku ka maikaʻi o nā ʻano wela haʻahaʻa haʻahaʻa a ʻoi aku ka laulā o ka wela)

Volta koho

Kiʻekiʻe lalo
(maʻamau 2.5V)

Koina

lalo Kiʻekiʻe

Pōmaikaʻi

Liʻiliʻi ka poho
Kiʻekiʻe hoʻohui pū
Ka mana hoʻoikaika a me ka mana
Ola lōʻihi
Hiki ke kiʻekiʻe loa
Hoʻouka wikiwiki a me ka manawa hoʻokuʻu
Keia haawe kiʻekiʻe
ʻOi aku ka laulā o ka wela hana

Palapala noi

▶ Hoʻopuka i ka mana maʻemaʻe;
▶Power Factor Correction (PFC);
▶ Nā kānana alapine, nā kānana kiʻekiʻe, nā kānana haʻahaʻa;
▶ Hoʻohui a me ka wehe ʻana i ka hōʻailona;
▶ Nā mea hoʻomaka kaʻa;
▶ Buffers (nā mea pale a me nā kānana kani);
▶Oscillators.
▶ ʻO nā kaʻa ikaika hou, nā alahao a me nā noi kaʻa ʻē aʻe;
▶Uninterruptible power supply (UPS), hoʻololi i nā waihona capacitor electrolytic;
▶Ka lako mana no nā kelepona paʻa lima, nā kamepiula lawe lima, a pēlā aku;
▶ ʻO nā screwdrivers uila hiki ke hoʻopiha piha ʻia i nā minuke;
▶ ʻO nā ʻōnaehana kukui ulia pōpilikia a me nā mea uila uila mana kiʻekiʻe;
▶ICs, RAM, CMOS, uaki a me nā microcomputers, etc.

 

 

Inā loaʻa iā ʻoe kahi mea e hoʻohui ai a i ʻole nā ​​ʻike ʻē aʻe, e ʻoluʻolu e kūkākūkā me mākou.

 

 


Ka manawa hoʻouna: Dec-22-2021

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