ʻO ka hoʻohana ʻana i ka mīkini wiliwili kiʻi kiʻi kiʻi kiʻi kiʻi i loko o ka ʻoihana mālama ʻenehana e hilinaʻi ʻia ma kāna "ʻenehana wili metala lahilahi kiʻekiʻe" no ka hana ʻana i nā mea pili conductive koʻikoʻi i loko o nā pihi mālama ikehu a me nā ʻōnaehana mālama ikehu. Pono kēia mau ʻāpana i ka pololei kiʻekiʻe, ka maikaʻi o ka ʻili, ka conductivity, a me ka hana mechanical o ka ʻili metala, i kūpono loa me ke kiʻi photovoltaic (e like me ka mānoanoa tolerance ± 0.005mm, manuahi ʻole o ka ʻili, haʻahaʻa kū i loko, etc.). ʻO kāna mau hiʻohiʻona noiʻi kikoʻī e kālele ana i nā loulou kumu ʻekolu o ka "pili pūnaewele", "kohi o kēia manawa", a me ka "conduction system" i nā mea mālama ikehu. He wehewehe kikoʻī kēia:
1、 ʻO ka hiʻohiʻona noiʻi kumu: Nā hoʻopili hoʻokele i loko o nā ʻeke hoʻopaʻa ikehu
ʻO nā ʻona hoʻopaʻa ikehu (e like me ka lithium iron phosphate batteries, ternary lithium batteries, all vanadium flow batteries, etc.) ke kumu o nā mea mālama ikehu, a ʻo ko lākou mau ʻāpana i loko e koi i "nā ʻāpana conductive pololei" e hoʻokō ai i ka pilina o nā pūnāwai a me ka hōʻiliʻili o kēia manawa, i mea e hōʻoia ai i ka pono o ka hoʻouka ʻana a me ka hoʻokuʻu ʻana, ke kūpaʻa kūpaʻa o loko, a me ka hana palekana. ʻO ke kaula keleawe (a i ʻole nickel/tin plated copper strip) i hana ʻia e ka photovoltaic strip rolling mill ʻo ia ke kumu kumu no ia mau mea hoʻohui conductive, a ua hoʻohana pono ʻia i nā hiʻohiʻona lalo:
1. "He kaula pili pepeiao" no nā keena hoʻopaʻa ikehu square/cylindrical
Nā koi noi: Pono e hoʻopili ʻia nā pepeiao pole (nā hopena maikaʻi a maikaʻi ʻole) o ka square (e like me ka lithium iron phosphate nui nā cell) a me ka cylindrical energy storage cell (e like me 18650/21700 type) pono e hoʻopili ʻia ma o ka conductive tape e hoʻokō ai i ka hui like like ʻana o nā cell cell series (e like me ka hoʻopili ʻana i nā cell 10 i ka moʻo e hana i kahi module 3.2V × 10). Pono kēia ʻano kaula hoʻohui e hoʻokō i kēia mau koi:
ʻO ka mānoanoa 0.1-0.3mm (ʻoi aku ka mānoanoa e hoʻonui i ka nui o ka pākaukau, ʻoi aku ka lahilahi i ka wela a me ka heheʻe);
ʻAʻohe ʻokiʻoki a i ʻole nā ʻōpala ma ka ʻili (e pale i ka hoʻonui ʻana i ke kūpaʻa pili a me ka hoʻoulu ʻana i ka wela kūloko);
ʻO ka hana kulou maikaʻi (kūpono no ka hoʻonohonoho paʻa ʻana o nā modules pākaukau).
ʻO ka hana wili wili: Ma o ka "multi pass progressive rolling" (e like me 3-5 pass), ua ʻōwili ʻia ke kaula keleawe kumu (ka mānoanoa 0.5-1.0mm) i loko o kahi kaula keleawe lahilahi e kū ana i ka nui, ʻoiai e hōʻoiaʻiʻo ana i ka palahalaha o ka ʻōpala (ka hoʻomanawanui ≤± 0.003mm) ma o ka "mana hoʻopaʻa ʻana"; Inā koi ʻia ka pale ʻana i ka oxidation, hiki ke hoʻohana ʻia nā kaʻina hana nickel/tin plating. ʻO kaʻeleʻele o kaʻili (Ra ≤ 0.2 μm) o ke kaula keleawe i hanaʻia e ka wili wili hiki ke hōʻoia i ka pili o ka uhi.
2. "ʻĀpana conductive hōʻiliʻili o kēia manawa" o ka pila kahe
Pono no ka noi: Ma ka hoʻopaʻa ʻana o nā pihi vanadium flow (ka ʻenehana mālama mālama ikehu no ka wā lōʻihi), pono kahi "ʻili conductive hōʻiliʻili i kēia manawa" e hōʻiliʻili i ke ʻano o ka pā hoʻokahi i ke kaapuni waho. ʻO kāna mea he keleawe maʻemaʻe (high conductivity) a i ʻole copper alloy (corrosion-resistant). Pono:
ʻO ka laulā kūpono no ka nui o ka waihona (maʻa mau 50-200mm), 0.2-0.5mm ka mānoanoa (conductivity kaulike a me ka māmā);
Pono ka ʻaoʻao o ke kāʻei me ka ʻole o nā burr (e pale aku i ke koʻi ʻana i ka membrane hoʻopaʻa a me ka hoʻoheheʻe electrolyte);
Ke kū'ē i ka vanadium ion corrosion (kekahi mau hiʻohiʻona e pono ai ka mālama ʻana i ka passivation ma hope o ka ʻōwili ʻana).
ʻO ka hana o ka wili wili ʻo ia ka hana ʻana i nā ʻāpana keleawe ākea a pālahalaha ma o nā ʻōwili wili i hana ʻia (i hoʻolālā ʻia e like me ka laulā o ka waihona), ʻoiai e hoʻopau ana i nā burrs i hana ʻia i ka wā o ka ʻōwili ʻana ma o kahi mea wili lihi; Hiki i ka "mana wela" o ka wili wili (ka wela wela ≤ 60 ℃ i ka wā o ka ʻōwili ʻana) hiki ke pale i ka ulu ʻana o nā ʻōpala keleawe, e hōʻoia i kona ikaika mechanical (ikaika tensile ≥ 200MPa), a hoʻololi i ka hana lōʻihi o ka wai kahe wai (ke ola hoʻolālā ʻoi aku ma mua o 20 mau makahiki).
2 、ʻAno hoʻohana i hoʻonui ʻia: Nā ʻāpana conductive waho o nā ʻōnaehana mālama ikehu
Ma waho aʻe o nā pilina kūloko i loko o ka pākaukau, hiki ke hoʻohana ʻia nā ʻāpana keleawe pololei i hana ʻia e nā wili photovoltaic strip no "nā pilina conductive waho" i nā ʻōnaehana mālama ikehu e like me nā pahu mālama ikehu a me nā keʻena mālama ikehu hale, e hoʻonā i ka pilikia hoʻololi o nā ʻāpana conductive kuʻuna e like me nā kaula a me nā kaola keleawe i nā wahi paʻa.
1. "Ka mea hoʻoheheʻe conductive maʻalahi" no ka module mālama ikehu a me ka mea hoʻohuli
Pono e noi: I loko o nā pahu mālama ikehu, ʻo ka wahi pili ma waena o nā modula pākaukau (ʻo ka hapa nui i hoʻopaʻa ʻia) a me nā mea hoʻohuli he haiki, a he paʻakikī ke hoʻokomo ʻana i nā kaola keleawe paʻa maʻamau. Pono ʻia kahi "mea hoʻololi conductive" (hiki ke hoʻopaʻa ʻia, hiki ke hoʻopaʻa ʻia) no ka hoʻokō ʻana i ka pilina. ʻO kāna mau koi:
Mānoanoa 0.1-0.2mm, laula 10-30mm (hoʻopilikino ʻia e like me ka nui o kēia manawa, e like me 200A i kēia manawa kūpono me 20mm ākea copper strip);
Hiki ke hoʻopaʻa ʻia i nā ʻāpana he nui (e like me 3-5 mau ʻāpana keleawe i hoʻopaʻa ʻia e hoʻonui i ka hiki ke lawe i kēia manawa);
He paʻa paʻa ka uhi ʻana o ka ʻili (pono ia e uhi ʻia me ka papa insulation ma hope o ka ʻōwili ʻia ʻana o ke keleawe i mea e pale ai i ke kaapuni pōkole).
Hana o ka wili wili: ʻO ka ʻāpana keleawe lahilahi i hana ʻia he palahalaha kiʻekiʻe (ʻaʻohe ʻano nalu), hiki ke hōʻoia i ka pili paʻa i ka wā e hoʻopaʻa ʻia ai nā papa he nui (ʻaʻohe āpau, e hōʻemi ana i ke kūpaʻa pili); ʻO ka "kaʻina hana hoʻomau" o ka wili wili hiki ke hoʻokō i ka hana ʻana i nā coils lōʻihi o ke kaula keleawe (hoʻokahi coil lōʻihi o 500-1000m), e hoʻokō i nā pono o ka hui pū ʻana o nā ʻōnaehana mālama ikehu a hoʻololi i ke ʻano hana kuʻuna "stamping and cutting" (hoʻonui i ka pono ma mua o 30%).
2. "Micro conductive connectors" no nā keʻena mālama ikehu hale
Nā koi noi: He liʻiliʻi ka leo o ka hale waihona ikehu hale (hiki i ka 5-20kWh), a ʻo ka pilina ma waena o nā pūnāwai o loko, BMS (pūnaewele hoʻokele pila), a me nā pilina e pono ai "nā mea hoʻohui micro conductive". ʻO ka nui he 3-8mm ka laulā a me ka 0.1-0.15mm ka mānoanoa. Pono:
He liʻiliʻi loa ka hoʻomanawanui ʻana (ākea ± 0.02mm, mānoanoa ± 0.002mm) e pale aku i ka hoʻopilikia ʻana i nā mea ʻē aʻe;
ʻO ka uhi ʻana o ka tin (anti-oxidation, kūpono no ke kaʻina hana hoʻoheheʻe haʻahaʻa);
Māmā (e hoʻemi i ke kaumaha holoʻokoʻa o ke keʻena mālama mālama ikehu a hoʻoikaika i ka hoʻokomo ʻana).
'O ka hana o ka wili wili, 'o ia ka hana 'ana i ke kaula keleawe pololei ma o ka "wili wili laula ololi + mana servo ki'eki'e", a laila e hana i nā 'āpana ho'ohui ma o nā ka'ina hana slitting a me ka tin plating; Hiki i ka "rolling accuracy" o ka wili wili ke hōʻoia i ka kūlike o ka nui o ka pā hoʻohui (pass rate ≥ 99.5%), e pale aku i nā hemahema o ka hoʻonohonoho ʻana ma muli o ka nui deviations (e like me ka hoʻopili maikaʻi ʻole a me ka hiki ʻole ke hoʻokomo i nā interface).
3 、Nā pōmaikaʻi o ka noi: No ke aha e koho ai ka ʻoihana mālama ikehu i ka welding photovoltaic a me nā wili wili?
Ke hoʻohālikelike ʻia i nā mea hana hana metala kuʻuna e like me nā mīkini kuʻi a me nā wili wili maʻamau, ʻike nui ʻia nā pono o ka noi ʻana o ka photovoltaic welding strip rolling mill i ka ʻoihana mālama mālama ikehu i ʻekolu mau helu:
Pono pono: Pono ka mānoanoa hoʻomanawanui (± 0.003-0.005mm) a me ka ʻeleʻele o ka ʻili (Ra ≤ 0.2 μm) o ke kaula conductive mālama ikehu e kūlike me ke kiʻekiʻe o ke kiʻi hoʻoheheʻe photovoltaic, me ka ʻole o ka hoʻololi nui ʻana i ka wili wili. ʻO ka hoʻoponopono wale ʻana i nā ʻāpana ʻōwili (e like me ka ʻōwili a me ka wikiwiki) pono e hoʻololi;
ʻO ke kumu kūʻai: ʻO ka "kaʻina hana hoʻomau" o nā wili wili kiʻi kiʻi kiʻi hiki ke hoʻokō i ka hana nui (me ka mana hana o kēlā me kēia lā he 1-2 tons no kēlā me kēia lako). Ke hoʻohālikelike ʻia me ka "intermittent processing" o nā mīkini stamping, ua hoʻemi ʻia ke kumukūʻai huahana e 15% -20%, e hoʻokō ana i ka koi kumu o ka ʻoihana mālama ikehu no ka "hōʻemi ʻana i ke kumukūʻai a me ka hoʻomaikaʻi maikaʻi ʻana";
Hoʻopili waiwai: Hiki iā ia ke ʻōwili i nā mea like ʻole e like me ke keleawe maʻemaʻe, ke keleawe keleawe, ka nickel plated copper, a me nā mea ʻē aʻe, e hoʻokō i nā pono conductivity o nā ʻokoʻa mālama mālama ikehu (e like me ke keleawe maʻemaʻe no ka lithium hao phosphate a me ke keleawe keleawe no nā pā kahe), me ka ʻole o ka pono e hoʻololi i nā lako kumu.