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He aha ke kumu e puhi ai i ke ahi a pahū nā pākahi lithium?

Hoʻolauna:

ʻO nā pākahi liʻiliʻiua lilo ia i mea nui o ko kakou ola ana i kela la i keia la, e hoohana ana i na mea a pau mai na smartphones a me na laptops i na ka'a uwila a me na pūnaewele hoahu ikehu. Hoʻohana nui ʻia nā pākahi Lithium, akā aia kekahi mau hihia o ke ahi a me nā pahū, ʻoiai ʻoiai kakaʻikahi, ua hāpai i nā hopohopo e pili ana i ko lākou palekana. He mea koʻikoʻi ka hoʻomaopopo ʻana i nā kumu e alakaʻi ai i ia mau hanana i ka hōʻoia ʻana i ka palekana a me ka hilinaʻi o ka hoʻohana ʻana i nā pā lithium.

He pilikia koʻikoʻi ka pahū ʻana o ka pā uila Lithium, a ʻo nā kumu o ko lākou hanana ʻana he paʻakikī a ʻano like ʻole, ʻo ia hoʻi me nā kumu o loko a me waho.

lithium-battery-battery-packs-lithium-iron-phosphate-batteries-lithium ion-battery-pack (5)
lithium-battery-battery-packs-lithium-iron-phosphate-batteries-lithium ion-battery-pack (4)

Nā kumu o loko

Kaapuni pōkole kūloko

ʻAʻole lawa ka mana electrode maikaʻi ʻole: Ke lawa ʻole ka mana electrode maikaʻi ʻole o ka electrode maikaʻi o kahi pākaukau lithium, ʻaʻole hiki ke hoʻokomo ʻia nā atom lithium i ka wā o ka hoʻouka ʻana i loko o ke ʻano interlayer o ka graphite electrode maikaʻi ʻole, a e hoʻoheheʻe ʻia ma ka ʻili o ka electrode maikaʻi ʻole. e hana i na kristal. ʻO ka hōʻiliʻili lōʻihi o kēia mau kristal e hiki ke hana i kahi kaapuni pōkole, hoʻokuʻu koke ke kelepona paʻa, hoʻoulu i ka wela nui, puhi i ka diaphragm, a laila hoʻoulu i kahi pahū.

Ka lawe ʻana i ka wai electrode a me ka hopena electrolyte: Ma hope o ka hoʻopaʻa ʻana o ka electrode i ka wai, hiki ke hana pū me ka electrolyte e hoʻohua ai i nā ʻōpuʻu ea, kahi e hoʻoulu hou ai i nā kaapuni pōkole kūloko.

Nā pilikia electrolyte: ʻO ka maikaʻi a me ka hana ʻana o ka electrolyte ponoʻī, a me ka nui o ka wai i hoʻopaʻa ʻia i ka wā o ka injection i kū ʻole i nā koi o ke kaʻina hana, hiki ke hoʻopilikia i ka palekana o ka pā.

ʻO nā haumia i loko o ke kaʻina hana: ʻO nā haumia, ka lepo, a me nā mea ʻē aʻe i loaʻa i ka wā o ke kaʻina hana pākaukau ke kumu paha i nā kaapuni micro-pōkole.

Huka wela

Ke holo ka wela i loko o kahi pākahiko lithium, e hana ʻia kahi hopena kemika exothermic ma waena o nā mea o loko o ka pā, a e hana ʻia nā kinoea lapalapa e like me ka hydrogen, carbon monoxide, a me methane. ʻO kēia mau hopena e alakaʻi i nā hopena ʻaoʻao hou, e hana ana i kahi pōʻai ʻino, e piʻi nui ai ka mahana a me ke kaomi i loko o ka pākaukau, a hiki i kahi pahū.

Ka lōʻihi o ka hoʻouka ʻana i ke kelepona pākahi

Ma lalo o nā kūlana hoʻopiʻi lōʻihi, hiki i ka overcharging a me ka overcurrent ke alakaʻi i ke kiʻekiʻe kiʻekiʻe a me ke kaomi kiʻekiʻe, ʻo ia hoʻi ke kumu i nā pōʻino palekana.

lithium-battery-li-ion-golf-cart-battery-lifepo4-battery-Lead-Acid-forklift-battery(3)
lithium-battery-battery-packs-lithium-iron-phosphate-batteries-lithium ion-battery-pack (6)

Nā kumu waho

Kaapuni pōkole waho

ʻOiai ʻaʻole hiki i nā kaapuni pōkole o waho ke hoʻoheheʻe i ka wela o ka pākaukau, hiki i nā kaapuni waho lōʻihi ke hoʻonāwaliwali i nā wahi pili i ke kaapuni e ʻā, a ʻo ia hoʻi ke kumu o nā pilikia palekana koʻikoʻi.

Kūwaho kiʻekiʻe wela

Ma lalo o nā wahi wela kiʻekiʻe, ʻoi aku ka wikiwiki o ka mea hoʻoheheʻe electrolyte o nā pā lithium, hoʻonui nā mea electrode, a piʻi ke kūpaʻa kūloko, hiki ke kumu i ka leakage, pōkole pōkole, etc.

ʻO ka haʻalulu a i ʻole ka pōʻino

Ke hoʻokau ʻia nā pā lithium i ka haʻalulu mechanical ikaika a i ʻole ka pōʻino i ka wā o ka lawe ʻana, hoʻohana a mālama ʻia paha, hiki ke hōʻino ʻia ka diaphragm a i ʻole electrolyte o ka pākaukau, e hopena i ka pilina pololei ma waena o ka lithium metala a me ka electrolyte, e hoʻoulu ai i kahi hopena exothermic, a hopena i ka pahū a i ʻole. ahi ahi.

Pilikia hoʻouka

Overcharge: ʻAʻole ka mana o ke kaapuni pale a ʻaʻole i kaohi ʻia ke keʻena ʻike maka, e ʻoi aku ka nui o ka volta e hoʻopiʻi ana ma mua o ka volta helu o ka pākaukau, ka hopena i ka decomposition electrolyte, nā hopena ʻino i loko o ka pākaukau, a me ka piʻi wikiwiki ʻana i loko. ke kaomi o ka pākaukau, hiki ke pahū.

Overcurrent: ʻO ka nui o ka hoʻouka ʻana i kēia manawa hiki ke hoʻolilo i nā ion lithium i ka manawa e hoʻokomo ai i loko o ka ʻāpana pole, a ua hana ʻia ka metala lithium ma ka ʻili o ka ʻāpana pole, e komo ana i ka diaphragm, e alakaʻi i kahi pōkole pōkole ma waena o nā pou maikaʻi a me nā pole maikaʻi ʻole a me ka pahū. .

Ka hopena

ʻO nā kumu o ka pahū pākaukau lithium e pili ana i nā kaapuni pōkole i loko, ka holo ʻana o ka wela, ka hoʻonui ʻana i ka manawa lōʻihi o ke kelepona pākaukau, nā pōkole pōkole o waho, nā wela kiʻekiʻe o waho, ka haʻalulu mechanical a i ʻole ka pōʻino, ka hoʻopiʻi ʻana i nā pilikia, a me nā mea ʻē aʻe. No laila, i ka hoʻohana ʻana a me ka mālama ʻana i nā pā lithium, pono e mālama pono i nā lula palekana kūpono e hōʻoia i ka palekana a me ka paʻa o ka pā. I ka manawa like, ʻo ka hoʻoikaika ʻana i ka nānā ʻana i ka palekana a me nā hana pale ʻana he mea nui nō hoʻi e pale ai i ka pahū ʻana o ka pā lithium.

ʻO Heltec Energy kāu hoa hilinaʻi ma ka hana ʻana i ka pākaukau. Me ko mākou manaʻo hoʻomau i ka noiʻi a me ka hoʻomohala ʻana, i hui pū ʻia me kā mākou ʻāpana piha o nā lako pākaukau, hāʻawi mākou i nā ʻoluʻolu hoʻokahi e hoʻokō i nā pono e ulu nei o ka ʻoihana. ʻO kā mākou kūpaʻa i ka maikaʻi, nā hoʻonā i hoʻohālikelike ʻia, a me nā hui kūʻai ikaika e hoʻolilo iā mākou i ke koho koho no nā mea hana pākaukau a me nā mea hoʻolako ma ka honua holoʻokoʻa.

Inā he mau nīnau kāu a makemake paha e aʻo hou aku, e ʻoluʻolu e ʻoluʻolue kikoo mai ia makou.

Noi no ka olelo:

Jacqueline:jacqueline@heltec-bms.com/ +86 185 8375 6538

Sucre:sucre@heltec-bms.com/ +86 136 8844 2313

Nancy:nancy@heltec-bms.com/ +86 184 8223 7713


Ka manawa hoʻouna: Iulai-24-2024