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ʻO ka pākaukau lithium-ion Graphene

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ʻO ka pākaukau lithium-ion Graphene

2024-04-29 15:47:33

Loaʻa i nā pākahi Lithium-ion nā pono o ka mana nui, ke ola pōʻai lōʻihi, a ʻaʻohe hoʻomanaʻo. Ua lilo lākou i pākaukau i makemake nui ʻia no nā huahana uila mea kūʻai aku honua a me ka pākaukau nui no nā kaʻa ʻenehana hou. ʻO ka hoʻohui ʻana i nā mea hana conductive i ka mea electrode maikaʻi he ala maikaʻi ia e hoʻomaikaʻi ai i ka hana o nā pā lithium.


Hiki iā ia ke hoʻonui nui i nā waiwai conductive o nā electrodes maikaʻi a maikaʻi ʻole, hoʻonui i ka nui o ka ikehu puʻupuʻu, a hoʻemi i ke kū'ē. , e hoʻonui i ka deintercalation a me ka hoʻokomo i ka wikiwiki o nā lithium ion, e hoʻomaikaʻi nui i ka uku o ka pākaukau a me ka hoʻokuʻu ʻana i ka hana, a hoʻomaikaʻi i ka hana wikiwiki o nā kaʻa uila. mea i loko o nā electrodes o ka pākaukau.

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Ma ke kumumanaʻo, hiki i nā electrodes graphene ke loaʻa ʻelua ka mana kikoʻī o ka graphite. Eia kekahi, inā hui pū ʻia ka graphene a me ke kalapona ʻeleʻele a hoʻohui ʻia e like me nā mea hoʻohui conductive i nā pā lithium, hiki ke hoʻemi maikaʻi ʻia ke kūpaʻa kūloko o ka pākaukau, a me ka uku pākaukau a Hiki ke hoʻomaikaʻi i ka hana hoʻokuʻu a me ke ola pōʻai.

Eia kekahi, ʻaʻohe hopena o ke kuʻi ʻana o ka pākaukau i ka hana a me ka hoʻokuʻu ʻana, no laila ua hana ʻia nā electrodes i ka graphite. Ma hope o nā mea graphene, he kiʻekiʻe ka uku a me ka hoʻokuʻu ʻana o ka pākaukau, ʻo ia ke kumu e hoʻopaʻa wikiwiki ai nā pā graphene.


Ke hoʻohana ʻia i loko o nā pā lithium, ʻelua mau hana nui ka graphene: ʻo ka mea hoʻokele conductive, a ʻo ka mea ʻē aʻe he electrode lithium-embedded material. ʻO nā noi ʻelua ma luna e hoʻokūkū nei me ka carbon conductive / graphite kuʻuna. I kēia manawa, ʻekolu mau ʻano nui. o ka hoʻohui ʻana i ka graphene i nā pākahi lithium: nā mea hoʻohui conductive, nā mea hoʻohui electrode, a pololei e like me nā mea electrode maikaʻi ʻole. I kēia manawa, ʻoi aku ka makua o ka ʻenehana noiʻi a me ka hoʻomohala ʻana o nā mea hana graphene conductive.