{"id":94670,"date":"2021-06-26T10:40:04","date_gmt":"2021-06-26T02:40:04","guid":{"rendered":"https:\/\/www.alpapowder.com\/estudo-de-caso\/materiais-catodicos-e-anodos-de-baterias-de-ions-de-litio\/"},"modified":"2022-07-26T10:57:09","modified_gmt":"2022-07-26T02:57:09","slug":"materiais-catodicos-e-anodos-de-baterias-de-ions-de-litio","status":"publish","type":"page","link":"https:\/\/www.alpapowder.com\/pt-pt\/estudo-de-caso\/materiais-catodicos-e-anodos-de-baterias-de-ions-de-litio\/","title":{"rendered":"Materiais cat\u00f3dicos e \u00e2nodos de baterias de \u00edons de l\u00edtio"},"content":{"rendered":"<section class=\"wpb-content-wrapper\"><p>[vc_row unlock_row_content=&#8221;yes&#8221; row_height_percent=&#8221;0&#8243; override_padding=&#8221;yes&#8221; h_padding=&#8221;0&#8243; top_padding=&#8221;0&#8243; bottom_padding=&#8221;0&#8243; overlay_alpha=&#8221;50&#8243; equal_height=&#8221;yes&#8221; gutter_size=&#8221;0&#8243; column_width_percent=&#8221;100&#8243; shift_y=&#8221;0&#8243; z_index=&#8221;0&#8243; top_divider=&#8221;gradient&#8221; bottom_divider=&#8221;step&#8221; el_class=&#8221;demos&#8221;][vc_column column_width_percent=&#8221;100&#8243; gutter_size=&#8221;1&#8243; override_padding=&#8221;yes&#8221; column_padding=&#8221;4&#8243; style=&#8221;dark&#8221; back_color=&#8221;accent&#8221; overlay_alpha=&#8221;50&#8243; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; shift_y_down=&#8221;0&#8243; z_index=&#8221;0&#8243; medium_width=&#8221;0&#8243; mobile_width=&#8221;0&#8243; width=&#8221;2\/3&#8243;][vc_custom_heading heading_semantic=&#8221;h1&#8243; text_size=&#8221;h1&#8243;]O desempenho da bateria de l\u00edtio atingindo um gargalo?[\/vc_custom_heading][vc_empty_space empty_h=&#8221;2&#8243;][vc_column_text]O objetivo da ind\u00fastria de l\u00edtio \u00e9 desenvolver baterias com maior funcionalidade, maior capacidade, maior vida \u00fatil, menor tempo de carga e menor peso. As baterias de \u00edons de l\u00edtio normalmente consistem de um eletrodo negativo (\u00e2nodo), um eletrodo positivo (c\u00e1todo), e um diafragma. Os compostos de l\u00edtio usados nas baterias de l\u00edtio t\u00eam requisitos espec\u00edficos de distribui\u00e7\u00e3o de dimensionamento de part\u00edculas, e o uso de p\u00f3s de l\u00edtio ultrafinos pode melhorar o desempenho da bateria: incluindo maior capacidade utiliz\u00e1vel, maior vida \u00fatil, taxas de carga mais r\u00e1pidas, maior efici\u00eancia, taxas de descarga consistentes, e tamanho e peso reduzidos.<\/p>\n<p>Al\u00e9m da resist\u00eancia mec\u00e2nica e t\u00e9rmica do diafragma, os fatores-chave que afetam a qualidade e seguran\u00e7a da bateria incluem composi\u00e7\u00e3o qu\u00edmica, forma e distribui\u00e7\u00e3o granulom\u00e9trica e homogeneidade do material ativo. Ap\u00f3s pesquisa e desenvolvimento cont\u00ednuos, a Alpa possui um conjunto completo de solu\u00e7\u00f5es e equipamentos de processamento de material de eletrodo de l\u00edtio positivo e negativo, que podem atender \u00e0s complexas exig\u00eancias do processo, incluindo o projeto integrado de alimenta\u00e7\u00e3o sem p\u00f3, separa\u00e7\u00e3o magn\u00e9tica, moagem ultra-fina, classifica\u00e7\u00e3o, transporte de p\u00f3, dosagem e embalagem, dosagem autom\u00e1tica, controle inteligente e outros processos de fluxo de p\u00f3.[\/vc_column_text][vc_empty_space empty_h=&#8221;2&#8243;][vc_custom_heading heading_semantic=&#8221;h4&#8243; text_size=&#8221;h4&#8243;]Compostos t\u00edpicos para materiais cat\u00f3dicos de baterias de \u00edons de l\u00edtio[\/vc_custom_heading][vc_empty_space empty_h=&#8221;1&#8243;][vc_column_text]<\/p>\n<ul>\n<li>LCO (cobalato de l\u00edtio, LiCoO<sub>2<\/sub>)<\/li>\n<li>NCA (Lithium Nickel Cobalt Aluminum Oxide, LiNiCoAlO<sub>2<\/sub>)<\/li>\n<li>NMC (\u00f3xido de l\u00edtio-n\u00edquel-mangan\u00eas-cobalto, Li [NiCoMn] O<sub>2<\/sub>)<\/li>\n<li>LMO (Manganato de l\u00edtio, LiMn<sub>2<\/sub>O<sub>4<\/sub>)<\/li>\n<li>LFP (Fosfato de ferro l\u00edtio, LiFePO<sub>4<\/sub>)<\/li>\n<li>Carbonato de l\u00edtio (Li<sub>2<\/sub>CO<sub>3<\/sub>)<\/li>\n<li>Hidr\u00f3xido de l\u00edtio (LiOH)<\/li>\n<\/ul>\n<p>[\/vc_column_text][vc_empty_space empty_h=&#8221;2&#8243;][vc_custom_heading heading_semantic=&#8221;h4&#8243; text_size=&#8221;h4&#8243; subheading=&#8221;Os materiais dos \u00e2nodos das baterias de \u00edons de l\u00edtio cont\u00eam grafite natural em escala, microesferas de carbono de fase intermedi\u00e1ria e grafite artificial do tipo coque de petr\u00f3leo. O material de carbono \u00e9 o principal material an\u00f3dico utilizado nas baterias de \u00edon-l\u00edtio, e seu desempenho afeta a qualidade, o custo e a seguran\u00e7a das baterias de \u00edon-l\u00edtio. Decidir o desempenho do material do \u00e2nodo, al\u00e9m de mat\u00e9rias-primas, formula\u00e7\u00f5es de processo, para proporcionar um desempenho est\u00e1vel, a efici\u00eancia energ\u00e9tica da tritura\u00e7\u00e3o de carbono grafite, esferoidiza\u00e7\u00e3o, moldagem, classifica\u00e7\u00e3o e outras tecnologias de equipamentos tamb\u00e9m \u00e9 um fator importante.&#8221;]Introdu\u00e7\u00e3o aos materiais dos \u00e2nodos das baterias de \u00edons de l\u00edtio[\/vc_custom_heading][vc_empty_space empty_h=&#8221;2&#8243;][vc_button size=&#8221;btn-sm&#8221; outline=&#8221;yes&#8221; text_skin=&#8221;yes&#8221; border_width=&#8221;1&#8243; link=&#8221;url:https%3A%2F%2Fwww.alpapowder.com%2Fpt-pt%2F95717%2F|title:%20Vis%C3%A3o%20geral%20da%20tecnologia%20de%20esferoidiza%C3%A7%C3%A3o%20de%20carbono%20grafite%20para%20a%20ind%C3%BAstria%20de%20l%C3%ADtio-%C3%ADon|target:_blank|&#8221; icon=&#8221;fa fa-book4&#8243;]Leitura ampliada: Vis\u00e3o geral da tecnologia de esferoidiza\u00e7\u00e3o de carbono grafite para a ind\u00fastria de l\u00edtio-\u00edon[\/vc_button][\/vc_column][vc_column column_width_percent=&#8221;100&#8243; 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carousel_navspeed=&#8221;400&#8243; carousel_nav=&#8221;yes&#8221; carousel_nav_mobile=&#8221;yes&#8221; carousel_dots=&#8221;yes&#8221; carousel_dots_mobile=&#8221;yes&#8221; carousel_dots_inside=&#8221;yes&#8221; carousel_dot_padding=&#8221;2&#8243; stage_padding=&#8221;0&#8243; single_text=&#8221;overlay&#8221; single_style=&#8221;dark&#8221; single_overlay_opacity=&#8221;50&#8243; single_overlay_anim=&#8221;no&#8221; single_h_align=&#8221;right&#8221; single_padding=&#8221;3&#8243; single_title_dimension=&#8221;h4&#8243; single_border=&#8221;yes&#8221;][\/vc_column][vc_column column_width_percent=&#8221;100&#8243; position_vertical=&#8221;middle&#8221; gutter_size=&#8221;3&#8243; override_padding=&#8221;yes&#8221; column_padding=&#8221;4&#8243; style=&#8221;dark&#8221; back_color=&#8221;accent&#8221; overlay_alpha=&#8221;50&#8243; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; shift_y_down=&#8221;0&#8243; z_index=&#8221;0&#8243; medium_width=&#8221;0&#8243; mobile_width=&#8221;0&#8243; width=&#8221;1\/2&#8243;][uncode_block id=&#8221;85796&#8243; inside_column=&#8221;yes&#8221;][uncode_list larger=&#8221;yes&#8221; icon=&#8221;fa fa-square-o&#8221;]<\/p>\n<ul>\n<li>O dimensionamento dos produtos pode ser ajustado \u00e0 vontade entre D50: 3~ 45\u03bcm.<\/li>\n<li>Prote\u00e7\u00e3o cer\u00e2mica em todo o processo, o aumento do metal estrangeiro matter\uff1c20ppb.<\/li>\n<li>Tritura\u00e7\u00e3o em circuito fechado de todo o processo, umidade increase\uff1c100ppm.<\/li>\n<li>A produ\u00e7\u00e3o hor\u00e1ria de uma \u00fanica m\u00e1quina \u00e9 superior a 1000kg<sup>(1)<\/sup><\/li>\n<li>A velocidade linear do disco de esmagamento de cer\u00e2mica e da roda classificadora chega a 100m\/s.<\/li>\n<li>Moinho mec\u00e2nico pode ser usado para substituir o moinho de fluxo de ar para produzir material tern\u00e1rio de cristal \u00fanico, e o consumo de energia pode ser economizado em 30%<sup>(2)<\/sup> .<\/li>\n<\/ul>\n<p>[\/uncode_list][vc_separator sep_color=&#8221;,\u9ed8\u8ba4&#8221; el_width=&#8221;100px&#8221;][vc_column_text]Nota:<br \/>\n(1) Tomemos como exemplo o material tern\u00e1rio policristalino;<br \/>\n(2) Com base nas estat\u00edsticas de dados de v\u00e1rios clientes nos \u00faltimos dois anos sob as mesmas condi\u00e7\u00f5es de produ\u00e7\u00e3o.<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>[vc_row unlock_row_content=&#8221;yes&#8221; row_height_percent=&#8221;0&#8243; override_padding=&#8221;yes&#8221; h_padding=&#8221;0&#8243; top_padding=&#8221;0&#8243; bottom_padding=&#8221;0&#8243; overlay_alpha=&#8221;50&#8243; equal_height=&#8221;yes&#8221; gutter_size=&#8221;0&#8243; column_width_percent=&#8221;100&#8243; shift_y=&#8221;0&#8243; z_index=&#8221;0&#8243; top_divider=&#8221;gradient&#8221; bottom_divider=&#8221;step&#8221; el_class=&#8221;demos&#8221;][vc_column column_width_percent=&#8221;100&#8243; gutter_size=&#8221;1&#8243; override_padding=&#8221;yes&#8221; column_padding=&#8221;4&#8243; 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