{"id":26708,"date":"2023-07-17T02:45:17","date_gmt":"2023-07-17T02:45:17","guid":{"rendered":"https:\/\/batteryswapstation.com\/?p=26708"},"modified":"2023-07-17T09:49:36","modified_gmt":"2023-07-17T09:49:36","slug":"tesla-4680-battery","status":"publish","type":"post","link":"https:\/\/batteryswapstation.com\/pt\/tesla-4680-battery\/","title":{"rendered":"Bateria Tesla 4680 - inova\u00e7\u00e3o tecnol\u00f3gica e desenvolvimento da cadeia industrial"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"26708\" class=\"elementor elementor-26708\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-68015b0b e-flex e-con-boxed e-con e-parent\" data-id=\"68015b0b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-55d9b77 elementor-widget elementor-widget-text-editor\" data-id=\"55d9b77\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div style=\"line-height: 40px;\"><strong>Bateria Tesla 4680<\/strong> \u00e9 uma das tecnologias mais inovadoras da Tesla, e o seu excelente desempenho no dom\u00ednio dos ve\u00edculos el\u00e9ctricos faz dela uma tecnologia-chave que lidera o desenvolvimento da ind\u00fastria autom\u00f3vel. <span style=\"text-decoration: underline; color: #333399;\"><a style=\"color: #333399; text-decoration: underline;\" href=\"https:\/\/batteryswapstation.com\/pt\/lithium-battery-industry\/\">ind\u00fastria das pilhas de l\u00edtio<\/a><\/span>A bateria de alta velocidade, que traz mudan\u00e7as revolucion\u00e1rias, e uma s\u00e9rie de vantagens desta bateria abrem uma nova perspetiva para o futuro desenvolvimento de ve\u00edculos el\u00e9ctricos.<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-66e5df5d 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data-hidedesktop=\"\" data-hidetablet=\"\" data-hidemobile=\"\" data-vsticky-viewport=\"0\" data-autoplay=\"0\">\n\t\t\t\t\t\t<div class=\"uael-video-inner-wrap\">\n\t\t\t\t<div class=\"uael-video__play\" data-src=\"https:\/\/www.youtube.com\/embed\/UUFHa1APVpU?rel=0&amp;start&amp;end&amp;controls=1&amp;mute=0&amp;modestbranding=0&amp;\">\n\t\t\t\t\t<img decoding=\"async\" class=\"uael-video__thumb\" src=\"https:\/\/i.ytimg.com\/vi\/UUFHa1APVpU\/maxresdefault.jpg\" alt=\"\"><\/img>\n\t\t\t\t\t<div class=\"uael-video__play-icon uael-animation-\">\n\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/batteryswapstation.com\/wp-content\/uploads\/2023\/07\/YouTube_play_button_icon_2013-2017.svg.png\" alt=\"YouTube_play_button_icon_(2013\u20132017).svg\" \/>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e7aa309 elementor-widget elementor-widget-spacer\" data-id=\"e7aa309\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-66373b1f elementor-widget elementor-widget-text-editor\" data-id=\"66373b1f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div style=\"line-height: 40px;\"><h2 id=\"what-is-4680-battery\">O que \u00e9 a pilha 4680<\/h2><p>\"4680\" representa a especifica\u00e7\u00e3o do tamanho do di\u00e2metro e da altura da bateria. A bateria 4680 refere-se ao di\u00e2metro da bateria de 46 mm e \u00e0 altura de 80 mm. Em compara\u00e7\u00e3o com a bateria de ve\u00edculo el\u00e9trico tradicional, o seu maior volume, maior capacidade e maior densidade de energia podem proporcionar uma maior autonomia de condu\u00e7\u00e3o e desempenho da bateria.<\/p><h2 id=\"advantages-of-4680-battery\">Vantagens da pilha 4680<\/h2><p>Em compara\u00e7\u00e3o com a estrutura de lug de p\u00f3lo \u00fanico da bateria 21700, a bateria 4680 adota o design de lug + placa coletora de todos os p\u00f3los, enquanto o esquema principal adota a nova configura\u00e7\u00e3o do p\u00f3lo positivo na parte inferior da ranhura da concha e a soldagem a laser da placa de cobertura para selar a ranhura da concha.<\/p><p>Em termos de processo de processamento, em compara\u00e7\u00e3o com a bateria 21700, a bateria 4680 aumentou o processo de corte e vinco do terminal do p\u00f3lo, amassamento, coletor de soldadura a laser, forma\u00e7\u00e3o de abertura, processo de placa de cobertura de soldadura a laser, a capacidade da c\u00e9lula da bateria 4680 \u00e9 5 vezes superior \u00e0 da bateria 21700, o que pode melhorar 16% da quilometragem do modelo correspondente, e a pot\u00eancia de sa\u00edda \u00e9 6 vezes superior \u00e0 da bateria 21700.<\/p><p>Atualmente, a bateria Tesla 4680 autoproduziu 1 milh\u00e3o de baterias em janeiro de 2023, com um rendimento m\u00e9dio de 92% e o rendimento mais elevado de 97%, tendo o rendimento atingido o n\u00edvel de produ\u00e7\u00e3o em massa.<\/p><p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-26712\" src=\"https:\/\/batteryswapstation.com\/wp-content\/uploads\/2023\/07\/Advantages-of-4680-battery.webp\" alt=\"Vantagens da pilha-4680\" width=\"1000\" height=\"500\" \/><\/p><h2 id=\"two-structural-schemes-of-4680\">Dois esquemas estruturais de 4680<\/h2><p><strong>Regime tradicional:<\/strong> a extremidade do olhal negativo est\u00e1 virada para o fundo da ranhura do casco de a\u00e7o, e o olhal positivo \u00e9 conduzido para fora da extremidade aberta e soldado com a extremidade positiva. A base do inv\u00f3lucro de a\u00e7o \u00e9 soldada com o olhal negativo de todos os p\u00f3los atrav\u00e9s da ranhura por soldadura por penetra\u00e7\u00e3o de laser pulsado.<\/p><p><strong>\u25cfVantagens:<\/strong> a estrutura sem coletor negativo n\u00e3o ocupa o espa\u00e7o na dire\u00e7\u00e3o da altura do inv\u00f3lucro de a\u00e7o, melhorando a taxa de utiliza\u00e7\u00e3o do espa\u00e7o;<\/p><p><strong>Desvantagens:<\/strong> quando a espessura da parede da bateria aumenta, \u00e9 dif\u00edcil soldar firmemente o terminal do p\u00f3lo \u00e0 parte inferior da caixa atrav\u00e9s de soldadura.<\/p><p><strong>Novo esquema:<\/strong> a placa coletora positiva \u00e9 diretamente soldada \u00e0 coluna positiva, a coluna positiva est\u00e1 presa na abertura na parte inferior da ranhura do inv\u00f3lucro e existe um selo isolante entre elas, a c\u00e9lula da bateria \u00e9 uma estrutura de lug de p\u00f3lo completo.<\/p><p>As duas extremidades est\u00e3o ligadas \u00e0s placas colectoras positiva e negativa e o p\u00f3lo est\u00e1 ligado eletricamente atrav\u00e9s da placa coletora positiva e da bateria, o inv\u00f3lucro e a placa coletora negativa est\u00e3o ligados eletricamente, a placa de cobertura e o inv\u00f3lucro est\u00e3o ligados pelo entalhe e a placa de cobertura est\u00e1 gravada com linhas \u00e0 prova de explos\u00e3o.<\/p><p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-26713\" src=\"https:\/\/batteryswapstation.com\/wp-content\/uploads\/2023\/07\/4680-battery-brings-new-opportunities-for-battery-material-industry.webp\" alt=\"4680-bateria traz novas oportunidades para a ind\u00fastria de materiais para baterias\" width=\"1000\" height=\"500\" \/><\/p><h2 id=\"4680-battery-brings-new-opportunities-for-battery-material-industry\">A bateria 4680 traz novas oportunidades para a ind\u00fastria de materiais para baterias<\/h2><p>Anteriormente, devido ao decl\u00ednio dos subs\u00eddios, as exig\u00eancias de redu\u00e7\u00e3o de custos, os problemas de seguran\u00e7a eram \u00f3bvios. Os principais materiais auxiliares na dire\u00e7\u00e3o da alta energia e da alta taxa de atualiza\u00e7\u00e3o abrandaram, e espera-se que a bateria Tesla 4680 se torne um novo impulsionador de atualiza\u00e7\u00e3o.<\/p><p>Prev\u00ea-se um aumento da permeabilidade\/dosagem dos principais materiais auxiliares, como o c\u00e1todo com elevado teor de n\u00edquel, o \u00e2nodo de carbono sil\u00edcio, o suplemento de l\u00edtio, o nanotubo de carbono, o LiFSI e o PVDF.<\/p><p><strong>1) C\u00e1todo com alto teor de n\u00edquel:<\/strong> Com elevada tens\u00e3o de funcionamento e capacidade espec\u00edfica, \u00e9 um potencial material cat\u00f3dico para baterias el\u00e9ctricas;<\/p><p><strong>2) \u00c2nodo de carbono \u00e0 base de sil\u00edcio:<\/strong> Como material ideal para a pr\u00f3xima gera\u00e7\u00e3o de \u00e2nodos, a capacidade espec\u00edfica do sil\u00edcio puro \u00e9 10 vezes superior \u00e0 da grafite;<\/p><p><strong>3) Suplemento de l\u00edtio:<\/strong> Para al\u00e9m do baixo primeiro efeito do \u00e2nodo de sil\u00edcio-carbono, a pel\u00edcula SEI \"respirar\u00e1\" a regenera\u00e7\u00e3o durante o processo de ciclo, o que reduz a vida \u00fatil do ciclo, e a procura de suplemento de l\u00edtio est\u00e1 a aumentar;<\/p><p><strong>4) Nanotubos de carbono:<\/strong> Devido \u00e0 fraca condutividade do <span style=\"text-decoration: underline;\"><span style=\"color: #333399; text-decoration: underline;\"><a style=\"color: #333399; text-decoration: underline;\" href=\"https:\/\/batteryswapstation.com\/pt\/china-silicon-based-anode-material-industry\/\">\u00e2nodo \u00e0 base de sil\u00edcio<\/a><\/span><\/span> \u00e9 necess\u00e1rio adicionar nanotubos de carbono (CNT) para aumentar a condutividade entre as subst\u00e2ncias activas e melhorar a densidade energ\u00e9tica da bateria;<\/p><p><strong>5) LiFSi:<\/strong> Um novo tipo de sal de l\u00edtio adequado para baterias com alto teor de n\u00edquel, alta tens\u00e3o e alta taxa;<\/p><p><strong>6) PVDF: <\/strong>Principalmente utilizado na bateria do <span style=\"text-decoration: underline;\"><span style=\"color: #333399; text-decoration: underline;\"><a style=\"color: #333399; text-decoration: underline;\" href=\"https:\/\/batteryswapstation.com\/pt\/lithium-battery-separator\/\">separador de baterias de l\u00edtio<\/a><\/span><\/span> e o c\u00e1todo como aglutinante.<\/p><p>Em termos de pe\u00e7as estruturais, uma vez que a bateria Tesla 4680 adopta um novo design de configura\u00e7\u00e3o, o limiar de fabrico foi aumentado, fazendo com que as pe\u00e7as estruturais passem a ser personalizadas, aquisi\u00e7\u00e3o de placas de cobertura, o layout \u00e9 optimizado e o valor dos produtos individuais \u00e9 aumentado.<\/p><p>Em termos de equipamento, a quantidade de corte a laser, soldadura a laser e outros processos aumentou, e os requisitos de alta precis\u00e3o aumentaram o valor do equipamento relacionado. A f\u00e1brica principal de baterias planeia uma nova capacidade de produ\u00e7\u00e3o, e espera-se que o equipamento de estampagem de conchas seja substitu\u00eddo pelo fabrico chin\u00eas.<\/p><p>Al\u00e9m disso, como todas as al\u00e7as est\u00e3o dispostas de perto, \u00e9 dif\u00edcil usar o corte e vinco de metal e, em alguns esquemas, a largura das al\u00e7as muda ao longo do comprimento da pe\u00e7a do poste, portanto, o corte e vinco a laser \u00e9 mais adequado. O equipamento de soldadura a laser beneficia do plano de baterias Tesla 4680, e as principais f\u00e1bricas de baterias da ind\u00fastria sobreposta tamb\u00e9m planeiam ter capacidade de produ\u00e7\u00e3o, o que se espera que d\u00ea in\u00edcio a um r\u00e1pido aumento de volume.<\/p><p><strong>Principais empresas de baterias 4680:<\/strong> CATL, EVE Energy, e outros <span style=\"text-decoration: underline; color: #333399;\"><a style=\"color: #333399; text-decoration: underline;\" href=\"https:\/\/batteryswapstation.com\/pt\/4680-battery-manufactureres\/\">os 10 principais fabricantes de baterias 4680<\/a><\/span>.<\/p><p><strong>Fornecedores dos principais materiais para baterias 4680:<\/strong> CNGR (alto teor de n\u00edquel), Easpring Technology (alto teor de n\u00edquel), Putailai (carbono sil\u00edcio), Shanshan (carbono sil\u00edcio), Dynanonic (suplemento de l\u00edtio), Ke Dali (casca), Cnano Technology (nanotubos de carbono), Tinci Materials (LiFSI), Capchem (LiFSI), BRT (n\u00edquel elevado+nanotubos de carbono), Fangyuan (n\u00edquel elevado) , Slac (concha), Hymson (equipamento de corte e vinco por laser), Uwlaser (equipamento de soldadura por laser), JDM (equipamento de estampagem).<\/p><p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-26714\" src=\"https:\/\/batteryswapstation.com\/wp-content\/uploads\/2023\/07\/Difficulties-in-mass-production-of-4680-battery.webp\" alt=\"Dificuldades na produ\u00e7\u00e3o em massa da pilha-4680\" width=\"1000\" height=\"500\" \/><\/p><h2 id=\"difficulties-in-mass-production-of-4680-battery\">Dificuldades na produ\u00e7\u00e3o em massa da bateria 4680<\/h2><p>A nova estrutura da bateria Tesla 4680 traz desafios de realiza\u00e7\u00e3o e consist\u00eancia do processo, afectando a taxa de rendimento da bateria.<\/p><p><strong>Revestimento:<\/strong> O rebordo curvo do revestimento da argola para todos os p\u00f3los exige uma maior precis\u00e3o do dispositivo (a \u00e1rea em branco do anel exterior \u00e9 cada vez maior do que a do anel interior e o comprimento da argola para os p\u00f3los \u00e9 maior do que o do anel exterior).<\/p><p><strong>Corte de olhais de postes:<\/strong> Requisitos de processo mais elevados, se a aresta for irregular, resultar\u00e1 numa lacuna no encaixe do terminal do poste.<\/p><p><strong>Soldadura a laser:<\/strong> Soldadura de placa coletora e de lug de todos os p\u00f3los, aumento dos pontos de soldadura (o n\u00famero de juntas de soldadura na bateria Tesla 4680 \u00e9 mais de cinco vezes superior ao da bateria 21700), f\u00e1cil de criar soldadura virtual ou diafragma danificado a alta temperatura.<\/p><p><strong>Amassar:<\/strong> S\u00e3o produzidas aparas met\u00e1licas.<\/p><p><strong>Inje\u00e7\u00e3o de l\u00edquido:<\/strong> \u00c9 dif\u00edcil injetar l\u00edquido ap\u00f3s a cobertura de todos os p\u00f3los, o que afecta a produ\u00e7\u00e3o cont\u00ednua.<\/p><p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-26715\" src=\"https:\/\/batteryswapstation.com\/wp-content\/uploads\/2023\/07\/The-performance-advantage-of-Tesla-4680-battery.webp\" alt=\"A vantagem de desempenho da bateria Tesla-4680\" width=\"1000\" height=\"500\" \/><\/p><h2 id=\"the-performance-advantages-of-tesla-4680-battery\">As vantagens de desempenho da bateria Tesla 4680<\/h2><p>A Tesla melhorou a conce\u00e7\u00e3o da bateria Tesla 4680 com \"c\u00e9lulas grandes, lug de todos os p\u00f3los, alto teor de n\u00edquel e alto teor de sil\u00edcio e CTC\" para obter uma s\u00e9rie de vantagens de desempenho:<\/p><p><strong>1) Longa resist\u00eancia:<\/strong> A densidade energ\u00e9tica da bateria Tesla 4680 aumenta &gt;20%;<\/p><p><strong>2) Carregamento r\u00e1pido:<\/strong> O terminal de todos os p\u00f3los optimiza o desempenho termoel\u00e9trico da bateria e pode suportar uma corrente de alta velocidade superior a 4C;<\/p><p><strong>3) Baixo custo:<\/strong> Bateria grande + alta densidade de energia, reduzindo o custo de um \u00fanico Wh.<\/p><p>Al\u00e9m disso, a bateria Tesla 4680, devido ao seu melhor desempenho em termos de seguran\u00e7a t\u00e9rmica e \u00e0s vantagens uniformes da distribui\u00e7\u00e3o interna das tens\u00f5es, \u00e9 mais adequada para sistemas com elevado teor de n\u00edquel e sil\u00edcio do que a bateria quadrada. Espera-se que os autom\u00f3veis de gama baixa apliquem mais o esquema de f\u00f3sforo quadrado+CTP e que os autom\u00f3veis de gama alta apliquem mais o esquema 4680+CTC de elevado teor de n\u00edquel e sil\u00edcio.<\/p><p>Os principais fornecedores mundiais de baterias, como a LG, a Panasonic, a Samsung, a CATL, a EVE energy, etc., tamb\u00e9m seguiram o esquema da bateria Tesla 4680. Espera-se que a bateria Tesla 4680 d\u00ea in\u00edcio a um ponto de inflex\u00e3o impulsionado pela Tesla e pelos principais fabricantes de baterias.<\/p><p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-26716\" src=\"https:\/\/batteryswapstation.com\/wp-content\/uploads\/2023\/07\/Technology-innovation-of-Tesla-4680-battery.webp\" alt=\"Tecnologia-inova\u00e7\u00e3o da pilha-Tesla-4680\" width=\"1000\" height=\"500\" \/><\/p><h2 id=\"technology-innovation-of-tesla-4680-battery\">Inova\u00e7\u00e3o tecnol\u00f3gica da bateria Tesla 4680<\/h2><p><strong>Adotar um olhal para todos os p\u00f3los<\/strong><br \/><strong>Reduzir a resist\u00eancia:<\/strong><br \/>O design do lug de todos os p\u00f3los pode reduzir o caminho do fluxo de electr\u00f5es e reduzir a resist\u00eancia interna. Os electr\u00f5es da bateria 21700 fluem atrav\u00e9s de todo o comprimento do v\u00e3o da folha do p\u00f3lo enrolado no coletor, o caminho \u00e9 de cerca de 1000mm, e a imped\u00e2ncia correspondente \u00e9 superior a 20m\u03a9 de acordo com a condutividade el\u00e9ctrica do cobre.<\/p><p>Na c\u00e9lula de todos os p\u00f3los da bateria Tesla 4680, o caminho dos electr\u00f5es que fluem atrav\u00e9s do fluido coletor \u00e9 apenas o comprimento axial, ou seja, 80mm, e a imped\u00e2ncia correspondente \u00e9 de 2m\u03a9.<\/p><p><strong>Reduzir o calor<\/strong><br \/>Em termos de produ\u00e7\u00e3o de calor, o calor \u00e9 reduzido \u00e0 medida que a resist\u00eancia diminui (o calor da bateria de lug todo-polar \u00e9 apenas 1\/5 do lug unipolar). Em termos de dissipa\u00e7\u00e3o de calor, \u00e9 formado um forte caminho de condutividade t\u00e9rmica ao longo da dire\u00e7\u00e3o radial, e apenas a placa fria pode ser disposta na parte inferior (o 21700 original \u00e9 uma parede lateral de arrefecimento de tubo em serpentina), o que reduz a dificuldade de gest\u00e3o t\u00e9rmica e o consumo de energia.<\/p><p>Em suma, a perda de eletricidade e de energia t\u00e9rmica \u00e9 pequena, quebrando o constrangimento de que a energia e a densidade de pot\u00eancia n\u00e3o podem ser aumentadas ao mesmo tempo, e conseguindo uma longa dura\u00e7\u00e3o da bateria e um carregamento r\u00e1pido.<\/p><p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-26718\" src=\"https:\/\/batteryswapstation.com\/wp-content\/uploads\/2023\/07\/Tesla-4680-reduce-heat.webp\" alt=\"Tesla-4680-reduce-heat\" width=\"1000\" height=\"578\" \/><\/p><p><strong>Simplificar o processo<\/strong><\/p><p>A placa do poste de 21700\/18650 precisa de deixar uma \u00e1rea em branco para o olhal do poste, e o olhal completo do poste pode evitar o revestimento zebrado e simplificar a <span style=\"text-decoration: underline;\"><span style=\"color: #333399; text-decoration: underline;\"><a style=\"color: #333399; text-decoration: underline;\" href=\"https:\/\/batteryswapstation.com\/pt\/battery-production\/\">produ\u00e7\u00e3o de pilhas<\/a><\/span><\/span> processo.<\/p><p><strong>Adotar n\u00edquel e sil\u00edcio de alta qualidade<\/strong><\/p><p>Em princ\u00edpio, a bateria cil\u00edndrica 4680 \u00e9 apenas uma forma de embalagem, e n\u00e3o h\u00e1 limite para o sistema de material. No entanto, do ponto de vista da aplica\u00e7\u00e3o, o alto teor de n\u00edquel e de sil\u00edcio pode dar lugar \u00e0s vantagens do cilindro grande 4680 com melhor desempenho t\u00e9rmico e distribui\u00e7\u00e3o uniforme da tens\u00e3o interna do que a bateria quadrada.<\/p><p><strong>\u25cf Densidade energ\u00e9tica<\/strong><\/p><p>Como a efici\u00eancia de integra\u00e7\u00e3o da bateria cil\u00edndrica \u00e9 inferior \u00e0 da bateria quadrada, ou seja, para fazer um pacote com a mesma densidade de energia, a densidade de energia da bateria cil\u00edndrica \u00fanica deve ser maior do que a da bateria quadrada. Por conseguinte, para obter uma maior densidade de energia da bateria, o cilindro requer naturalmente um elevado teor de n\u00edquel.<\/p><p><strong>Elevado grau de adapta\u00e7\u00e3o ao n\u00edquel<\/strong><br \/>O cilindro \u00e9 mais adequado para n\u00edquel elevado do que o quadrado. A raz\u00e3o principal \u00e9 que o quadrado de n\u00edquel alto \u00e9 o contacto de superf\u00edcie, e a bateria \u00fanica \u00e9 grande, a produ\u00e7\u00e3o de calor no corpo n\u00e3o \u00e9 f\u00e1cil de libertar, e o design de fuga t\u00e9rmica n\u00e3o \u00e9 f\u00e1cil de controlar.<\/p><p>Por outro lado, as propriedades qu\u00edmicas do ferro-l\u00edtio s\u00e3o est\u00e1veis e os requisitos para dissipa\u00e7\u00e3o de calor e fuga t\u00e9rmica s\u00e3o mais baixos, pelo que o CTP quadrado \u00e9 muito adequado para a bateria do sistema de ferro-l\u00edtio, dando pleno uso \u00e0s vantagens da alta integra\u00e7\u00e3o quadrada, mas o design de fuga t\u00e9rmica \u00e9 dif\u00edcil. O l\u00edtio 4680 perdeu as vantagens do 4680 nos autom\u00f3veis de passageiros e pode ser aplicado no futuro em ve\u00edculos de duas rodas e ferramentas el\u00e9ctricas.<\/p><p>Al\u00e9m disso, devido \u00e0 expans\u00e3o do el\u00e9trodo negativo ap\u00f3s a adi\u00e7\u00e3o de sil\u00edcio, a dispers\u00e3o de tens\u00f5es internas da forma cil\u00edndrica \u00e9 mais uniforme do que a do quadrado, o que pode facilmente causar a quebra de part\u00edculas neste esquema, afectando o desempenho e a vida \u00fatil. Por conseguinte, a fim de aumentar a densidade energ\u00e9tica da c\u00e9lula, \u00e9 selecionada uma solu\u00e7\u00e3o com alto teor de sil\u00edcio e alto teor de n\u00edquel.<\/p><p><strong>Conseguir um baixo custo<\/strong><br \/><strong>\u25cf Custo do material inativo<\/strong><br \/>Tomemos as pe\u00e7as estruturais como exemplo, 21700 bateria shell + cap 2 RMB, 4680 \u00e9 atualmente cerca de 10 RMB, longa vida M3 precisa usar 21700\/4680 c\u00e9lula de bateria 4400\/960, a corrente correspondente ao valor de 8800\/9600, de modo que o custo de pe\u00e7as estruturais de bateria de bicicleta \u00e9 basicamente plana. O espa\u00e7o de redu\u00e7\u00e3o de pre\u00e7os \u00e9 enorme ap\u00f3s o volume tardio, assumindo que o custo pode ser reduzido em 30%, uma \u00fanica pe\u00e7a estrutural pode economizar cerca de 2000 RMB do que 21700.<\/p><p><strong>Alta densidade energ\u00e9tica<\/strong><\/p><p>Grafite + alta densidade de energia de n\u00edquel de 283wh\/kg (em compara\u00e7\u00e3o com a bateria LG 21700 que \u00e9 de 247wh\/kg), carbono sil\u00edcio + s\u00e9rie 83 alta densidade de energia de n\u00edquel de 300wh\/kg, s\u00e9rie 91 objetivo 350-400Wh\/kg.<\/p><p><strong>Poupan\u00e7a de custos no processo de produ\u00e7\u00e3o<\/strong><\/p><p>Reflectindo-se principalmente na tecnologia de el\u00e9ctrodos secos na fase inicial do ciclo de produ\u00e7\u00e3o, as part\u00edculas positivas e negativas s\u00e3o misturadas com aglutinante de politetrafluoroetileno (PTFE) para o tornar fibroso, e o p\u00f3 \u00e9 enrolado diretamente numa pel\u00edcula e pressionado sobre folha de alum\u00ednio ou folha de cobre para preparar uma folha de el\u00e9trodo positivo e negativo.<\/p><p>Desta forma, os complicados processos de laminagem e secagem podem ser omitidos, simplificando consideravelmente o processo de produ\u00e7\u00e3o, melhorando a efici\u00eancia da produ\u00e7\u00e3o e poupando custos.<\/p><p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-26717\" src=\"https:\/\/batteryswapstation.com\/wp-content\/uploads\/2023\/07\/Current-status-of-4680-battery-industry-chain.webp\" alt=\"Estado atual da cadeia industrial da pilha-4680\" width=\"1000\" height=\"500\" \/><\/p><h2 id=\"current-status-of-4680-battery-industry-chain\">Situa\u00e7\u00e3o atual da cadeia industrial da bateria 4680<\/h2><p>Para a Tesla, com a promo\u00e7\u00e3o da bateria Tesla 4680, ser\u00e1 necess\u00e1rio haver duas ou tr\u00eas f\u00e1bricas de fundi\u00e7\u00e3o na China para alcan\u00e7ar uma maior capacidade de produ\u00e7\u00e3o no futuro, e outras grandes f\u00e1bricas de baterias seguir\u00e3o o layout da bateria Tesla 4680. Prev\u00ea-se que 2023 d\u00ea in\u00edcio ao primeiro ano do surto.<\/p><p><strong>Global:<\/strong> A Tesla anunciou pela primeira vez em setembro de 2020 que come\u00e7aria a entregar o Modelo Y com 4680 baterias em 2022T1.<\/p><p>A Panasonic planeia iniciar a produ\u00e7\u00e3o experimental de baterias 4680 no Jap\u00e3o em 2022 H1 e a produ\u00e7\u00e3o em massa em 2023; a LG ir\u00e1 expandir a capacidade da bateria 4680 na f\u00e1brica de Ochang na Coreia do Sul e planeia produzir em massa em 2022-2023; a Samsung SDI planeia atingir a produ\u00e7\u00e3o em massa em 2024 e a empresa israelita Storedot anunciou em setembro de 2021 que produziu com \u00eaxito a primeira bateria 4680 e planeia atingir a produ\u00e7\u00e3o em massa em 2024.<\/p><p><strong>China:<\/strong> A CATL est\u00e1 a acelerar o ritmo de investiga\u00e7\u00e3o e desenvolvimento, planeando a produ\u00e7\u00e3o em massa em 2024; a Bic exp\u00f4s produtos de grandes cilindros na CIBF de Shenzhen em mar\u00e7o de 2021, prevendo-se a produ\u00e7\u00e3o em massa em 2023; a EVE Energy colocou em produ\u00e7\u00e3o o projeto de produ\u00e7\u00e3o de baterias de grandes cilindros de 20 GWh no quarto trimestre de 2021 em Jingmen, prevendo-se que atinja a produ\u00e7\u00e3o em massa de 4680 baterias em 2024.<\/p><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5a7042fa e-flex e-con-boxed e-con e-parent\" data-id=\"5a7042fa\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3e06d41c elementor-author-box--layout-image-left elementor-author-box--avatar-yes elementor-author-box--name-yes elementor-author-box--biography-yes elementor-author-box--link-no elementor-widget elementor-widget-author-box\" data-id=\"3e06d41c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"author-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-author-box\">\n\t\t\t\t\t\t\t<div  class=\"elementor-author-box__avatar\">\n\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/batteryswapstation.com\/wp-content\/uploads\/2023\/07\/cropped-avatar-2-300x300.jpg\" alt=\"Foto de Hailey\" loading=\"lazy\">\n\t\t\t\t<\/div>\n\t\t\t\n\t\t\t<div class=\"elementor-author-box__text\">\n\t\t\t\t\t\t\t\t\t<div >\n\t\t\t\t\t\t<div class=\"elementor-author-box__name\">\n\t\t\t\t\t\t\tHailey\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-author-box__bio\">\n\t\t\t\t\t\tOl\u00e1, sou a Hailey. Desde que me licenciei com o meu mestrado em f\u00edsica, dediquei-me \u00e0 ind\u00fastria das baterias de l\u00edtio e trabalhei com engenheiros de baterias de l\u00edtio para concluir v\u00e1rios projectos de conce\u00e7\u00e3o e fabrico de baterias de l\u00edtio. Com base nos conhecimentos electr\u00f3nicos como engenheiro de baterias de l\u00edtio durante mais de 4 anos, sou agora o principal respons\u00e1vel pela reda\u00e7\u00e3o de conte\u00fados sobre baterias de l\u00edtio e gostaria de partilhar as minhas opini\u00f5es convosco.\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c22419b elementor-widget elementor-widget-heading\" data-id=\"c22419b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\">Publica\u00e7\u00e3o relacionada<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3104d197 elementor-grid-3 elementor-grid-tablet-2 elementor-grid-mobile-1 elementor-posts--thumbnail-top elementor-widget elementor-widget-posts\" data-id=\"3104d197\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;classic_columns&quot;:&quot;3&quot;,&quot;classic_columns_tablet&quot;:&quot;2&quot;,&quot;classic_columns_mobile&quot;:&quot;1&quot;,&quot;classic_row_gap&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:35,&quot;sizes&quot;:[]},&quot;classic_row_gap_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;classic_row_gap_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"posts.classic\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-posts-container elementor-posts elementor-posts--skin-classic elementor-grid\" role=\"list\">\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-26658 post type-post status-publish format-standard has-post-thumbnail hentry category-battery-industry category-battery-materials category-top-battery-list tag-battery tag-cell\" role=\"listitem\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/batteryswapstation.com\/pt\/top-10-ternary-cathode-material-manufacturer\/\" tabindex=\"-1\" >\n\t\t\t<div class=\"elementor-post__thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"225\" src=\"https:\/\/batteryswapstation.com\/wp-content\/uploads\/2023\/07\/top-10-ternary-cathode-material-manufacturer-in-china-in-2023-300x225.webp\" class=\"attachment-medium size-medium wp-image-26659\" alt=\"os 10 principais fabricantes de materiais para c\u00e1todos alternativos na china em 2023\" title=\"\" \/><\/div>\n\t\t<\/a>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<div class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/batteryswapstation.com\/pt\/top-10-ternary-cathode-material-manufacturer\/\" >\n\t\t\t\tOs 10 principais fabricantes de material cat\u00f3dico tern\u00e1rio na China em 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href=\"https:\/\/batteryswapstation.com\/pt\/byd-battery-vs-tesla-battery\/\" aria-label=\"Ler mais sobre Bateria BYD vs Bateria Tesla - compara\u00e7\u00e3o de tecnologias\" tabindex=\"-1\" >\n\t\t\tLer mais \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Este artigo apresenta a bateria Tesla 4680, incluindo as inova\u00e7\u00f5es tecnol\u00f3gicas, as vantagens de desempenho e as dificuldades na produ\u00e7\u00e3o em massa.<\/p>","protected":false},"author":20,"featured_media":26709,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","_rtcl_gb_attr":"","footnotes":""},"categories":[224,219,227],"tags":[220,221,269],"class_list":["post-26708","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-battery-industry","category-battery-knowledge","category-different-battery-technology","tag-battery","tag-lithium","tag-tesla"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Tesla 4680 battery - technology innovation and industry chain development - TYCORUN<\/title>\n<meta name=\"description\" content=\"This article introduces the Tesla 4680 battery, including the technology innovations, performance advantages and difficulties in mass production.\" \/>\n<meta name=\"robots\" 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