以下文章来源于远川科技评论 ，作者徐珊珊 远川科技评论 . 刻画这个时代（的前沿科技） 电池不相信第一性原理。 文 ｜ 徐珊珊 编辑 ｜ 李墨天 来源｜ 远川科技评论（ID：kechuangych） 封面来源 ｜ Unsplash 特斯拉死磕4680电池五年多，最终低调敲响了退堂鼓。 韩国正极材料生产商 L&F 最早走漏风声，公告显示，L&F与特斯拉签订的高镍正极材料供货合同金额从29亿美元缩水到7386美元，减值超99%。这种砍 单行为，几乎等同于项目黄了。 双方在2023年2月签署为期两年的供应合同，订单金额相当于L&F年营收的四倍，堪称天上掉馅饼，没想到馅饼掉了一半，又飞回去了。 L&F的高镍正极材料为特斯拉4680电池定制，是特斯拉"低成本电池-廉价车型"计划的关键环节。此后，特斯拉4680电池一直处于"停工"和"量产"的薛定 谔状态。 随着核心供应商意外爆料，特斯拉雄心勃勃的计划似乎走到了尽头。 Cybertruck不背锅 特斯拉电池日披露的三种电池方案 一般来说，电池正极的镍含量越高，对应能量密度就越高，续航表现越好。用于Cybertruck和Semi这种又大又重的车型上，可谓棋逢对手将遇良才。 ...

Core Insights - The Chinese photovoltaic industry is experiencing a price recovery in the market for polysilicon, silicon wafers, battery cells, and modules, with year-on-year increases of 31.6%, 6.8%, 6.5%, and stable prices respectively as of January to September 2025. However, production volumes for polysilicon and silicon wafers have decreased by 32.8% and 12.5% respectively, while battery cell and module production have increased by 8.8% and 12.2% respectively [1] Group 1 - The photovoltaic industry is still in a period of transformation and deep adjustment, despite the positive price trends [1] - The BC battery technology is viewed as a key direction for future development in the photovoltaic market due to its higher efficiency and cost reduction potential [1] Group 2 - The current market competition is heavily focused on efficiency, with various technologies approaching their theoretical efficiency limits. BC batteries currently have a conversion efficiency of 27.5%, with a theoretical limit exceeding 29% [2] - The market share of PERC batteries has dropped to 11.2%, while TOPCon batteries dominate with a market share of 88.3%. BC batteries are expected to reach a market share of 10% by the end of 2025, indicating significant growth potential [3] Group 3 - Reducing costs is a major focus for the photovoltaic industry, with silver paste costs accounting for 27% of battery cell costs and 12% of total module costs as of December 2024 [4] - The rising price of silver has led to increased costs for high-temperature silver paste, prompting the industry to explore alternatives such as copper paste, which is cheaper and has better conductivity [4][5] Group 4 - Innovation is essential for the healthy and orderly development of the photovoltaic industry, with companies encouraged to accelerate technological innovation and improve product quality to strengthen their competitive edge [6]

作为产业报道的头部媒体，过往我们对产品报道并不多，但产品报道才是对消费者选车、购车，以及车企造车、卖车最有帮助的文字。 于是，我们决定重塑产品观察栏目，分为MAX，PRO两个不同类型： 产品MAX邀请了车企及供应链企业的专业人士，听听他们选车和购车时关注的重点，为消费者提供有效建议； 以下文章来源于36氪汽车 ，作者韩永昌 36氪汽车 . 看懂汽车产业新百年。36氪旗下智能电动车产业报道公号。 产品PRO则邀请了连续购买多辆新能源车的资深车主，为固定品牌和细分市场提供真实意见。 文 ｜ 韩永昌 编辑 ｜ 张博文 来源｜ 36氪汽车（ID：EV36Kr） 封面来源 ｜ IC photo 这是第一期栏目，我们邀请了一位拥有约10年动力电池研发经验的专业人士，他经历了中国新能源车崛起的整个过程，在车企、 电池企业都有工作经历，也亲手开发了多款电池包。 他分享了一些如何选择电池、电车，以及日常生活中如何养护电池的经验。但至今他依然在开油车，他的同事们也开油车居多， 让我们来看看他怎么说 36氪：你去看车的时候，你会特别关注这个电池是谁们家的吗？ 工程师： 如果是三元电池，我就会特别关注。因为在我们自己开发的角度来看， ...

Core Insights - The article discusses the importance of product reporting in the automotive industry, particularly for consumers and car manufacturers [1] Group 1: Product Insights - The new product observation column is divided into two types: MAX and PRO, aimed at providing effective advice to consumers and real opinions from experienced electric vehicle owners [2] - An engineer with around 10 years of experience in battery development shares insights on choosing batteries and electric vehicles, emphasizing the safety of lithium iron phosphate batteries over ternary batteries [2][9] - The engineer suggests that for vehicles priced above 200,000 yuan, paying a premium for a reputable battery brand like CATL is acceptable [3] Group 2: Charging and Battery Maintenance - The engineer recommends a charging rate of 2C for personal use, arguing that faster charging (4C) is unnecessary and can reduce battery lifespan [4] - Proper battery maintenance includes avoiding high temperatures and high state of charge (SOC) storage, with optimal usage being between 10% and 90% charge [19] Group 3: Market Trends and Consumer Behavior - There is a tendency among battery industry professionals to avoid purchasing vehicles equipped with their own company's batteries due to cost-cutting concerns [5][8] - The engineer recommends purchasing vehicles from manufacturers with high sales volumes, such as those using CATL batteries or BYD, as they are likely to have better quality control [10][15] Group 4: Safety Standards and Regulations - The new national standards for batteries are the strictest yet, but they still represent minimum requirements, and compliance does not guarantee that batteries will not catch fire or explode [20][21] - The article highlights that while new standards are in place, they do not account for all real-world driving conditions, and caution is still advised when it comes to battery safety [21]