电池储能再掀浪潮：LG新能源首次展出新一代46系圆柱电池

Ofweek维科网2025-03-06

3月6日，LG新能源亮相韩国首尔电池储能展览会（InterBattery 2025）。此次展会，LG新能源首次向公众展示了新一代46系列圆柱形电池（4680、4695、46120）。据介绍，与现有电池（2170）相比，该系列电池能量与输出至少提升五倍。相较于沿用十余年的2170电池，46系列几何结构的突破绝非简单的尺寸放大。通过将直径扩大113%、高度提升150%，电池内部活性物质填充量实现几何级...

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2025）。此次展会，LG新能源首次向公众展示了新一代46系列圆柱形电池（4680、4695、46120）。据介绍，与现有电池（2170）相比，该系列电池能量与输出至少提升五倍。相较于沿用十余年的2170电池，46系列几何结构的突破绝非简单的尺寸放大。通过将直径扩大113%、高度提升150%，电池内部活性物质填充量实现几何级增长。更精妙的是，LG工程师在极耳结构上采用全极耳设计，将传统单极耳的电流通路扩展为全域导通模式，使得内阻降低至原有水平的1/5。这种结构创新带来惊人的性能飞跃：单体电芯能量密度突破300Wh/kg门槛，充放电效率有望提升40%。在零下30℃的极端环境中，46系列电池仍能保持85%的容量输出，这项突破性表现彻底改写了寒带地区储能设备的技术标准。在韩国蔚山储能电站的模拟演示中，搭载46120型号的储能系统展现出颠覆性优势。10MWh的储能单元体积缩减37%，系统能量效率却提升至95%以上。更值得关注的是模块化设计的突破——通过标准化接口和智能BMS系统，储能单元可实现类似乐高积木的灵活扩展，这种\"细胞分裂\"式的架构有望彻底解决了传统储能系统扩容难题。46系列电池的量产将引发产业链的重构浪潮。正极材料方面，LG新能源独创的NCMA四元材料实现镍含量91%的突破，钴用量却降至5%以下。在制造环节，全球首条100米/分钟的高速卷绕生产线即将投产，配合AI视觉检测系统，良品率稳定在99.98%的行业新高度。这种垂直整合能力，使得单GWh产能建设成本下降40%，彻底改写动力电池的经济方程式。市场调研机构SNE的最新预测显示，46系列电池的问世将使2026年全球圆柱电池市场实现大规模扩张，其中储能应用占比将首次突破45%。这种技术扩散正在催生新的产业生态：从智能焊接机器人到纳米硅基负极材料，多家上下游企业已加入LG新能源的46系列生态联盟。","kind":"news","is_publish_news":true,"is_publish_highlight":false,"is_publish_live":false,"is_publish_wemedia":null,"editions":null,"column":"","sentiment":"1","news_tag":"productRelease","news_rank":0,"symbols":[],"gpt_button":1,"need_auth":false,"code":"91000000","status":"200"},"commentList":[],"isCommentEnd":true,"newsSizeData":{"likeSize":0,"commentSize":0,"repostSize":0,"favoriteSize":0,"likeStatus":false,"favoriteStatus":false},"APP":{"userAgent":"Mozilla/5.0 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