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提供端到端解决方案,推动循环经济发展

巴斯夫针对所采购的材料制定并切实执行循环解决方案,致力于协助全球汽车制造业实现锂离子电池循环利用 “闭环” 。点解下图了解巴斯夫在电池价值链各环节所作出的贡献。

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电池材料生命周期

放眼全球市场,电动汽车市场份额涨势迅猛,这预示着汽车制造业将迈向一个更可持续的未来。

锂离子电池正是促成这一颠覆性变革的关键力量。作为全球领先的锂离子电池材料供应商,巴斯夫催化剂业务部的服务宗旨是为打造一条可持续电池材料价值链作出贡献,以期实现电动汽车人人可享。

作为首屈一指的汽车制造业用化学品供应商,巴斯夫在电池价值链各个环节均承担起相应责任,已做好充分准备跻身面向全球的可持续正极活性材料 (CAM) 生产商之列。我们致力于减少电动汽车的 CO2 排放量,并努力成为可靠的合作伙伴,支持客户不断发展。

点击转轮,我们邀请您一起探索锂离子电池(正极材料)生命周期循环

金属矿石开采及精炼

锂离子电池的生命周期始于地下—其原材料为开采自矿床的锂、镍、钴等金属矿石。

原料被投入溶液进行浸出,再通过沉淀、溶剂萃取或离子交换工艺提纯。提纯的溶液经过蒸发结晶后,得到金属硫酸盐晶体。

以扩大地方材料来源为目标,巴斯夫建立了稳定的合作伙伴关系,从而确保高纯度金属的安全供应。

1

PCAM 生产

正极材料前驱体 (PCAM) 经共沉淀法制成,是一种含镍、钴等化学成分的复合金属氢氧化物。

巴斯夫融入逆向设计理念,为其 PCAM 生产打造了一条稳定且可持续的金属材料供应链。巴斯夫在欧洲开办的新前驱体工厂将 100% 使用由水力、风能和生物质能等清洁能源发电系统生产的电力。工厂邻近一家金属精炼厂,可确保镍、钴供应的安全性和稳定性,同时能够减少碳足迹。

2

CAM 生产

正极活性材料 (CAM) 是锂离子电池的关键材料,在提高电池性能和安全性及降低成本方面也发挥着不可或缺的作用。

巴斯夫推出的专用正极活性材料产品组合具有能量密度高、可靠性高和效能高等特点,有助于电动汽车专用锂离子电池技术发挥更大作用。通过集中力量实现在地理位置上更加靠近客户,同时不断提高自身产品组合竞争力、保障可持续原材料供应,巴斯夫的业务版图在全球范围内不断扩张。2022 年,巴斯夫将成为首家有能力在所有关键区域开展生产制造活动的全球供应商。

3

电芯电池单元制造

正极活性材料送交电池生产商后,在电芯)生产线上进行加工处理。制成的电芯被组装成电池模块,最终交付给电动汽车制造商 (OEM)。

巴斯夫的创新材料和技术可提高电动汽车电池的性能。

4

终端产品制造 (OEM)

电池成品被安装在电动汽车和插电式混合动力汽车上。

由于能够使用可再生能源为其电池充电,电动出行方式可大幅度改善空气质量,尤其是城市空气质量。

5

二次利用

当汽车达到使用年限将被报废时,可将电池拆下,另作他用。例如,可将这些电池用作太阳能发电装置的固定式储能系统,由此赋予电池 “二次生命” 。

6

回收与循环利用

当电池容量不足以支撑实现其既定用途时,电池便进入回收利用阶段。电池包被回收、拆解并进行破碎处理。

破碎的材料经一系列筛分程序处理后,产生一种含有大量锂、锰、钴和镍成分的 “黑色物质” 。对这种 “黑色物质” 进行精炼后得到的金属硫酸盐又可用于生产正极材料前驱体。如此一来,锂离子电池循环利用流程即形成了闭环,以高度可持续的方式满足了人们对关键金属日益增长的需求,同时大大减少了碳足迹。

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