当电池耗尽时,可以去哪里?
Raymond Kwesi Nutor1, Waleed Mohammed1, Se-Ho Kim1,2
1Max-Planck-Institute for Sustainable Materials, 40237, Düsseldorf, Germany.
Advanced science (Weinheim, Baden-Wurttemberg, Germany)
|November 17, 2025
概括
回收电动汽车 (EV) 电池面临着污染的挑战. 这项研究提出了一种新的方法,使用不纯作为钢中的合金元素,从电池废弃物中制造高价值材料.
科学领域:
- 材料科学 材料科学 材料科学
- 金工业是一种金工业.
- 可持续工程 可持续工程
背景情况:
- 电动汽车 (EV) 的采用正在激增,这导致了严重的寿命末期电池挑战.
- 目前的电动汽车电池回收方法通常会导致受污染的材料,限制重复使用,特别是 (Al).
- 由于污染,来自电池废弃物的不纯不能直接在新电池中重复使用.
研究的目的:
- 开发一项创新的回收策略,用于使用终止的电动汽车电池.
- 将被污染的电池衍生转化为一种有价值的资源.
- 研究使用不纯Al作为Fe基合金中的合金元素的潜力.
主要方法:
- 开发了一种替代的回收方法,用于电池衍生的.
- 使用 Fe 基合金,控制 Al 含量.
- 应用热力学处理来创建特定的微观结构.
- 进行了纳米尺度的表征,以分析沉物和杂质分离.
主要成果:
- 通过将其作为Fe基合金中的关键合金元素,成功中和了Al中的杂质影响.
- 实现了与双相 (DP) 和转化诱导可塑性 (TRIP) 钢相提并论的奥氏体/铁矿微结构.
- 确定了局部化的B2纳米沉物和影响骨折行为的杂质分离.
- 从受污染的电池废料中证明了高价值合金的形成.
结论:
- 拟议的方法为EV电池回收提供了一个可扩展和可持续的方法.
- 污染的电池衍生的Al可以有效地用于先进的合金开发.
- 这种回收策略将废物转化为有价值的资源,减少对环境的影响,节约金属资源.
相关概念视频
03:12Batteries and Fuel Cells
30.7K
A battery is a galvanic cell that is used as a source of electrical power for specific applications. Modern batteries exist in a multitude of forms to accommodate various applications, from tiny button batteries such as those that power wristwatches to the very large batteries used to supply backup energy to municipal power grids. Some batteries are designed for single-use applications and cannot be recharged (primary cells), while others are based on conveniently reversible cell reactions that...
30.7K
02:47Voltaic/Galvanic Cells
62.9K
Spontaneous Chemical Reactions
Spontaneous redox reactions occur abundantly in nature. The chemical reaction occurring in a disposable AA battery powering our remote controls is one such example of a spontaneous redox reaction. Another example is the immersion of coiled copper wire into an aqueous silver nitrate solution. The reaction shows a gradual, visually impressive color change from colorless to bright blue and the formation of a grey precipitate on the copper wire. In this experiment,...
Spontaneous redox reactions occur abundantly in nature. The chemical reaction occurring in a disposable AA battery powering our remote controls is one such example of a spontaneous redox reaction. Another example is the immersion of coiled copper wire into an aqueous silver nitrate solution. The reaction shows a gradual, visually impressive color change from colorless to bright blue and the formation of a grey precipitate on the copper wire. In this experiment,...
62.9K
03:06Alkali Metals
24.1K
Group 1 elements are soft and shiny metallic solids. They are malleable, ductile, and good conductors of heat and electricity. The melting points of the alkali metals are unusually low for metals and decrease going down the group, while the density increases going down the group with the exception of potassium (Table 1).
Table 1: Properties of the alkali metals
Table 1: Properties of the alkali metals
24.1K
01:08Electrodeposition
1.2K
Electrodeposition is a technique used to separate an analyte from interferents by electrochemical processes. Here, the analyte is a metal ion that can be deposited on an electrode immersed in the sample solution. The electrochemical setup consists of an anode and a cathode. When an electric current is applied to the setup, oxidation occurs at the anode. At the cathode, which consists of a large metal surface, metal ions undergo reduction and deposit onto the surface.
Electrodeposition can...
Electrodeposition can...
1.2K
01:21Fatigue
787
Fatigue occurs when materials rupture under repeated or fluctuating loads, even at stress levels far below their static breaking strength. It typically results in brittle failure, even for ductile materials. It is a critical consideration in designing machines and structural components subjected to repetitive or varying loads. The nature of these loadings can range from fluctuating loads like unbalanced pump impellers causing vibrations to repeatedly bending a thin steel rod wire back and forth...
787
01:21DC Battery
1.2K
A conductor needs to be a component of a path that creates a closed loop or full circuit to have a continuous current flowing through it. A current starts to flow if an electric field is created inside an isolated conductor that is not part of a full circuit. The conductor quickly develops a net positive charge at one end and a net negative charge at the other. These charges generate an electric field opposite the direction of the applied electric field, which reduces the current. Eventually,...
1.2K