• Electronic waste Cu wires were successfully used as a cost-effective current collector for high-energy wire-type rechargeable alkaline batteries.

• The scalable approach was applied to reduce, reuse, and recycle electronic waste.

• A developed wire-type rechargeable alkaline battery exhibited a high-energy-density of 82.42 Wh kg⁻¹ with long-term cycling stability.

中文翻译：

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高能碱性电池用树枝状纳米结构废铜线

• 
  电子废铜线已成功用作高能线型可充电碱性电池的经济有效的集电器。

• 
  采用可扩展的方法来减少、再利用和回收电子废物。

• 
  开发的线型可充电碱性电池表现出82.42 Wh kg ^-1的高能量密度和长期循环稳定性。