钠离子电池和干电池的核心区别是什么？

What are the core differences between sodium-ion batteries and dry batteries?

二者分二次可充、一次不可充电池，九大核心差异。一充放电属性：钠二次可循环充放电 3000 次；锌锰干电池一次使用，电量耗尽直接报废不可充电。二储能机理：钠离子嵌入脱出可逆反应；干电池锌负极不可逆腐蚀消耗。三循环寿命：钠数千次，干电池仅单次放电。四自放电：钠月损耗 2%~4%；普通干电池年自放电 30% 以上，保质期短。五能量供给：钠支持大功率持续放电，适配车辆、储能；干电池小电流微功耗，仅遥控器、钟表。六低温表现：钠 - 20℃稳定输出；干电池 0℃以下容量骤降，冬季失效。七成本模式：钠单次使用成本极低，可重复复用；干电池一次性采购长期累计支出高。八环保回收：钠可完整再生闭环；干电池拆解价值极低，多作为普通固废。九应用定位：钠大规模储能、动力设备；干电池小型低功耗一次性数码配件。

They belong to rechargeable secondary and disposable primary batteries with nine core distinctions. 1. Chargeability: Sodium-ion cells are rechargeable for 3,000 cycles; zinc-manganese dry batteries are single-use and scrapped after depletion without recharging. 2. Storage mechanism: Reversible sodium intercalation vs irreversible zinc anode corrosion for dry cells. 3. Cycle life: Thousands of cycles for sodium, only single discharge for dry batteries. 4. Self-discharge: Monthly sodium loss 2%~4%; dry batteries lose over 30% annually with short shelf life. 5. Power output: Sodium supports continuous high-power discharge for vehicles & storage; dry batteries only fit tiny low-current loads like remotes and clocks. 6. Low-temperature performance: Stable sodium output at -20℃; dry battery capacity plummets below 0℃ and fails in winter. 7. Cost model: Ultra-low single-use cost via repeated sodium recycling; accumulated high expense of disposable dry cells. 8. Recycling: Complete closed-loop regeneration for sodium; dry batteries hold minimal recovery value and treated as general solid waste. 9. Application positioning: Sodium for large-scale storage and power equipment; dry batteries for miniature disposable digital accessories.