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What is a sodium-ion battery?

How sodium-ion batteries work, what they are made from and where they make practical sense.

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How sodium-ion batteries work

A cell-level tour of the cathode, hard-carbon anode, electrolyte, separator and current collectors.

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Sodium-ion battery pros and cons

The genuine advantages, current drawbacks and marketing claims that need qualification.

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Sodium-ion battery lifespan and cycle life

How to read cycle claims, throughput warranties and early-life evidence.

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A short history of sodium-ion batteries

From 1980s research to commercial vehicles and UK home storage.

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Nine sodium-ion battery myths checked

Clear answers to claims about salt, fire, cost, range and mineral use.

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Sodium-ion battery FAQ

Straight answers to the most common sodium-ion questions.