Which of the following statements about Zinc-ion batteries is/are correct?

1. Zinc-ion batteries are a type of rechargeable battery that uses zinc ions as the charge carrier.

2. Zinc-ion batteries are considered an expensive alternative to lithium-ion batteries.

3. Zinc-ion batteries require modifications at the electrode, electrolyte, and interfaces due to the thermodynamic instability of zinc with water-based solutions.

Select the correct answer using the code given below: