Exhibit 23.5

Independent Registered Public Accounting Firm’s Consent

We consent to the use in this Registration Statement on Form S-1 of our report dated August 1, 2024 relating to the financial statements of International Battery Metals Ltd. appearing in this Registration Statement. We also consent to the reference to us under the heading “Experts” in such Registration Statement.

/s/ Marcum llp

Houston, Texas

July 30, 2025