Analysis Summary:

The article's core claim about "ice battery" systems cooling buildings and lowering energy costs is plausible, but the provided sources do not directly verify this specific application. The sources touch on batteries and energy storage in general, but none confirm the specific technology described in the article. Therefore, the factual accuracy is mixed due to lack of direct verification and potential for oversimplification. There's a slight positive bias towards the technology's benefits.

Detailed Analysis:

• Claim:** The "ice battery" system freezes water at night when the cost of electricity is low.
  • Verification Source #1, #2, #3, #4, and #5: These sources do not directly address "ice battery" systems or their specific function of freezing water at night to leverage lower electricity costs. They discuss general battery principles, early battery technologies, and historical contexts of batteries.
  • Internal Knowledge: The concept of using off-peak electricity for cooling storage is a known energy management strategy. However, without specific verification of the "ice battery" system, this remains unverified within the context of the provided sources.
• Claim:** Then, during the day, when the price is high, the building is cooled with the previous night's ice instead of using expensive electricity.
  • Verification Source #1, #2, #3, #4, and #5: These sources do not cover this specific claim.
  • Internal Knowledge: This is the logical continuation of the first claim and aligns with the general principle of thermal energy storage. However, it remains unverified by the provided sources.

Supporting Evidence/Contradictions:

• The provided sources do not offer direct support or contradiction for the claims made in the article. They primarily focus on the history and components of various battery technologies, not on "ice battery" systems used for building cooling.
• Verification Source #1: Mentions "Battery" in a historical context, but not related to the described cooling system.
• Verification Source #2: Mentions "battery 'hungry' devices," but not in the context of energy storage for cooling.
• Verification Source #3 and #5: Show images of zinc electrodes and components used in batteries, but do not relate to ice-based energy storage.
• Verification Source #4: Is irrelevant to the topic.
• Lack of coverage from the provided sources necessitates reliance on internal knowledge to assess plausibility, but this does not constitute verification.