Dear Dr. Sun,

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Academic Editor

PLOS One

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Reviewers' comments:

Reviewer's Responses to Questions

Comments to the Author

1. Is the manuscript technically sound, and do the data support the conclusions?

Reviewer #1: Yes

Reviewer #2: Yes

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2. Has the statistical analysis been performed appropriately and rigorously? -->?>

Reviewer #1: I Don't Know

Reviewer #2: Yes

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3. Have the authors made all data underlying the findings in their manuscript fully available??>

The PLOS Data policy

Reviewer #1: No

Reviewer #2: Yes

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4. Is the manuscript presented in an intelligible fashion and written in standard English??>

Reviewer #1: Yes

Reviewer #2: Yes

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Reviewer #1: This is good work, but needs more details explaining the experimental setup and the sources of the deviation in the resonant frequencies in the modules. I'd like to know the system behavior at even smaller distances.

Reviewer #2: 1. The manuscript presents a well-designed and experimentally validated underwater acoustic wireless power transfer system, which is both timely and relevant.

2. The use of a composite rod piezoelectric transducer array is innovative and demonstrates a meaningful advancement in underwater energy transmission.

3. The authors provide comprehensive experimental validation, which strengthens the credibility of the proposed system.

4. The authors execute the integration of simulation and experimental results well, demonstrating good agreement.

5. The study addresses an important challenge in underwater wireless charging, particularly for marine and autonomous systems.

6. The design of the 9x9 transducer array with high directivity is technically sound and easy to understand.

7. The manuscript contributes useful insights into acoustic wave-based energy transfer mechanisms.

8. The results, although with modest efficiency, provide a solid foundation for future optimization and scaling.

9. The work is methodologically structured, with clear sections on design, fabrication, and testing.

10. With improvements in language, discussion, and comparative analysis, the manuscript is suitable for publication.

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what does this mean?). If published, this will include your full peer review and any attached files.

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Reviewer #1: Yes:  Christian Mai

Reviewer #2: Yes:  Gurumurthy BR

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Attachments

Attachment

Submitted filename: Gurumurthy BR.docx

<p>Development and Experimental Validation of a Composite Rod Underwater Acoustic Wireless Charging System

PONE-D-26-06324R1

Dear Dr. Sun,

We’re pleased to inform you that your manuscript has been judged scientifically suitable for publication and will be formally accepted for publication once it meets all outstanding technical requirements.

Within one week, you’ll receive an e-mail detailing the required amendments. When these have been addressed, you’ll receive a formal acceptance letter and your manuscript will be scheduled for publication.

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Kind regards,

Sushank Chaudhary, Ph.D

Academic Editor

PLOS One

Additional Editor Comments (optional):

Reviewers' comments:

Reviewer's Responses to Questions

Comments to the Author

Reviewer #2: All comments have been addressed

**********

2. Is the manuscript technically sound, and do the data support the conclusions??>

Reviewer #2: Yes

**********

3. Has the statistical analysis been performed appropriately and rigorously? -->?>

Reviewer #2: N/A

**********

4. Have the authors made all data underlying the findings in their manuscript fully available??>

The PLOS Data policy

Reviewer #2: Yes

**********

5. Is the manuscript presented in an intelligible fashion and written in standard English??>

Reviewer #2: Yes

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Reviewer #2: • All the comments of the reviewers have been considered by the authors and the recommended corrections have been included well.

• The updated paper explains the experimental set up and transducer array configuration in a better way.

• The explanation of the deviation of resonance frequencies and the inability of manual assembly makes a great contribution to the technical understandability of the work.

• The additional description of the acoustic behavior at far and near fields enhances the scientific rationale of the experimental methodology.

• In the revised manuscript, there is a good consistency in simulation and experimental validation results.

• The figures, especially the new high-resolution Figure 5, have been made more qualified and clearer by the authors.

• The structure of the manuscript, the level of language and the presentation of the technical work have become better than before the revision.

• The introduction of updated data availability data and funding corrected information is suitable to the journal requirements.

• The work has significant experimental findings in the field of underwater acoustic wireless charging and is now technically viable.

• The revised version of the manuscript can be published and accepted.

**********

what does this mean?). If published, this will include your full peer review and any attached files.

If you choose “no”, your identity will remain anonymous but your review may still be made public.

Do you want your identity to be public for this peer review?  For information about this choice, including consent withdrawal, please see our Privacy Policy

Reviewer #2: Yes:  Gurumurthy BR

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Attachments

Attachment

Submitted filename: Gurumurthy B.R.docx