DataVXACS Energy LettersPaper
journal article·2025-04-11

A Janus Membrane with Asymmetrical Proton Transport for Cross-Communication Harmony for an Extreme Lean Electrolyte Zn–V Battery

Chaozheng Liu, Bo Lin, Zhenglin Li, Chuhang Liu, Yao Wang, Weimin Chen, Wangwang Xu, Mei-Chun Li, Shu Hong, Lei Zhang, Pei Yang, Min Wang, Kangning Zhao, Changtong Mei

ACS Energy Letters· Volume 10· Issue 4
Publisher page
Source abstract

Abstract

The Zn metal anode demands a reduction in water activity and proton concentration to prevent undesirable side reactions, while the V-based cathode necessitates water as a “lubricant” and protons as intercalation guests, presenting a challenge in balancing these needs. Herein, we report a Janus membrane with asymmetrical proton transport for cross-communication harmony in Zn–V batteries, designed to harmonize these contrasting requirements. The MXene-rich phase blocks the proton/water transport through the F-termination site and effectively suppresses dendrite formation through epitaxial growth. Meanwhile, the proton selective cellulose-rich phase (H + /Zn 2+ selectivity of over 21) stabilizes the cathode/electrolyte interface by capturing dissolved vanadium and enhancing proton intercalation into the cathode. This designed Janus membrane enables a practical Zn–V full battery at a high depth of discharge of 66.7% and extreme lean electrolyte (1 g/Ah) conditions, enabling the high energy zinc battery (214.8 Wh/kg electrode ). Our approach introduces a sustainable separator for long-lasting, high-performance zinc metal batteries.
Source: openalex_inverted_index · Quality: baseline

Research context

Energy storage

OpenAlex topics: Advanced battery technologies research · Advanced Battery Technologies Research · Supercapacitor Materials and Fabrication

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Materials Science and Engineering

Nanjing Forestry University

Mechanical & Industrial Engineering Department

Louisiana State University

School of Petroleum Engineering

China University of Petroleum (East China)

Hollingsworth & Vose (Suzhou) Co. Ltd.

School of Materials Science and Engineering

Wuhan University of Technology

CAS Key Laboratory of Green Process and Engineering, State Key Laboratory of Mesoscience and Engineering, Beijing Key Laboratory of Ionic Liquids Clean Process, Institute of Process Engineering

Chinese Academy of Sciences (CAS)

School of Physical Sciences

Great Bay University

Funding

Natural Science Research of Jiangsu Higher Education Institutions of China · China Postdoctoral Science Foundation · Natural Science Foundation of Jiangsu Province · Nanjing Forestry University · National Natural Science Foundation of China

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