Operandoinvestigation of aqueous zinc manganese oxide batteries: multi-stage reaction mechanism revealed

Author:

Wu Daren12ORCID,King Steven T.13ORCID,Sadique Nahian13ORCID,Ma Lu4,Ehrlich Steven N.4,Ghose Sanjit4,Bai Jianming4,Zhong Hui4,Yan Shan15,Bock David C.15ORCID,Takeuchi Esther S.1235ORCID,Marschilok Amy C.1235ORCID,Housel Lisa M.15,Wang Lei15ORCID,Takeuchi Kenneth J.1235ORCID

Affiliation:

1. Institute of Energy: Sustainability, Environment, and Equity, Stony Brook University, Stony Brook, New York 11794, USA

2. Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, New York 11794, USA

3. Department of Chemistry, Stony Brook University, Stony Brook, New York 11794, USA

4. National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, New York 11973, USA

5. Interdisciplinary Science Department, Brookhaven National Laboratory, Upton, New York 11973, USA

Abstract

A multi-stage Mn dissolution–conversion charge storage mechanism in aqueous Zn/α-MnO2batteries was revealedvia operandosynchrotron X-ray absorption spectroscopy (XAS) and X-ray diffraction (XRD) as well asex situRaman spectroscopy.

Funder

Brookhaven National Laboratory

Basic Energy Sciences

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science,Renewable Energy, Sustainability and the Environment,General Chemistry

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