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Title: Direct Observation of Reversible Magnesium Ion Intercalation into a Spinel Oxide Host

Journal Article · · Advanced Materials
 [1];  [1];  [2];  [1];  [3];  [4];  [1];  [2];  [5];  [2];  [2];  [1];  [1]
  1. Univ. of Illinois at Chicago, Chicago IL (United States)
  2. Argonne National Lab. (ANL), Argonne, IL (United States)
  3. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  4. Univ. of Illinois at Chicago, Chicago IL (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  5. Mechanical Engineering, Worcester Polytechnic Institute, Worcester MA (United States); Argonne National Lab. (ANL), Argonne, IL (United States)

Direct evidence of Mg2+ intercalation into a spinel-type Mn2O4 is provided. By com­bining tools with different sensitivities, from atomic-resolution X-ray spectro­scopy to bulk X-ray diffraction, it is demonstrated that Mg2+ reversibly occupies the tetrahedral sites of the spinel structure through the reduction of Mn when the electrochemical reaction is performed.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States); Energy Frontier Research Centers (EFRC) (United States). Northeastern Center for Chemical Energy Storage (NECCES)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
DOE Contract Number:
AC02-06CH11357; SC0001294
OSTI ID:
1248946
Journal Information:
Advanced Materials, Vol. 27, Issue 22; ISSN 0935-9648
Publisher:
Wiley
Country of Publication:
United States
Language:
English

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