English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

Birnessite type manganese dioxides doped with cobalt were synthesized by calcination of a mixture of KMnO4 and Co(NO3)2·6H2O at 600°C in air. The artificial birnessite was consisted of differently stacked slab phases depending on the cobalt content. These birnessites doped with Co exhibited different ratio of two phases; two-layer hexagonal (2H) and three-layer rhombohedral (3R) whose stacking sequences are different but belong to birnessite. The ratio of 3R/2H phases increased with increasing the Co quantity. Their electrochemical performances in Li cells were investigated in a LiClO4-propylene carbonate solution. As a result, the Co-doped birnessite demonstrated the smaller charge transfer resistance and higher reversible capacities than Co-free birnessite.

Calcination Synthesis of Birnessite Type Manganese Dioxides Doped with Cobalt for Rechargeable Li Batteries