Transition metal sulfides are appealing electrode materials for lithium and sodium batteries
owing to their high theoretical capacity. However, they are commonly characterized by rather …

Using carbon black and formamide as raw materials, a N-doped carbon black electrocatalyst
(NC) with good performance was prepared by a simple method for the electrochemical CO 2 …

Abstract Pt/C and PtSnO 2/C (20 wt% of metal loadings on carbon) containing cubic Pt
nanoparticles with preferential Pt (100) orientation synthesized by an alcohol-reduction …

Cobalt doped LaMnO 3-graphene composites are prepared by sol-gel process assisted with
chelating effect of citric acid. The structure, morphology and valence state of samples are …

Nickel selenide and nickel nanoparticles integrated into a three-dimensional N-doped
porous carbon matrix (NiSe/Ni/NC) have been developed as bi-functional electrocatalysts …

Abstract Tremella-like δ-MnO 2 (T–MnO 2), mixed tremella and short belt-like α-MnO 2 (M–
MnO 2), and long belt-like α-MnO 2 (B–MnO 2) are prepared hydrothermally by varying the …

Nitrogen-doped carbon (N–C) catalysts can potentially offer high ORR (oxygen reduction
reaction) electrocatalytic activity comparable to Pt/C catalysts. Here, we establish a …

Pure graphitic nitrogen (GN) was doped on carbon black by Hummers method and a
following heat treatment was used to transform the GN to pyridinic (P)-N. An oxygen …

In this work, a N-doped highly porous carbon material with multi-level pores and high activity
for oxygen reduction reaction (ORR) is successfully prepared by carbonizing pig bones …

Catalysts with low‐cost, high activity and stability toward oxygen reduction reaction (ORR)
are extremely desirable, but its development still remains a great challenge. Here, a novel …