Tuning the p‐Orbital Electron Structure of s‐Block Metal Ca Enables a High‐Performance Electrocatalyst for Oxygen Reduction
Z Lin, H Huang, L Cheng, W Hu, P Xu… - Advanced …, 2021 - Wiley Online Library
Most previous efforts are devoted to developing transition metals as electrocatalysts guided
by the d‐band center model. The metals of the s‐block of the periodic table have so far …
by the d‐band center model. The metals of the s‐block of the periodic table have so far …
Fibrillar calcium silicate hydrate seeds from hydrated tricalcium silicate lower cement demand
Debates remain on the influencing factor and long-term performance of CSH-seeded paste.
In this study, phase-pure seeds were prepared from diluted Ca 3 SiO 5 hydration. The seed …
In this study, phase-pure seeds were prepared from diluted Ca 3 SiO 5 hydration. The seed …
The chemistry and structure of calcium (alumino) silicate hydrate: a study by XANES, ptychographic imaging, and wide-and small-angle scattering
Calcium (alumino) silicate hydrate (C-(A-) SH) is the main binding phase in blended cement
concrete. Understanding the chemistry and structure of C-(A-) SH is essential to optimizing …
concrete. Understanding the chemistry and structure of C-(A-) SH is essential to optimizing …
Structure and intrinsic mechanical properties of nanocrystalline calcium silicate hydrate
Nanocrystalline calcium silicate hydrate (C–S–H) is the binding phase of many low-CO2
cements. Understanding its structure–mechanical properties relationship is critical in …
cements. Understanding its structure–mechanical properties relationship is critical in …
Coordination environment of Si in calcium silicate hydrates, silicate minerals, and blast furnace slags: A XANES database
Understanding the silicate polymerization of calcium silicate hydrate (CSH) gel and its
crystalline polymorphs is important in cement science. NMR can determine Si environments …
crystalline polymorphs is important in cement science. NMR can determine Si environments …
The first experimental evidence for improved nanomechanical properties of calcium silicate hydrate by polycarboxylate ether and graphene oxide
J Li, Q Zheng - Cement and Concrete Research, 2022 - Elsevier
Graphene oxide (GO) efficiently enhances macroscale mechanical properties of cement-
based materials. Yet the nanoscale reinforcing mechanism of GO for calcium silicate hydrate …
based materials. Yet the nanoscale reinforcing mechanism of GO for calcium silicate hydrate …
The Hydration of β- and α′H-Dicalcium Silicates: An X-ray Spectromicroscopic Study
Dicalcium silicate (C2S) is an important clinker mineral in Portland and belite-calcium
sulfoaluminate cement. However, there is still a lack of information on the local degree of …
sulfoaluminate cement. However, there is still a lack of information on the local degree of …
Determine the coordination of Al and Si of Fe-rich fly ash: The challenge in NMR and how we probe its heterogeneity using X-ray spectromicroscopy
Scanning transmission X-ray microscopy (STXM) coupled with ptychographic imaging at Al
and Si K-edge is a new probe to the microscale chemistry of heterogenous materials. Here …
and Si K-edge is a new probe to the microscale chemistry of heterogenous materials. Here …
Atomic and nano-scale characterization of a 50-year-old hydrated C3S paste
This paper investigates the atomic and nano-scale structures of a 50-year-old hydrated alite
paste. Imaged by TEM, the outer product C–S–H fibers are composed of particles that are …
paste. Imaged by TEM, the outer product C–S–H fibers are composed of particles that are …
Characterization of the bonds developed between calcium silicate hydrate and polycarboxylate-based superplasticizers with silyl functionalities
Major developments in concrete technology have been achieved with the use of
polycarboxylate-based superplasticizers (PCEs) to improve the concrete rheology without …
polycarboxylate-based superplasticizers (PCEs) to improve the concrete rheology without …