2021.02.26
Why ceramic electrolytes are difficult to manufacture at scale
Ceramic electrolytes need more than high conductivity: they need clean interfaces, controlled porosity, and a repeatable sintering window.
Views 6,265Comments 7
ENERGY MATERIALS
Energy Materials
2022.12.18
Sodium-ion batteries are changing the rules of cathode design
Sodium is abundant, but its larger ions force engineers to rethink crystal structure, cycle life, and low-temperature performance.
Views 18,515Comments 9
2023.09.19
The silicon anode problem is really a mechanical problem
Silicon can store much more lithium than graphite, yet repeated expansion turns particle fracture and contact loss into the central design challenge.
Views 14,180Comments 6
2024.12.06
A membrane decides whether a flow battery is useful
In a redox-flow battery, ion-selective membranes must balance conductivity, crossover resistance, chemical stability, and cost.
Views 7,727Comments 9
2025.01.05
The hidden interface inside a perovskite tandem cell
Tandem photovoltaics gain voltage by stacking absorbers, but every extra interface creates a new pathway for recombination and degradation.
Views 6,984Comments 6
2020.07.07
How materials engineers improve a thermoelectric generator
Useful thermoelectrics require electrical transport and heat transport to be tuned in opposite directions, making defects and interfaces decisive.
Views 10,326Comments 8
2021.05.21
Metal hydrides offer a dense but demanding route to hydrogen storage
Hydrogen-storage alloys absorb gas reversibly, but pressure hysteresis, heat management, and cycling stability control their practical value.
Views 5,476Comments 6