Read article: Can surface treatments enable commercial perovskite solar cells?
Progress towards tackling the instability of perovskites fuels hope for their future commercialization
Read article: How have solar cells undercut coal?
Martin Green describes the physics and politics that have helped and hindered photovoltaic energy suppliers to finally outbid fossil fuels
Read article: Multilayer design makes conducting stretchable batteries
Conductors that stay conducting even when stretched by 300% in any direction could find use in a new generation of deformable and wearable electronic devices
Read article: Artificial muscles go with the twist
Three new fibre-based actuator designs have high energy densities, are lightweight and fast
Read article: Liquefied gas electrolyte improves lithium-ion anodes
It also withstands temperatures down to –60 °C and prevents the all-important problem of dendrite formation
Read article: Emerging photovoltaic technology efficiencies line up
The first ever efficiency table for emerging technologies goes live for photovoltaic researchers
Read article: Simple system brings body-powered electricity a step closer
A wearable and implantable device provides a cheap and practical means of producing and storing energy from human movements
Read article: Water-based batteries enable a green energy future
A potassium-ion cell with a water-based electrolyte shows competitive performance for safe and low-cost green energy storage
Read article: Graphite lithium-ion batteries get a boost from halogen intercalation
Novel halogen conversion and intercalation into graphite boasts unprecedented battery capacity while maintaining excellent reversibility
Read article: Batteries for electric vehicles, advances in radiotherapy, squid-inspired blankets
Physics World journalists report from recent events in materials science and medical physics
