Thermoelectric materials are promising in relieving the energy crisis concerning harvesting
waste heat and providing a new environment-friendly self-power source for Internet of …

Due to their special structural characteristics, hollow structures grant fascinating
physicochemical properties and widespread applications, especially in electrochemical …

Low-grade heat (below 373 kelvin) is abundant and ubiquitous but is mostly wasted
because present recovery technologies are not cost-effective. The liquid-state thermocell …

Aqueous zinc-ion batteries (ZIBs) are promising candidates to power flexible integrated
functional systems because they are safe and environmentally friendly. Among the …

Self-charging power systems integrating energy harvesting technologies and batteries are
attracting extensive attention in energy technologies. However, the conventional integrated …

Converting low-grade heat into useful electricity requires a technology that is efficient and
cost effective. Here, we demonstrate a cellulosic membrane that relies on sub-nanoscale …

Ionic thermocells have relatively high thermopowers based on the thermogalvanic effect, but
their small electricity output is still insufficient for practical applications. We demonstrated a …

Civilization continues to be transformed by our ability to harness energy beyond human and
animal power. A series of industrial and agricultural revolutions have allowed an increasing …

More than half of the waste heat rejected into the environment has temperatures lower than
100° C, which accounts for nearly 85 PWh/year worldwide. Efficiently harvesting low-grade …

Abundant and ubiquitous thermal heat called low-grade heat (< 150° C) is wasted in our
surroundings owing to the lack of effective and low-cost energy technologies. Thermo …