Innovative design of portable energy storage device

What are the development directions for mobile energy storage technologies?

Development directions in mobile energy storage technologies are envisioned. Carbon neutrality calls for renewable energies, and the efficient use of renewable energies requires energy storage mediums that enable the storage of excess energy and reuse after spatiotemporal reallocation.

What are the different types of mobile energy storage technologies?

Demand and types of mobile energy storage technologies (A) Global primary energy consumption including traditional biomass, coal, oil, gas, nuclear, hydropower, wind, solar, biofuels, and other renewables in 2021 (data from Our World in Data 2). (B) Monthly duration of average wind and solar energy in the U.K. from 2018 to 2020.

Can ultraflexible energy harvesters and energy storage devices form flexible power systems?

The integration of ultraflexible energy harvesters and energy storage devices to form flexible power systems remains a significant challenge. Here, the authors report a system consisting of organic solar cells and zinc-ion batteries, exhibiting high power output for wearable sensors and gadgets.

What is the energy density of the integrated system?

The integrated system has an energy density greater than 5.82 mWh cm −2, and an overall conversion and storage efficiency of 6.91%, along with excellent operational and storage stability.