Today's world is energy driven and batteries have become an integral part as an energy source considering the technological advances in consumer electronics to electric vehicles, renewables, and smart grids. Batteries are energy limited and require recharging. Recharging batteries with solar energy by means of solar cells can offer a convenient option for smart consumer electronics. Meanwhile, batteries can be used to address the intermitt. Today's world is energy driven and batteries have become an integral part as an energy source considering the technological advances in consumer electronics to electric vehicles, renewables, and smart grids. Batteries are energy limited and require recharging. Recharging batteries with solar energy by means of solar cells can offer a convenient option for smart consumer electronics. Meanwhile, batteries can be used to address the intermittency concern of photovoltaics.This perspective discusses the advances in battery charging using solar energy. Conventional design of solar charging batteries involves the use of batteries and solar modules as two separate units connected by electric wires. Advanced design involves the integration of in situ battery storage in solar modules, thus offering compactness and fewer packaging requirements with the potential to become less costly. This advancement can be advantageous for consumer electronics where space, size, and packaging requirements hold greater value. Three major metrics, namely energy density, efficiency, and stability, have been addressed by presenting relevant challenges and potential opportunities. The integrated design is still in the early R&D phase. There is a need for innovative designs that explore high-capacity, efficient, and stable materials. Meanwhile, to demonstrate its practical viability, this integrated design should also focus on r. Energy for a sustainable future motivates today's R&D, enabling technologies such as smart consumer electronics, electric vehicles, and smart grids. These technologies demand the use of batteries. Sunlight, an abundant clean source of energy, can alleviate the energy limits of batteries, while batteries can address photovoltaic intermittency. This. photochargingphoto rechargeable batterysolar rechargeable batteryperovskite solar celllithium-ionredox flow batterysolar batterywearablesDrive for New Technologies for a Sustainable FutureToday's mass consumers heavily rely on energy technologies and their ongoing development. Three key technologies that encompass the present energy scenario are smart consumer electronics, electric vehicles, and smart grids. Smart electronics depend on capacity-limited batteries, making recharging a necessity. Continuing advancement in consumer electronics demands additional battery power. With the mobility delivered to users by modern technology, frequent recharging of the electronics using a wired connection seems inhibiting. Solar or photovoltaics (PV) provide the convenience for battery charging, owing to the high available power density of 100 mW cm−2 in sunlight outdoors.Sustainable, clean energy has driven the development of advanced technologies such as battery-based electric vehicles, renewables, and smart grids. Electric vehicles currently represent a thriving market. Although electric vehicles do not produce carbon emissions, users charge the vehicles using, typically, fossil-fuel-generated grid electricity. Unless the vehicle is charged with electricity generated by renewable resources, electric vehicles for sustainability hold less significance. Additionally, the inflexibility of charging stations challenges the large-scale practical applications of battery-based electric vehicles. Distributed generation such as PV is most suitable among re. The authors acknowledge support from NASA EPSCoR (NNX14AN22A), NSF-MRI (grant 1428992), and the project was benefitted from US-Egypt Science and Technology Joint Fund from USAID through NAS (2000007144). This article is derived from the Subject Data funded in whole or part by NAS and USAID, and any opinions, findings, conclusions, or recommendation.
