article thumbnail

Researchers propose reason for capacity loss in metal-oxide battery materials

Green Car Congress

Because of their high energy-storage density, materials such as metal oxides, sulfides, and fluorides are promising electrode materials for lithium-ion batteries in electric vehicles and other technologies. Jing Li, Sooyeon Hwang, Fangming Guo, Shuang Li, Zhongwei Chen, Ronghui Kou, Ke Sun, Cheng-Jun Sun, Hong Gan, Aiping Yu, Eric A.

article thumbnail

SEPTA, Constellation, and Viridity Energy to deploy 8.75MW energy storage system to capture and reuse subway train braking energy

Green Car Congress

An 8.75MW battery storage network which will capture and reuse the energy created by braking subway cars will help Southeastern Pennsylvania Transportation Authority (SEPTA) reduce operating costs, ensure energy resiliency, and support the stability of the electrical grid. Saft will provide the lithium-ion battery technology.

article thumbnail

RPI researchers develop safe, long-cycling Li-metal rechargeable battery electrode; demonstrate Li-carbon battery

Green Car Congress

Capacity and coulombic efficiency versus cycle index of Li-PGN cathodes at a rate of ~1C. O 2 and Li 3 V 1.98 Researchers at Rensselaer Polytechnic Institute have developed a safe, extended cycling lithium-metal electrode for rechargeable Li-ion batteries by entrapping lithium metal within a porous graphene network (Li-PGN).

Recharge 252
article thumbnail

ARPA-E Selects 37 Projects for $106M in Funding in Second Round; Electrofuels, Better Batteries and Carbon Capture

Green Car Congress

This process is less than 1% efficient at converting sunlight to stored chemical energy. Electrofuels approaches will use organisms able to extract energy from other sources, such as solar-derived electricity or hydrogen or earth-abundant metal ions. Li-S Battery : Development of High Energy Li-S Cells for Electric Vehicles.

Carbon 249
article thumbnail

Researchers visualize lithiation of magnetite electrode in real time; hunting for new Li-ion electrode materials

Green Car Congress

A team of scientists from the US Department of Energy’s (DOE) Brookhaven National Laboratory, the University of Pennsylvania, and the University of Maryland, College Park, has developed an electron microscopy technique to visualize—in real time and at high resolution—lithiation pathways in electrode materials.

Li-ion 150
article thumbnail

ARPA-E awards $37M for IONICS projects; improving solid-state batteries and fuel cells

Green Car Congress

The US Department of Energy (DOE) Advanced Research Projects Agency-Energy (ARPA-E) announced $37 million in funding for 16 innovative new projects as part of a new ARPA-E program: Integration and Optimization of Novel Ion-Conducting Solids ( IONICS ). Li-ion conductors that enable the cycling of Li metal without shorting.

Li-ion 150
article thumbnail

ARPA-E awards $43M to 19 energy storage projects to advance electric vehicle and grid technologies

Green Car Congress

This latest round of ARPA-E projects seek to address the remaining challenges in energy storage technologies, which could revolutionize the way Americans store and use energy in electric vehicles, the grid and beyond, while also potentially improving the access to energy for the US. Temperature Regulation for Lithium-Ion Cells.