Researchers at the Argonne National Laboratory in the United States discovered a degenerative effect in the creation of cathode materials for sodium-ion batteries that may have significant impacts on the performance of sodium-ion batteries.
Researchers from The University of Queensland have developed a new nanotechnology that they say more than doubles the lifespan of high-voltage lithium-ion batteries, paving the way for higher density and lower-cost energy storage solutions.
Developed by researchers in Spain, the battery uses renewable electricity to melt low-cost metals such as silicon or ferrosilicon alloys to produce and store latent heat, which is in turn used by a thermophovoltaic generator to produce power. According to its creators, the device may store electricity at a cost of €10 per kilowatt-hour (AU$14.6/kWh) for a 10MWh system.
For short-term storage in a 100% renewables grid, thermal energy storage located at concentrating solar power plants could compete with batteries, found a study using an idealised grid model. Seasonal storage needs could best be met with power-to-gas-to-power technology.
The US Department of Energy’s durable materials consortium is a multi-laboratory unit that stress-tests solar modules for durability. It seeks to extend the useful life of PV.
Scientists from the Massachusetts Institute of Technology have developed a system that can be operated at a voltage of around 12V, with a 95% recovery rate for lost power after cleaning. The waterless system can be operated automatically via an electric motor.
The Korean manufacturer and the German research centre were able to improve the performance of their jointly developed tandem solar cell by almost one percentage point.
Researchers from Australia’s Monash University have created a new generation of lithium-sulfur batteries that they say provides a cheaper, cleaner and faster-charging energy storage solution that outlasts lithium-ion alternatives and is rechargeable hundreds of times without failing.
The realisation of biodegradable batteries is a step closer thanks to research from South Australia’s Flinders University, which has developed a 2.8V organic polymer battery. While this battery was made from synthetic polymers, research lead Dr Zhongfan Jia told pv magazine Australia the team’s future iterations will source “materials directly from nature” saying this promises to reduce waste and reliance on mined materials and could have novel applications in fields like biotech.
Underwriters Laboratories, a US non-profit standards development organisation, will carry out research into the operating and safety profile of Queensland company Redflow’s redox flow batteries under nominal and off-nominal conditions.
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